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This is the 5.4.43 stable release

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Merge 5.4.43 into android-5.4-stable

Changes in 5.4.43
	i2c: dev: Fix the race between the release of i2c_dev and cdev
	KVM: SVM: Fix potential memory leak in svm_cpu_init()
	ima: Set file->f_mode instead of file->f_flags in ima_calc_file_hash()
	evm: Check also if *tfm is an error pointer in init_desc()
	ima: Fix return value of ima_write_policy()
	ubifs: fix wrong use of crypto_shash_descsize()
	ACPI: EC: PM: Avoid flushing EC work when EC GPE is inactive
	mtd: spinand: Propagate ECC information to the MTD structure
	fix multiplication overflow in copy_fdtable()
	ubifs: remove broken lazytime support
	i2c: fix missing pm_runtime_put_sync in i2c_device_probe
	iommu/amd: Fix over-read of ACPI UID from IVRS table
	evm: Fix a small race in init_desc()
	i2c: mux: demux-pinctrl: Fix an error handling path in 'i2c_demux_pinctrl_probe()'
	ubi: Fix seq_file usage in detailed_erase_block_info debugfs file
	afs: Don't unlock fetched data pages until the op completes successfully
	mtd: Fix mtd not registered due to nvmem name collision
	kbuild: avoid concurrency issue in parallel building dtbs and dtbs_check
	net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report()
	gcc-common.h: Update for GCC 10
	HID: multitouch: add eGalaxTouch P80H84 support
	HID: alps: Add AUI1657 device ID
	HID: alps: ALPS_1657 is too specific; use U1_UNICORN_LEGACY instead
	scsi: qla2xxx: Fix hang when issuing nvme disconnect-all in NPIV
	scsi: qla2xxx: Delete all sessions before unregister local nvme port
	configfs: fix config_item refcnt leak in configfs_rmdir()
	vhost/vsock: fix packet delivery order to monitoring devices
	aquantia: Fix the media type of AQC100 ethernet controller in the driver
	component: Silence bind error on -EPROBE_DEFER
	net/ena: Fix build warning in ena_xdp_set()
	scsi: ibmvscsi: Fix WARN_ON during event pool release
	HID: i2c-hid: reset Synaptics SYNA2393 on resume
	x86/mm/cpa: Flush direct map alias during cpa
	ibmvnic: Skip fatal error reset after passive init
	ftrace/selftest: make unresolved cases cause failure if --fail-unresolved set
	x86/apic: Move TSC deadline timer debug printk
	gtp: set NLM_F_MULTI flag in gtp_genl_dump_pdp()
	HID: quirks: Add HID_QUIRK_NO_INIT_REPORTS quirk for Dell K12A keyboard-dock
	ceph: fix double unlock in handle_cap_export()
	stmmac: fix pointer check after utilization in stmmac_interrupt
	USB: core: Fix misleading driver bug report
	platform/x86: asus-nb-wmi: Do not load on Asus T100TA and T200TA
	iommu/amd: Call domain_flush_complete() in update_domain()
	drm/amd/display: Prevent dpcd reads with passive dongles
	KVM: selftests: Fix build for evmcs.h
	ARM: futex: Address build warning
	scripts/gdb: repair rb_first() and rb_last()
	ALSA: hda - constify and cleanup static NodeID tables
	ALSA: hda: patch_realtek: fix empty macro usage in if block
	ALSA: hda: Manage concurrent reg access more properly
	ALSA: hda/realtek - Add supported new mute Led for HP
	ALSA: hda/realtek - Add HP new mute led supported for ALC236
	ALSA: hda/realtek: Add quirk for Samsung Notebook
	ALSA: hda/realtek - Enable headset mic of ASUS GL503VM with ALC295
	ALSA: hda/realtek - Enable headset mic of ASUS UX550GE with ALC295
	ALSA: hda/realtek: Enable headset mic of ASUS UX581LV with ALC295
	KVM: x86: Fix pkru save/restore when guest CR4.PKE=0, move it to x86.c
	ALSA: iec1712: Initialize STDSP24 properly when using the model=staudio option
	ALSA: pcm: fix incorrect hw_base increase
	ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Xtreme
	ALSA: hda/realtek - Add more fixup entries for Clevo machines
	scsi: qla2xxx: Do not log message when reading port speed via sysfs
	scsi: target: Put lun_ref at end of tmr processing
	arm64: Fix PTRACE_SYSEMU semantics
	drm/etnaviv: fix perfmon domain interation
	apparmor: Fix use-after-free in aa_audit_rule_init
	apparmor: fix potential label refcnt leak in aa_change_profile
	apparmor: Fix aa_label refcnt leak in policy_update
	dmaengine: tegra210-adma: Fix an error handling path in 'tegra_adma_probe()'
	drm/etnaviv: Fix a leak in submit_pin_objects()
	dmaengine: dmatest: Restore default for channel
	dmaengine: owl: Use correct lock in owl_dma_get_pchan()
	vsprintf: don't obfuscate NULL and error pointers
	drm/i915/gvt: Init DPLL/DDI vreg for virtual display instead of inheritance.
	drm/i915: Propagate error from completed fences
	powerpc: Remove STRICT_KERNEL_RWX incompatibility with RELOCATABLE
	powerpc/64s: Disable STRICT_KERNEL_RWX
	bpf: Avoid setting bpf insns pages read-only when prog is jited
	kbuild: Remove debug info from kallsyms linking
	Revert "gfs2: Don't demote a glock until its revokes are written"
	media: fdp1: Fix R-Car M3-N naming in debug message
	staging: iio: ad2s1210: Fix SPI reading
	staging: kpc2000: fix error return code in kp2000_pcie_probe()
	staging: greybus: Fix uninitialized scalar variable
	iio: sca3000: Remove an erroneous 'get_device()'
	iio: dac: vf610: Fix an error handling path in 'vf610_dac_probe()'
	iio: adc: ti-ads8344: Fix channel selection
	misc: rtsx: Add short delay after exit from ASPM
	tty: serial: add missing spin_lock_init for SiFive serial console
	mei: release me_cl object reference
	ipack: tpci200: fix error return code in tpci200_register()
	s390/pci: Fix s390_mmio_read/write with MIO
	s390/kaslr: add support for R_390_JMP_SLOT relocation type
	device-dax: don't leak kernel memory to user space after unloading kmem
	rapidio: fix an error in get_user_pages_fast() error handling
	kasan: disable branch tracing for core runtime
	rxrpc: Fix the excessive initial retransmission timeout
	rxrpc: Fix a memory leak in rxkad_verify_response()
	s390/kexec_file: fix initrd location for kdump kernel
	flow_dissector: Drop BPF flow dissector prog ref on netns cleanup
	x86/unwind/orc: Fix unwind_get_return_address_ptr() for inactive tasks
	iio: adc: stm32-adc: Use dma_request_chan() instead dma_request_slave_channel()
	iio: adc: stm32-adc: fix device used to request dma
	iio: adc: stm32-dfsdm: Use dma_request_chan() instead dma_request_slave_channel()
	iio: adc: stm32-dfsdm: fix device used to request dma
	rxrpc: Trace discarded ACKs
	rxrpc: Fix ack discard
	tpm: check event log version before reading final events
	sched/fair: Reorder enqueue/dequeue_task_fair path
	sched/fair: Fix reordering of enqueue/dequeue_task_fair()
	sched/fair: Fix enqueue_task_fair() warning some more
	Linux 5.4.43

