279737939a
107205 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Eugene Syromiatnikov
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b7ea4894aa |
ptp: uapi: change _IOW to IOWR in PTP_SYS_OFFSET_EXTENDED definition
The ioctl command is read/write (or just read, if the fact that user space writes n_samples field is ignored). Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Daniel Borkmann
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d3bd7413e0 |
bpf: fix sanitation of alu op with pointer / scalar type from different paths
While |
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Denis Bolotin
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2d533a9287 |
qed: Fix qed_chain_set_prod() for PBL chains with non power of 2 page count
In PBL chains with non power of 2 page count, the producer is not at the beginning of the chain when index is 0 after a wrap. Therefore, after the producer index wrap around, page index should be calculated more carefully. Signed-off-by: Denis Bolotin <dbolotin@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
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96d4f267e4 |
Remove 'type' argument from access_ok() function
Nobody has actually used the type (VERIFY_READ vs VERIFY_WRITE) argument
of the user address range verification function since we got rid of the
old racy i386-only code to walk page tables by hand.
It existed because the original 80386 would not honor the write protect
bit when in kernel mode, so you had to do COW by hand before doing any
user access. But we haven't supported that in a long time, and these
days the 'type' argument is a purely historical artifact.
A discussion about extending 'user_access_begin()' to do the range
checking resulted this patch, because there is no way we're going to
move the old VERIFY_xyz interface to that model. And it's best done at
the end of the merge window when I've done most of my merges, so let's
just get this done once and for all.
This patch was mostly done with a sed-script, with manual fix-ups for
the cases that weren't of the trivial 'access_ok(VERIFY_xyz' form.
There were a couple of notable cases:
- csky still had the old "verify_area()" name as an alias.
- the iter_iov code had magical hardcoded knowledge of the actual
values of VERIFY_{READ,WRITE} (not that they mattered, since nothing
really used it)
- microblaze used the type argument for a debug printout
but other than those oddities this should be a total no-op patch.
I tried to fix up all architectures, did fairly extensive grepping for
access_ok() uses, and the changes are trivial, but I may have missed
something. Any missed conversion should be trivially fixable, though.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds
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43d86ee8c6 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Several fixes here. Basically split down the line between newly
introduced regressions and long existing problems:
1) Double free in tipc_enable_bearer(), from Cong Wang.
2) Many fixes to nf_conncount, from Florian Westphal.
3) op->get_regs_len() can throw an error, check it, from Yunsheng
Lin.
4) Need to use GFP_ATOMIC in *_add_hash_mac_address() of fsl/fman
driver, from Scott Wood.
5) Inifnite loop in fib_empty_table(), from Yue Haibing.
6) Use after free in ax25_fillin_cb(), from Cong Wang.
7) Fix socket locking in nr_find_socket(), also from Cong Wang.
8) Fix WoL wakeup enable in r8169, from Heiner Kallweit.
9) On 32-bit sock->sk_stamp is not thread-safe, from Deepa Dinamani.
10) Fix ptr_ring wrap during queue swap, from Cong Wang.
11) Missing shutdown callback in hinic driver, from Xue Chaojing.
12) Need to return NULL on error from ip6_neigh_lookup(), from Stefano
Brivio.
13) BPF out of bounds speculation fixes from Daniel Borkmann"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (57 commits)
ipv6: Consider sk_bound_dev_if when binding a socket to an address
ipv6: Fix dump of specific table with strict checking
bpf: add various test cases to selftests
bpf: prevent out of bounds speculation on pointer arithmetic
bpf: fix check_map_access smin_value test when pointer contains offset
bpf: restrict unknown scalars of mixed signed bounds for unprivileged
bpf: restrict stack pointer arithmetic for unprivileged
bpf: restrict map value pointer arithmetic for unprivileged
bpf: enable access to ax register also from verifier rewrite
bpf: move tmp variable into ax register in interpreter
bpf: move {prev_,}insn_idx into verifier env
isdn: fix kernel-infoleak in capi_unlocked_ioctl
ipv6: route: Fix return value of ip6_neigh_lookup() on neigh_create() error
net/hamradio/6pack: use mod_timer() to rearm timers
net-next/hinic:add shutdown callback
net: hns3: call hns3_nic_net_open() while doing HNAE3_UP_CLIENT
ip: validate header length on virtual device xmit
tap: call skb_probe_transport_header after setting skb->dev
ptr_ring: wrap back ->producer in __ptr_ring_swap_queue()
net: rds: remove unnecessary NULL check
...
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Linus Torvalds
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645ff1e8e7 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: "A tiny pull request this merge window unfortunately, should get more material in for the next release: - new driver for Raspberry Pi's touchscreen (firmware interface) - miscellaneous input driver fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G Input: atmel_mxt_ts - don't try to free unallocated kernel memory Input: drv2667 - fix indentation issues Input: touchscreen - fix coding style issue Input: add official Raspberry Pi's touchscreen driver Input: nomadik-ske-keypad - fix a loop timeout test Input: rotary-encoder - don't log EPROBE_DEFER to kernel log Input: olpc_apsp - remove set but not used variable 'np' Input: olpc_apsp - enable the SP clock Input: olpc_apsp - check FIFO status on open(), not probe() Input: olpc_apsp - drop CONFIG_OLPC dependency clk: mmp2: add SP clock dt-bindings: marvell,mmp2: Add clock id for the SP clock Input: ad7879 - drop platform data support |
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Linus Torvalds
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d548e65904 |
virtio, vhost: features, fixes, cleanups
discard in virtio blk misc fixes and cleanups Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJcLSujAAoJECgfDbjSjVRpguUH/jHFcIR0egb9k0nEx2ETxoPw HKjV3zzWW+WKYu7NNXyF4qiIedlQvTLUt1gRNtNa/G0C+AFKKPl+ynBNmBFfM3Lt RCpt0ctAaJDpr8xABC4PRoAU2Vga9Glkt9SobZ7kBDCXcCl6PDYk3zLryG87N5Rf pQJeTOpYtE8OgQaO7w3+7u5YmfGWaCrsxMWuq43ry9mn0J6QaJ6FYrz5+V90uOcT o5NtauCyTzIj+wrsh75qg6KWG8zLFwrskCxX8CmYd+j7ZTDZc5U9eaYJRx3HdqOE //aXqXy17trgy5GGTw9IPKE30JOztEhER9HzQASNVkmjYTq7q8DTMlnVIMSLRF0= =NI+Y -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio/vhost updates from Michael Tsirkin: "Features, fixes, cleanups: - discard in virtio blk - misc fixes and cleanups" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: correct the related warning message vhost: split structs into a separate header file virtio: remove deprecated VIRTIO_PCI_CONFIG() vhost/vsock: switch to a mutex for vhost_vsock_hash virtio_blk: add discard and write zeroes support |
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Linus Torvalds
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77d0b194b2 |
for-4.21/block-20190102
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAlwtClAQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpicLEACpQalDy7tUp+0/5VUMTiYksBqimtCoOu59 K9BsrRwdXnhAxBdD3a6cn442axKelg5NozdTAXFTNAFkuDUci0eBvVZFNBhuRaqY Cp/ub8rF81viivDvF5kO8wWC745Zj63/BQjethXrTssVI3ZOV4lK+haiuJeXOegN LwM64P5lHlhQkOn/FV5oDSWyrlffMrjtcqJ22Em0mxeHgneZXI0wVeJgGbbY8e33 GWGUb+sYpDM41ZDl7vyVSIDNHKzYMSbN7hdLh3fD+EWVFwI/F+lZU/LHbO+lKt1f LU/mPXLrIkEvzhFwwGLQy10u6lo1US6sMoKfFcpKu8KRY4p7DyvoCLyGH2PtK2sR +vX1LlWPHJsN9x/5TlfOnXrR0qChzqwMU3tgzQaCF7HOEx+3Xt7HpKRffJmVMNZP anMqevN2OfjvpcBEs2jktAqiwmBZIPSQJ9OMqkPJIalIW4h3qDKXRKttpmWTWMeV sDWNGj3hpukWba01vTxYOkz8/V58+ikzM26UAjTmTU9YvQ+TZBmu+azAuisedhqE b66gXz8YLp6r10psSBnh1IThvhuDyjmofouWGuSWJRcEngzXbL6jDQhgqWWCzKUn cW8Cs4ymvSwE5Qwwgs4wY8XYwyl5L9QGgfwLx+toMvSKq/G+ONA6FQ1Crp7zx4jq bnNqy1iWNg== =KYFj -----END PGP SIGNATURE----- Merge tag 'for-4.21/block-20190102' of git://git.kernel.dk/linux-block Pull more block updates from Jens Axboe: - Dead code removal for loop/sunvdc (Chengguang) - Mark BIDI support for bsg as deprecated, logging a single dmesg warning if anyone is actually using it (Christoph) - blkcg cleanup, killing a dead function and making the tryget_closest variant easier to read (Dennis) - Floppy fixes, one fixing a regression in swim3 (Finn) - lightnvm use-after-free fix (Gustavo) - gdrom leak fix (Wenwen) - a set of drbd updates (Lars, Luc, Nathan, Roland) * tag 'for-4.21/block-20190102' of git://git.kernel.dk/linux-block: (28 commits) block/swim3: Fix regression on PowerBook G3 block/swim3: Fix -EBUSY error when re-opening device after unmount block/swim3: Remove dead return statement block/amiflop: Don't log error message on invalid ioctl gdrom: fix a memory leak bug lightnvm: pblk: fix use-after-free bug block: sunvdc: remove redundant code block: loop: remove redundant code bsg: deprecate BIDI support in bsg blkcg: remove unused __blkg_release_rcu() blkcg: clean up blkg_tryget_closest() drbd: Change drbd_request_detach_interruptible's return type to int drbd: Avoid Clang warning about pointless switch statment drbd: introduce P_ZEROES (REQ_OP_WRITE_ZEROES on the "wire") drbd: skip spurious timeout (ping-timeo) when failing promote drbd: don't retry connection if peers do not agree on "authentication" settings drbd: fix print_st_err()'s prototype to match the definition drbd: avoid spurious self-outdating with concurrent disconnect / down drbd: do not block when adjusting "disk-options" while IO is frozen drbd: fix comment typos ... |
