Make the question shorter and adjust the start of the answer accordingly.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The semantics of "Under review" have shifted. Reword the question
about it a bit and focus it on the response time.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Cut down the length of the question so it renders better in docs.
Mention that Message-ID can be used to search patchwork.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Document that RFCs are allowed during the merge window.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Use the sphinx Warning box to make the net-next being closed
stand out more.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We want people to mark their patches with net and net-next in the subject.
Many miss doing that. Move the FAQ section which points that out up, and
place it after the section which enumerates the trees, that seems like
a pretty logical place for it. Since the two sections are together we
can remove a little bit (not too much) of the repetition.
v2: also remove the text for non-git setups, we want people to use git.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
that -> those
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Most people use (or should use) lore at this point.
Replace the pointers to older archiving systems.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
SM8150 has an ethernet controller and it needs a different
configuration, so add a new compatible for this.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
[bhsharma: Massage the commit log]
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Link: https://lore.kernel.org/r/20220325200731.1585554-1-bhupesh.sharma@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Here are the big set of tty and serial driver changes for 5.18-rc1.
Nothing major, some more good cleanups from Jiri and 2 new serial
drivers. Highlights include:
- termbits cleanups
- export symbol cleanups and other core cleanups from Jiri Slaby
- new sunplus and mvebu uart drivers (amazing that people are
still creating new uarts...)
- samsung serial driver cleanups
- ldisc 29 is now "reserved" for experimental/development line
disciplines
- lots of other tiny fixes and cleanups to serial drivers and
bindings
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here are the big set of tty and serial driver changes for 5.18-rc1.
Nothing major, some more good cleanups from Jiri and 2 new serial
drivers. Highlights include:
- termbits cleanups
- export symbol cleanups and other core cleanups from Jiri Slaby
- new sunplus and mvebu uart drivers (amazing that people are still
creating new uarts...)
- samsung serial driver cleanups
- ldisc 29 is now "reserved" for experimental/development line
disciplines
- lots of other tiny fixes and cleanups to serial drivers and
bindings
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (104 commits)
vt_ioctl: fix potential spectre v1 in VT_DISALLOCATE
serial: 8250: fix XOFF/XON sending when DMA is used
tty: serial: samsung: Add ARTPEC-8 support
dt-bindings: serial: samsung: Add ARTPEC-8 UART
serial: sc16is7xx: Clear RS485 bits in the shutdown
tty: serial: samsung: simplify getting OF match data
tty: serial: samsung: constify variables and pointers
tty: serial: samsung: constify s3c24xx_serial_drv_data members
tty: serial: samsung: constify UART name
tty: serial: samsung: constify s3c24xx_serial_drv_data
tty: serial: samsung: reduce number of casts
tty: serial: samsung: embed s3c2410_uartcfg in parent structure
tty: serial: samsung: embed s3c24xx_uart_info in parent structure
serial: 8250_tegra: mark acpi_device_id as unused with !ACPI
tty: serial: bcm63xx: use more precise Kconfig symbol
serial: SERIAL_SUNPLUS should depend on ARCH_SUNPLUS
tty: serial: jsm: fix two assignments in if conditions
tty: serial: jsm: remove redundant assignments to variable linestatus
serial: 8250_mtk: make two read-only arrays static const
serial: samsung_tty: do not unlock port->lock for uart_write_wakeup()
...
Here is the big set of staging driver updates for 5.18-rc1.
Loads of tiny cleanups for almost all staging drivers in here, nothing
major at all. Highlights include:
- remove the ashmem Android driver. It is long-dead and if
there are any legacy userspace applications still using it,
the Android kernel images will maintain it, the community
shouldn't care about it anymore
- wfx wifi driver major cleanups. Should be ready to merge out
of staging soon, and will coordinate with the wifi maintainers
after -rc1 is out
- major cleanups and unwinding of the layers of the r8188eu
driver. It's amazing just how many unneeded layers of
abstraction is in there, just when we think it's done, another
is found...
- lots of tiny coding style cleanups in many other staging
drivers.
There will be merge conflict with a fbtft change and the spi driver
changes in your tree, but it's pretty obvious what to do (the function
shouldn't return anything.)
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the big set of staging driver updates for 5.18-rc1.
Loads of tiny cleanups for almost all staging drivers in here, nothing
major at all. Highlights include:
- remove the ashmem Android driver. It is long-dead and if there are
any legacy userspace applications still using it, the Android
kernel images will maintain it, the community shouldn't care about
it anymore
- wfx wifi driver major cleanups. Should be ready to merge out of
staging soon, and will coordinate with the wifi maintainers after
-rc1 is out
- major cleanups and unwinding of the layers of the r8188eu driver.
It's amazing just how many unneeded layers of abstraction is in
there, just when we think it's done, another is found...
- lots of tiny coding style cleanups in many other staging drivers.
All have been in linux-next for a while with no reported problems"
* tag 'staging-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (455 commits)
staging: r8188eu: remove unnecessary memset in r8188eu
staging: greybus: introduce pwm_ops::apply
staging: rts5208: Resolve checkpatch.pl issues.
staging: sm750fb: fix naming style
staging: fbtft: Consider type of init sequence values in fbtft_init_display()
staging: fbtft: Constify buf parameter in fbtft_dbg_hex()
staging: mmal-vchiq: clear redundant item named bulk_scratch
mips: dts: ralink: add MT7621 SoC
staging: r8188eu: remove some unused local ieee80211 macros
staging: r8188eu: make rtl8188e_process_phy_info static
staging: r8188eu: remove unused function prototype
staging: r8188eu: remove three unused receive defines
staging: r8188eu: remove unnecessary initializations
staging: rtl8192e: Fix spelling mistake "RESQUEST" -> "REQUEST"
MAINTAINERS: remove the obsolete file entry for staging in ANDROID DRIVERS
staging: r8188eu: proper error handling in rtw_init_drv_sw
staging: r8188eu: call _cancel_timer_ex from _rtw_free_recv_priv
staging: vt6656: Removed unused variable vt3342_vnt_threshold
staging: vt6656: Removed unused variable bb_vga_0
staging: remove ashmem
...
Here is the set of driver core changes for 5.18-rc1.
Not much here, primarily it was a bunch of cleanups and small updates:
- kobj_type cleanups for default_groups
- documentation updates
- firmware loader minor changes
- component common helper added and take advantage of it in many
drivers (the largest part of this pull request).
There will be a merge conflict in drivers/power/supply/ab8500_chargalg.c
with your tree, the merge conflict should be easy (take all the
changes).
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core changes for 5.18-rc1.
Not much here, primarily it was a bunch of cleanups and small updates:
- kobj_type cleanups for default_groups
- documentation updates
- firmware loader minor changes
- component common helper added and take advantage of it in many
drivers (the largest part of this pull request).
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (54 commits)
Documentation: update stable review cycle documentation
drivers/base/dd.c : Remove the initial value of the global variable
Documentation: update stable tree link
Documentation: add link to stable release candidate tree
devres: fix typos in comments
Documentation: add note block surrounding security patch note
samples/kobject: Use sysfs_emit instead of sprintf
base: soc: Make soc_device_match() simpler and easier to read
driver core: dd: fix return value of __setup handler
driver core: Refactor sysfs and drv/bus remove hooks
driver core: Refactor multiple copies of device cleanup
scripts: get_abi.pl: Fix typo in help message
kernfs: fix typos in comments
kernfs: remove unneeded #if 0 guard
ALSA: hda/realtek: Make use of the helper component_compare_dev_name
video: omapfb: dss: Make use of the helper component_compare_dev
power: supply: ab8500: Make use of the helper component_compare_dev
ASoC: codecs: wcd938x: Make use of the helper component_compare/release_of
iommu/mediatek: Make use of the helper component_compare/release_of
drm: of: Make use of the helper component_release_of
...
Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
There will be two merge conflicts with your tree, one in MAINTAINERS
which is obvious to fix up, and one in drivers/phy/freescale/Kconfig
which also should be easy to resolve.
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
updates for 5.18-rc1.
Included in here are merges from driver subsystems which contain:
- iio driver updates and new drivers
- fsi driver updates
- fpga driver updates
- habanalabs driver updates and support for new hardware
- soundwire driver updates and new drivers
- phy driver updates and new drivers
- coresight driver updates
- icc driver updates
Individual changes include:
- mei driver updates
- interconnect driver updates
- new PECI driver subsystem added
- vmci driver updates
- lots of tiny misc/char driver updates
All of these have been in linux-next for a while with no reported
problems"
* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
firmware: google: Properly state IOMEM dependency
kgdbts: fix return value of __setup handler
firmware: sysfb: fix platform-device leak in error path
firmware: stratix10-svc: add missing callback parameter on RSU
arm64: dts: qcom: add non-secure domain property to fastrpc nodes
misc: fastrpc: Add dma handle implementation
misc: fastrpc: Add fdlist implementation
misc: fastrpc: Add helper function to get list and page
misc: fastrpc: Add support to secure memory map
dt-bindings: misc: add fastrpc domain vmid property
misc: fastrpc: check before loading process to the DSP
misc: fastrpc: add secure domain support
dt-bindings: misc: add property to support non-secure DSP
misc: fastrpc: Add support to get DSP capabilities
misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
misc: fastrpc: separate fastrpc device from channel context
dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
dt-bindings: nvmem: make "reg" property optional
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
nvmem: dt-bindings: Fix the error of dt-bindings check
...
No core changes this time. Just new driver code and improvements!
New drivers:
- New driver for the Broadcom BCM4908 SoC.
- New subdriver for Tesla FSD (Full Self Driving) SoC, a
derivative of the Samsung Exynos pin control driver.
- New driver for the Amlogic Meson S4 SoC.
- New driver for the Sunplus SP7021 SoC.
- New driver for the Microsemi Ocelot family ServalT SoC.
- New subdriver for Intel Alder Lake-M SoC.
- New subdriver for Intel Ice Lake-N SoC, including PCH support.
- New subdriver for Renesas R8A779F0 SoC.
- New subdriver for Mediatek MT8186 SoC.
- New subdriver for NXP Freescale i.MX93 SoC.
- New driver for Nuvoton WPCM450 SoC.
- New driver for Qualcomm SC8280XP SoC.
Improvements:
- Wakeup support on Samsung Exynos850 and ExynosAutov9.
- Serious and voluminous maintenance cleanup and refactoring in
the Renesas drivers. Mainly sharing similar data between the
different SoC subdrivers.
- Qualcomm SM8450 EGPIO support.
- Drive strength support on the Mediatek MT8195.
- Add some missing groups and functions to the Ralink RT2880.
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Merge tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"No core changes this time. Just new driver code and improvements!
New drivers:
- New driver for the Broadcom BCM4908 SoC.
- New subdriver for Tesla FSD (Full Self Driving) SoC, a derivative
of the Samsung Exynos pin control driver.
- New driver for the Amlogic Meson S4 SoC.
- New driver for the Sunplus SP7021 SoC.
- New driver for the Microsemi Ocelot family ServalT SoC.
- New subdriver for Intel Alder Lake-M SoC.
- New subdriver for Intel Ice Lake-N SoC, including PCH support.
- New subdriver for Renesas R8A779F0 SoC.
- New subdriver for Mediatek MT8186 SoC.
- New subdriver for NXP Freescale i.MX93 SoC.
- New driver for Nuvoton WPCM450 SoC.
- New driver for Qualcomm SC8280XP SoC.
Improvements:
- Wakeup support on Samsung Exynos850 and ExynosAutov9.