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I1582df67569f34c4455c482ed0eaf10fc1a34e03
This commit is contained in:
Greg Kroah-Hartman 2020-05-28 12:26:15 +02:00
commit f7b4f375c7
133 changed files with 1453 additions and 602 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 42
SUBLEVEL = 43
EXTRAVERSION =
NAME = Kleptomaniac Octopus
@ -1313,11 +1313,15 @@ ifneq ($(dtstree),)
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
PHONY += dtbs dtbs_install dtbs_check
dtbs dtbs_check: include/config/kernel.release scripts_dtc
dtbs: include/config/kernel.release scripts_dtc
$(Q)$(MAKE) $(build)=$(dtstree)
ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
dtbs: dt_binding_check
endif
dtbs_check: export CHECK_DTBS=1
dtbs_check: dt_binding_check
dtbs_check: dtbs
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=$(dtstree)

9
arch/arm/include/asm/futex.h
View File

@ -164,8 +164,13 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
preempt_enable();
#endif
if (!ret)
*oval = oldval;
/*
* Store unconditionally. If ret != 0 the extra store is the least
* of the worries but GCC cannot figure out that __futex_atomic_op()
* is either setting ret to -EFAULT or storing the old value in
* oldval which results in a uninitialized warning at the call site.
*/
*oval = oldval;
return ret;
}

7
arch/arm64/kernel/ptrace.c
View File

@ -1829,10 +1829,11 @@ static void tracehook_report_syscall(struct pt_regs *regs,
int syscall_trace_enter(struct pt_regs *regs)
{
if (test_thread_flag(TIF_SYSCALL_TRACE) ||
test_thread_flag(TIF_SYSCALL_EMU)) {
unsigned long flags = READ_ONCE(current_thread_info()->flags);
if (flags & (_TIF_SYSCALL_EMU | _TIF_SYSCALL_TRACE)) {
tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER);
if (!in_syscall(regs) || test_thread_flag(TIF_SYSCALL_EMU))
if (!in_syscall(regs) || (flags & _TIF_SYSCALL_EMU))
return -1;
}

2
arch/powerpc/Kconfig
View File

@ -133,7 +133,7 @@ config PPC
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_MEMBARRIER_CALLBACKS
select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64
select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !RELOCATABLE && !HIBERNATION)
select ARCH_HAS_STRICT_KERNEL_RWX if (PPC32 && !HIBERNATION)
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UACCESS_MCSAFE if PPC64

10
arch/s390/include/asm/pci_io.h
View File

@ -8,6 +8,10 @@
#include <linux/slab.h>
#include <asm/pci_insn.h>
/* I/O size constraints */
#define ZPCI_MAX_READ_SIZE 8
#define ZPCI_MAX_WRITE_SIZE 128
/* I/O Map */
#define ZPCI_IOMAP_SHIFT 48
#define ZPCI_IOMAP_ADDR_BASE 0x8000000000000000UL
@ -140,7 +144,8 @@ static inline int zpci_memcpy_fromio(void *dst,
while (n > 0) {
size = zpci_get_max_write_size((u64 __force) src,
(u64) dst, n, 8);
(u64) dst, n,
ZPCI_MAX_READ_SIZE);
rc = zpci_read_single(dst, src, size);
if (rc)
break;
@ -161,7 +166,8 @@ static inline int zpci_memcpy_toio(volatile void __iomem *dst,
while (n > 0) {
size = zpci_get_max_write_size((u64 __force) dst,
(u64) src, n, 128);
(u64) src, n,
ZPCI_MAX_WRITE_SIZE);
if (size > 8) /* main path */
rc = zpci_write_block(dst, src, size);
else

2
arch/s390/kernel/machine_kexec_file.c
View File

@ -151,7 +151,7 @@ static int kexec_file_add_initrd(struct kimage *image,
buf.mem += crashk_res.start;
buf.memsz = buf.bufsz;
data->parm->initrd_start = buf.mem;
data->parm->initrd_start = data->memsz;
data->parm->initrd_size = buf.memsz;
data->memsz += buf.memsz;

1
arch/s390/kernel/machine_kexec_reloc.c
View File

@ -28,6 +28,7 @@ int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val,
break;
case R_390_64: /* Direct 64 bit. */
case R_390_GLOB_DAT:
case R_390_JMP_SLOT:
*(u64 *)loc = val;
break;
case R_390_PC16: /* PC relative 16 bit. */