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Linus Torvalds
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0f2107daec |
One more patch to generalize a set of DT binding defines now before -rc1
comes out. This way the SoC DTS files can use the proper defines from a stable tag. -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAlwmdjIRHHNib3lkQGtl cm5lbC5vcmcACgkQrQKIl8bklSX8Iw//RZ3fJWCV5HdYO938SRl8mdn+kKc+8bfO Ng6abLS7hV79oB8G5sapYxS5BaoHw9O59NM2wldu+9vtM1s3cPlvPXJN60NQMHrA 9Bv8r5xOARKzcyou+0vCtWOVL0xt92KKU4fuPCgdP62OkeNppUeZqpoeVILZyOsz txfNX1CN6WdxPHWG4mxted8i1sX873EAdLsE+n8zEchfPk0ADZ/TEfKDlqHV9wAB XgFzk8W/ZyKg2zlNCwWIUBIk9IlqRUTnPArA9bzAgxMO6x0DT7W5LSgEHN0nk2kl uhLDjxcXUtQKic14hzlnBHDN+aSaCtrdUsoxxlgoyyq+cDh8eC9keh4DsBu32nBk ETQ00DteZWaPSMuqphQ6rOye3X/ff42cQREZCxo5anuUt2ekgwdCiS64XU/id+tk 1YdTGgiwiZTBZCTlvWqvoOpU2OannD7c2dEML9X7evM0H35f2KjNFODtWEDedDSg BFyP62gFs7063Pdz02wUdS37m6iC2WDbZioSUw+NJjSnnX4N4Uz7zI/Xh2AhwLwT 9bECXexsg2qUTSFbEvLsTTasE551bSqOJ5VzJuDwTL6OdmeLYEv+H+ZY5z/8lYkF gLx2rfo63P/2YljkVjKFxValu3jDUbt26ePEa0J9N4WK17CS28L6BXnC7TdEqNhP +Hs380jUFXw= =mZr0 -----END PGP SIGNATURE----- Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull more clk updates from Stephen Boyd: "One more patch to generalize a set of DT binding defines now before -rc1 comes out. This way the SoC DTS files can use the proper defines from a stable tag" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: imx8qxp: make the name of clock ID generic |
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Linus Torvalds
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35ddb06a46 |
- Introduce device-managed registration devm_mbox_controller_un/register and convert drivers to use it
- Introduce flush api to support clients that must busy-wait in atomic context - Support multiple controllers per device - Hi3660: a bugfix and constify ops structure - TI-MsgMgr: off by one bugfix. - BCM: switch to spdx license - Tegra-HSP: support for shared mailboxes and suspend/resume. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAlwsSx4ACgkQf9lkf8eY P5V7VBAAkYp05XY1IsH5x1nSqhFb+cco0pv0kwO3Sr+IhYgC3i5aD2JMtIGu3N34 8lFrNXbrodDFsY37dAd8YDP4zoJ6LGmB9Z7brjuce/Mlgj63Z7EV5R+PW6UC/thP ul9RVM3d0YoRfutHz0p8+0vgB2d90Npng6f1XhNBwniWNtzFm1QoDl/rr5QI/126 tdgpuC/79fl1ymuzrBxMx7Yn5LG4P5B834gip16qiKlhaawL98nmWoF0EyIFwSMN Oo4yxpiMPsLC1Jt9EygXOHyybt1WSgCGlKV0fk6iiugR2YmDfVaiASq8e1gBN9W8 8ILFxEFkfbR4uat3fDErymGmdQrt0pFeSBnwej30JS/GTASz5i0XAIfpVYL113t9 WzsMR8YZGW3hk1Z+ZXJhecszYhDg4GAfew2kADqmdBeG6JX8eBn0wYFRFYjYPsXR idrsWkuzYmNXUaFg10Un3OgVwmpnhB7QmiKXTeqpWkcYlrI8MiljwAK+wXh2/23S vxM+hdbKLQ++0m6iMz/9HE3b5LJlJtXwz5UDagWvgr6t0UTxviPK7xpjvgvRlUny OYd2UuC0X3dHWWflST6eWR4hWqc96KHLsTAn3X9nm+S41ijZHU+MS3B/F1Z5R1LS tU3V0JK5Q+61Va5brSr7/XO3TEy+5n1jWl92SGnayFuqnVaXZyQ= =b4QB -----END PGP SIGNATURE----- Merge tag 'mailbox-v4.21' of git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: - Introduce device-managed registration devm_mbox_controller_un/register and convert drivers to use it - Introduce flush api to support clients that must busy-wait in atomic context - Support multiple controllers per device - Hi3660: a bugfix and constify ops structure - TI-MsgMgr: off by one bugfix. - BCM: switch to spdx license - Tegra-HSP: support for shared mailboxes and suspend/resume. * tag 'mailbox-v4.21' of git://git.linaro.org/landing-teams/working/fujitsu/integration: (30 commits) mailbox: tegra-hsp: Use device-managed registration API mailbox: tegra-hsp: use devm_kstrdup_const() mailbox: tegra-hsp: Add suspend/resume support mailbox: tegra-hsp: Add support for shared mailboxes dt-bindings: tegra186-hsp: Add shared mailboxes mailbox: Allow multiple controllers per device mailbox: Support blocking transfers in atomic context mailbox: ti-msgmgr: Use device-managed registration API mailbox: stm32-ipcc: Use device-managed registration API mailbox: rockchip: Use device-managed registration API mailbox: qcom-apcs: Use device-managed registration API mailbox: platform-mhu: Use device-managed registration API mailbox: omap: Use device-managed registration API mailbox: mtk-cmdq: Remove needless devm_kfree() calls mailbox: mtk-cmdq: Use device-managed registration API mailbox: xgene-slimpro: Use device-managed registration API mailbox: sti: Use device-managed registration API mailbox: altera: Use device-managed registration API mailbox: imx: Use device-managed registration API mailbox: hi6220: Use device-managed registration API ... |
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David S. Miller
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be63004336 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says: ==================== pull-request: bpf 2019-01-02 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) prevent out of bounds speculation on pointer arithmetic, from Daniel. 2) typo fix, from Xiaozhou. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linus Torvalds
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e6b9257280 |
NFS client updates for Linux 4.21
Note that there is a conflict with the rdma tree in this pull request, since we delete a file that has been changed in the rdma tree. Hopefully that's easy enough to resolve! We also were unable to track down a maintainer for Neil Brown's changes to the generic cred code that are prerequisites to his RPC cred cleanup patches. We've been asking around for several months without any response, so hopefully it's okay to include those patches in this pull request. Stable bugfixes: - xprtrdma: Yet another double DMA-unmap # v4.20 Features: - Allow some /proc/sys/sunrpc entries without CONFIG_SUNRPC_DEBUG - Per-xprt rdma receive workqueues - Drop support for FMR memory registration - Make port= mount option optional for RDMA mounts Other bugfixes and cleanups: - Remove unused nfs4_xdev_fs_type declaration - Fix comments for behavior that has changed - Remove generic RPC credentials by switching to 'struct cred' - Fix crossing mountpoints with different auth flavors - Various xprtrdma fixes from testing and auditing the close code - Fixes for disconnect issues when using xprtrdma with krb5 - Clean up and improve xprtrdma trace points - Fix NFS v4.2 async copy reboot recovery -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAlwtO50ACgkQ18tUv7Cl QOtZWQ//e5Hhp2TnQZ6U+99YKedjwBHP6psH3GKSEdeHSNdlSpZ5ckgHxvMb9TBa 6t4ecgv5P/uYLIePQ0u2ubUFc9+TlyGi7Iacx13/YhK7kihGHDPnZhfl0QbYixV7 rwa9bFcKmOrXs8ld+Hw3P2UL22G1gMf/LHDhPNshbW7LFZmcshKz+mKTk70kwkq9 v7tFC59p6GwV8Sr2YI2NXn2fOWsUS00sQfgj2jceJYJ8PsNa+wHYF4wPj2IY5NsE D5Oq2kLPbytBhCllOHgopNZaf4qb5BfqhVETyc1O+kDF3BZKUhQ1PoDi2FPinaHM 5/d8hS+5fr3eMBsQrPWQLXYjWQFUXnkQQJvU3Bo52AIgomsk/8uBq3FvH7XmFcBd C8sgnuUAkAS8feMes8GCS50BTxclnGuYGdyFJyCRXoG9Kn9rMrw9EKitky6EVq0v NmXhW79jK84a3yDXVlAIpZ8Y9BU/HQ3GviGX8lQEdZU9YiYRzDIHvpMFwzMgqaBi XvLbr8PlLOm8GZokThS8QYT/G2Wu6IwfUq/AufVjVD4+HiL3duKKfWSGAvcm6aAa GoRF6UG+OmjWlzKojtRc1dI+sy22Fzh+DW+Mx6tuf/b/66wkmYnW7eKcV4rt6Tm5 /JEhvTMo9q7elL/4FgCoMCcdoc5eXqQyXRXrQiOU7YHLzn2aWU0= =DvVW -----END PGP SIGNATURE----- Merge tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client updates from Anna Schumaker: "Stable bugfixes: - xprtrdma: Yet another double DMA-unmap # v4.20 Features: - Allow some /proc/sys/sunrpc entries without CONFIG_SUNRPC_DEBUG - Per-xprt rdma receive workqueues - Drop support for FMR memory registration - Make port= mount option optional for RDMA mounts Other bugfixes and cleanups: - Remove unused nfs4_xdev_fs_type declaration - Fix comments for behavior that has changed - Remove generic RPC credentials by switching to 'struct cred' - Fix crossing mountpoints with different auth flavors - Various xprtrdma fixes from testing and auditing the close code - Fixes for disconnect issues when using xprtrdma with krb5 - Clean up and improve xprtrdma trace points - Fix NFS v4.2 async copy reboot recovery" * tag 'nfs-for-4.21-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (63 commits) sunrpc: convert to DEFINE_SHOW_ATTRIBUTE sunrpc: Add xprt after nfs4_test_session_trunk() sunrpc: convert unnecessary GFP_ATOMIC to GFP_NOFS sunrpc: handle ENOMEM in rpcb_getport_async NFS: remove unnecessary test for IS_ERR(cred) xprtrdma: Prevent leak of rpcrdma_rep objects NFSv4.2 fix async copy reboot recovery xprtrdma: Don't leak freed MRs xprtrdma: Add documenting comment for rpcrdma_buffer_destroy xprtrdma: Replace outdated comment for rpcrdma_ep_post xprtrdma: Update comments in frwr_op_send SUNRPC: Fix some kernel doc complaints SUNRPC: Simplify defining common RPC trace events NFS: Fix NFSv4 symbolic trace point output xprtrdma: Trace mapping, alloc, and dereg failures xprtrdma: Add trace points for calls to transport switch methods xprtrdma: Relocate the xprtrdma_mr_map trace points xprtrdma: Clean up of xprtrdma chunk trace points xprtrdma: Remove unused fields from rpcrdma_ia xprtrdma: Cull dprintk() call sites ... |