- Serious and voluminous maintenance cleanup and refactoring in the
Renesas drivers. Mainly sharing similar data between the different
SoC subdrivers.
- Qualcomm SM8450 EGPIO support.
- Drive strength support on the Mediatek MT8195.
- Add some missing groups and functions to the Ralink RT2880"
* tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (188 commits)
pinctrl: mediatek: common-v1: fix semicolon.cocci warnings
pinctrl: nuvoton: wpcm450: Fix build error without OF
pinctrl: qcom-pmic-gpio: Add support for pm8450
dt-bindings: pinctrl: aspeed: Update gfx node in example
dt-bindings: pinctrl: rt2880: add missing pin groups and functions
pinctrl: ingenic: Fix regmap on X series SoCs
pinctrl: nuvoton: Fix return value check in wpcm450_gpio_register()
pinctrl: nuvoton: wpcm450: off by one in wpcm450_gpio_register()
pinctrl: nuvoton: wpcm450: select GENERIC_PINCTRL_GROUPS
pinctrl: nuvoton: Fix sparse warning
pinctrl: mediatek: mt8186: Account for probe refactoring
pinctrl: mediatek: common-v1: Commonize spec_ies_smt_set callback
pinctrl: mediatek: common-v1: Commonize spec_pupd callback
pinctrl: mediatek: common-v1: Use common probe function
pinctrl: mediatek: common-v1: Add common probe function
pinctrl: mediatek: paris: Unify probe function by using OF match data
pinctrl/rockchip: Add missing of_node_put() in rockchip_pinctrl_probe
pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe
pinctrl: berlin: fix error return code of berlin_pinctrl_build_state()
pinctrl: qcom: Introduce sc8280xp TLMM driver
...
Halil Pasic points out [1] that the full revert of that commit (revert
in bddac7c1e02b), and that a partial revert that only reverts the
problematic case, but still keeps some of the cleanups is probably
better. 
And that partial revert [2] had already been verified by Oleksandr
Natalenko to also fix the issue, I had just missed that in the long
discussion.
So let's reinstate the cleanups from commit aa6f8dcbab47 ("swiotlb:
rework "fix info leak with DMA_FROM_DEVICE""), and effectively only
revert the part that caused problems.
Link: https://lore.kernel.org/all/20220328013731.017ae3e3.pasic@linux.ibm.com/ [1]
Link: https://lore.kernel.org/all/20220324055732.GB12078@lst.de/ [2]
Link: https://lore.kernel.org/all/4386660.LvFx2qVVIh@natalenko.name/ [3]
Suggested-by: Halil Pasic <pasic@linux.ibm.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: Christoph Hellwig" <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
that need review and did not make it.
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Merge tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"Nothing major here, there are two drivers that need review and did not
make it into this round"
* tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: pca955x: Allow zero LEDs to be specified
leds: pca955x: Make the gpiochip always expose all pins
leds: simatic-ipc-leds: Don't directly deref ioremap_resource() returned ptr
leds: simatic-ipc-leds: Make simatic_ipc_led_mem_res static
leds: lm3692x: Return 0 from remove callback
leds: sgm3140: Add ocs,ocp8110 compatible
dt-bindings: vendor-prefixes: Add ocs prefix
dt-bindings: leds: common: fix unit address in max77693 example
Here is the big set of USB and Thunderbolt changes for 5.18-rc1.
Nothing major in here, just lots of little improvements and cleanups and
new device support. Highlights are:
- list iterator fixups for when we walk past the end of the list
(a common problem that was cut/pasted in almost all USB gadget
drivers)
- xen USB driver "hardening" for malicious hosts
- xhci driver updates and fixes for more hardware types
- xhci debug cable fixes to make it actually work again
- usb gadget audio driver improvements
- usb gadget storage fixes to work with OS-X
- lots of other small usb gadget fixes and updates
- USB DWC3 driver improvements for more hardware types
- Lots of other small USB driver improvements
- DTS updates for some USB platforms
Note, the DTS updates will have a merge conflict in your tree. The
fixup should be simple, but if not, I can provide a merged tree if
needed.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt changes for 5.18-rc1.
Nothing major in here, just lots of little improvements and cleanups
and new device support. Highlights are:
- list iterator fixups for when we walk past the end of the list (a
common problem that was cut/pasted in almost all USB gadget
drivers)
- xen USB driver "hardening" for malicious hosts
- xhci driver updates and fixes for more hardware types
- xhci debug cable fixes to make it actually work again
- usb gadget audio driver improvements
- usb gadget storage fixes to work with OS-X
- lots of other small usb gadget fixes and updates
- USB DWC3 driver improvements for more hardware types
- Lots of other small USB driver improvements
- DTS updates for some USB platforms
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (172 commits)
usb: gadget: fsl_qe_udc: Add missing semicolon in qe_ep_dequeue()
dt-bindings: usb: mtk-xhci: add compatible for mt8186
usb: dwc3: Issue core soft reset before enabling run/stop
usb: gadget: Makefile: remove ccflags-y
USB: usb-storage: Fix use of bitfields for hardware data in ene_ub6250.c
usb: gadget: eliminate anonymous module_init & module_exit
usb: usbip: eliminate anonymous module_init & module_exit
xen/usb: harden xen_hcd against malicious backends
usb: dwc3: gadget: Wait for ep0 xfers to complete during dequeue
usb: dwc3: gadget: move cmd_endtransfer to extra function
usb: dwc3: gadget: ep_queue simplify isoc start condition
xen/usb: don't use arbitrary_virt_to_machine()
usb: isp1760: remove redundant max_packet() macro
usb: oxu210hp-hcd: remove redundant call to max_packet() macro
usb: common: usb-conn-gpio: Make VBUS supply completely optional
USB: storage: ums-realtek: fix error code in rts51x_read_mem()
usb: early: xhci-dbc: Fix xdbc number parsing
usb: early: xhci-dbc: Remove duplicate keep parsing
x86/tsc: Be consistent about use_tsc_delay()
usb: gadget: udc: s3c2410: remove usage of list iterator past the loop body
...
Pull i2c updates from Wolfram Sang:
- tracepoints when Linux acts as an I2C client
- added support for AMD PSP
- whole subsystem now uses generic_handle_irq_safe()
- piix4 driver gained MMIO access enabling so far missed controllers
with AMD chipsets
- a bulk of device driver updates, refactorization, and fixes.
* 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (61 commits)
i2c: mux: demux-pinctrl: do not deactivate a master that is not active
i2c: meson: Fix wrong speed use from probe
i2c: add tracepoints for I2C slave events
i2c: designware: Remove code duplication
i2c: cros-ec-tunnel: Fix syntax errors in comments
MAINTAINERS: adjust XLP9XX I2C DRIVER after removing the devicetree binding
i2c: designware: Mark dw_i2c_plat_{suspend,resume}() as __maybe_unused
i2c: mediatek: Add i2c compatible for Mediatek MT8168
dt-bindings: i2c: update bindings for MT8168 SoC
i2c: mt65xx: Simplify with clk-bulk
i2c: i801: Drop two outdated comments
i2c: xiic: Make bus names unique
i2c: i801: Add support for the Process Call command
i2c: i801: Drop useless masking in i801_access
i2c: tegra: Add SMBus block read function
i2c: designware: Use the i2c_mark_adapter_suspended/resumed() helpers
i2c: designware: Lock the adapter while setting the suspended flag
i2c: mediatek: remove redundant null check
i2c: mediatek: modify bus speed calculation formula
i2c: designware: Fix improper usage of readl
...
- Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
much needed help.
- DT schema validation now takes DTB files as input rather than
intermediate YAML files. This decouples the validation from the source
level syntax information. There's a bunch of schema fixes as a result
of switching to DTB based validation which exposed some errors
and incomplete schemas and examples.
- Kbuild improvements to explicitly warn users running 'make
dt_binding_check' on missing yamllint
- Expand DT_SCHEMA_FILES kbuild variable to take just a partial filename
or path instead of the full path to 1 file.
- Convert various bindings to schema format: mscc,vsc7514-switch,
multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
msm/mdp4, rda,8810pl-uart
- New schemas for u-boot environment variable partition, TI clksel
- New compatible strings for Renesas RZ/V2L SoC
- Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated HiSilicon
- Add/fix schemas for QEMU Arm 'virt' machine
- Drop unused of_alias_get_alias_list() function
- Add a script to check DT unittest EXPECT message output. Pass messages
also now print by default at PR_INFO level to help test automation.
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Merge tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Add Krzysztof Kozlowski as co-maintainer for DT bindings providing
much needed help.
- DT schema validation now takes DTB files as input rather than
intermediate YAML files. This decouples the validation from the
source level syntax information. There's a bunch of schema fixes as a
result of switching to DTB based validation which exposed some errors
and incomplete schemas and examples.
- Kbuild improvements to explicitly warn users running 'make
dt_binding_check' on missing yamllint
- Expand DT_SCHEMA_FILES kbuild variable to take just a partial
filename or path instead of the full path to 1 file.
- Convert various bindings to schema format: mscc,vsc7514-switch,
multiple GNSS bindings, ahci-platform, i2c-at91, multiple UFS
bindings, cortina,gemini-sata-bridge, cortina,gemini-ethernet, Atmel
SHA, Atmel TDES, Atmel AES, armv7m-systick, Samsung Exynos display
subsystem, nuvoton,npcm7xx-timer, samsung,s3c2410-i2c, zynqmp_dma,
msm/mdp4, rda,8810pl-uart
- New schemas for u-boot environment variable partition, TI clksel
- New compatible strings for Renesas RZ/V2L SoC
- Vendor prefixes for Xen, HPE, deprecated Synopsys, deprecated
HiSilicon
- Add/fix schemas for QEMU Arm 'virt' machine
- Drop unused of_alias_get_alias_list() function
- Add a script to check DT unittest EXPECT message output. Pass
messages also now print by default at PR_INFO level to help test
automation.
* tag 'devicetree-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (96 commits)
dt-bindings: kbuild: Make DT_SCHEMA_LINT a recursive variable
dt-bindings: nvmem: add U-Boot environment variables binding
dt-bindings: ufs: qcom: Add SM6350 compatible string
dt-bindings: dmaengine: sifive,fu540-c000: include generic schema
dt-bindings: gpio: pca95xx: drop useless consumer example
Revert "of: base: Introduce of_alias_get_alias_list() to check alias IDs"
dt-bindings: virtio,mmio: Allow setting devices 'dma-coherent'
dt-bindings: gnss: Add two more chips
dt-bindings: gnss: Rewrite sirfstar binding in YAML
dt-bindings: gnss: Modify u-blox to use common bindings
dt-bindings: gnss: Rewrite common bindings in YAML
dt-bindings: ata: ahci-platform: Add rk3568-dwc-ahci compatible
dt-bindings: ata: ahci-platform: Add power-domains property
dt-bindings: ata: ahci-platform: Convert DT bindings to yaml
dt-bindings: kbuild: Use DTB files for validation
dt-bindings: kbuild: Pass DT_SCHEMA_FILES to dt-validate
dt-bindings: Add QEMU virt machine compatible
dt-bindings: arm: Convert QEMU fw-cfg to DT schema
dt-bindings: i2c: at91: Add SAMA7G5 compatible strings list
dt-bindings: i2c: convert i2c-at91 to json-schema
...
This reverts commit aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13.
It turns out this breaks at least the ath9k wireless driver, and
possibly others.
What the ath9k driver does on packet receive is to set up the DMA
transfer with:
int ath_rx_init(..)
..
bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
common->rx_bufsize,
DMA_FROM_DEVICE);
and then the receive logic (through ath_rx_tasklet()) will fetch
incoming packets
static bool ath_edma_get_buffers(..)