213
arch/s390/pci/pci_mmio.c
View File

@ -11,6 +11,113 @@
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <asm/pci_io.h>
#include <asm/pci_debug.h>
static inline void zpci_err_mmio(u8 cc, u8 status, u64 offset)
{
struct {
u64 offset;
u8 cc;
u8 status;
} data = {offset, cc, status};
zpci_err_hex(&data, sizeof(data));
}
static inline int __pcistb_mio_inuser(
void __iomem *ioaddr, const void __user *src,
u64 len, u8 *status)
{
int cc = -ENXIO;
asm volatile (
" sacf 256\n"
"0: .insn rsy,0xeb00000000d4,%[len],%[ioaddr],%[src]\n"
"1: ipm %[cc]\n"
" srl %[cc],28\n"
"2: sacf 768\n"
EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
: [cc] "+d" (cc), [len] "+d" (len)
: [ioaddr] "a" (ioaddr), [src] "Q" (*((u8 __force *)src))
: "cc", "memory");
*status = len >> 24 & 0xff;
return cc;
}
static inline int __pcistg_mio_inuser(
void __iomem *ioaddr, const void __user *src,
u64 ulen, u8 *status)
{
register u64 addr asm("2") = (u64 __force) ioaddr;
register u64 len asm("3") = ulen;
int cc = -ENXIO;
u64 val = 0;
u64 cnt = ulen;
u8 tmp;
/*
* copy 0 < @len <= 8 bytes from @src into the right most bytes of
* a register, then store it to PCI at @ioaddr while in secondary
* address space. pcistg then uses the user mappings.
*/
asm volatile (
" sacf 256\n"
"0: llgc %[tmp],0(%[src])\n"
" sllg %[val],%[val],8\n"
" aghi %[src],1\n"
" ogr %[val],%[tmp]\n"
" brctg %[cnt],0b\n"
"1: .insn rre,0xb9d40000,%[val],%[ioaddr]\n"
"2: ipm %[cc]\n"
" srl %[cc],28\n"
"3: sacf 768\n"
EX_TABLE(0b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
:
[src] "+a" (src), [cnt] "+d" (cnt),
[val] "+d" (val), [tmp] "=d" (tmp),
[len] "+d" (len), [cc] "+d" (cc),
[ioaddr] "+a" (addr)
:: "cc", "memory");
*status = len >> 24 & 0xff;
/* did we read everything from user memory? */
if (!cc && cnt != 0)
cc = -EFAULT;
return cc;
}
static inline int __memcpy_toio_inuser(void __iomem *dst,
const void __user *src, size_t n)
{
int size, rc = 0;
u8 status = 0;
mm_segment_t old_fs;
if (!src)
return -EINVAL;
old_fs = enable_sacf_uaccess();
while (n > 0) {
size = zpci_get_max_write_size((u64 __force) dst,
(u64 __force) src, n,
ZPCI_MAX_WRITE_SIZE);
if (size > 8) /* main path */
rc = __pcistb_mio_inuser(dst, src, size, &status);
else
rc = __pcistg_mio_inuser(dst, src, size, &status);
if (rc)
break;
src += size;
dst += size;
n -= size;
}
disable_sacf_uaccess(old_fs);
if (rc)
zpci_err_mmio(rc, status, (__force u64) dst);
return rc;
}
static long get_pfn(unsigned long user_addr, unsigned long access,
unsigned long *pfn)
@ -46,6 +153,20 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
if (length <= 0 || PAGE_SIZE - (mmio_addr & ~PAGE_MASK) < length)
return -EINVAL;
/*
* Only support read access to MIO capable devices on a MIO enabled
* system. Otherwise we would have to check for every address if it is
* a special ZPCI_ADDR and we would have to do a get_pfn() which we
* don't need for MIO capable devices.
*/
if (static_branch_likely(&have_mio)) {
ret = __memcpy_toio_inuser((void __iomem *) mmio_addr,
user_buffer,
length);
return ret;
}
if (length > 64) {
buf = kmalloc(length, GFP_KERNEL);
if (!buf)
@ -56,7 +177,8 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
ret = get_pfn(mmio_addr, VM_WRITE, &pfn);
if (ret)
goto out;
io_addr = (void __iomem *)((pfn << PAGE_SHIFT) | (mmio_addr & ~PAGE_MASK));
io_addr = (void __iomem *)((pfn << PAGE_SHIFT) |
(mmio_addr & ~PAGE_MASK));
ret = -EFAULT;
if ((unsigned long) io_addr < ZPCI_IOMAP_ADDR_BASE)
@ -72,6 +194,78 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
return ret;
}
static inline int __pcilg_mio_inuser(
void __user *dst, const void __iomem *ioaddr,
u64 ulen, u8 *status)
{
register u64 addr asm("2") = (u64 __force) ioaddr;
register u64 len asm("3") = ulen;
u64 cnt = ulen;
int shift = ulen * 8;
int cc = -ENXIO;
u64 val, tmp;
/*
* read 0 < @len <= 8 bytes from the PCI memory mapped at @ioaddr (in
* user space) into a register using pcilg then store these bytes at
* user address @dst
*/
asm volatile (
" sacf 256\n"
"0: .insn rre,0xb9d60000,%[val],%[ioaddr]\n"
"1: ipm %[cc]\n"
" srl %[cc],28\n"
" ltr %[cc],%[cc]\n"
" jne 4f\n"
"2: ahi %[shift],-8\n"
" srlg %[tmp],%[val],0(%[shift])\n"
"3: stc %[tmp],0(%[dst])\n"
" aghi %[dst],1\n"
" brctg %[cnt],2b\n"
"4: sacf 768\n"
EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b)
:
[cc] "+d" (cc), [val] "=d" (val), [len] "+d" (len),
[dst] "+a" (dst), [cnt] "+d" (cnt), [tmp] "=d" (tmp),
[shift] "+d" (shift)
:
[ioaddr] "a" (addr)
: "cc", "memory");
/* did we write everything to the user space buffer? */
if (!cc && cnt != 0)
cc = -EFAULT;
*status = len >> 24 & 0xff;
return cc;
}
static inline int __memcpy_fromio_inuser(void __user *dst,
const void __iomem *src,
unsigned long n)
{
int size, rc = 0;
u8 status;
mm_segment_t old_fs;
old_fs = enable_sacf_uaccess();
while (n > 0) {
size = zpci_get_max_write_size((u64 __force) src,
(u64 __force) dst, n,
ZPCI_MAX_READ_SIZE);
rc = __pcilg_mio_inuser(dst, src, size, &status);
if (rc)
break;
src += size;
dst += size;
n -= size;
}
disable_sacf_uaccess(old_fs);
if (rc)
zpci_err_mmio(rc, status, (__force u64) dst);
return rc;
}
SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr,
void __user *, user_buffer, size_t, length)
{
@ -86,12 +280,27 @@ SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr,
if (length <= 0 || PAGE_SIZE - (mmio_addr & ~PAGE_MASK) < length)
return -EINVAL;
/*
* Only support write access to MIO capable devices on a MIO enabled
* system. Otherwise we would have to check for every address if it is
* a special ZPCI_ADDR and we would have to do a get_pfn() which we
* don't need for MIO capable devices.
*/
if (static_branch_likely(&have_mio)) {
ret = __memcpy_fromio_inuser(
user_buffer, (const void __iomem *)mmio_addr,
length);
return ret;
}
if (length > 64) {
buf = kmalloc(length, GFP_KERNEL);
if (!buf)
return -ENOMEM;
} else
} else {
buf = local_buf;
}
ret = get_pfn(mmio_addr, VM_READ, &pfn);
if (ret)

1
arch/x86/include/asm/kvm_host.h
View File

@ -550,6 +550,7 @@ struct kvm_vcpu_arch {
unsigned long cr4;
unsigned long cr4_guest_owned_bits;
unsigned long cr8;
u32 host_pkru;
u32 pkru;
u32 hflags;
u64 efer;