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Linus Torvalds
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e45428a436 |
Thanks to Vasily Averin for fixing a use-after-free in the containerized
NFSv4.2 client, and cleaning up some convoluted backchannel server code in the process. Otherwise, miscellaneous smaller bugfixes and cleanup. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJcLR3nAAoJECebzXlCjuG+oyAQALrPSTH9Qg2AwP2eGm+AevUj u/VFmimImIO9dYuT02t4w42w4qMIQ0/Y7R0UjT3DxG5Oixy/zA+ZaNXCCEKwSMIX abGF4YalUISbDc6n0Z8J14/T33wDGslhy3IQ9Jz5aBCDCocbWlzXvFlmrowbb3ak vtB0Fc3Xo6Z/Pu2GzNzlqR+f69IAmwQGJrRrAEp3JUWSIBKiSWBXTujDuVBqJNYj ySLzbzyAc7qJfI76K635XziULR2ueM3y5JbPX7kTZ0l3OJ6Yc0PtOj16sIv5o0XK DBYPrtvw3ZbxQE/bXqtJV9Zn6MG5ODGxKszG1zT1J3dzotc9l/LgmcAY8xVSaO+H QNMdU9QuwmyUG20A9rMoo/XfUb5KZBHzH7HIYOmkfBidcaygwIInIKoIDtzimm4X OlYq3TL/3QDY6rgTCZv6n2KEnwiIDpc5+TvFhXRWclMOJMcMSHJfKFvqERSv9V3o 90qrCebPA0K8Dnc0HMxcBXZ+0TqZ2QeXp/wfIjibCXqMwlg+BZhmbeA0ngZ7x7qf 2F33E9bfVJjL+VI5FcVYQf43bOTWZgD6ZKGk4T7keYl0CPH+9P70bfhl4KKy9dqc GwYooy/y5FPb2CvJn/EETeILRJ9OyIHUrw7HBkpz9N8n9z+V6Qbp9yW7LKgaMphW 1T+GpHZhQjwuBPuJhDK0 =dRLp -----END PGP SIGNATURE----- Merge tag 'nfsd-4.21' of git://linux-nfs.org/~bfields/linux Pull nfsd updates from Bruce Fields: "Thanks to Vasily Averin for fixing a use-after-free in the containerized NFSv4.2 client, and cleaning up some convoluted backchannel server code in the process. Otherwise, miscellaneous smaller bugfixes and cleanup" * tag 'nfsd-4.21' of git://linux-nfs.org/~bfields/linux: (25 commits) nfs: fixed broken compilation in nfs_callback_up_net() nfs: minor typo in nfs4_callback_up_net() sunrpc: fix debug message in svc_create_xprt() sunrpc: make visible processing error in bc_svc_process() sunrpc: remove unused xpo_prep_reply_hdr callback sunrpc: remove svc_rdma_bc_class sunrpc: remove svc_tcp_bc_class sunrpc: remove unused bc_up operation from rpc_xprt_ops sunrpc: replace svc_serv->sv_bc_xprt by boolean flag sunrpc: use-after-free in svc_process_common() sunrpc: use SVC_NET() in svcauth_gss_* functions nfsd: drop useless LIST_HEAD lockd: Show pid of lockd for remote locks NFSD remove OP_CACHEME from 4.2 op_flags nfsd: Return EPERM, not EACCES, in some SETATTR cases sunrpc: fix cache_head leak due to queued request nfsd: clean up indentation, increase indentation in switch statement svcrdma: Optimize the logic that selects the R_key to invalidate nfsd: fix a warning in __cld_pipe_upcall() nfsd4: fix crash on writing v4_end_grace before nfsd startup ... |
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Daniel Borkmann
|
979d63d50c |
bpf: prevent out of bounds speculation on pointer arithmetic
Jann reported that the original commit back in |
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Daniel Borkmann
|
9b73bfdd08 |
bpf: enable access to ax register also from verifier rewrite
Right now we are using BPF ax register in JIT for constant blinding as well as in interpreter as temporary variable. Verifier will not be able to use it simply because its use will get overridden from the former in bpf_jit_blind_insn(). However, it can be made to work in that blinding will be skipped if there is prior use in either source or destination register on the instruction. Taking constraints of ax into account, the verifier is then open to use it in rewrites under some constraints. Note, ax register already has mappings in every eBPF JIT. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Daniel Borkmann
|
144cd91c4c |
bpf: move tmp variable into ax register in interpreter
This change moves the on-stack 64 bit tmp variable in ___bpf_prog_run() into the hidden ax register. The latter is currently only used in JITs for constant blinding as a temporary scratch register, meaning the BPF interpreter will never see the use of ax. Therefore it is safe to use it for the cases where tmp has been used earlier. This is needed to later on allow restricted hidden use of ax in both interpreter and JITs. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Daniel Borkmann
|
c08435ec7f |
bpf: move {prev_,}insn_idx into verifier env
Move prev_insn_idx and insn_idx from the do_check() function into the verifier environment, so they can be read inside the various helper functions for handling the instructions. It's easier to put this into the environment rather than changing all call-sites only to pass it along. insn_idx is useful in particular since this later on allows to hold state in env->insn_aux_data[env->insn_idx]. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Linus Torvalds
|
74673fc50b |
Merge branch 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull TPM updates from James Morris: - Support for partial reads of /dev/tpm0. - Clean up for TPM 1.x code: move the commands to tpm1-cmd.c and make everything to use the same data structure for building TPM commands i.e. struct tpm_buf. * 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (25 commits) tpm: add support for partial reads tpm: tpm_ibmvtpm: fix kdoc warnings tpm: fix kdoc for tpm2_flush_context_cmd() tpm: tpm_try_transmit() refactor error flow. tpm: use u32 instead of int for PCR index tpm1: reimplement tpm1_continue_selftest() using tpm_buf tpm1: reimplement SAVESTATE using tpm_buf tpm1: rename tpm1_pcr_read_dev to tpm1_pcr_read() tpm1: implement tpm1_pcr_read_dev() using tpm_buf structure tpm: tpm1: rewrite tpm1_get_random() using tpm_buf structure tpm: tpm-space.c remove unneeded semicolon tpm: tpm-interface.c drop unused macros tpm: add tpm_auto_startup() into tpm-interface.c tpm: factor out tpm_startup function tpm: factor out tpm 1.x pm suspend flow into tpm1-cmd.c tpm: move tpm 1.x selftest code from tpm-interface.c tpm1-cmd.c tpm: factor out tpm1_get_random into tpm1-cmd.c tpm: move tpm_getcap to tpm1-cmd.c tpm: move tpm1_pcr_extend to tpm1-cmd.c tpm: factor out tpm_get_timeouts() ... |
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Linus Torvalds
|
d9a7fa67b4 |
Merge branch 'next-seccomp' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull seccomp updates from James Morris: - Add SECCOMP_RET_USER_NOTIF - seccomp fixes for sparse warnings and s390 build (Tycho) * 'next-seccomp' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: seccomp, s390: fix build for syscall type change seccomp: fix poor type promotion samples: add an example of seccomp user trap seccomp: add a return code to trap to userspace seccomp: switch system call argument type to void * seccomp: hoist struct seccomp_data recalculation higher |
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Linus Torvalds
|
f218a29c25 |
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull integrity updates from James Morris: "In Linux 4.19, a new LSM hook named security_kernel_load_data was upstreamed, allowing LSMs and IMA to prevent the kexec_load syscall. Different signature verification methods exist for verifying the kexec'ed kernel image. This adds additional support in IMA to prevent loading unsigned kernel images via the kexec_load syscall, independently of the IMA policy rules, based on the runtime "secure boot" flag. An initial IMA kselftest is included. In addition, this pull request defines a new, separate keyring named ".platform" for storing the preboot/firmware keys needed for verifying the kexec'ed kernel image's signature and includes the associated IMA kexec usage of the ".platform" keyring. (David Howell's and Josh Boyer's patches for reading the preboot/firmware keys, which were previously posted for a different use case scenario, are included here)" * 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: integrity: Remove references to module keyring ima: Use inode_is_open_for_write ima: Support platform keyring for kernel appraisal efi: Allow the "db" UEFI variable to be suppressed efi: Import certificates from UEFI Secure Boot efi: Add an EFI signature blob parser efi: Add EFI signature data types integrity: Load certs to the platform keyring integrity: Define a trusted platform keyring selftests/ima: kexec_load syscall test ima: don't measure/appraise files on efivarfs x86/ima: retry detecting secure boot mode docs: Extend trusted keys documentation for TPM 2.0 x86/ima: define arch_get_ima_policy() for x86 ima: add support for arch specific policies ima: refactor ima_init_policy() ima: prevent kexec_load syscall based on runtime secureboot flag x86/ima: define arch_ima_get_secureboot integrity: support new struct public_key_signature encoding field |
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Santosh kumar pradhan
|
10e037d1e0 |
sunrpc: Add xprt after nfs4_test_session_trunk()
Multipathing: In case of NFSv3, rpc_clnt_test_and_add_xprt() adds the xprt to xprt switch (i.e. xps) if rpc_call_null_helper() returns success. But in case of NFSv4.1, it needs to do EXCHANGEID to verify the path along with check for session trunking. Add the xprt in nfs4_test_session_trunk() only when nfs4_detect_session_trunking() returns success. Also release refcount hold by rpc_clnt_setup_test_and_add_xprt(). Signed-off-by: Santosh kumar pradhan <santoshkumar.pradhan@wdc.com> Tested-by: Suresh Jayaraman <suresh.jayaraman@wdc.com> Reported-by: Aditya Agnihotri <aditya.agnihotri@wdc.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Chuck Lever