..
dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
common->rx_bufsize, DMA_FROM_DEVICE);
ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
if (ret == -EINPROGRESS) {
/*let device gain the buffer again*/
dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
common->rx_bufsize, DMA_FROM_DEVICE);
return false;
}
and it's worth noting how that first DMA sync:
dma_sync_single_for_cpu(..DMA_FROM_DEVICE);
is there to make sure the CPU can read the DMA buffer (possibly by
copying it from the bounce buffer area, or by doing some cache flush).
The iommu correctly turns that into a "copy from bounce bufer" so that
the driver can look at the state of the packets.
In the meantime, the device may continue to write to the DMA buffer, but
we at least have a snapshot of the state due to that first DMA sync.
But that _second_ DMA sync:
dma_sync_single_for_device(..DMA_FROM_DEVICE);
is telling the DMA mapping that the CPU wasn't interested in the area
because the packet wasn't there. In the case of a DMA bounce buffer,
that is a no-op.
Note how it's not a sync for the CPU (the "for_device()" part), and it's
not a sync for data written by the CPU (the "DMA_FROM_DEVICE" part).
Or rather, it _should_ be a no-op. That's what commit aa6f8dcbab47
broke: it made the code bounce the buffer unconditionally, and changed
the DMA_FROM_DEVICE to just unconditionally and illogically be
DMA_TO_DEVICE.
[ Side note: purely within the confines of the swiotlb driver it wasn't
entirely illogical: The reason it did that odd DMA_FROM_DEVICE ->
DMA_TO_DEVICE conversion thing is because inside the swiotlb driver,
it uses just a swiotlb_bounce() helper that doesn't care about the
whole distinction of who the sync is for - only which direction to
bounce.
So it took the "sync for device" to mean that the CPU must have been
the one writing, and thought it meant DMA_TO_DEVICE. ]
Also note how the commentary in that commit was wrong, probably due to
that whole confusion, claiming that the commit makes the swiotlb code
"bounce unconditionally (that is, also
when dir == DMA_TO_DEVICE) in order do avoid synchronising back stale
data from the swiotlb buffer"
which is nonsensical for two reasons:
- that "also when dir == DMA_TO_DEVICE" is nonsensical, as that was
exactly when it always did - and should do - the bounce.
- since this is a sync for the device (not for the CPU), we're clearly
fundamentally not coping back stale data from the bounce buffers at
all, because we'd be copying *to* the bounce buffers.
So that commit was just very confused. It confused the direction of the
synchronization (to the device, not the cpu) with the direction of the
DMA (from the device).
Reported-and-bisected-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Reported-by: Olha Cherevyk <olha.cherevyk@gmail.com>
Cc: Halil Pasic <pasic@linux.ibm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kalle Valo <kvalo@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Toke Høiland-Jørgensen <toke@toke.dk>
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Little fixes for various things people have noticed.
One enhancement, the IPMI over IPMB (I2c) is modified to allow it to
take a separate sender and receiver device. The Raspberry Pi has an
I2C slave device that cannot send.
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Merge tag 'for-linus-5.17-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
- Little fixes for various things people have noticed.
- One enhancement, the IPMI over IPMB (I2c) is modified to allow it to
take a separate sender and receiver device. The Raspberry Pi has an
I2C slave device that cannot send.
* tag 'for-linus-5.17-1' of https://github.com/cminyard/linux-ipmi:
ipmi: initialize len variable
ipmi: kcs: aspeed: Remove old bindings support
ipmi:ipmb: Add the ability to have a separate slave and master device
ipmi:ipmi_ipmb: Unregister the SMI on remove
ipmi: kcs: aspeed: Add AST2600 compatible string
ipmi: ssif: replace strlcpy with strscpy
ipmi/watchdog: Constify ident
ipmi: Add the git repository to the MAINTAINERS file
- Add support for Maxim MAX77714 PMIC
- Remove Drivers
- Remove support for ST-Ericsson AB8500 DebugFS
- New Device Support
- Add support for Silergy SY7636A to Simple MFD I2C
- Add support for MediaTek MT6366 PMIC to MT6358 IRQ
- Add support for Charger to Intel PMIC CRC
- Add support for Raptor Lake to Intel LPSS PCI
- New Functionality
- Add support for Reboot to Rockchip RK808
- Fix-ups
- Device Tree changes (inc. YAML conversion); silergy,sy7636a, maxim,max77843,
google,cros-ec, maxim,max14577, maxim,max77802,
maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
stericsson,ab8500, stericsson,db8500-prcmu,
samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
- Visible to menuconfig; simple-mfd-i2c
- Clean-up or clarify code; max77686, intel_soc_pmic_crc
- Improve error handling; mc13xxx-core, stmfx, asic3
- Pass device information to child devices; iqs62x, intel-lpss-acpi
- Individually identify IRQ domains; intel_soc_pmic_core
- Remove superfluous code; dbx500-prcmu, exynos-lpass
- Staticify and constify; arizona-i2c
- Mark sometimes used data as __maybe_unused; atmel-flexcom
- Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
- Use provided (platform) APIs; ab8500-core
- Trivial (whitespace, spelling); rohm-bd9576
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Merge tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add support for Maxim MAX77714 PMIC
Removed Drivers:
- Remove support for ST-Ericsson AB8500 DebugFS
New Device Support:
- Add support for Silergy SY7636A to Simple MFD I2C
- Add support for MediaTek MT6366 PMIC to MT6358 IRQ
- Add support for Charger to Intel PMIC CRC
- Add support for Raptor Lake to Intel LPSS PCI
New Functionality:
- Add support for Reboot to Rockchip RK808
Fix-ups:
- Device Tree changes (includcing YAML conversion) for
silergy,sy7636a, maxim,max77843, google,cros-ec, maxim,max14577,
maxim,max77802, maxim,max77714, qcom,tcsr, qcom,spmi-pmic,
stericsson,ab8500, stericsson,db8500-prcmu,
samsung,exynos5433-lpass, mt6397, syscon, brcm,cru
- Visible to menuconfig; simple-mfd-i2c
- Clean-up or clarify code; max77686, intel_soc_pmic_crc
- Improve error handling; mc13xxx-core, stmfx, asic3
- Pass device information to child devices; iqs62x, intel-lpss-acpi
- Individually identify IRQ domains; intel_soc_pmic_core
- Remove superfluous code; dbx500-prcmu, exynos-lpass
- Staticify and constify; arizona-i2c
- Mark sometimes used data as __maybe_unused; atmel-flexcom
- Account for different ACPI tables on AOSP/Windows platforms; arizona-spi
- Use provided (platform) APIs; ab8500-core
- Trivial (whitespace, spelling); rohm-bd9576"
* tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (50 commits)
dt-bindings: mfd: syscon: Add microchip,lan966x-cpu-syscon compatible
mfd: bd9576: fix typos in comments
mfd: Use platform_get_irq() to get the interrupt
mfd: db8500-prcmu: Remove unused inline function
mfd: arizona-spi: Add Android board ACPI table handling
mfd: arizona-spi: Split Windows ACPI init code into its own function
mfd: asic3: Add missing iounmap() on error asic3_mfd_probe
MAINTAINERS: Rectify entry for ROHM MULTIFUNCTION BD9571MWV-M PMIC DEVICE DRIVERS
mfd: intel-lpss: Provide an SSP type to the driver
dt-bindings: mfd: brcm,cru: Rename pinctrl node
dt-bindings: Add compatibles for undocumented trivial syscons
mfd: atmel-flexcom: Fix compilation warning
dt-bindings: mfd: Add compatible for the MediaTek MT6366 PMIC
dt-bindings: mfd: samsung,exynos5433-lpass: Convert to dtschema
mfd: exynos-lpass: Drop unneeded syscon.h include
mfd: intel-lpss: Add Intel Raptor Lake PCH-S PCI IDs
mfd: ab8500: Drop debugfs module
mfd: sta2x11: Use GFP_KERNEL instead of GFP_ATOMIC
mfd: ab8500: Rewrite bindings in YAML
mfd: qcom-spmi-pmic: Add pm8953 compatible
...
* Replace the expert mode symbols with a single helper
* Fix misuses of of_match_ptr()
* Remove partid and partname debugfs files
* tests: Fix eraseblock read speed miscalculation for lower partition sizes
* TRX parser: Allow to use on MediaTek MIPS SoCs
MTD driver changes:
* spear_smi: use GFP_KERNEL
* mchp48l640: Add SPI ID table
* mchp23k256: Add SPI ID table
* blkdevs: Avoid soft lockups with some mtd/spi devices
* aspeed-smc: Improve probe resilience
Hyperbus changes:
* HBMC_AM654 should depend on ARCH_K3
NAND core changes:
* ECC:
- Add infrastructure to support hardware engines
- Add a new helper to retrieve the ECC context
- Provide a helper to retrieve a pilelined engine device
NAND-ECC changes:
* Macronix ECC engine:
- Add Macronix external ECC engine support
- Support SPI pipelined mode
- Make two read-only arrays static const
- Fix compile test issue
Raw NAND core changes:
* Fix misuses of of_match_node()
* Rework of_get_nand_bus_width()
* Remove of_get_nand_on_flash_bbt() wrapper
* Protect access to rawnand devices while in suspend
* bindings: Document the wp-gpios property
Rax NAND controller driver changes:
* atmel: Fix refcount issue in atmel_nand_controller_init
* nandsim:
- Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
- Merge repeat codes in ns_switch_state
- Replace overflow check with kzalloc to single kcalloc
* rockchip: Fix platform_get_irq.cocci warning
* stm32_fmc2: Add NAND Write Protect support
* pl353: Set the nand chip node as the flash node
* brcmnand: Fix sparse warnings in bcma_nand
* omap_elm: Remove redundant variable 'errors'
* gpmi:
- Support fast edo timings for mx28
- Validate controller clock rate
- Fix controller timings setting
* brcmnand:
- Add BCMA shim
- BCMA controller uses command shift of 0
- Allow platform data instantation
- Add platform data structure for BCMA
- Allow working without interrupts
- Move OF operations out of brcmnand_init_cs()
- Avoid pdev in brcmnand_init_cs()
- Allow SoC to provide I/O operations
- Assign soc as early as possible
Onenand changes:
* Check for error irq
SPI-NAND core changes:
* Delay a little bit the dirmap creation
* Create direct mapping descriptors for ECC operations
SPI-NAND driver changes:
* macronix: Use random program load
SPI NOR core changes:
* Move vendor specific code out of the core into vendor drivers.
* Unify all function and object names in the vendor modules.
* Make setup() callback optional to improve readability.
* Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
declaration.
SPI changes:
* Macronix SPI controller:
- Fix the transmit path
- Create a helper to configure the controller before an operation
- Create a helper to ease the start of an operation
- Add support for direct mapping
- Add support for pipelined ECC operations
* spi-mem:
- Introduce a capability structure
- Check the controller extra capabilities
- cadence-quadspi/mxic: Provide capability structures
- Kill the spi_mem_dtr_supports_op() helper
- Add an ecc parameter to the spi_mem_op structure
Binding changes:
* Dropped mtd/cortina,gemini-flash.txt
* Convert BCM47xx partitions to json-schema
* Vendor prefixes: Clarify Macronix prefix
* SPI NAND: Convert spi-nand description file to yaml
* Raw NAND chip: Create a NAND chip description
* Raw NAND controller:
- Harmonize the property types
- Fix a comment in the examples
- Fix the reg property description
* Describe Macronix NAND ECC engine
* Macronix SPI controller:
- Document the nand-ecc-engine property
- Convert to yaml
- The interrupt property is not mandatory
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Merge tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"There has been a lot of activity in the MTD subsystem recently, with a
number of SPI-NOR cleanups as well as the introduction of ECC engines
that can be used by SPI controllers (hence a few SPI patches in here).