27
arch/x86/kernel/apic/apic.c
View File

@ -352,8 +352,6 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen)
* According to Intel, MFENCE can do the serialization here.
*/
asm volatile("mfence" : : : "memory");
printk_once(KERN_DEBUG "TSC deadline timer enabled\n");
return;
}
@ -552,7 +550,7 @@ static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
#define DEADLINE_MODEL_MATCH_REV(model, rev) \
{ X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)rev }
static u32 hsx_deadline_rev(void)
static __init u32 hsx_deadline_rev(void)
{
switch (boot_cpu_data.x86_stepping) {
case 0x02: return 0x3a; /* EP */
@ -562,7 +560,7 @@ static u32 hsx_deadline_rev(void)
return ~0U;
}
static u32 bdx_deadline_rev(void)
static __init u32 bdx_deadline_rev(void)
{
switch (boot_cpu_data.x86_stepping) {
case 0x02: return 0x00000011;
@ -574,7 +572,7 @@ static u32 bdx_deadline_rev(void)
return ~0U;
}
static u32 skx_deadline_rev(void)
static __init u32 skx_deadline_rev(void)
{
switch (boot_cpu_data.x86_stepping) {
case 0x03: return 0x01000136;
@ -587,7 +585,7 @@ static u32 skx_deadline_rev(void)
return ~0U;
}
static const struct x86_cpu_id deadline_match[] = {
static const struct x86_cpu_id deadline_match[] __initconst = {
DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_HASWELL_X, hsx_deadline_rev),
DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_BROADWELL_X, 0x0b000020),
DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_BROADWELL_D, bdx_deadline_rev),
@ -609,18 +607,19 @@ static const struct x86_cpu_id deadline_match[] = {
{},
};
static void apic_check_deadline_errata(void)
static __init bool apic_validate_deadline_timer(void)
{
const struct x86_cpu_id *m;
u32 rev;
if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER) ||
boot_cpu_has(X86_FEATURE_HYPERVISOR))
return;
if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER))
return false;
if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
return true;
m = x86_match_cpu(deadline_match);
if (!m)
return;
return true;
/*
* Function pointers will have the MSB set due to address layout,
@ -632,11 +631,12 @@ static void apic_check_deadline_errata(void)
rev = (u32)m->driver_data;
if (boot_cpu_data.microcode >= rev)
return;
return true;
setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
pr_err(FW_BUG "TSC_DEADLINE disabled due to Errata; "
"please update microcode to version: 0x%x (or later)\n", rev);
return false;
}
/*
@ -2098,7 +2098,8 @@ void __init init_apic_mappings(void)
{
unsigned int new_apicid;
apic_check_deadline_errata();
if (apic_validate_deadline_timer())
pr_debug("TSC deadline timer available\n");
if (x2apic_mode) {
boot_cpu_physical_apicid = read_apic_id();

7
arch/x86/kernel/unwind_orc.c
View File

@ -311,12 +311,19 @@ EXPORT_SYMBOL_GPL(unwind_get_return_address);
unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
{
struct task_struct *task = state->task;
if (unwind_done(state))
return NULL;
if (state->regs)
return &state->regs->ip;
if (task != current && state->sp == task->thread.sp) {
struct inactive_task_frame *frame = (void *)task->thread.sp;
return &frame->ret_addr;
}
if (state->sp)
return (unsigned long *)state->sp - 1;

13
arch/x86/kvm/svm.c
View File

@ -998,33 +998,32 @@ static void svm_cpu_uninit(int cpu)
static int svm_cpu_init(int cpu)
{
struct svm_cpu_data *sd;
int r;
sd = kzalloc(sizeof(struct svm_cpu_data), GFP_KERNEL);
if (!sd)
return -ENOMEM;
sd->cpu = cpu;
r = -ENOMEM;
sd->save_area = alloc_page(GFP_KERNEL);
if (!sd->save_area)
goto err_1;
goto free_cpu_data;
if (svm_sev_enabled()) {
r = -ENOMEM;
sd->sev_vmcbs = kmalloc_array(max_sev_asid + 1,
sizeof(void *),
GFP_KERNEL);
if (!sd->sev_vmcbs)
goto err_1;
goto free_save_area;
}
per_cpu(svm_data, cpu) = sd;
return 0;
err_1:
free_save_area:
__free_page(sd->save_area);
free_cpu_data:
kfree(sd);
return r;
return -ENOMEM;
}

18
arch/x86/kvm/vmx/vmx.c
View File

@ -1360,7 +1360,6 @@ void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
vmx_vcpu_pi_load(vcpu, cpu);
vmx->host_pkru = read_pkru();
vmx->host_debugctlmsr = get_debugctlmsr();
}
@ -6521,11 +6520,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
kvm_load_guest_xcr0(vcpu);
if (static_cpu_has(X86_FEATURE_PKU) &&
kvm_read_cr4_bits(vcpu, X86_CR4_PKE) &&
vcpu->arch.pkru != vmx->host_pkru)
__write_pkru(vcpu->arch.pkru);
pt_guest_enter(vmx);
atomic_switch_perf_msrs(vmx);
@ -6614,18 +6608,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
pt_guest_exit(vmx);
/*
* eager fpu is enabled if PKEY is supported and CR4 is switched
* back on host, so it is safe to read guest PKRU from current
* XSAVE.
*/
if (static_cpu_has(X86_FEATURE_PKU) &&
kvm_read_cr4_bits(vcpu, X86_CR4_PKE)) {
vcpu->arch.pkru = rdpkru();
if (vcpu->arch.pkru != vmx->host_pkru)
__write_pkru(vmx->host_pkru);
}
kvm_put_guest_xcr0(vcpu);
vmx->nested.nested_run_pending = 0;

17
arch/x86/kvm/x86.c
View File

@ -832,11 +832,25 @@ void kvm_load_guest_xcr0(struct kvm_vcpu *vcpu)
xsetbv(XCR_XFEATURE_ENABLED_MASK, vcpu->arch.xcr0);
vcpu->guest_xcr0_loaded = 1;
}
if (static_cpu_has(X86_FEATURE_PKU) &&
(kvm_read_cr4_bits(vcpu, X86_CR4_PKE) ||
(vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) &&
vcpu->arch.pkru != vcpu->arch.host_pkru)
__write_pkru(vcpu->arch.pkru);
}
EXPORT_SYMBOL_GPL(kvm_load_guest_xcr0);
void kvm_put_guest_xcr0(struct kvm_vcpu *vcpu)
{
if (static_cpu_has(X86_FEATURE_PKU) &&
(kvm_read_cr4_bits(vcpu, X86_CR4_PKE) ||
(vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) {
vcpu->arch.pkru = rdpkru();
if (vcpu->arch.pkru != vcpu->arch.host_pkru)
__write_pkru(vcpu->arch.host_pkru);
}
if (vcpu->guest_xcr0_loaded) {
if (vcpu->arch.xcr0 != host_xcr0)
xsetbv(XCR_XFEATURE_ENABLED_MASK, host_xcr0);
@ -8222,6 +8236,9 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
trace_kvm_entry(vcpu->vcpu_id);
guest_enter_irqoff();
/* Save host pkru register if supported */
vcpu->arch.host_pkru = read_pkru();
fpregs_assert_state_consistent();
if (test_thread_flag(TIF_NEED_FPU_LOAD))
switch_fpu_return();