|
07e10308ee |
xprtrdma: Prevent leak of rpcrdma_rep objects
If a reply has been processed but the RPC is later retransmitted anyway, the req->rl_reply field still contains the only pointer to the old rpcrdma rep. When the next reply comes in, the reply handler will stomp on the rl_reply field, leaking the old rep. A trace event is added to capture such leaks. This problem seems to be worsened by the restructuring of the RPC Call path in v4.20. Fully addressing this issue will require at least a re-architecture of the disconnect logic, which is not appropriate during -rc. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Chuck Lever
|
dc5820bd21 |
SUNRPC: Simplify defining common RPC trace events
Clean up, no functional change is expected. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Chuck Lever
|
53b2c1cb9b |
xprtrdma: Trace mapping, alloc, and dereg failures
These are rare, but can be helpful at tracking down DMAR and other problems. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Chuck Lever
|
395069fc37 |
xprtrdma: Add trace points for calls to transport switch methods
Name them "trace_xprtrdma_op_*" so they can be easily enabled as a group. No trace point is added where the generic layer already has observability. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Chuck Lever
|
aba1183179 |
xprtrdma: Clean up of xprtrdma chunk trace points
The chunk-related trace points capture nearly the same information as the MR-related trace points. Also, rename them so globbing can be used to enable or disable these trace points more easily. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Chuck Lever
|
6ceea36890 |
xprtrdma: Refactor Receive accounting
Clean up: Divide the work cleanly: - rpcrdma_wc_receive is responsible only for RDMA Receives - rpcrdma_reply_handler is responsible only for RPC Replies - the posted send and receive counts both belong in rpcrdma_ep Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> |
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Linus Torvalds
|
8e143b90e4 |
IOMMU Updates for Linux v4.21
Including (in no particular order): - Page table code for AMD IOMMU now supports large pages where smaller page-sizes were mapped before. VFIO had to work around that in the past and I included a patch to remove it (acked by Alex Williamson) - Patches to unmodularize a couple of IOMMU drivers that would never work as modules anyway. - Work to unify the the iommu-related pointers in 'struct device' into one pointer. This work is not finished yet, but will probably be in the next cycle. - NUMA aware allocation in iommu-dma code - Support for r8a774a1 and r8a774c0 in the Renesas IOMMU driver - Scalable mode support for the Intel VT-d driver - PM runtime improvements for the ARM-SMMU driver - Support for the QCOM-SMMUv2 IOMMU hardware from Qualcom - Various smaller fixes and improvements -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJcKkEoAAoJECvwRC2XARrjCCoQAJxsgaAF5Z0s7z8j2A9SkaGp SIMnUAI5mDOdyhTOAI+eehpRzg5UVYt/JjFYnHz8HWqbSc8YOvDvHafmhMFIwYvO hq5knbs6ns2jJNFO+M4dioDq+3THdqkGIF5xoHdGTP7cn9+XyQ8lAoHo0RuL122U PJGqX7Cp4XnFP4HMb3uQYhVeBV7mU+XqAdB+4aDnQkzI5LkQCRr74GcqOm+Rlnyc cmQWc2arUMjgc1TJIrex8dx9dT6lq8kOmhyEg/IjHeGaZyJ3HqA+30XDDLEExN0G MeVawuxJz40HgXlkXr+iZTQtIFYkXdKvJH6rptMbOfbDeDz+YZ01TbtAMMH9o4jX yxjjMjdcWTsWYQ/MHHdsoMP34cajCi/EYPMNksbycw+E3Y+X/bSReCoWC0HUK8/+ Z4TpZ9mZVygtJR+QNZ+pE9oiJpb4sroM10zTnbMoVHNnvfsO01FYk7FMPkolSKLw zB4MDswQYgchoFR9Z4ZB4PycYTzeafLKYgDPDoD1vIJgDavuidwvDWDRTDc+aMWM siIIewq19To9jDJkVjX4dsT/p99KVKgAR/Ps6jjWkAroha7g6GcmlYZHIJnyop04 jiaSXUsk8aRucP/CRz5xdMmaGoN7BsNmpUjcrquc6Povk/6gvXvpY04oCs1+gNMX ipL9E3GTFCVBubRFrksv =DT9A -----END PGP SIGNATURE----- Merge tag 'iommu-updates-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU updates from Joerg Roedel: - Page table code for AMD IOMMU now supports large pages where smaller page-sizes were mapped before. VFIO had to work around that in the past and I included a patch to remove it (acked by Alex Williamson) - Patches to unmodularize a couple of IOMMU drivers that would never work as modules anyway. - Work to unify the the iommu-related pointers in 'struct device' into one pointer. This work is not finished yet, but will probably be in the next cycle. - NUMA aware allocation in iommu-dma code - Support for r8a774a1 and r8a774c0 in the Renesas IOMMU driver - Scalable mode support for the Intel VT-d driver - PM runtime improvements for the ARM-SMMU driver - Support for the QCOM-SMMUv2 IOMMU hardware from Qualcom - Various smaller fixes and improvements * tag 'iommu-updates-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (78 commits) iommu: Check for iommu_ops == NULL in iommu_probe_device() ACPI/IORT: Don't call iommu_ops->add_device directly iommu/of: Don't call iommu_ops->add_device directly iommu: Consolitate ->add/remove_device() calls iommu/sysfs: Rename iommu_release_device() dmaengine: sh: rcar-dmac: Use device_iommu_mapped() xhci: Use device_iommu_mapped() powerpc/iommu: Use device_iommu_mapped() ACPI/IORT: Use device_iommu_mapped() iommu/of: Use device_iommu_mapped() driver core: Introduce device_iommu_mapped() function iommu/tegra: Use helper functions to access dev->iommu_fwspec iommu/qcom: Use helper functions to access dev->iommu_fwspec iommu/of: Use helper functions to access dev->iommu_fwspec iommu/mediatek: Use helper functions to access dev->iommu_fwspec iommu/ipmmu-vmsa: Use helper functions to access dev->iommu_fwspec iommu/dma: Use helper functions to access dev->iommu_fwspec iommu/arm-smmu: Use helper functions to access dev->iommu_fwspec ACPI/IORT: Use helper functions to access dev->iommu_fwspec iommu: Introduce wrappers around dev->iommu_fwspec ... |
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|
Linus Torvalds
|
78e8696c23 |
dmaengine-4.21-rc1
dmaengine updates for v4.21-rc1 - New driver for UniPhier MIO DMA controller - Remove R-Mobile APE6 support - Sprd driver updates and support for cyclic link-list - Remove dma_slave_config direction usage from rest of drivers - Minor updates to dmatest, dw-dmac, zynqmp and bcm dma drivers -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJcKipaAAoJEHwUBw8lI4NH87kQAJF5tSQzvh4alAwntJ+rNZfw bgiUW29f7PxEzEGDsTBuFsw9zPhGxPnwtXzLm2iSDBGqkEcwKc+yretuX3Pgkce+ IpPkCBGcfXptSJxFz4XxBi3HCkZ+jlhy33pH+hkW/tA4SIcA+VJjfQLePiY3sVMO 1QUFDaL9NEyEfgJTmUShaPvCiz+3OHjY/3LAMlbLqQer4C9zC3iyvZIf9lvPQQnt qJaFuEiqlhw6eOAGw+2frMYDEV57QEiRgghBZyFm5RxG19XCcPkVV9id22rz5TQb +mQXhyaLvDiztWf71dFlXW2nW8mjewcjNU4h5g3RTyLA7fpLNcpMyZY2WizIADVS x6a7/HSrDjD4CN6pGDmRi8vvqkTAEDCsrfUM6K43rAsoZzU5elVJwOv4m8WB3CCF pRlUwFi6ENt8Ov8CWgCCaY0/Bzj1FgjN3BY87amBsI9wF4fkpCPNdWw34a6lg1Kf SzyPty8Z+i+6rtKps7Mh9VOZI2tryPJzyAWrcOCDWQoiR/RWzgC3y6SuwCdiyaDf 8hFV4xnB0oVJ8vsTjF1AgxVwEsqQ7TVTIsLAns6jEnTC5FAnOLd0iwh56a+rw+lR 7e1iuQYllZ1rdMi+r5gWG4OCsZehmZgCqc250om51tzA1SDVDQ3bbx8clxZeha80 AKr5MVrIVp7riYFEICvp =+pTt -----END PGP SIGNATURE----- Merge tag 'dmaengine-4.21-rc1' of git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine updates from Vinod Koul: "This includes a new driver, removes R-Mobile APE6 as it is no longer used, sprd cyclic dma support, last batch of dma_slave_config direction removal and random updates to bunch of drivers. Summary: - New driver for UniPhier MIO DMA controller - Remove R-Mobile APE6 support - Sprd driver updates and support for cyclic link-list - Remove dma_slave_config direction usage from rest of drivers - Minor updates to dmatest, dw-dmac, zynqmp and bcm dma drivers" * tag 'dmaengine-4.21-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (48 commits) dmaengine: qcom_hidma: convert to DEFINE_SHOW_ATTRIBUTE dmaengine: pxa: remove DBGFS_FUNC_DECL() dmaengine: mic_x100_dma: convert to DEFINE_SHOW_ATTRIBUTE dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE dmaengine: Documentation: Add documentation for multi chan testing dmaengine: dmatest: Add transfer_size parameter dmaengine: dmatest: Add alignment parameter dmaengine: dmatest: Use fixed point div to calculate iops dmaengine: dmatest: Add support for multi channel testing dmaengine: rcar-dmac: Document R8A774C0 bindings dt-bindings: dmaengine: usb-dmac: Add binding for r8a774c0 dmaengine: zynqmp_dma: replace spin_lock_bh with spin_lock_irqsave dmaengine: sprd: Add me as one of the module authors dmaengine: sprd: Support DMA 2-stage transfer mode dmaengine: sprd: Support DMA link-list cyclic callback dmaengine: sprd: Set cur_desc as NULL when free or terminate one dma channel dmaengine: sprd: Fix the last link-list configuration dmaengine: sprd: Get transfer residue depending on the transfer direction dmaengine: sprd: Remove direction usage from struct dma_slave_config dmaengine: dmatest: fix a small memory leak in dmatest_func() ... |
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|
Linus Torvalds
|
fcf010449e |
kgdb patches for 4.20-rc1
Mostly clean ups although whilst Doug's was chasing down a odd
lockdep warning he also did some work to improved debugger resilience
when some CPUs fail to respond to the round up request.