Core MTD changes:
- Replace the expert mode symbols with a single helper
- Fix misuses of of_match_ptr()
- Remove partid and partname debugfs files
- tests: Fix eraseblock read speed miscalculation for lower partition
sizes
- TRX parser: Allow to use on MediaTek MIPS SoCs
MTD driver changes:
- spear_smi: use GFP_KERNEL
- mchp48l640: Add SPI ID table
- mchp23k256: Add SPI ID table
- blkdevs: Avoid soft lockups with some mtd/spi devices
- aspeed-smc: Improve probe resilience
Hyperbus changes:
- HBMC_AM654 should depend on ARCH_K3
NAND core changes:
- ECC:
- Add infrastructure to support hardware engines
- Add a new helper to retrieve the ECC context
- Provide a helper to retrieve a pilelined engine device
NAND-ECC changes:
- Macronix ECC engine:
- Add Macronix external ECC engine support
- Support SPI pipelined mode
- Make two read-only arrays static const
- Fix compile test issue
Raw NAND core changes:
- Fix misuses of of_match_node()
- Rework of_get_nand_bus_width()
- Remove of_get_nand_on_flash_bbt() wrapper
- Protect access to rawnand devices while in suspend
- bindings: Document the wp-gpios property
Rax NAND controller driver changes:
- atmel: Fix refcount issue in atmel_nand_controller_init
- nandsim:
- Add NS_PAGE_BYTE_SHIFT macro to replace the repeat pattern
- Merge repeat codes in ns_switch_state
- Replace overflow check with kzalloc to single kcalloc
- rockchip: Fix platform_get_irq.cocci warning
- stm32_fmc2: Add NAND Write Protect support
- pl353: Set the nand chip node as the flash node
- brcmnand: Fix sparse warnings in bcma_nand
- omap_elm: Remove redundant variable 'errors'
- gpmi:
- Support fast edo timings for mx28
- Validate controller clock rate
- Fix controller timings setting
- brcmnand:
- Add BCMA shim
- BCMA controller uses command shift of 0
- Allow platform data instantation
- Add platform data structure for BCMA
- Allow working without interrupts
- Move OF operations out of brcmnand_init_cs()
- Avoid pdev in brcmnand_init_cs()
- Allow SoC to provide I/O operations
- Assign soc as early as possible
Onenand changes:
- Check for error irq
SPI-NAND core changes:
- Delay a little bit the dirmap creation
- Create direct mapping descriptors for ECC operations
SPI-NAND driver changes:
- macronix: Use random program load
SPI NOR core changes:
- Move vendor specific code out of the core into vendor drivers.
- Unify all function and object names in the vendor modules.
- Make setup() callback optional to improve readability.
- Skip erase logic when the SPI_NOR_NO_ERASE flag is set at flash
declaration.
SPI changes:
- Macronix SPI controller:
- Fix the transmit path
- Create a helper to configure the controller before an operation
- Create a helper to ease the start of an operation
- Add support for direct mapping
- Add support for pipelined ECC operations
- spi-mem:
- Introduce a capability structure
- Check the controller extra capabilities
- cadence-quadspi/mxic: Provide capability structures
- Kill the spi_mem_dtr_supports_op() helper
- Add an ecc parameter to the spi_mem_op structure
Binding changes:
- Dropped mtd/cortina,gemini-flash.txt
- Convert BCM47xx partitions to json-schema
- Vendor prefixes: Clarify Macronix prefix
- SPI NAND: Convert spi-nand description file to yaml
- Raw NAND chip: Create a NAND chip description
- Raw NAND controller:
- Harmonize the property types
- Fix a comment in the examples
- Fix the reg property description
- Describe Macronix NAND ECC engine
- Macronix SPI controller:
- Document the nand-ecc-engine property
- Convert to yaml
- The interrupt property is not mandatory"
* tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (104 commits)
mtd: nand: ecc: mxic: Fix compile test issue
mtd: nand: mxic-ecc: make two read-only arrays static const
mtd: hyperbus: HBMC_AM654 should depend on ARCH_K3
mtd: core: Remove partid and partname debugfs files
dt-bindings: mtd: partitions: convert BCM47xx to the json-schema
mtd: tests: Fix eraseblock read speed miscalculation for lower partition sizes
mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
mtd: rawnand: rockchip: fix platform_get_irq.cocci warning
mtd: spi-nor: Skip erase logic when SPI_NOR_NO_ERASE is set
mtd: spi-nor: renumber flags
mtd: spi-nor: slightly change code style in spi_nor_sr_ready()
mtd: spi-nor: spansion: rename vendor specific functions and defines
mtd: spi-nor: spansion: convert USE_CLSR to a manufacturer flag
mtd: spi-nor: move all spansion specifics into spansion.c
mtd: spi-nor: spansion: slightly rework control flow in late_init()
mtd: spi-nor: micron-st: rename vendor specific functions and defines
mtd: spi-nor: micron-st: convert USE_FSR to a manufacturer flag
mtd: spi-nor: move all micron-st specifics into micron-st.c
mtd: spi-nor: xilinx: correct the debug message
mtd: spi-nor: xilinx: rename vendor specific functions and defines
...
power-supply core:
- Introduce "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc. small improvements and fixes
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Merge tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"Power-supply core:
- Introduce "Bypass" charging type used by USB PPS standard
- Refactor power_supply_set_input_current_limit_from_supplier()
- Add fwnode support to power_supply_get_battery_info()
Drivers:
- ab8500: continue migrating towards using standard core APIs
- axp288 fuel-gauge: refactor driver to be fully resource managed
- battery-samsung-sdi: new in-kernel provider for (constant) Samsung
battery info
- bq24190: disable boost regulator on shutdown
- bq24190: add support for battery-info on ACPI based systems
- bq25890: prepare driver for usage on ACPI based systems
- bq25890: add boost regulator support
- cpcap-battery: add NVMEM based battery detection support
- injoinic ip5xxx: new driver for power bank IC
- upi ug3105: new battery driver
- misc small improvements and fixes"
* tag 'for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (94 commits)
power: ab8500_chargalg: Use CLOCK_MONOTONIC
power: supply: Add a driver for Injoinic power bank ICs
dt-bindings: trivial-devices: Add Injoinic power bank ICs
dt-bindings: vendor-prefixes: Add Injoinic
power: supply: ab8500: Remove unused variable
power: supply: da9150-fg: Remove unnecessary print function dev_err()
power: supply: ab8500: fix a handful of spelling mistakes
power: supply: ab8500_fg: Account for line impedance
dt-bindings: power: supply: ab8500_fg: Add line impedance
power: supply: axp20x_usb_power: fix platform_get_irq.cocci warnings
power: supply: axp20x_ac_power: fix platform_get_irq.cocci warning
power: supply: wm8350-power: Add missing free in free_charger_irq
power: supply: wm8350-power: Handle error for wm8350_register_irq
power: supply: Static data for Samsung batteries
power: supply: ab8500_fg: Use VBAT-to-Ri if possible
power: supply: Support VBAT-to-Ri lookup tables
power: supply: ab8500: Standardize BTI resistance
power: supply: ab8500: Standardize alert mode charging
power: supply: ab8500: Standardize maintenance charging
power: supply: bq24190_charger: Delay applying charge_type changes when OTG 5V Vbus boost is on
...
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Merge tag 'pci-v5.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Move the VGA arbiter from drivers/gpu to drivers/pci because it's
PCI-specific, not GPU-specific (Bjorn Helgaas)
- Select the default VGA device consistently whether it's enumerated
before or after VGA arbiter init, which fixes arches that enumerate
PCI devices late (Huacai Chen)
Resource management:
- Support BAR sizes up to 8TB (Dongdong Liu)
PCIe native device hotplug:
- Fix "Command Completed" tracking to avoid spurious timouts when
powering off empty slots (Liguang Zhang)
- Quirk Qualcomm devices that don't implement Command Completed
correctly, again to avoid spurious timeouts (Manivannan Sadhasivam)
Peer-to-peer DMA:
- Add Intel 3rd Gen Intel Xeon Scalable Processors to whitelist
(Michael J. Ruhl)
APM X-Gene PCIe controller driver:
- Revert generic DT parsing changes that broke some machines in the
field (Marc Zyngier)
Freescale i.MX6 PCIe controller driver:
- Allow controller probe to succeed even when no devices currently
present to allow hot-add later (Fabio Estevam)
- Enable power management on i.MX6QP (Richard Zhu)
- Assert CLKREQ# on i.MX8MM so enumeration doesn't hang when no
device is connected (Richard Zhu)
Marvell Aardvark PCIe controller driver:
- Fix MSI and MSI-X support (Marek Behún, Pali Rohár)
- Add support for ERR and PME interrupts (Pali Rohár)
Marvell MVEBU PCIe controller driver:
- Add DT binding and support for "num-lanes" (Pali Rohár)
- Add support for INTx interrupts (Pali Rohár)
Microsoft Hyper-V host bridge driver:
- Avoid unnecessary hypercalls when unmasking IRQs on ARM64 (Boqun
Feng)
Qualcomm PCIe controller driver:
- Add SM8450 DT binding and driver support (Dmitry Baryshkov)
Renesas R-Car PCIe controller driver:
- Help the controller get to the L1 state since the hardware can't do
it on its own (Marek Vasut)
- Return PCI_ERROR_RESPONSE (~0) for reads that fail on PCIe (Marek
Vasut)
SiFive FU740 PCIe controller driver:
- Drop redundant '-gpios' from DT GPIO lookup (Ben Dooks)
- Force 2.5GT/s for initial device probe (Ben Dooks)
Socionext UniPhier Pro5 controller driver:
- Add NX1 DT binding and driver support (Kunihiko Hayashi)
Synopsys DesignWare PCIe controller driver:
- Restore MSI configuration so MSI works after resume (Jisheng
Zhang)"
* tag 'pci-v5.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (94 commits)
x86/PCI: Add #includes to asm/pci_x86.h
PCI: ibmphp: Remove unused assignments
PCI: cpqphp: Remove unused assignments
PCI: fu740: Remove unused assignments
PCI: kirin: Remove unused assignments
PCI: Remove unused assignments
PCI: Declare pci_filp_private only when HAVE_PCI_MMAP
PCI: Avoid broken MSI on SB600 USB devices
PCI: fu740: Force 2.5GT/s for initial device probe
PCI: xgene: Revert "PCI: xgene: Fix IB window setup"
PCI: xgene: Revert "PCI: xgene: Use inbound resources for setup"
PCI: imx6: Assert i.MX8MM CLKREQ# even if no device present
PCI: imx6: Invoke the PHY exit function after PHY power off
PCI: rcar: Use PCI_SET_ERROR_RESPONSE after read which triggered an exception
PCI: rcar: Finish transition to L1 state in rcar_pcie_config_access()
PCI: dwc: Restore MSI Receiver mask during resume
PCI: fu740: Drop redundant '-gpios' from DT GPIO lookup
PCI/VGA: Replace full MIT license text with SPDX identifier
PCI/VGA: Use unsigned format string to print lock counts
PCI/VGA: Log bridge control messages when adding devices
...