12
arch/x86/mm/pageattr.c
View File

@ -42,7 +42,8 @@ struct cpa_data {
unsigned long pfn;
unsigned int flags;
unsigned int force_split : 1,
force_static_prot : 1;
force_static_prot : 1,
force_flush_all : 1;
struct page **pages;
};
@ -352,10 +353,10 @@ static void cpa_flush(struct cpa_data *data, int cache)
return;
}
if (cpa->numpages <= tlb_single_page_flush_ceiling)
on_each_cpu(__cpa_flush_tlb, cpa, 1);
else
if (cpa->force_flush_all || cpa->numpages > tlb_single_page_flush_ceiling)
flush_tlb_all();
else
on_each_cpu(__cpa_flush_tlb, cpa, 1);
if (!cache)
return;
@ -1584,6 +1585,8 @@ static int cpa_process_alias(struct cpa_data *cpa)
alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY);
alias_cpa.curpage = 0;
cpa->force_flush_all = 1;
ret = __change_page_attr_set_clr(&alias_cpa, 0);
if (ret)
return ret;
@ -1604,6 +1607,7 @@ static int cpa_process_alias(struct cpa_data *cpa)
alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY);
alias_cpa.curpage = 0;
cpa->force_flush_all = 1;
/*
* The high mapping range is imprecise, so ignore the
* return value.

6
drivers/acpi/ec.c
View File

@ -1984,9 +1984,13 @@ bool acpi_ec_dispatch_gpe(void)
* to allow the caller to process events properly after that.
*/
ret = acpi_dispatch_gpe(NULL, first_ec->gpe);
if (ret == ACPI_INTERRUPT_HANDLED)
if (ret == ACPI_INTERRUPT_HANDLED) {
pm_pr_dbg("EC GPE dispatched\n");
/* Flush the event and query workqueues. */
acpi_ec_flush_work();
}
return false;
}
#endif /* CONFIG_PM_SLEEP */

15
drivers/acpi/sleep.c
View File

@ -977,13 +977,6 @@ static int acpi_s2idle_prepare_late(void)
return 0;
}
static void acpi_s2idle_sync(void)
{
/* The EC driver uses special workqueues that need to be flushed. */
acpi_ec_flush_work();
acpi_os_wait_events_complete(); /* synchronize Notify handling */
}
static bool acpi_s2idle_wake(void)
{
if (!acpi_sci_irq_valid())
@ -1015,7 +1008,7 @@ static bool acpi_s2idle_wake(void)
return true;
/*
* Cancel the wakeup and process all pending events in case
* Cancel the SCI wakeup and process all pending events in case
* there are any wakeup ones in there.
*
* Note that if any non-EC GPEs are active at this point, the
@ -1023,8 +1016,7 @@ static bool acpi_s2idle_wake(void)
* should be missed by canceling the wakeup here.
*/
pm_system_cancel_wakeup();
acpi_s2idle_sync();
acpi_os_wait_events_complete();
/*
* The SCI is in the "suspended" state now and it cannot produce
@ -1057,7 +1049,8 @@ static void acpi_s2idle_restore(void)
* of GPEs.
*/
acpi_os_wait_events_complete(); /* synchronize GPE processing */
acpi_s2idle_sync();
acpi_ec_flush_work(); /* flush the EC driver's workqueues */
acpi_os_wait_events_complete(); /* synchronize Notify handling */
s2idle_wakeup = false;

8
drivers/base/component.c
View File

@ -257,7 +257,8 @@ static int try_to_bring_up_master(struct master *master,
ret = master->ops->bind(master->dev);
if (ret < 0) {
devres_release_group(master->dev, NULL);
dev_info(master->dev, "master bind failed: %d\n", ret);
if (ret != -EPROBE_DEFER)
dev_info(master->dev, "master bind failed: %d\n", ret);
return ret;
}
@ -611,8 +612,9 @@ static int component_bind(struct component *component, struct master *master,
devres_release_group(component->dev, NULL);
devres_release_group(master->dev, NULL);
dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
dev_name(component->dev), component->ops, ret);
if (ret != -EPROBE_DEFER)
dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
dev_name(component->dev), component->ops, ret);
}
return ret;

14
drivers/dax/kmem.c
View File

@ -22,6 +22,7 @@ int dev_dax_kmem_probe(struct device *dev)
resource_size_t kmem_size;
resource_size_t kmem_end;
struct resource *new_res;
const char *new_res_name;
int numa_node;
int rc;
@ -48,11 +49,16 @@ int dev_dax_kmem_probe(struct device *dev)
kmem_size &= ~(memory_block_size_bytes() - 1);
kmem_end = kmem_start + kmem_size;
/* Region is permanently reserved. Hot-remove not yet implemented. */
new_res = request_mem_region(kmem_start, kmem_size, dev_name(dev));
new_res_name = kstrdup(dev_name(dev), GFP_KERNEL);
if (!new_res_name)
return -ENOMEM;
/* Region is permanently reserved if hotremove fails. */
new_res = request_mem_region(kmem_start, kmem_size, new_res_name);
if (!new_res) {
dev_warn(dev, "could not reserve region [%pa-%pa]\n",
&kmem_start, &kmem_end);
kfree(new_res_name);
return -EBUSY;
}
@ -63,12 +69,12 @@ int dev_dax_kmem_probe(struct device *dev)
* unknown to us that will break add_memory() below.
*/
new_res->flags = IORESOURCE_SYSTEM_RAM;
new_res->name = dev_name(dev);
rc = add_memory(numa_node, new_res->start, resource_size(new_res));
if (rc) {
release_resource(new_res);
kfree(new_res);
kfree(new_res_name);
return rc;
}
dev_dax->dax_kmem_res = new_res;
@ -83,6 +89,7 @@ static int dev_dax_kmem_remove(struct device *dev)
struct resource *res = dev_dax->dax_kmem_res;
resource_size_t kmem_start = res->start;
resource_size_t kmem_size = resource_size(res);
const char *res_name = res->name;
int rc;
/*
@ -102,6 +109,7 @@ static int dev_dax_kmem_remove(struct device *dev)
/* Release and free dax resources */
release_resource(res);
kfree(res);
kfree(res_name);
dev_dax->dax_kmem_res = NULL;
return 0;

9
drivers/dma/dmatest.c
View File

@ -1166,10 +1166,11 @@ static int dmatest_run_set(const char *val, const struct kernel_param *kp)
mutex_unlock(&info->lock);
return ret;
} else if (dmatest_run) {
if (is_threaded_test_pending(info))
start_threaded_tests(info);
else
pr_info("Could not start test, no channels configured\n");
if (!is_threaded_test_pending(info)) {
pr_info("No channels configured, continue with any\n");
add_threaded_test(info);
}
start_threaded_tests(info);
} else {
stop_threaded_test(info);
}