The main changes are:
* Fixing a lockdep warning on architectures that cannot use an NMI for
the round up plus related changes to make CPU round up and all CPU
backtrace more resilient.
* Constify the arch ops tables
* A couple of other small clean ups
Two of the three patchsets here include changes that spill over into
arch/. Changes in the arch space are relatively narrow in scope
(and directly related to kgdb). Didn't get comprehensive acks but
all impacted maintainers were Cc:ed in good time.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"Mostly clean ups although while Doug's was chasing down a odd lockdep
warning he also did some work to improved debugger resilience when
some CPUs fail to respond to the round up request.
The main changes are:
- Fixing a lockdep warning on architectures that cannot use an NMI
for the round up plus related changes to make CPU round up and all
CPU backtrace more resilient.
- Constify the arch ops tables
- A couple of other small clean ups
Two of the three patchsets here include changes that spill over into
arch/. Changes in the arch space are relatively narrow in scope (and
directly related to kgdb). Didn't get comprehensive acks but all
impacted maintainers were Cc:ed in good time"
* tag 'kgdb-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kgdb/treewide: constify struct kgdb_arch arch_kgdb_ops
mips/kgdb: prepare arch_kgdb_ops for constness
kdb: use bool for binary state indicators
kdb: Don't back trace on a cpu that didn't round up
kgdb: Don't round up a CPU that failed rounding up before
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
kgdb: Remove irq flags from roundup
|
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|
Linus Torvalds
|
28e8c4bc8e |
RTC for 4.21
Subsystem: - new %ptR printk format - rename core files - allow registration of multiple nvmem devices New driver: - i.MX system controller RTC Drivers: - abx80x: handle voltage ioctls, correct binding doc - m41t80: correct month in alarm reads - pcf85363: add pcf85263 support - pcf8523: properly handle battery low flag - s3c: limit alarm to one year in the future as ALMYEAR is broken - sun6i: rework clock output binding -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEXx9Viay1+e7J/aM4AyWl4gNJNJIFAlwqU44ACgkQAyWl4gNJ NJJjGxAAgQMTkarMx16icKpN35iuXgwZdIKKmWIHGyCJeB1ykHS8TgwkP+4pE1aN UwTw6x9TBxa9KpuexCgrx8/zppM0i1jacaxJkDbrj1OBPAlGrbJrwcSH029qHAu6 N1Oo0GvAIPlEmIJkKVWkgZhGqUwvMvcy2amk06S92PPOIfr5zJsRzNmduEE7bpcl 86EckuFOp9c1p4IayeQhIT+GHPtum4WkmGVw3+j0j/E6aCUD3thLohT+KuGfzzKn jHbtZ+/d17etKtxxI26YrmixH603t66ZSuc64rSvKRKYR8u/qqR3ZTotYVonsPHj NNQsWiNRzwkpiN9n1Big0tLJyXJ6qbYQIrJLMc19Jr10tS815WF5rjmNinfdSazX 4xucIJpMh7VgA3W5BpvN1+UEahiznp2QGiLjauoruMrB7XUUSLPv6VohFiKAfd9S 7SyV2moPWVnj4pJPH6Af2zVLE9YyPoWGvUSwosLZKhpoFNLOnVZAU0vo32M/23wv ejv4YPhtqxqT94XUyrWKE1DaTpxMqBHcHj2ThV+NGCWe4C0+KfW0zmbKm1X588UJ ZhmGODV9acU+46It5mFoE2Zb9WPyEwljjxbvXKQZhdONKIoZ6lz1i7nzy6C2qerQ ZW5baiaCvQ5e/NyWLxEZwvHukBo2OBxkXe8isuk/wz+7Qyw3l34= =5He5 -----END PGP SIGNATURE----- Merge tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Subsystem: - new %ptR printk format - rename core files - allow registration of multiple nvmem devices New driver: - i.MX system controller RTC Driver updates: - abx80x: handle voltage ioctls, correct binding doc - m41t80: correct month in alarm reads - pcf85363: add pcf85263 support - pcf8523: properly handle battery low flag - s3c: limit alarm to one year in the future as ALMYEAR is broken - sun6i: rework clock output binding" * tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (54 commits) rtc: rename core files rtc: nvmem: fix possible use after free rtc: add i.MX system controller RTC support dt-bindings: fsl: scu: add rtc binding rtc: pcf2123: Add Microcrystal rv2123 rtc: class: reimplement devm_rtc_device_register rtc: enforce rtc_timer_init private_data type rtc: abx80x: Implement RTC_VL_READ,CLR ioctls rtc: pcf85363: Add support for NXP pcf85263 rtc dt-bindings: rtc: pcf85363: Document pcf85263 real-time clock rtc: pcf8523: don't return invalid date when battery is low dt-bindings: rtc: use a generic node name for ds1307 PM: Switch to use %ptR m68k/mac: Switch to use %ptR Input: hp_sdc_rtc - Switch to use %ptR rtc: tegra: Switch to use %ptR rtc: s5m: Switch to use %ptR rtc: s3c: Switch to use %ptR rtc: rx8025: Switch to use %ptR rtc: rx6110: Switch to use %ptR ... |
||
|
Linus Torvalds
|
c9bef4a651 |
Pin control bulk changes for the v4.21 kernel cycle:
No core changes this time.
New drivers:
- NXP (ex Freescale) i.MX 8 QXP SoC driver.
- Mediatek MT6797 SoC driver.
- Mediatek MT7629 SoC driver.
- Actions Semiconductor S700 SoC driver.
- Renesas RZ/A2 SoC driver.
- Allwinner sunxi suniv F1C100 SoC driver.
- Qualcomm PMS405 PMIC driver.
- Microsemi Ocelot Jaguar2 SoC driver.
Improvements:
- Some RT improvements (using raw spinlocks where appropriate).
- A lot of new pin sets on the Renesas PFC pin controllers.
- GPIO hogs now work on the Qualcomm SPMI/SSBI pin controller GPIO
chips, and Xway.
- Major modernization of the Intel pin control drivers.
- STM32 pin control driver will now synchronize usage of pins
with another CPU using a hardware spinlock.
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Merge tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"We have no core changes but lots of incremental development in drivers
all over the place: Renesas, NXP, Mediatek and Actions Semiconductor
keep churning out new SoCs.
I have some subtree maintainers for Renesas and Intel helping out to
keep down the load, it's been working smoothly (Samsung also have a
subtree but it was not used this cycle.)
New drivers:
- NXP (ex Freescale) i.MX 8 QXP SoC driver.
- Mediatek MT6797 SoC driver.
- Mediatek MT7629 SoC driver.
- Actions Semiconductor S700 SoC driver.
- Renesas RZ/A2 SoC driver.
- Allwinner sunxi suniv F1C100 SoC driver.
- Qualcomm PMS405 PMIC driver.
- Microsemi Ocelot Jaguar2 SoC driver.
Improvements:
- Some RT improvements (using raw spinlocks where appropriate).
- A lot of new pin sets on the Renesas PFC pin controllers.
- GPIO hogs now work on the Qualcomm SPMI/SSBI pin controller GPIO
chips, and Xway.
- Major modernization of the Intel pin control drivers.
- STM32 pin control driver will now synchronize usage of pins with
another CPU using a hardware spinlock"
* tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (145 commits)
dt-bindings: arm: fsl-scu: add imx8qm pinctrl support
pinctrl: freescale: Break dependency on SOC_IMX8MQ for i.MX8MQ
pinctrl: imx-scu: Depend on IMX_SCU
pinctrl: ocelot: Add dependency on HAS_IOMEM
pinctrl: ocelot: add MSCC Jaguar2 support
pinctrl: bcm: ns: support updated DT binding as syscon subnode
dt-bindings: pinctrl: bcm4708-pinmux: rework binding to use syscon
MAINTAINERS: merge at91 pinctrl entries
pinctrl: imx8qxp: break the dependency on SOC_IMX8QXP
pinctrl: uniphier: constify uniphier_pinctrl_socdata
pinctrl: mediatek: improve Kconfig dependencies
pinctrl: msm: mark PM functions as __maybe_unused
dt-bindings: pinctrl: sunxi: Add supply properties
pinctrl: meson: meson8b: add the missing GPIO_GROUPs for BOOT and CARD
pinctrl: meson: meson8: add the missing GPIO_GROUPs for BOOT and CARD
pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
pinctrl: meson: meson8b: fix the GPIO function for the GPIOAO pins
pinctrl: meson: meson8: fix the GPIO function for the GPIOAO pins
pinctrl: sh-pfc: Make pinmux_cfg_reg.var_field_width[] variable-length
...