- Add an erratum workaround for Intel CPUs which, in certain
circumstances, end up consuming an unrelated uncorrectable memory error
when using fast string copy insns
- Remove the MCE tolerance level control as it is not really needed or
used anymore
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Merge tag 'ras_core_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Borislav Petkov:
- More noinstr fixes
- Add an erratum workaround for Intel CPUs which, in certain
circumstances, end up consuming an unrelated uncorrectable memory
error when using fast string copy insns
- Remove the MCE tolerance level control as it is not really needed or
used anymore
* tag 'ras_core_for_v5.18_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Remove the tolerance level control
x86/mce: Work around an erratum on fast string copy instructions
x86/mce: Use arch atomic and bit helpers
- new driver: gpio-en7523
- dt-bindings: convertion of faraday,ftgpio010 to YAML, new compatible string
in gpio-vf610 and a bugfix in an example
- gpiolib core: several improvements and some code shrink
- documentation: convert all public docs into kerneldoc format
- set IRQ bus token in gpio-crystalcove (addresses a debugfs issue)
- add a missing return value check for kstrdup() in gpio-merrifield
- allow gpio-tps68470 to be built as module
- more work on limiting usage of of_node in GPIO drivers
- several sysfs interface improvements
- use SDPX in gpio-ts4900
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Merge tag 'gpio-updates-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"Relatively few updates for this release cycle. We have a single new
driver and some minor changes in drivers, more work on limiting the
usage of of_node in drivers and DT updates:
- new driver: gpio-en7523
- dt-bindings: convertion of faraday,ftgpio010 to YAML, new
compatible string in gpio-vf610 and a bugfix in an example
- gpiolib core: several improvements and some code shrink
- documentation: convert all public docs into kerneldoc format
- set IRQ bus token in gpio-crystalcove (addresses a debugfs issue)
- add a missing return value check for kstrdup() in gpio-merrifield
- allow gpio-tps68470 to be built as module
- more work on limiting usage of of_node in GPIO drivers
- several sysfs interface improvements
- use SDPX in gpio-ts4900"
* tag 'gpio-updates-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: ts4900: Use SPDX header
gpiolib: Use list_first_entry()/list_last_entry()
gpiolib: sysfs: Simplify edge handling in the code
gpiolib: sysfs: Move kstrtox() calls outside of the mutex lock
gpiolib: sysfs: Move sysfs_emit() calls outside of the mutex lock
gpiolib: make struct comments into real kernel docs
dt-bindings: gpio: convert faraday,ftgpio01 to yaml
dt-bindings: gpio: gpio-vf610: Add imx93 compatible string
gpiolib: Simplify error path in gpiod_get_index() when requesting GPIO
gpiolib: Use short form of ternary operator in gpiod_get_index()
gpiolib: Introduce for_each_gpio_desc_with_flag() macro
gpio: Add support for Airoha EN7523 GPIO controller
dt-bindings: arm: airoha: Add binding for Airoha GPIO controller
dt-bindings: gpio: fix gpio-hog example
gpio: tps68470: Allow building as module
gpio: tegra: Get rid of duplicate of_node assignment
gpio: altera-a10sr: Switch to use fwnode instead of of_node
gpio: merrifield: check the return value of devm_kstrdup()
gpio: crystalcove: Set IRQ domain bus token to DOMAIN_BUS_WIRED
Pull HID updates from Jiri Kosina:
- rework of generic input handling which ultimately makes the
processing of tablet events more generic and reliable (Benjamin
Tissoires)
- fixes for handling unnumbered reports fully correctly in i2c-hid
(Angela Czubak, Dmitry Torokhov)
- untangling of intermingled code for sending and handling output
reports in i2c-hid (Dmitry Torokhov)
- Apple magic keyboard support improvements for newer models (José
Expósito)
- Apple T2 Macs support improvements (Aun-Ali Zaidi, Paul Pawlowski)
- driver for Razer Blackwidow keyboards (Jelle van der Waa)
- driver for SiGma Micro keyboards (Desmond Lim)
- integration of first part of DIGImend patches in order to ultimately
vastly improve Linux support of tablets (Nikolai Kondrashov, José
Expósito)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (55 commits)
HID: intel-ish-hid: Use dma_alloc_coherent for firmware update
Input: docs: add more details on the use of BTN_TOOL
HID: input: accommodate priorities for slotted devices
HID: input: remove the need for HID_QUIRK_INVERT
HID: input: enforce Invert usage to be processed before InRange
HID: core: for input reports, process the usages by priority list
HID: compute an ordered list of input fields to process
HID: input: move up out-of-range processing of input values
HID: input: rework spaghetti code with switch statements
HID: input: tag touchscreens as such if the physical is not there
HID: core: split data fetching from processing in hid_input_field()
HID: core: de-duplicate some code in hid_input_field()
HID: core: statically allocate read buffers
HID: uclogic: Support multiple frame input devices
HID: uclogic: Define report IDs before their descriptors
HID: uclogic: Put version first in rdesc namespace
HID: uclogic: Use "frame" instead of "buttonpad"
HID: uclogic: Use different constants for frame report IDs
HID: uclogic: Specify total report size to buttonpad macro
HID: uclogic: Switch to matching subreport bytes
...
Highlights:
- new drivers:
- AMD Host System Management Port (HSMP)
- Intel Software Defined Silicon
- removed drivers (functionality folded into other drivers):
- intel_cht_int33fe_microb
- surface3_button
- amd-pmc:
- s2idle bug-fixes
- Support for AMD Spill to DRAM STB feature
- hp-wmi:
- Fix SW_TABLET_MODE detection method (and other fixes)
- Support omen thermal profile policy v1
- serial-multi-instantiate:
- Add SPI device support
- Add support for CS35L41 amplifiers used in new laptops
- think-lmi:
- syfs-class-firmware-attributes Certificate authentication support
- thinkpad_acpi:
- Fixes + quirks
- Add platform_profile support on AMD based ThinkPads
- x86-android-tablets
- Improve Asus ME176C / TF103C support
- Support Nextbook Ares 8, Lenovo Tab 2 830 and 1050 tablets
- Lots of various other small fixes and hardware-id additions
The following is an automated git shortlog grouped by driver:
ACPI / scan:
- Create platform device for CS35L41
ACPI / x86:
- Add support for LPS0 callback handler
ALSA:
- hda/realtek: Add support for HP Laptops
Add AMD system management interface:
- Add AMD system management interface
Add Intel Software Defined Silicon driver:
- Add Intel Software Defined Silicon driver
Documentation:
- syfs-class-firmware-attributes: Lenovo Certificate support
- Add x86/amd_hsmp driver
ISST:
- Fix possible circular locking dependency detected
Input:
- soc_button_array - add support for Microsoft Surface 3 (MSHW0028) buttons
Merge remote-tracking branch 'pdx86/platform-drivers-x86-pinctrl-pmu_clk' into review-hans-gcc12:
- Merge remote-tracking branch 'pdx86/platform-drivers-x86-pinctrl-pmu_clk' into review-hans-gcc12
Merge tag 'platform-drivers-x86-serial-multi-instantiate-1' into review-hans:
- Merge tag 'platform-drivers-x86-serial-multi-instantiate-1' into review-hans
Replace acpi_bus_get_device():
- Replace acpi_bus_get_device()
amd-pmc:
- Only report STB errors when STB enabled
- Drop CPU QoS workaround
- Output error codes in messages
- Move to later in the suspend process
- Validate entry into the deepest state on resume
- uninitialized variable in amd_pmc_s2d_init()
- Set QOS during suspend on CZN w/ timer wakeup
- Add support for AMD Spill to DRAM STB feature
- Correct usage of SMU version
- Make amd_pmc_stb_debugfs_fops static
asus-tf103c-dock:
- Make 2 global structs static
asus-wmi:
- Fix regression when probing for fan curve control
hp-wmi:
- support omen thermal profile policy v1
- Changing bios_args.data to be dynamically allocated
- Fix 0x05 error code reported by several WMI calls
- Fix SW_TABLET_MODE detection method
- Fix hp_wmi_read_int() reporting error (0x05)
huawei-wmi:
- check the return value of device_create_file()
i2c-multi-instantiate:
- Rename it for a generic serial driver name
int3472:
- Add terminator to gpiod_lookup_table
intel-uncore-freq:
- fix uncore_freq_common_init() error codes
intel_cht_int33fe:
- Move to intel directory
- Drop Lenovo Yogabook YB1-X9x code
- Switch to DMI modalias based loading
intel_crystal_cove_charger:
- Fix IRQ masking / unmasking
lg-laptop:
- Move setting of battery charge limit to common location
pinctrl:
- baytrail: Add pinconf group + function for the pmu_clk
platform/dcdbas:
- move EXPORT_SYMBOL after function
platform/surface:
- Remove Surface 3 Button driver
- surface3-wmi: Simplify resource management
- Replace acpi_bus_get_device()
- Reinstate platform dependency
platform/x86/intel-uncore-freq:
- Split common and enumeration part
platform/x86/intel/uncore-freq:
- Display uncore current frequency
- Use sysfs API to create attributes
- Move to uncore-frequency folder
selftests:
- sdsi: test sysfs setup
serial-multi-instantiate:
- Add SPI support
- Reorganize I2C functions
spi:
- Add API to count spi acpi resources
- Support selection of the index of the ACPI Spi Resource before alloc
- Create helper API to lookup ACPI info for spi device
- Make spi_alloc_device and spi_add_device public again
surface:
- surface3_power: Fix battery readings on batteries without a serial number
think-lmi:
- Certificate authentication support
thinkpad_acpi:
- consistently check fan_get_status return.
- Don't use test_bit on an integer
- Fix compiler warning about uninitialized err variable
- clean up dytc profile convert
- Add PSC mode support
- Add dual fan probe
- Add dual-fan quirk for T15g (2nd gen)
- Fix incorrect use of platform profile on AMD platforms
- Add quirk for ThinkPads without a fan
tools arch x86:
- Add Intel SDSi provisiong tool
touchscreen_dmi:
- Add info for the RWC NANOTE P8 AY07J 2-in-1
x86-android-tablets:
- Depend on EFI and SPI
- Lenovo Yoga Tablet 2 830/1050 sound support
- Workaround Lenovo Yoga Tablet 2 830/1050 poweroff hang
- Add Lenovo Yoga Tablet 2 830 / 1050 data
- Fix EBUSY error when requesting IOAPIC IRQs
- Minor charger / fuel-gauge improvements
- Add Nextbook Ares 8 data
- Add IRQ to Asus ME176C accelerometer info
- Add lid-switch gpio-keys pdev to Asus ME176C + TF103C
- Add x86_android_tablet_get_gpiod() helper
- Add Asus ME176C/TF103C charger and fuelgauge props
- Add battery swnode support
- Trivial typo fix for MODULE_AUTHOR
- Fix the buttons on CZC P10T tablet
- Constify the gpiod_lookup_tables arrays
- Add an init() callback to struct x86_dev_info
- Add support for disabling ACPI _AEI handlers
- Correct crystal_cove_charger module name
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Merge tag 'platform-drivers-x86-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
"New drivers:
- AMD Host System Management Port (HSMP)
- Intel Software Defined Silicon
Removed drivers (functionality folded into other drivers):
- intel_cht_int33fe_microb
- surface3_button
amd-pmc:
- s2idle bug-fixes
- Support for AMD Spill to DRAM STB feature
hp-wmi:
- Fix SW_TABLET_MODE detection method (and other fixes)
- Support omen thermal profile policy v1
serial-multi-instantiate:
- Add SPI device support
- Add support for CS35L41 amplifiers used in new laptops
think-lmi:
- syfs-class-firmware-attributes Certificate authentication support
thinkpad_acpi:
- Fixes + quirks
- Add platform_profile support on AMD based ThinkPads
x86-android-tablets:
- Improve Asus ME176C / TF103C support
- Support Nextbook Ares 8, Lenovo Tab 2 830 and 1050 tablets
Lots of various other small fixes and hardware-id additions"
* tag 'platform-drivers-x86-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (60 commits)
platform/x86: think-lmi: Certificate authentication support
Documentation: syfs-class-firmware-attributes: Lenovo Certificate support
platform/x86: amd-pmc: Only report STB errors when STB enabled
platform/x86: amd-pmc: Drop CPU QoS workaround
platform/x86: amd-pmc: Output error codes in messages
platform/x86: amd-pmc: Move to later in the suspend process
ACPI / x86: Add support for LPS0 callback handler
platform/x86: thinkpad_acpi: consistently check fan_get_status return.