8
drivers/dma/owl-dma.c
View File

@ -175,13 +175,11 @@ struct owl_dma_txd {
* @id: physical index to this channel
* @base: virtual memory base for the dma channel
* @vchan: the virtual channel currently being served by this physical channel
* @lock: a lock to use when altering an instance of this struct
*/
struct owl_dma_pchan {
u32 id;
void __iomem *base;
struct owl_dma_vchan *vchan;
spinlock_t lock;
};
/**
@ -437,14 +435,14 @@ static struct owl_dma_pchan *owl_dma_get_pchan(struct owl_dma *od,
for (i = 0; i < od->nr_pchans; i++) {
pchan = &od->pchans[i];
spin_lock_irqsave(&pchan->lock, flags);
spin_lock_irqsave(&od->lock, flags);
if (!pchan->vchan) {
pchan->vchan = vchan;
spin_unlock_irqrestore(&pchan->lock, flags);
spin_unlock_irqrestore(&od->lock, flags);
break;
}
spin_unlock_irqrestore(&pchan->lock, flags);
spin_unlock_irqrestore(&od->lock, flags);
}
return pchan;

2
drivers/dma/tegra210-adma.c
View File

@ -900,7 +900,7 @@ static int tegra_adma_probe(struct platform_device *pdev)
ret = dma_async_device_register(&tdma->dma_dev);
if (ret < 0) {
dev_err(&pdev->dev, "ADMA registration failed: %d\n", ret);
goto irq_dispose;
goto rpm_put;
}
ret = of_dma_controller_register(pdev->dev.of_node,

5
drivers/firmware/efi/libstub/tpm.c
View File

@ -64,7 +64,7 @@ void efi_retrieve_tpm2_eventlog(efi_system_table_t *sys_table_arg)
efi_status_t status;
efi_physical_addr_t log_location = 0, log_last_entry = 0;
struct linux_efi_tpm_eventlog *log_tbl = NULL;
struct efi_tcg2_final_events_table *final_events_table;
struct efi_tcg2_final_events_table *final_events_table = NULL;
unsigned long first_entry_addr, last_entry_addr;
size_t log_size, last_entry_size;
efi_bool_t truncated;
@ -140,7 +140,8 @@ void efi_retrieve_tpm2_eventlog(efi_system_table_t *sys_table_arg)
* Figure out whether any events have already been logged to the
* final events structure, and if so how much space they take up
*/
final_events_table = get_efi_config_table(sys_table_arg,
if (version == EFI_TCG2_EVENT_LOG_FORMAT_TCG_2)
final_events_table = get_efi_config_table(sys_table_arg,
LINUX_EFI_TPM_FINAL_LOG_GUID);
if (final_events_table && final_events_table->nr_events) {
struct tcg_pcr_event2_head *header;

5
drivers/firmware/efi/tpm.c
View File

@ -62,8 +62,11 @@ int __init efi_tpm_eventlog_init(void)
tbl_size = sizeof(*log_tbl) + log_tbl->size;
memblock_reserve(efi.tpm_log, tbl_size);
if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR)
if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR ||
log_tbl->version != EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) {
pr_warn(FW_BUG "TPM Final Events table missing or invalid\n");
goto out;
}
final_tbl = early_memremap(efi.tpm_final_log, sizeof(*final_tbl));

17
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -1422,17 +1422,22 @@ amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
dc_sink_retain(aconnector->dc_sink);
if (sink->dc_edid.length == 0) {
aconnector->edid = NULL;
drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
if (aconnector->dc_link->aux_mode) {
drm_dp_cec_unset_edid(
&aconnector->dm_dp_aux.aux);
}
} else {
aconnector->edid =
(struct edid *) sink->dc_edid.raw_edid;
(struct edid *)sink->dc_edid.raw_edid;
drm_connector_update_edid_property(connector,
aconnector->edid);
drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
aconnector->edid);
aconnector->edid);
if (aconnector->dc_link->aux_mode)
drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
aconnector->edid);
}
amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
} else {

4
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
View File

@ -240,8 +240,10 @@ static int submit_pin_objects(struct etnaviv_gem_submit *submit)
}
if ((submit->flags & ETNA_SUBMIT_SOFTPIN) &&
submit->bos[i].va != mapping->iova)
submit->bos[i].va != mapping->iova) {
etnaviv_gem_mapping_unreference(mapping);
return -EINVAL;
}
atomic_inc(&etnaviv_obj->gpu_active);

2
drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
View File

@ -453,7 +453,7 @@ static const struct etnaviv_pm_domain *pm_domain(const struct etnaviv_gpu *gpu,
if (!(gpu->identity.features & meta->feature))
continue;
if (meta->nr_domains < (index - offset)) {
if (index - offset >= meta->nr_domains) {
offset += meta->nr_domains;
continue;
}

49
drivers/gpu/drm/i915/gvt/display.c
View File

@ -207,14 +207,41 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
SKL_FUSE_PG_DIST_STATUS(SKL_PG0) |
SKL_FUSE_PG_DIST_STATUS(SKL_PG1) |
SKL_FUSE_PG_DIST_STATUS(SKL_PG2);
vgpu_vreg_t(vgpu, LCPLL1_CTL) |=
LCPLL_PLL_ENABLE |
LCPLL_PLL_LOCK;
vgpu_vreg_t(vgpu, LCPLL2_CTL) |= LCPLL_PLL_ENABLE;
/*
* Only 1 PIPE enabled in current vGPU display and PIPE_A is
* tied to TRANSCODER_A in HW, so it's safe to assume PIPE_A,
* TRANSCODER_A can be enabled. PORT_x depends on the input of
* setup_virtual_dp_monitor, we can bind DPLL0 to any PORT_x
* so we fixed to DPLL0 here.
* Setup DPLL0: DP link clk 1620 MHz, non SSC, DP Mode
*/
vgpu_vreg_t(vgpu, DPLL_CTRL1) =
DPLL_CTRL1_OVERRIDE(DPLL_ID_SKL_DPLL0);
vgpu_vreg_t(vgpu, DPLL_CTRL1) |=
DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, DPLL_ID_SKL_DPLL0);
vgpu_vreg_t(vgpu, LCPLL1_CTL) =
LCPLL_PLL_ENABLE | LCPLL_PLL_LOCK;
vgpu_vreg_t(vgpu, DPLL_STATUS) = DPLL_LOCK(DPLL_ID_SKL_DPLL0);
/*
* Golden M/N are calculated based on:
* 24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID),
* DP link clk 1620 MHz and non-constant_n.
* TODO: calculate DP link symbol clk and stream clk m/n.
*/
vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) = 63 << TU_SIZE_SHIFT;
vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) |= 0x5b425e;
vgpu_vreg_t(vgpu, PIPE_DATA_N1(TRANSCODER_A)) = 0x800000;
vgpu_vreg_t(vgpu, PIPE_LINK_M1(TRANSCODER_A)) = 0x3cd6e;
vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)) = 0x80000;
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) {
vgpu_vreg_t(vgpu, DPLL_CTRL2) &=
~DPLL_CTRL2_DDI_CLK_OFF(PORT_B);
vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_B);
vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_B);
vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED;
vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &=
~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
@ -235,6 +262,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) {
vgpu_vreg_t(vgpu, DPLL_CTRL2) &=
~DPLL_CTRL2_DDI_CLK_OFF(PORT_C);
vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_C);
vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_C);
vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT;
vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &=
~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
@ -255,6 +288,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) {
vgpu_vreg_t(vgpu, DPLL_CTRL2) &=
~DPLL_CTRL2_DDI_CLK_OFF(PORT_D);
vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_D);
vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_D);
vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT;
vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &=
~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |

4
drivers/gpu/drm/i915/i915_request.c
View File

@ -894,8 +894,10 @@ i915_request_await_request(struct i915_request *to, struct i915_request *from)
GEM_BUG_ON(to == from);
GEM_BUG_ON(to->timeline == from->timeline);
if (i915_request_completed(from))
if (i915_request_completed(from)) {
i915_sw_fence_set_error_once(&to->submit, from->fence.error);
return 0;
}
if (to->engine->schedule) {
ret = i915_sched_node_add_dependency(&to->sched, &from->sched);

1
drivers/hid/hid-alps.c
View File

@ -802,6 +802,7 @@ static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
break;
case HID_DEVICE_ID_ALPS_U1_DUAL:
case HID_DEVICE_ID_ALPS_U1:
case HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY:
data->dev_type = U1;
break;
default:

7
drivers/hid/hid-ids.h
View File

@ -79,10 +79,10 @@
#define HID_DEVICE_ID_ALPS_U1_DUAL_PTP 0x121F
#define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP 0x1220
#define HID_DEVICE_ID_ALPS_U1 0x1215
#define HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY 0x121E
#define HID_DEVICE_ID_ALPS_T4_BTNLESS 0x120C
#define HID_DEVICE_ID_ALPS_1222 0x1222
#define USB_VENDOR_ID_AMI 0x046b
#define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE 0xff10
@ -385,6 +385,7 @@
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349 0x7349
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7 0x73f7
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002 0xc002
#define USB_VENDOR_ID_ELAN 0x04f3
#define USB_DEVICE_ID_TOSHIBA_CLICK_L9W 0x0401
@ -1091,6 +1092,9 @@
#define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300
#define USB_DEVICE_ID_SYMBOL_SCANNER_3 0x1200
#define I2C_VENDOR_ID_SYNAPTICS 0x06cb
#define I2C_PRODUCT_ID_SYNAPTICS_SYNA2393 0x7a13
#define USB_VENDOR_ID_SYNAPTICS 0x06cb
#define USB_DEVICE_ID_SYNAPTICS_TP 0x0001
#define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002
@ -1105,6 +1109,7 @@
#define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10
#define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3
#define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3
#define USB_DEVICE_ID_SYNAPTICS_DELL_K12A 0x2819
#define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012 0x2968
#define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710
#define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5 0x81a7

3
drivers/hid/hid-multitouch.c
View File

@ -1922,6 +1922,9 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_EGALAX_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
{ .driver_data = MT_CLS_EGALAX,
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) },
/* Elitegroup panel */
{ .driver_data = MT_CLS_SERIAL,

1
drivers/hid/hid-quirks.c
View File

@ -163,6 +163,7 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DELL_K12A), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD), HID_QUIRK_BADPAD },
{ HID_USB_DEVICE(USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882), HID_QUIRK_NOGET },

2
drivers/hid/i2c-hid/i2c-hid-core.c
View File

@ -179,6 +179,8 @@ static const struct i2c_hid_quirks {
I2C_HID_QUIRK_BOGUS_IRQ },
{ USB_VENDOR_ID_ALPS_JP, HID_ANY_ID,
I2C_HID_QUIRK_RESET_ON_RESUME },
{ I2C_VENDOR_ID_SYNAPTICS, I2C_PRODUCT_ID_SYNAPTICS_SYNA2393,
I2C_HID_QUIRK_RESET_ON_RESUME },
{ USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720,
I2C_HID_QUIRK_BAD_INPUT_SIZE },
{ 0, 0 }

22
drivers/i2c/i2c-core-base.c
View File

@ -338,8 +338,10 @@ static int i2c_device_probe(struct device *dev)
} else if (ACPI_COMPANION(dev)) {
irq = i2c_acpi_get_irq(client);
}
if (irq == -EPROBE_DEFER)
return irq;
if (irq == -EPROBE_DEFER) {
status = irq;
goto put_sync_adapter;
}
if (irq < 0)
irq = 0;
@ -353,15 +355,19 @@ static int i2c_device_probe(struct device *dev)
*/
if (!driver->id_table &&
!i2c_acpi_match_device(dev->driver->acpi_match_table, client) &&
!i2c_of_match_device(dev->driver->of_match_table, client))
return -ENODEV;
!i2c_of_match_device(dev->driver->of_match_table, client)) {
status = -ENODEV;
goto put_sync_adapter;
}
if (client->flags & I2C_CLIENT_WAKE) {
int wakeirq;
wakeirq = of_irq_get_byname(dev->of_node, "wakeup");
if (wakeirq == -EPROBE_DEFER)
return wakeirq;
if (wakeirq == -EPROBE_DEFER) {
status = wakeirq;
goto put_sync_adapter;
}
device_init_wakeup(&client->dev, true);
@ -408,6 +414,10 @@ static int i2c_device_probe(struct device *dev)
err_clear_wakeup_irq:
dev_pm_clear_wake_irq(&client->dev);
device_init_wakeup(&client->dev, false);
put_sync_adapter:
if (client->flags & I2C_CLIENT_HOST_NOTIFY)
pm_runtime_put_sync(&client->adapter->dev);
return status;
}