|
||
|
Linus Torvalds
|
115502a6f3 |
linux-watchdog 4.21-rc1 tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAlwopYUACgkQ+iyteGJfRsqOZwCfXM0u0XQJS6TZFtEOZp5gKq+d f/4AnRXcblmb1wJiEVItizB03leOWHqk =jry0 -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-4.21-rc1' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - add TQ-Systems TQMX86 watchdog driver - add Qualcomm PM8916 watchdog driver - w83627hf_wdt: add quirk for Inves system - renesas_wdt: several improvements and document r8a774c0 support - mena21_wdt, mtx-1: Convert to use GPIO descriptor - bcm281xx, ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE - documentation: add PM usage and kernel-api: don't reference removed functions - update bindings for MT7629 SoC - several small fixes * tag 'linux-watchdog-4.21-rc1' of git://www.linux-watchdog.org/linux-watchdog: (22 commits) watchdog: tqmx86: Add watchdog driver for the IO controller dt-bindings: watchdog: renesas-wdt: Document r8a774c0 support watchdog: docs: kernel-api: don't reference removed functions watchdog: add documentation for PM usage watchdog: mtx-1: Convert to use GPIO descriptor watchdog: mena21_wdt: Convert to GPIO descriptors dt-bindings: watchdog: Add Qualcomm PM8916 watchdog watchdog: Add pm8916 watchdog driver dt-bindings: watchdog: update bindings for MT7629 SoC watchdog: renesas_wdt: don't keep timer value during suspend/resume watchdog: ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE watchdog: bcm281xx: convert to DEFINE_SHOW_ATTRIBUTE watchdog: asm9260_wdt: make array mode_name static, shrinks object size watchdog/hpwdt: Update driver version. watchdog/hpwdt: Do not claim unsupported hardware watchdog/hpwdt: Exclude via blacklist Watchdog: remove outdated comment watchdog: w83627hf_wdt: Add quirk for Inves system watchdog: cpwd: add of_node_put() watchdog: renesas_wdt: don't set divider while watchdog is running ... |
||
Willem de Bruijn
|
cb9f1b7838 |
ip: validate header length on virtual device xmit
KMSAN detected read beyond end of buffer in vti and sit devices when passing truncated packets with PF_PACKET. The issue affects additional ip tunnel devices. Extend commit |
||
Cong Wang
|
aff6db4545 |
ptr_ring: wrap back ->producer in __ptr_ring_swap_queue()
__ptr_ring_swap_queue() tries to move pointers from the old
ring to the new one, but it forgets to check if ->producer
is beyond the new size at the end of the operation. This leads
to an out-of-bound access in __ptr_ring_produce() as reported
by syzbot.
Reported-by: syzbot+8993c0fa96d57c399735@syzkaller.appspotmail.com
Fixes:
|
||
Deepa Dinamani
|
3a0ed3e961 |
sock: Make sock->sk_stamp thread-safe
Al Viro mentioned (Message-ID
<20170626041334.GZ10672@ZenIV.linux.org.uk>)
that there is probably a race condition
lurking in accesses of sk_stamp on 32-bit machines.
sock->sk_stamp is of type ktime_t which is always an s64.
On a 32 bit architecture, we might run into situations of
unsafe access as the access to the field becomes non atomic.
Use seqlocks for synchronization.
This allows us to avoid using spinlocks for readers as
readers do not need mutual exclusion.
Another approach to solve this is to require sk_lock for all
modifications of the timestamps. The current approach allows
for timestamps to have their own lock: sk_stamp_lock.
This allows for the patch to not compete with already
existing critical sections, and side effects are limited
to the paths in the patch.
The addition of the new field maintains the data locality
optimizations from
commit
|
||
|
Linus Torvalds
|
b7badd1d7a |
ARM: Device-tree updates
As usual, this is where the bulk of our changes end up landing each merge window. The individual updates are too many to enumerate, many many platforms have seen additions of device descriptions such that they are functionally more complete (in fact, this is often the bulk of updates we see). Instead I've mostly focused on highlighting the new platforms below as they are introduced. Sometimes the introduction is of mostly a fragment, that later gets filled in on later releases, and in some cases it's near-complete platform support. The latter is more common for derivative platforms that already has similar support in-tree. Two SoCs are slight outliers from the usual range of additions. Allwinner support for F1C100s, a quite old SoC (ARMv5-based) shipping in the Lychee Pi Nano platform. At the other end is NXP Layerscape LX2160A, a 16-core 2.2GHz Cortex-A72 SoC with a large amount of I/O aimed at infrastructure/networking. TI updates stick out in the diff stats too, in particular because they have moved the description of their L4 on-chip interconnect to devicetree, which opens up for removal of even more of their platform-specific 'hwmod' description tables over the next few releases. SoCs: - Qualcomm QCS404 (4x Cortex-A53) - Allwinner T3 (rebranded R40) and f1c100s (armv5) - NXP i.MX7ULP (1x Cortex-A7 + 1x Cortex-M4) - NXP LS1028A (2x Cortex-A72), LX2160A (16x Cortex-A72) New platforms: - Rockchip: Gru Scarlet (RK3188 Tablet) - Amlogic: Phicomm N1 (S905D), Libretech S805-AC - Broadcom: Linksys EA6500 v2 Wi-Fi router (BCM4708) - Qualcomm: QCS404 base platform and EVB - Qualcomm: Remove of Arrow SD600 - PXA: First PXA3xx DT board: Raumfeld - Aspeed: Facebook Backpack-CMM BMC - Renesas iWave G20D-Q7 (RZ/G1N) - Allwinner t3-cqa3t-bv3 (T3/R40) and Lichee Pi Nano (F1C100s) - Allwinner Emlid Neutis N5, Mapleboard MP130 - Marvell Macchiatobin Single Shot (Armada 8040, no 10GbE) - i.MX: mtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva - VF610: Liebherr's BK4 device, ZII SCU4 AIB board - i.MX7D PICO Hobbit baseboard - i.MX7ULP EVK board - NXP LX2160AQDS and LX2160ARDB boards Other: - Coresight binding updates across the board - CPU cooling maps updates across the board -----BEGIN PGP SIGNATURE----- iQJDBAABCAAtFiEElf+HevZ4QCAJmMQ+jBrnPN6EHHcFAlwqgVYPHG9sb2ZAbGl4 b20ubmV0AAoJEIwa5zzehBx3ybAQAKAhd7XI5oY/wgdZZmxwcX+p7sU6LXeIlpWU XsPN1c14KU0siQv/znVA5OpF+fgn9eRqfWnMoDPlvdScTq07FM2NBmOJfVJYDPJa uvsll5m+84FCYanIR//YybS0tCM0b0BHoHo2DoyIxWeAwmw7BBVslddBdNg6R7hG S9rU9rUeqfCj7HbcPLqVn0DecMtEe7R8zmDtG1CSMqrhncifmoV4gtUnbYAg0GGT cSvj/zT8A1j0oJcU2Upl/Fr+7WJ7XB9pnku91nUOSXLv5VkyctLGomKq5F7O2/Xs 2DhpH2yKwQt7S7TDiDd0jy64Of6+Xup35wEHevCeKrzGXcVRqqHwCkanLz9FdjVt yg4UrI/P1nY7h4ifZPplgigv+kA+IjRGiMrTRIEgSE5YK9U5AYkgembTWksRDikd 5EpeJcMj2tBv4SDellNNtzh6GGTPBf3GJw3P9uRuxnQY/T31N2eX0XGeRikL+Lzf 9nbQdJealmql3rCa5oFEJwSxrSaAv/ub7/294kPdEmXj8+3qUuH3hZAZOI9LSXGW GCuxsgccB2GF1M48x48/QpHgxb93okyXmndONZnU8uN8ba0zS4b8QLwvIY5rqv5Z kqD1VPBQf9kGVyzDyABRjFmGCDJcoOJf4QrzvNk9+xo8fXVk1xNtxu4MUsHvc2lS cU2RYWm/ =sFVi -----END PGP SIGNATURE----- Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM Device-tree updates from Olof Johansson: "As usual, this is where the bulk of our changes end up landing each merge window. The individual updates are too many to enumerate, many many platforms have seen additions of device descriptions such that they are functionally more complete (in fact, this is often the bulk of updates we see). Instead I've mostly focused on highlighting the new platforms below as they are introduced. Sometimes the introduction is of mostly a fragment, that later gets filled in on later releases, and in some cases it's near-complete platform support. The latter is more common for derivative platforms that already has similar support in-tree. Two SoCs are slight outliers from the usual range of additions. Allwinner support for F1C100s, a quite old SoC (ARMv5-based) shipping in the Lychee Pi Nano platform. At the other end is NXP Layerscape LX2160A, a 16-core 2.2GHz Cortex-A72 SoC with a large amount of I/O aimed at infrastructure/networking. TI updates stick out in the diff stats too, in particular because they have moved the description of their L4 on-chip interconnect to devicetree, which opens up for removal of even more of their platform-specific 'hwmod' description tables over the next few releases. SoCs: - Qualcomm QCS404 (4x Cortex-A53) - Allwinner T3 (rebranded R40) and f1c100s (armv5) - NXP i.MX7ULP (1x Cortex-A7 + 1x Cortex-M4) - NXP LS1028A (2x Cortex-A72), LX2160A (16x Cortex-A72) New platforms: - Rockchip: Gru Scarlet (RK3188 Tablet) - Amlogic: Phicomm N1 (S905D), Libretech S805-AC - Broadcom: Linksys EA6500 v2 Wi-Fi router (BCM4708) - Qualcomm: QCS404 base platform and EVB - Qualcomm: Remove of Arrow SD600 - PXA: First PXA3xx DT board: Raumfeld - Aspeed: Facebook Backpack-CMM BMC - Renesas iWave G20D-Q7 (RZ/G1N) - Allwinner t3-cqa3t-bv3 (T3/R40) and Lichee Pi Nano (F1C100s) - Allwinner Emlid Neutis N5, Mapleboard MP130 - Marvell Macchiatobin Single Shot (Armada 8040, no 10GbE) - i.MX: mtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva - VF610: Liebherr's BK4 device, ZII SCU4 AIB board - i.MX7D PICO Hobbit baseboard - i.MX7ULP EVK board - NXP LX2160AQDS and LX2160ARDB boards Other: - Coresight binding updates across the board - CPU cooling maps updates across the board" * tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (648 commits) ARM: dts: suniv: Fix improper bindings include patch ARM: dts: sunxi: Enable Broadcom-based Bluetooth for multiple boards arm64: dts: allwinner: a64: bananapi-m64: Add Bluetooth device node ARM: dts: suniv: Fix improper bindings include patch arm64: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller arm64: dts: Remove unused properties from FSL QSPI driver nodes ARM: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller ARM: dts: imx6sx-sdb: Fix the reg properties for the FSL QSPI nodes ARM: dts: Remove unused properties from FSL QSPI driver nodes arm64: dts: ti: k3-am654: Enable main domain McSPI0 arm64: dts: ti: k3-am654: Add McSPI DT nodes arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM arm64: dts: ti: k3-am65-main: Add ECAP PWM node arm64: dts: ti: k3-am654-base-board: Add I2C nodes arm64: dts: ti: am654-base-board: Add pinmux for main uart0 arm64: dts: ti: k3-am65: Add pinctrl regions dt-bindings: pinctrl: k3: Introduce pinmux definitions ARM: dts: exynos: Specify I2S assigned clocks in proper node ARM: dts: exynos: Add missing CPUs in cooling maps for Odroid X2 ... |
||
|
Linus Torvalds
|
d36377c6eb |
ARM: SoC driver updates
Misc driver updates for platforms, many of them power related.