platform/x86: hp-wmi: support omen thermal profile policy v1
platform/x86: hp-wmi: Changing bios_args.data to be dynamically allocated
platform/x86: hp-wmi: Fix 0x05 error code reported by several WMI calls
platform/x86: hp-wmi: Fix SW_TABLET_MODE detection method
platform/x86: hp-wmi: Fix hp_wmi_read_int() reporting error (0x05)
platform/x86: amd-pmc: Validate entry into the deepest state on resume
platform/x86: thinkpad_acpi: Don't use test_bit on an integer
platform/x86: thinkpad_acpi: Fix compiler warning about uninitialized err variable
platform/x86: thinkpad_acpi: clean up dytc profile convert
platform/x86: x86-android-tablets: Depend on EFI and SPI
platform/x86: amd-pmc: uninitialized variable in amd_pmc_s2d_init()
platform/x86: intel-uncore-freq: fix uncore_freq_common_init() error codes
...
Linus pointed out the benefits of C99 some years ago, especially variable
declarations in loops [1]. At that time, we were not ready for the
migration due to old compilers.
Recently, Jakob Koschel reported a bug in list_for_each_entry(), which
leaks the invalid pointer out of the loop [2]. In the discussion, we
agreed that the time had come. Now that GCC 5.1 is the minimum compiler
version, there is nothing to prevent us from going to -std=gnu99, or even
straight to -std=gnu11.
Discussions for a better list iterator implementation are ongoing, but
this patch set must land first.
[1] https://lore.kernel.org/all/CAHk-=wgr12JkKmRd21qh-se-_Gs69kbPgR9x4C+Es-yJV2GLkA@mail.gmail.com/
[2] https://lore.kernel.org/lkml/86C4CE7D-6D93-456B-AA82-F8ADEACA40B7@gmail.com/
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Merge tag 'kbuild-gnu11-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild update for C11 language base from Masahiro Yamada:
"Kbuild -std=gnu11 updates for v5.18
Linus pointed out the benefits of C99 some years ago, especially
variable declarations in loops [1]. At that time, we were not ready
for the migration due to old compilers.
Recently, Jakob Koschel reported a bug in list_for_each_entry(), which
leaks the invalid pointer out of the loop [2]. In the discussion, we
agreed that the time had come. Now that GCC 5.1 is the minimum
compiler version, there is nothing to prevent us from going to
-std=gnu99, or even straight to -std=gnu11.
Discussions for a better list iterator implementation are ongoing, but
this patch set must land first"
[1] https://lore.kernel.org/all/CAHk-=wgr12JkKmRd21qh-se-_Gs69kbPgR9x4C+Es-yJV2GLkA@mail.gmail.com/
[2] https://lore.kernel.org/lkml/86C4CE7D-6D93-456B-AA82-F8ADEACA40B7@gmail.com/
* tag 'kbuild-gnu11-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
Kbuild: use -std=gnu11 for KBUILD_USERCFLAGS
Kbuild: move to -std=gnu11
Kbuild: use -Wdeclaration-after-statement
Kbuild: add -Wno-shift-negative-value where -Wextra is used
Merge yet more updates from Andrew Morton:
"This is the material which was staged after willystuff in linux-next.
Subsystems affected by this patch series: mm (debug, selftests,
pagecache, thp, rmap, migration, kasan, hugetlb, pagemap, madvise),
and selftests"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (113 commits)
selftests: kselftest framework: provide "finished" helper
mm: madvise: MADV_DONTNEED_LOCKED
mm: fix race between MADV_FREE reclaim and blkdev direct IO read
mm: generalize ARCH_HAS_FILTER_PGPROT
mm: unmap_mapping_range_tree() with i_mmap_rwsem shared
mm: warn on deleting redirtied only if accounted
mm/huge_memory: remove stale locking logic from __split_huge_pmd()
mm/huge_memory: remove stale page_trans_huge_mapcount()
mm/swapfile: remove stale reuse_swap_page()
mm/khugepaged: remove reuse_swap_page() usage
mm/huge_memory: streamline COW logic in do_huge_pmd_wp_page()
mm: streamline COW logic in do_swap_page()
mm: slightly clarify KSM logic in do_swap_page()
mm: optimize do_wp_page() for fresh pages in local LRU pagevecs
mm: optimize do_wp_page() for exclusive pages in the swapcache
mm/huge_memory: make is_transparent_hugepage() static
userfaultfd/selftests: enable hugetlb remap and remove event testing
selftests/vm: add hugetlb madvise MADV_DONTNEED MADV_REMOVE test
mm: enable MADV_DONTNEED for hugetlb mappings
kasan: disable LOCKDEP when printing reports
...
* Support for Sv57-based virtual memory.
* Various improvements for the MicroChip PolarFire SOC and the
associated Icicle dev board, which should allow upstream kernels to
boot without any additional modifications.
* An improved memmove() implementation.
* Support for the new Ssconfpmf and SBI PMU extensions, which allows for
a much more useful perf implementation on RISC-V systems.
* Support for restartable sequences.
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Merge tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for Sv57-based virtual memory.
- Various improvements for the MicroChip PolarFire SOC and the
associated Icicle dev board, which should allow upstream kernels to
boot without any additional modifications.
- An improved memmove() implementation.
- Support for the new Ssconfpmf and SBI PMU extensions, which allows
for a much more useful perf implementation on RISC-V systems.
- Support for restartable sequences.
* tag 'riscv-for-linus-5.18-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (36 commits)
rseq/selftests: Add support for RISC-V
RISC-V: Add support for restartable sequence
MAINTAINERS: Add entry for RISC-V PMU drivers
Documentation: riscv: Remove the old documentation
RISC-V: Add sscofpmf extension support
RISC-V: Add perf platform driver based on SBI PMU extension
RISC-V: Add RISC-V SBI PMU extension definitions
RISC-V: Add a simple platform driver for RISC-V legacy perf
RISC-V: Add a perf core library for pmu drivers
RISC-V: Add CSR encodings for all HPMCOUNTERS
RISC-V: Remove the current perf implementation
RISC-V: Improve /proc/cpuinfo output for ISA extensions
RISC-V: Do no continue isa string parsing without correct XLEN
RISC-V: Implement multi-letter ISA extension probing framework
RISC-V: Extract multi-letter extension names from "riscv, isa"
RISC-V: Minimal parser for "riscv, isa" strings
RISC-V: Correctly print supported extensions
riscv: Fixed misaligned memory access. Fixed pointer comparison.
MAINTAINERS: update riscv/microchip entry
riscv: dts: microchip: add new peripherals to icicle kit device tree
...
- Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.
- Add support for livepatch to 32-bit.
- Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.
- Merge vdso64 and vdso32 into a single directory.
- Fix build errors with newer binutils.
- Add support for UADDR64 relocations, which are emitted by some toolchains. This allows
powerpc to build with the latest lld.
- Fix (another) potential userspace r13 corruption in transactional memory handling.
- Cleanups of function descriptor handling & related fixes to LKDTM.
Thanks to: Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh Kumar K.V, Anton
Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar Chowdhury, Cédric Le Goater, Chen
Jingwen, Christophe JAILLET, Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel
Henrique Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu Hua, Haren
Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason Wang, Jeremy Kerr, Joachim
Wiberg, Jordan Niethe, Julia Lawall, Kajol Jain, Kees Cook, Laurent Dufour, Madhavan
Srinivasan, Mamatha Inamdar, Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal
Suchanek, Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Nour-eddine
Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy Dunlap, Ritesh Harjani, Rohan
McLure, Russell Currey, Sachin Sant, Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain,
Thierry Reding, Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean, Wedson
Almeida Filho, YueHaibing.
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Merge tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Livepatch support for 32-bit is probably the standout new feature,
otherwise mostly just lots of bits and pieces all over the board.
There's a series of commits cleaning up function descriptor handling,
which touches a few other arches as well as LKDTM. It has acks from
Arnd, Kees and Helge.
Summary:
- Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.
- Add support for livepatch to 32-bit.
- Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.
- Merge vdso64 and vdso32 into a single directory.
- Fix build errors with newer binutils.
- Add support for UADDR64 relocations, which are emitted by some
toolchains. This allows powerpc to build with the latest lld.
- Fix (another) potential userspace r13 corruption in transactional
memory handling.
- Cleanups of function descriptor handling & related fixes to LKDTM.
Thanks to Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh
Kumar K.V, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar
Chowdhury, Cédric Le Goater, Chen Jingwen, Christophe JAILLET,
Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel Henrique
Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu
Hua, Haren Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason
Wang, Jeremy Kerr, Joachim Wiberg, Jordan Niethe, Julia Lawall, Kajol
Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mamatha Inamdar,
Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal Suchanek,
Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin,
Nour-eddine Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy
Dunlap, Ritesh Harjani, Rohan McLure, Russell Currey, Sachin Sant,
Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain, Thierry Reding,
Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean,
Wedson Almeida Filho, and YueHaibing"
* tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
powerpc/pseries: Fix use after free in remove_phb_dynamic()
powerpc/time: improve decrementer clockevent processing
powerpc/time: Fix KVM host re-arming a timer beyond decrementer range
powerpc/tm: Fix more userspace r13 corruption
powerpc/xive: fix return value of __setup handler
powerpc/64: Add UADDR64 relocation support
powerpc: 8xx: fix a return value error in mpc8xx_pic_init
powerpc/ps3: remove unneeded semicolons
powerpc/64: Force inlining of prevent_user_access() and set_kuap()
powerpc/bitops: Force inlining of fls()
powerpc: declare unmodified attribute_group usages const
powerpc/spufs: Fix build warning when CONFIG_PROC_FS=n
powerpc/secvar: fix refcount leak in format_show()
powerpc/64e: Tie PPC_BOOK3E_64 to PPC_FSL_BOOK3E
powerpc: Move C prototypes out of asm-prototypes.h
powerpc/kexec: Declare kexec_paca static
powerpc/smp: Declare current_set static
powerpc: Cleanup asm-prototypes.c
powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S
powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
...