- Rockchip adds power domain support for rk3066 and rk3188
- Amlogic adds a power measurement driver
- Allwinner adds SRAM support for three platforms (F1C100, H5, A64 C1)
- Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
- Broadcom fixes suspend/resume with Thumb2 kernels, and improves
stability of a handful of firmware/platform interfaces
- PXA completes their conversion to dmaengine framework
- Renesas does a bunch of PM cleanups across many platforms
- Tegra adds support for suspend/resume on T186/T194, which includes
some driver cleanups and addition of wake events
- Tegra also adds a driver for memory controller (EMC) on Tegra2
- i.MX tweaks power domain bindings, and adds support for i.MX8MQ in GPC
- Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
+ misc cleanups across several platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Misc driver updates for platforms, many of them power related.
- Rockchip adds power domain support for rk3066 and rk3188
- Amlogic adds a power measurement driver
- Allwinner adds SRAM support for three platforms (F1C100, H5, A64
C1)
- Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
- Broadcom fixes suspend/resume with Thumb2 kernels, and improves
stability of a handful of firmware/platform interfaces
- PXA completes their conversion to dmaengine framework
- Renesas does a bunch of PM cleanups across many platforms
- Tegra adds support for suspend/resume on T186/T194, which includes
some driver cleanups and addition of wake events
- Tegra also adds a driver for memory controller (EMC) on Tegra2
- i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
GPC
- Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
and misc cleanups across several platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
memory: omap-gpmc: Use of_node_name_eq for node name comparisons
bus: ti-sysc: Check for no-reset and no-idle flags at the child level
ARM: OMAP2+: Check also the first dts child for hwmod flags
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
dmaengine: pxa: make the filter function internal
...
|
||
|
Linus Torvalds
|
495d714ad1 |
Tracing changes for v4.21:
- Rework of the kprobe/uprobe and synthetic events to consolidate all
the dynamic event code. This will make changes in the future easier.
- Partial rewrite of the function graph tracing infrastructure.
This will allow for multiple users of hooking onto functions
to get the callback (return) of the function. This is the ground
work for having kprobes and function graph tracer using one code base.
- Clean up of the histogram code that will facilitate adding more
features to the histograms in the future.
- Addition of str_has_prefix() and a few use cases. There currently
is a similar function strstart() that is used in a few places, but
only returns a bool and not a length. These instances will be
removed in the future to use str_has_prefix() instead.
- A few other various clean ups as well.
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Merge tag 'trace-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- Rework of the kprobe/uprobe and synthetic events to consolidate all
the dynamic event code. This will make changes in the future easier.
- Partial rewrite of the function graph tracing infrastructure. This
will allow for multiple users of hooking onto functions to get the
callback (return) of the function. This is the ground work for having
kprobes and function graph tracer using one code base.
- Clean up of the histogram code that will facilitate adding more
features to the histograms in the future.
- Addition of str_has_prefix() and a few use cases. There currently is
a similar function strstart() that is used in a few places, but only
returns a bool and not a length. These instances will be removed in
the future to use str_has_prefix() instead.
- A few other various clean ups as well.
* tag 'trace-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (57 commits)
tracing: Use the return of str_has_prefix() to remove open coded numbers
tracing: Have the historgram use the result of str_has_prefix() for len of prefix
tracing: Use str_has_prefix() instead of using fixed sizes
tracing: Use str_has_prefix() helper for histogram code
string.h: Add str_has_prefix() helper function
tracing: Make function ‘ftrace_exports’ static
tracing: Simplify printf'ing in seq_print_sym
tracing: Avoid -Wformat-nonliteral warning
tracing: Merge seq_print_sym_short() and seq_print_sym_offset()
tracing: Add hist trigger comments for variable-related fields
tracing: Remove hist trigger synth_var_refs
tracing: Use hist trigger's var_ref array to destroy var_refs
tracing: Remove open-coding of hist trigger var_ref management
tracing: Use var_refs[] for hist trigger reference checking
tracing: Change strlen to sizeof for hist trigger static strings
tracing: Remove unnecessary hist trigger struct field
tracing: Fix ftrace_graph_get_ret_stack() to use task and not current
seq_buf: Use size_t for len in seq_buf_puts()
seq_buf: Make seq_buf_puts() null-terminate the buffer
arm64: Use ftrace_graph_get_ret_stack() instead of curr_ret_stack
...
|
||
Vasily Averin
|
0ad30ff67b |
nfs: fixed broken compilation in nfs_callback_up_net()
Patch fixes compilation error in nfs_callback_up_net()
serv->sv_bc_enabled is defined under enabled CONFIG_SUNRPC_BACKCHANNEL,
however nfs_callback_up_net() can access it even if this config option
was not set.
Fixes:
|
||
Vinod Koul
|
990beed934 | Merge branch 'topic/sprd' into for-linus | ||
|
Vinod Koul
|
f782086a49 | Merge branch 'topic/sh' into for-linus | ||
|
Vinod Koul
|
56e8e1a118 | Merge branch 'topic/sa11x0' into for-linus | ||
Christophe Leroy
|
cc0282975b |
kgdb/treewide: constify struct kgdb_arch arch_kgdb_ops
checkpatch.pl reports the following: WARNING: struct kgdb_arch should normally be const #28: FILE: arch/mips/kernel/kgdb.c:397: +struct kgdb_arch arch_kgdb_ops = { This report makes sense, as all other ops struct, this one should also be const. This patch does the change. Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: Ley Foon Tan <lftan@altera.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: x86@kernel.org Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Acked-by: Borislav Petkov <bp@suse.de> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> |
||
Douglas Anderson
|
3cd99ac355 |
kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
When I had lockdep turned on and dropped into kgdb I got a nice splat on my system. Specifically it hit: DEBUG_LOCKS_WARN_ON(current->hardirq_context) Specifically it looked like this: sysrq: SysRq : DEBUG ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(current->hardirq_context) WARNING: CPU: 0 PID: 0 at .../kernel/locking/lockdep.c:2875 lockdep_hardirqs_on+0xf0/0x160 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0 #27 pstate: 604003c9 (nZCv DAIF +PAN -UAO) pc : lockdep_hardirqs_on+0xf0/0x160 ... Call trace: lockdep_hardirqs_on+0xf0/0x160 trace_hardirqs_on+0x188/0x1ac kgdb_roundup_cpus+0x14/0x3c kgdb_cpu_enter+0x53c/0x5cc kgdb_handle_exception+0x180/0x1d4 kgdb_compiled_brk_fn+0x30/0x3c brk_handler+0x134/0x178 do_debug_exception+0xfc/0x178 el1_dbg+0x18/0x78 kgdb_breakpoint+0x34/0x58 sysrq_handle_dbg+0x54/0x5c __handle_sysrq+0x114/0x21c handle_sysrq+0x30/0x3c qcom_geni_serial_isr+0x2dc/0x30c ... ... irq event stamp: ...45 hardirqs last enabled at (...44): [...] __do_softirq+0xd8/0x4e4 hardirqs last disabled at (...45): [...] el1_irq+0x74/0x130 softirqs last enabled at (...42): [...] _local_bh_enable+0x2c/0x34 softirqs last disabled at (...43): [...] irq_exit+0xa8/0x100 ---[ end trace adf21f830c46e638 ]--- Looking closely at it, it seems like a really bad idea to be calling local_irq_enable() in kgdb_roundup_cpus(). If nothing else that seems like it could violate spinlock semantics and cause a deadlock. Instead, let's use a private csd alongside smp_call_function_single_async() to round up the other CPUs. Using smp_call_function_single_async() doesn't require interrupts to be enabled so we can remove the offending bit of code. In order to avoid duplicating this across all the architectures that use the default kgdb_roundup_cpus(), we'll add a "weak" implementation to debug_core.c. Looking at all the people who previously had copies of this code, there were a few variants. I've attempted to keep the variants working like they used to. Specifically: * For arch/arc we passed NULL to kgdb_nmicallback() instead of get_irq_regs(). * For arch/mips there was a bit of extra code around kgdb_nmicallback() NOTE: In this patch we will still get into trouble if we try to round up a CPU that failed to round up before. We'll try to round it up again and potentially hang when we try to grab the csd lock. That's not new behavior but we'll still try to do better in a future patch. Suggested-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Douglas Anderson <dianders@chromium.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> |
||
|
Douglas Anderson
|
9ef7fa507d |
kgdb: Remove irq flags from roundup
The function kgdb_roundup_cpus() was passed a parameter that was documented as: > the flags that will be used when restoring the interrupts. There is > local_irq_save() call before kgdb_roundup_cpus(). Nobody used those flags. Anyone who wanted to temporarily turn on interrupts just did local_irq_enable() and local_irq_disable() without looking at them. So we can definitely remove the flags. Signed-off-by: Douglas Anderson <dianders@chromium.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org> |
||
|
Linus Torvalds
|
668c35f69c |
Kbuild updates for v4.21