Including:
- IOMMU Core changes:
- Removal of aux domain related code as it is basically dead
and will be replaced by iommu-fd framework
- Split of iommu_ops to carry domain-specific call-backs
separatly
- Cleanup to remove useless ops->capable implementations
- Improve 32-bit free space estimate in iova allocator
- Intel VT-d updates:
- Various cleanups of the driver
- Support for ATS of SoC-integrated devices listed in
ACPI/SATC table
- ARM SMMU updates:
- Fix SMMUv3 soft lockup during continuous stream of events
- Fix error path for Qualcomm SMMU probe()
- Rework SMMU IRQ setup to prepare the ground for PMU support
- Minor cleanups and refactoring
- AMD IOMMU driver:
- Some minor cleanups and error-handling fixes
- Rockchip IOMMU driver:
- Use standard driver registration
- MSM IOMMU driver:
- Minor cleanup and change to standard driver registration
- Mediatek IOMMU driver:
- Fixes for IOTLB flushing logic
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Merge tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
- IOMMU Core changes:
- Removal of aux domain related code as it is basically dead and
will be replaced by iommu-fd framework
- Split of iommu_ops to carry domain-specific call-backs separatly
- Cleanup to remove useless ops->capable implementations
- Improve 32-bit free space estimate in iova allocator
- Intel VT-d updates:
- Various cleanups of the driver
- Support for ATS of SoC-integrated devices listed in ACPI/SATC
table
- ARM SMMU updates:
- Fix SMMUv3 soft lockup during continuous stream of events
- Fix error path for Qualcomm SMMU probe()
- Rework SMMU IRQ setup to prepare the ground for PMU support
- Minor cleanups and refactoring
- AMD IOMMU driver:
- Some minor cleanups and error-handling fixes
- Rockchip IOMMU driver:
- Use standard driver registration
- MSM IOMMU driver:
- Minor cleanup and change to standard driver registration
- Mediatek IOMMU driver:
- Fixes for IOTLB flushing logic
* tag 'iommu-updates-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (47 commits)
iommu/amd: Improve amd_iommu_v2_exit()
iommu/amd: Remove unused struct fault.devid
iommu/amd: Clean up function declarations
iommu/amd: Call memunmap in error path
iommu/arm-smmu: Account for PMU interrupts
iommu/vt-d: Enable ATS for the devices in SATC table
iommu/vt-d: Remove unused function intel_svm_capable()
iommu/vt-d: Add missing "__init" for rmrr_sanity_check()
iommu/vt-d: Move intel_iommu_ops to header file
iommu/vt-d: Fix indentation of goto labels
iommu/vt-d: Remove unnecessary prototypes
iommu/vt-d: Remove unnecessary includes
iommu/vt-d: Remove DEFER_DEVICE_DOMAIN_INFO
iommu/vt-d: Remove domain and devinfo mempool
iommu/vt-d: Remove iova_cache_get/put()
iommu/vt-d: Remove finding domain in dmar_insert_one_dev_info()
iommu/vt-d: Remove intel_iommu::domains
iommu/mediatek: Always tlb_flush_all when each PM resume
iommu/mediatek: Add tlb_lock in tlb_flush_all
iommu/mediatek: Remove the power status checking in tlb flush all
...
This series consists of the usual driver updates (qla2xxx, pm8001,
libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
and bug fixes. The high blast radius core update is the removal of
write same, which affects block and several non-SCSI devices. The
other big change, which is more local, is the removal of the SCSI
pointer.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series consists of the usual driver updates (qla2xxx, pm8001,
libsas, smartpqi, scsi_debug, lpfc, iscsi, mpi3mr) plus minor updates
and bug fixes.
The high blast radius core update is the removal of write same, which
affects block and several non-SCSI devices. The other big change,
which is more local, is the removal of the SCSI pointer"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (281 commits)
scsi: scsi_ioctl: Drop needless assignment in sg_io()
scsi: bsg: Drop needless assignment in scsi_bsg_sg_io_fn()
scsi: lpfc: Copyright updates for 14.2.0.0 patches
scsi: lpfc: Update lpfc version to 14.2.0.0
scsi: lpfc: SLI path split: Refactor BSG paths
scsi: lpfc: SLI path split: Refactor Abort paths
scsi: lpfc: SLI path split: Refactor SCSI paths
scsi: lpfc: SLI path split: Refactor CT paths
scsi: lpfc: SLI path split: Refactor misc ELS paths
scsi: lpfc: SLI path split: Refactor VMID paths
scsi: lpfc: SLI path split: Refactor FDISC paths
scsi: lpfc: SLI path split: Refactor LS_RJT paths
scsi: lpfc: SLI path split: Refactor LS_ACC paths
scsi: lpfc: SLI path split: Refactor the RSCN/SCR/RDF/EDC/FARPR paths
scsi: lpfc: SLI path split: Refactor PLOGI/PRLI/ADISC/LOGO paths
scsi: lpfc: SLI path split: Refactor base ELS paths and the FLOGI path
scsi: lpfc: SLI path split: Introduce lpfc_prep_wqe
scsi: lpfc: SLI path split: Refactor fast and slow paths to native SLI4
scsi: lpfc: SLI path split: Refactor lpfc_iocbq
scsi: lpfc: Use kcalloc()
...
Update KASAN documentation:
- Bump Clang version requirement for HW_TAGS as ARM64_MTE depends on
AS_HAS_LSE_ATOMICS as of commit 2decad92f4731 ("arm64: mte: Ensure
TIF_MTE_ASYNC_FAULT is set atomically"), which requires Clang 12.
- Add description of the new kasan.vmalloc command line flag.
- Mention that SW_TAGS and HW_TAGS modes now support vmalloc tagging.
- Explicitly say that the "Shadow memory" section is only applicable to
software KASAN modes.
- Mention that shadow-based KASAN_VMALLOC is supported on arm64.
Link: https://lkml.kernel.org/r/a61189128fa3f9fbcfd9884ff653d401864b8e74.1643047180.git.andreyknvl@google.com
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When viewing page owner information, we may want to cull blocks of
information with our own rules. So it is important to enhance culling
function to provide the support for customizing culling rules.
Therefore, following adjustments are made:
1. Add --cull option to support the culling of blocks of information
with user-defined culling rules.
./page_owner_sort <input> <output> --cull=<rules>
./page_owner_sort <input> <output> --cull <rules>
<rules> is a single argument in the form of a comma-separated list to
specify individual culling rules, by the sequence of keys k1,k2, ....
Mixed use of abbreviated and complete-form of keys is allowed.
For reference, please see the document(Documentation/vm/page_owner.rst).
Now, assuming two blocks in the input file are as follows:
Page allocated via order 0, mask xxxx, pid 1, tgid 1 (task_name_demo)
PFN xxxx
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
Page allocated via order 0, mask xxxx, pid 32, tgid 32 (task_name_demo)
PFN xxxx
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
If we want to cull the blocks by stacktrace and task command name, we can
use this command:
./page_owner_sort <input> <output> --cull=stacktrace,name
The output would be like:
2 times, 2 pages, task_comm_name: task_name_demo
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
As we can see, these two blocks are culled successfully, for they share
the same pid and task command name.
However, if we want to cull the blocks by pid, stacktrace and task command
name, we can this command:
./page_owner_sort <input> <output> --cull=stacktrace,name,pid
The output would be like:
1 times, 1 pages, PID 1, task_comm_name: task_name_demo
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
1 times, 1 pages, PID 32, task_comm_name: task_name_demo
prep_new_page+0xd0/0xf8
get_page_from_freelist+0x4a0/0x1290
__alloc_pages+0x168/0x340
alloc_pages+0xb0/0x158
As we can see, these two blocks are failed to cull, for their PIDs are
different.
2. Add explanations of --cull options to the document.
This work is coauthored by
Yixuan Cao
Shenghong Han
Yinan Zhang
Chongxi Zhao
Yuhong Feng
Link: https://lkml.kernel.org/r/20220312145834.624-1-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Shenghong Han <hanshenghong2019@email.szu.edu.cn>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>
Cc: Yuhong Feng <yuhongf@szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When viewing page owner information, we may also need to select the blocks
by PID, TGID or task command name, which helps to get more accurate page
allocation information as needed.
Therefore, following adjustments are made:
1. Add three new options, including --pid, --tgid and --name, to support
the selection of information blocks by a specific pid, tgid and task
command name. In addtion, multiple options are allowed to be used at
the same time.
./page_owner_sort [input] [output] --pid <PID>
./page_owner_sort [input] [output] --tgid <TGID>
./page_owner_sort [input] [output] --name <TASK_COMMAND_NAME>
Assuming a scenario when a multi-threaded program, ./demo (PID =
5280), is running, and ./demo creates a child process (PID = 5281).
$ps
PID TTY TIME CMD
5215 pts/0 00:00:00 bash
5280 pts/0 00:00:00 ./demo
5281 pts/0 00:00:00 ./demo
5282 pts/0 00:00:00 ps
It would be better to filter out the records with tgid=5280 and the
task name "demo" when debugging the parent process, and the specific
usage is
./page_owner_sort [input] [output] --tgid 5280 --name demo
2. Add explanations of three new options, including --pid, --tgid and
--name, to the document.
This work is coauthored by
Shenghong Han <hanshenghong2019@email.szu.edu.cn>,
Yixuan Cao <caoyixuan2019@email.szu.edu.cn>,
Yinan Zhang <zhangyinan2019@email.szu.edu.cn>,
Chongxi Zhao <zhaochongxi2019@email.szu.edu.cn>,
Yuhong Feng <yuhongf@szu.edu.cn>.
Link: https://lkml.kernel.org/r/1646835223-7584-1-git-send-email-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When viewing page owner information, we may also need to the block to be
sorted by task command name. Therefore, the following adjustments are
made:
1. Add a member variable to record task command name of block.
2. Add a new -n option to sort the information of blocks by task command
name.
3. Add -n option explanation in the document.
Link: https://lkml.kernel.org/r/20220306030640.43054-2-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: <zhaochongxi2019@email.szu.edu.cn>
Cc: <hanshenghong2019@email.szu.edu.cn>
Cc: <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the "page owner" information is read, the information sorted
by TGID is expected.
As a result, the following adjustments have been made:
1. Add a new -P option to sort the information of blocks by TGID in
ascending order.
2. Adjust the order of member variables in block_list strust to avoid
one 4 byte hole.
3. Add -P option explanation in the document.
Link: https://lkml.kernel.org/r/20220301151438.166118-3-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Two adjustments are made:
1. Correct a grammatical error: replace the "what" in "Do the job what
you want to debug" with "that".
2. Replace "has not been" with "has been" in the description of the -f
option: According to Commit b1c9ba071e7d ("tools/vm/page_owner_sort.c:
fix the instructions for use"), the description of the "-f" option is
"Filter out the information of blocks whose memory has been released."
Link: https://lkml.kernel.org/r/20220301151438.166118-1-yejiajian2018@email.szu.edu.cn
Signed-off-by: Jiajian Ye <yejiajian2018@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Cc: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Add a driver for 'struct cxl_memdev' objects responsible for CXL.mem
operation as distinct from 'cxl_pci' mailbox operations. Its primary
responsibility is enumerating an endpoint 'struct cxl_port' and all the
'struct cxl_port' instances between an endpoint and the CXL platform
root.
- Add a driver for 'struct cxl_port' objects responsible for enumerating
and operating all Host-managed Device Memory (HDM) decoder resources
between the platform-level CXL memory description, all intervening host
bridges / switches, and the HDM resources in endpoints.
- Update the cxl_pci driver to validate CXL.mem operation precursors to
HDM decoder operation like ready-polling, and legacy CXL 1.1 DVSEC
based CXL.mem configuration.
- Add basic lockdep coverage for usage of device_lock() on CXL subsystem
objects similar to what exists for LIBNVDIMM. Include a compile-time
switch for which subsystem to validate at run-time.
- Update cxl_test to emulate a one level switch topology.
- Document a "Theory of Operation" for the subsystem.
- Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs
- Include miscellaneous fixes for spec / QEMU CXL emulation
compatibility and static analysis reports.
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Merge tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL (Compute Express Link) updates from Dan Williams:
"This development cycle extends the subsystem to discover CXL resources
throughout a CXL/PCIe switch topology and respond to hot add/remove
events anywhere in that topology.