Kbuild core: - remove unneeded $(call cc-option,...) switches - consolidate Clang compiler flags into CLANG_FLAGS - announce the deprecation of SUBDIRS - fix single target build for external module - simplify the dependencies of 'prepare' stage targets - allow fixdep to directly write to .*.cmd files - simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS - change if_changed_rule to accept multi-line recipe - move .SECONDARY special target to scripts/Kbuild.include - remove redundant 'set -e' - improve parallel execution for CONFIG_HEADERS_CHECK - misc cleanups Treewide fixes and cleanups - set Clang flags correctly for PowerPC boot images - fix UML build error with CONFIG_GCC_PLUGINS - remove unneeded patterns from .gitignore files - refactor firmware/Makefile - remove unneeded rules for *offsets.s - avoid unneeded regeneration of intermediate .s files - clean up ./Kbuild Modpost: - remove unused -M, -K options - fix false positive warnings about section mismatch - use simple devtable lookup instead of linker magic - misc cleanups Coccinelle: - relax boolinit.cocci checks for overall consistency - fix warning messages of boolinit.cocci Other tools: - improve -dirty check of scripts/setlocalversion - add a tool to generate compile_commands.json from .*.cmd files -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJcJiVeAAoJED2LAQed4NsGXEMP/1fdkBfZGxYlxp4w1tEBeRKZ GInxxMfHiHZlu7nFPQ3k1mncczZjeLbnKcLaybnPmqBSfQe1F7tN0ux1sHtWkVfI DvqoKaHObZ3lEMEVxCHXQ2bKrN/j9nB2xSxzr4dvc9DscW8dwKElZuKVE7nHKdhl z70xsalxHGEGY6hptJrucbv8KTBOSleZ8Gaat79sEDkDSLCTjxXB3WcVMWqDT0M/ IqN5QCwiPjZC3UCwuqq6+vnG1gyvDUORcbrVgHrBIKxLYAABYzugB5IlLpi8B31C ZUDmijSTandHd4SG5gw5uZoyYuK4YhZeI7g4yNyXSqnPurmcJxrGdpiuwRcE7xet 5yB2uaNbAFO6Fbz4gUdDEvryA9IZEPPn1Z0Btfpp7UOxiWEqE61oHReCNdkiad94 Oonl+ROZw5UOT3AZD3xCZTf9bTnQoCFccHTmnbaKqqSiDWxxLUXum7sNfnJ6GXEb fNQDuwuxtsPStaWoU93QNrGyl5e8jYTKFdphUCnZZ2/hE8ygoQ06PYmeBAk+UKfN UI2IqR8PHgmA97XJg+fHhbw6X4nQcPsg/usLqxGItAZNO2O4uXgaN24dOcHG74Bu 2Dk/gQQB2sVB/Dxfmlaxvvj98MVg7IMtpusAT2bQ7miiSS3EqPFT8KQMZYLICWuZ u7QQe20yCho3ZULmsRwH =0PCt -----END PGP SIGNATURE----- Merge tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: "Kbuild core: - remove unneeded $(call cc-option,...) switches - consolidate Clang compiler flags into CLANG_FLAGS - announce the deprecation of SUBDIRS - fix single target build for external module - simplify the dependencies of 'prepare' stage targets - allow fixdep to directly write to .*.cmd files - simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS - change if_changed_rule to accept multi-line recipe - move .SECONDARY special target to scripts/Kbuild.include - remove redundant 'set -e' - improve parallel execution for CONFIG_HEADERS_CHECK - misc cleanups Treewide fixes and cleanups - set Clang flags correctly for PowerPC boot images - fix UML build error with CONFIG_GCC_PLUGINS - remove unneeded patterns from .gitignore files - refactor firmware/Makefile - remove unneeded rules for *offsets.s - avoid unneeded regeneration of intermediate .s files - clean up ./Kbuild Modpost: - remove unused -M, -K options - fix false positive warnings about section mismatch - use simple devtable lookup instead of linker magic - misc cleanups Coccinelle: - relax boolinit.cocci checks for overall consistency - fix warning messages of boolinit.cocci Other tools: - improve -dirty check of scripts/setlocalversion - add a tool to generate compile_commands.json from .*.cmd files" * tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (51 commits) kbuild: remove unused cmd_gentimeconst kbuild: remove $(obj)/ prefixes in ./Kbuild treewide: add intermediate .s files to targets treewide: remove explicit rules for *offsets.s firmware: refactor firmware/Makefile firmware: remove unnecessary patterns from .gitignore scripts: remove unnecessary ihex2fw and check-lc_ctypes from .gitignore um: remove unused filechk_gen_header in Makefile scripts: add a tool to produce a compile_commands.json file kbuild: add -Werror=implicit-int flag unconditionally kbuild: add -Werror=strict-prototypes flag unconditionally kbuild: add -fno-PIE flag unconditionally scripts: coccinelle: Correct warning message scripts: coccinelle: only suggest true/false in files that already use them kbuild: handle part-of-module correctly for *.ll and *.symtypes kbuild: refactor part-of-module kbuild: refactor quiet_modtag kbuild: remove redundant quiet_modtag for $(obj-m) kbuild: refactor Makefile.asm-generic user/Makefile: Fix typo and capitalization in comment section ... |
||
|
Linus Torvalds
|
3868772b99 |
A fairly normal cycle for documentation stuff. We have a new
document on perf security, more Italian translations, more
improvements to the memory-management docs, improvements to the
pathname lookup documentation, and the usual array of smaller
fixes.
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Merge tag 'docs-5.0' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet:
"A fairly normal cycle for documentation stuff. We have a new document
on perf security, more Italian translations, more improvements to the
memory-management docs, improvements to the pathname lookup
documentation, and the usual array of smaller fixes.
As is often the case, there are a few reaches outside of
Documentation/ to adjust kerneldoc comments"
* tag 'docs-5.0' of git://git.lwn.net/linux: (38 commits)
docs: improve pathname-lookup document structure
configfs: fix wrong name of struct in documentation
docs/mm-api: link slab_common.c to "The Slab Cache" section
slab: make kmem_cache_create{_usercopy} description proper kernel-doc
doc:process: add links where missing
docs/core-api: make mm-api.rst more structured
x86, boot: documentation whitespace fixup
Documentation: devres: note checking needs when converting
doc🇮🇹 add some process/* translations
doc🇮🇹 fixes in process/1.Intro
Documentation: convert path-lookup from markdown to resturctured text
Documentation/admin-guide: update admin-guide index.rst
Documentation/admin-guide: introduce perf-security.rst file
scripts/kernel-doc: Fix struct and struct field attribute processing
Documentation: dev-tools: Fix typos in index.rst
Correct gen_init_cpio tool's documentation
Document /proc/pid PID reuse behavior
Documentation: update path-lookup.md for parallel lookups
Documentation: Use "while" instead of "whilst"
dmaengine: Add mailing list address to the documentation
...
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||
|
Linus Torvalds
|
6f9d71c9c7 |
Merge branch 'for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo: - Waiman's cgroup2 cpuset support has been finally merged closing one of the last remaining feature gaps. - cgroup.procs could show non-leader threads when cgroup2 threaded mode was used in certain ways. I forgot to push the fix during the last cycle. - A patch to fix mount option parsing when all mount options have been consumed by someone else (LSM). - cgroup_no_v1 boot param can now block named cgroup1 hierarchies too. * 'for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: Add named hierarchy disabling to cgroup_no_v1 boot param cgroup: fix parsing empty mount option string cpuset: Remove set but not used variable 'cs' cgroup: fix CSS_TASK_ITER_PROCS cgroup: Add .__DEBUG__. prefix to debug file names cpuset: Minor cgroup2 interface updates cpuset: Expose cpuset.cpus.subpartitions with cgroup_debug cpuset: Add documentation about the new "cpuset.sched.partition" flag cpuset: Use descriptive text when reading/writing cpuset.sched.partition cpuset: Expose cpus.effective and mems.effective on cgroup v2 root cpuset: Make generate_sched_domains() work with partition cpuset: Make CPU hotplug work with partition cpuset: Track cpusets that use parent's effective_cpus cpuset: Add an error state to cpuset.sched.partition cpuset: Add new v2 cpuset.sched.partition flag cpuset: Simply allocation and freeing of cpumasks cpuset: Define data structures to support scheduling partition cpuset: Enable cpuset controller in default hierarchy cgroup: remove unnecessary unlikely() |
||
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Linus Torvalds
|
9ef1034074 |
Xtensa updates for v4.21:
- switch to generated syscall table
- switch ptrace to regsets, use regsets for core dumps
- complete tracehook implementation
- add syscall tracepoints support
- add jumplabels support
- add memtest support
- drop unused/duplicated code from entry.S, ptrace.c, coprocessor.S,
elf.h and syscall.h
- clean up warnings caused by WSR/RSR macros
- clean up DTC warnings about SPI controller node names in xtfpga.dtsi
- simplify coprocessor.S
- get rid of explicit 'l32r' instruction usage in assembly
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Merge tag 'xtensa-20181228' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- switch to generated syscall table
- switch ptrace to regsets, use regsets for core dumps
- complete tracehook implementation
- add syscall tracepoints support
- add jumplabels support
- add memtest support
- drop unused/duplicated code from entry.S, ptrace.c, coprocessor.S,
elf.h and syscall.h
- clean up warnings caused by WSR/RSR macros
- clean up DTC warnings about SPI controller node names in xtfpga.dtsi
- simplify coprocessor.S
- get rid of explicit 'l32r' instruction usage in assembly
* tag 'xtensa-20181228' of git://github.com/jcmvbkbc/linux-xtensa: (25 commits)
xtensa: implement jump_label support
xtensa: implement syscall tracepoints
xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK
xtensa: enable CORE_DUMP_USE_REGSET
xtensa: implement TIE regset
xtensa: implement task_user_regset_view
xtensa: call do_syscall_trace_{enter,leave} selectively
xtensa: use NO_SYSCALL instead of -1
xtensa: define syscall_get_arch()
Move EM_XTENSA to uapi/linux/elf-em.h
xtensa: support memtest
xtensa: don't use l32r opcode directly
xtensa: xtfpga.dtsi: fix dtc warnings about SPI
xtensa: don't clear cpenable unconditionally on release
xtensa: simplify coprocessor.S
xtensa: clean up WSR*/RSR*/get_sr/set_sr
xtensa: drop unused declarations from elf.h
xtensa: clean up syscall.h
xtensa: drop unused coprocessor helper functions
xtensa: drop custom PTRACE_{PEEK,POKE}{TEXT,DATA}
...
|