This is more foundational infrastructure in preparation for dynamic
memory region provisioning support. Recall that CXL memory regions, as
the new "Theory of Operation" section of
Documentation/driver-api/cxl/memory-devices.rst describes, bring
storage volume striping semantics to memory.
The hot add/remove behavior is validated with extensions to the
cxl_test unit test environment and this test in the cxl-cli test
suite:
https://github.com/pmem/ndctl/blob/djbw/for-74/cxl/test/cxl-topology.sh
Summary:
- Add a driver for 'struct cxl_memdev' objects responsible for
CXL.mem operation as distinct from 'cxl_pci' mailbox operations.
Its primary responsibility is enumerating an endpoint 'struct
cxl_port' and all the 'struct cxl_port' instances between an
endpoint and the CXL platform root.
- Add a driver for 'struct cxl_port' objects responsible for
enumerating and operating all Host-managed Device Memory (HDM)
decoder resources between the platform-level CXL memory
description, all intervening host bridges / switches, and the HDM
resources in endpoints.
- Update the cxl_pci driver to validate CXL.mem operation precursors
to HDM decoder operation like ready-polling, and legacy CXL 1.1
DVSEC based CXL.mem configuration.
- Add basic lockdep coverage for usage of device_lock() on CXL
subsystem objects similar to what exists for LIBNVDIMM. Include a
compile-time switch for which subsystem to validate at run-time.
- Update cxl_test to emulate a one level switch topology.
- Document a "Theory of Operation" for the subsystem.
- Add 'numa_node' and 'serial' attributes to cxl_memdev sysfs
- Include miscellaneous fixes for spec / QEMU CXL emulation
compatibility and static analysis reports"
* tag 'cxl-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (48 commits)
cxl/core/port: Fix NULL but dereferenced coccicheck error
cxl/port: Hold port reference until decoder release
cxl/port: Fix endpoint refcount leak
cxl/core: Fix cxl_device_lock() class detection
cxl/core/port: Fix unregister_port() lock assertion
cxl/regs: Fix size of CXL Capability Header Register
cxl/core/port: Handle invalid decoders
cxl/core/port: Fix / relax decoder target enumeration
tools/testing/cxl: Add a physical_node link
tools/testing/cxl: Enumerate mock decoders
tools/testing/cxl: Mock one level of switches
tools/testing/cxl: Fix root port to host bridge assignment
tools/testing/cxl: Mock dvsec_ranges()
cxl/core/port: Add endpoint decoders
cxl/core: Move target_list out of base decoder attributes
cxl/mem: Add the cxl_mem driver
cxl/core/port: Add switch port enumeration
cxl/memdev: Add numa_node attribute
cxl/pci: Emit device serial number
cxl/pci: Implement wait for media active
...
dma-buf:
- rename dma-buf-map to iosys-map
core:
- move buddy allocator to core
- add pci/platform init macros
- improve EDID parser deep color handling
- EDID timing type 7 support
- add GPD Win Max quirk
- add yes/no helpers to string_helpers
- flatten syncobj chains
- add nomodeset support to lots of drivers
- improve fb-helper clipping support
- add default property value interface
fbdev:
- improve fbdev ops speed
ttm:
- add a backpointer from ttm bo->ttm resource
dp:
- move displayport headers
- add a dp helper module
bridge:
- anx7625 atomic support, HDCP support
panel:
- split out panel-lvds and lvds bindings
- find panels in OF subnodes
privacy:
- add chromeos privacy screen support
fb:
- hot unplug fw fb on forced removal
simpledrm:
- request region instead of marking ioresource busy
- add panel oreintation property
udmabuf:
- fix oops with 0 pages
amdgpu:
- power management code cleanup
- Enable freesync video mode by default
- RAS code cleanup
- Improve VRAM access for debug using SDMA
- SR-IOV rework special register access and fixes
- profiling power state request ioctl
- expose IP discovery via sysfs
- Cyan skillfish updates
- GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
- expose benchmark tests via debugfs
- add module param to disable XGMI for testing
- GPU reset debugfs register dumping support
amdkfd:
- CRIU support
- SDMA queue fixes
radeon:
- UVD suspend fix
- iMac backlight fix
i915:
- minimal parallel submission for execlists
- DG2-G12 subplatform added
- DG2 programming workarounds
- DG2 accelerated migration support
- flat CCS and CCS engine support for XeHP
- initial small BAR support
- drop fake LMEM support
- ADL-N PCH support
- bigjoiner updates
- introduce VMA resources and async unbinding
- register definitions cleanups
- multi-FBC refactoring
- DG1 OPROM over SPI support
- ADL-N platform enabling
- opregion mailbox #5 support
- DP MST ESI improvements
- drm device based logging
- async flip optimisation for DG2
- CPU arch abstraction fixes
- improve GuC ADS init to work on aarch64
- tweak TTM LRU priority hint
- GuC 69.0.3 support
- remove short term execbuf pins
nouveau:
- higher DP/eDP bitrates
- backlight fixes
msm:
- dpu + dp support for sc8180x
- dp support for sm8350
- dpu + dsi support for qcm2290
- 10nm dsi phy tuning support
- bridge support for dp encoder
- gpu support for additional 7c3 SKUs
ingenic:
- HDMI support for JZ4780
- aux channel EDID support
ast:
- AST2600 support
- add wide screen support
- create DP/DVI connectors
omapdrm:
- fix implicit dma_buf fencing
vc4:
- add CSC + full range support
- better display firmware handoff
panfrost:
- add initial dual-core GPU support
stm:
- new revision support
- fb handover support
mediatek:
- transfer display binding document to yaml format.
- add mt8195 display device binding.
- allow commands to be sent during video mode.
- add wait_for_event for crtc disable by cmdq.
tegra:
- YUV format support
rcar-du:
- LVDS support for M3-W+ (R8A77961)
exynos:
- BGR pixel format for FIMD device
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Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Lots of work all over, Intel improving DG2 support, amdkfd CRIU
support, msm new hw support, and faster fbdev support.
dma-buf:
- rename dma-buf-map to iosys-map
core:
- move buddy allocator to core
- add pci/platform init macros
- improve EDID parser deep color handling
- EDID timing type 7 support
- add GPD Win Max quirk
- add yes/no helpers to string_helpers
- flatten syncobj chains
- add nomodeset support to lots of drivers
- improve fb-helper clipping support
- add default property value interface
fbdev:
- improve fbdev ops speed
ttm:
- add a backpointer from ttm bo->ttm resource
dp:
- move displayport headers
- add a dp helper module
bridge:
- anx7625 atomic support, HDCP support
panel:
- split out panel-lvds and lvds bindings
- find panels in OF subnodes
privacy:
- add chromeos privacy screen support
fb:
- hot unplug fw fb on forced removal
simpledrm:
- request region instead of marking ioresource busy
- add panel oreintation property
udmabuf:
- fix oops with 0 pages
amdgpu:
- power management code cleanup
- Enable freesync video mode by default
- RAS code cleanup
- Improve VRAM access for debug using SDMA
- SR-IOV rework special register access and fixes
- profiling power state request ioctl
- expose IP discovery via sysfs
- Cyan skillfish updates
- GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates
- expose benchmark tests via debugfs
- add module param to disable XGMI for testing
- GPU reset debugfs register dumping support
amdkfd:
- CRIU support
- SDMA queue fixes
radeon:
- UVD suspend fix
- iMac backlight fix
i915:
- minimal parallel submission for execlists
- DG2-G12 subplatform added
- DG2 programming workarounds
- DG2 accelerated migration support
- flat CCS and CCS engine support for XeHP
- initial small BAR support
- drop fake LMEM support
- ADL-N PCH support
- bigjoiner updates
- introduce VMA resources and async unbinding
- register definitions cleanups
- multi-FBC refactoring
- DG1 OPROM over SPI support
- ADL-N platform enabling
- opregion mailbox #5 support
- DP MST ESI improvements
- drm device based logging
- async flip optimisation for DG2
- CPU arch abstraction fixes
- improve GuC ADS init to work on aarch64
- tweak TTM LRU priority hint
- GuC 69.0.3 support
- remove short term execbuf pins
nouveau:
- higher DP/eDP bitrates
- backlight fixes
msm:
- dpu + dp support for sc8180x
- dp support for sm8350
- dpu + dsi support for qcm2290
- 10nm dsi phy tuning support
- bridge support for dp encoder
- gpu support for additional 7c3 SKUs
ingenic:
- HDMI support for JZ4780
- aux channel EDID support
ast:
- AST2600 support
- add wide screen support
- create DP/DVI connectors
omapdrm:
- fix implicit dma_buf fencing
vc4:
- add CSC + full range support
- better display firmware handoff
panfrost:
- add initial dual-core GPU support
stm:
- new revision support
- fb handover support
mediatek:
- transfer display binding document to yaml format.
- add mt8195 display device binding.
- allow commands to be sent during video mode.
- add wait_for_event for crtc disable by cmdq.
tegra:
- YUV format support
rcar-du:
- LVDS support for M3-W+ (R8A77961)
exynos:
- BGR pixel format for FIMD device"
* tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits)
drm/i915/display: Do not re-enable PSR after it was marked as not reliable
drm/i915/display: Fix HPD short pulse handling for eDP
drm/amdgpu: Use drm_mode_copy()
drm/radeon: Use drm_mode_copy()
drm/amdgpu: Use ternary operator in `vcn_v1_0_start()`
drm/amdgpu: Remove pointless on stack mode copies
drm/amd/pm: fix indenting in __smu_cmn_reg_print_error()
drm/amdgpu/dc: fix typos in comments
drm/amdgpu: fix typos in comments
drm/amd/pm: fix typos in comments
drm/amdgpu: Add stolen reserved memory for MI25 SRIOV.
drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations.
drm/amdkfd: evict svm bo worker handle error
drm/amdgpu/vcn: fix vcn ring test failure in igt reload test
drm/amdgpu: only allow secure submission on rings which support that
drm/amdgpu: fixed the warnings reported by kernel test robot
drm/amd/display: 3.2.177
drm/amd/display: [FW Promotion] Release 0.0.108.0
drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2
drm/amd/display: Wait for hubp read line for Pollock
...
The example needs updating to match the to be added yaml bindings for
the gfx node.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220304000311.970267-2-joel@jms.id.au
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Merge more updates from Andrew Morton:
"Various misc subsystems, before getting into the post-linux-next
material.
41 patches.
Subsystems affected by this patch series: procfs, misc, core-kernel,
lib, checkpatch, init, pipe, minix, fat, cgroups, kexec, kdump,
taskstats, panic, kcov, resource, and ubsan"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (41 commits)
Revert "ubsan, kcsan: Don't combine sanitizer with kcov on clang"
kernel/resource: fix kfree() of bootmem memory again
kcov: properly handle subsequent mmap calls
kcov: split ioctl handling into locked and unlocked parts
panic: move panic_print before kmsg dumpers
panic: add option to dump all CPUs backtraces in panic_print
docs: sysctl/kernel: add missing bit to panic_print
taskstats: remove unneeded dead assignment
kasan: no need to unset panic_on_warn in end_report()
ubsan: no need to unset panic_on_warn in ubsan_epilogue()
panic: unset panic_on_warn inside panic()
docs: kdump: add scp example to write out the dump file
docs: kdump: update description about sysfs file system support
arm64: mm: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
x86/setup: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
kexec: make crashk_res, crashk_low_res and crash_notes symbols always visible
cgroup: use irqsave in cgroup_rstat_flush_locked().
fat: use pointer to simple type in put_user()
minix: fix bug when opening a file with O_DIRECT
...