46
drivers/i2c/i2c-dev.c
View File

@ -40,7 +40,7 @@
struct i2c_dev {
struct list_head list;
struct i2c_adapter *adap;
struct device *dev;
struct device dev;
struct cdev cdev;
};
@ -84,12 +84,14 @@ static struct i2c_dev *get_free_i2c_dev(struct i2c_adapter *adap)
return i2c_dev;
}
static void put_i2c_dev(struct i2c_dev *i2c_dev)
static void put_i2c_dev(struct i2c_dev *i2c_dev, bool del_cdev)
{
spin_lock(&i2c_dev_list_lock);
list_del(&i2c_dev->list);
spin_unlock(&i2c_dev_list_lock);
kfree(i2c_dev);
if (del_cdev)
cdev_device_del(&i2c_dev->cdev, &i2c_dev->dev);
put_device(&i2c_dev->dev);
}
static ssize_t name_show(struct device *dev,
@ -628,6 +630,14 @@ static const struct file_operations i2cdev_fops = {
static struct class *i2c_dev_class;
static void i2cdev_dev_release(struct device *dev)
{
struct i2c_dev *i2c_dev;
i2c_dev = container_of(dev, struct i2c_dev, dev);
kfree(i2c_dev);
}
static int i2cdev_attach_adapter(struct device *dev, void *dummy)
{
struct i2c_adapter *adap;
@ -644,27 +654,23 @@ static int i2cdev_attach_adapter(struct device *dev, void *dummy)
cdev_init(&i2c_dev->cdev, &i2cdev_fops);
i2c_dev->cdev.owner = THIS_MODULE;
res = cdev_add(&i2c_dev->cdev, MKDEV(I2C_MAJOR, adap->nr), 1);
if (res)
goto error_cdev;
/* register this i2c device with the driver core */
i2c_dev->dev = device_create(i2c_dev_class, &adap->dev,
MKDEV(I2C_MAJOR, adap->nr), NULL,
"i2c-%d", adap->nr);
if (IS_ERR(i2c_dev->dev)) {
res = PTR_ERR(i2c_dev->dev);
goto error;
device_initialize(&i2c_dev->dev);
i2c_dev->dev.devt = MKDEV(I2C_MAJOR, adap->nr);
i2c_dev->dev.class = i2c_dev_class;
i2c_dev->dev.parent = &adap->dev;
i2c_dev->dev.release = i2cdev_dev_release;
dev_set_name(&i2c_dev->dev, "i2c-%d", adap->nr);
res = cdev_device_add(&i2c_dev->cdev, &i2c_dev->dev);
if (res) {
put_i2c_dev(i2c_dev, false);
return res;
}
pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
adap->name, adap->nr);
return 0;
error:
cdev_del(&i2c_dev->cdev);
error_cdev:
put_i2c_dev(i2c_dev);
return res;
}
static int i2cdev_detach_adapter(struct device *dev, void *dummy)
@ -680,9 +686,7 @@ static int i2cdev_detach_adapter(struct device *dev, void *dummy)
if (!i2c_dev) /* attach_adapter must have failed */
return 0;
cdev_del(&i2c_dev->cdev);
put_i2c_dev(i2c_dev);
device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr));
put_i2c_dev(i2c_dev, true);
pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
return 0;

1
drivers/i2c/muxes/i2c-demux-pinctrl.c
View File

@ -272,6 +272,7 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev)
err_rollback_available:
device_remove_file(&pdev->dev, &dev_attr_available_masters);
err_rollback:
i2c_demux_deactivate_master(priv);
for (j = 0; j < i; j++) {
of_node_put(priv->chan[j].parent_np);
of_changeset_destroy(&priv->chan[j].chgset);

2
drivers/iio/accel/sca3000.c
View File

@ -980,7 +980,7 @@ static int sca3000_read_data(struct sca3000_state *st,
st->tx[0] = SCA3000_READ_REG(reg_address_high);
ret = spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer));
if (ret) {
dev_err(get_device(&st->us->dev), "problem reading register");
dev_err(&st->us->dev, "problem reading register\n");
return ret;
}

20
drivers/iio/adc/stm32-adc.c
View File

@ -1757,15 +1757,27 @@ static int stm32_adc_chan_of_init(struct iio_dev *indio_dev)
return 0;
}
static int stm32_adc_dma_request(struct iio_dev *indio_dev)
static int stm32_adc_dma_request(struct device *dev, struct iio_dev *indio_dev)
{
struct stm32_adc *adc = iio_priv(indio_dev);
struct dma_slave_config config;
int ret;
adc->dma_chan = dma_request_slave_channel(&indio_dev->dev, "rx");
if (!adc->dma_chan)
adc->dma_chan = dma_request_chan(dev, "rx");
if (IS_ERR(adc->dma_chan)) {
ret = PTR_ERR(adc->dma_chan);
if (ret != -ENODEV) {
if (ret != -EPROBE_DEFER)
dev_err(dev,
"DMA channel request failed with %d\n",
ret);
return ret;
}
/* DMA is optional: fall back to IRQ mode */
adc->dma_chan = NULL;
return 0;
}
adc->rx_buf = dma_alloc_coherent(adc->dma_chan->device->dev,
STM32_DMA_BUFFER_SIZE,
@ -1862,7 +1874,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
ret = stm32_adc_dma_request(indio_dev);
ret = stm32_adc_dma_request(dev, indio_dev);
if (ret < 0)
return ret;

36
drivers/iio/adc/stm32-dfsdm-adc.c
View File

@ -62,7 +62,7 @@ enum sd_converter_type {
struct stm32_dfsdm_dev_data {
int type;
int (*init)(struct iio_dev *indio_dev);
int (*init)(struct device *dev, struct iio_dev *indio_dev);
unsigned int num_channels;
const struct regmap_config *regmap_cfg;
};
@ -1359,13 +1359,18 @@ static void stm32_dfsdm_dma_release(struct iio_dev *indio_dev)
}
}
static int stm32_dfsdm_dma_request(struct iio_dev *indio_dev)
static int stm32_dfsdm_dma_request(struct device *dev,
struct iio_dev *indio_dev)
{
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
adc->dma_chan = dma_request_slave_channel(&indio_dev->dev, "rx");
if (!adc->dma_chan)
return -EINVAL;
adc->dma_chan = dma_request_chan(dev, "rx");
if (IS_ERR(adc->dma_chan)) {
int ret = PTR_ERR(adc->dma_chan);
adc->dma_chan = NULL;
return ret;
}
adc->rx_buf = dma_alloc_coherent(adc->dma_chan->device->dev,
DFSDM_DMA_BUFFER_SIZE,
@ -1415,7 +1420,7 @@ static int stm32_dfsdm_adc_chan_init_one(struct iio_dev *indio_dev,
&adc->dfsdm->ch_list[ch->channel]);
}
static int stm32_dfsdm_audio_init(struct iio_dev *indio_dev)
static int stm32_dfsdm_audio_init(struct device *dev, struct iio_dev *indio_dev)
{
struct iio_chan_spec *ch;
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
@ -1442,10 +1447,10 @@ static int stm32_dfsdm_audio_init(struct iio_dev *indio_dev)
indio_dev->num_channels = 1;
indio_dev->channels = ch;
return stm32_dfsdm_dma_request(indio_dev);
return stm32_dfsdm_dma_request(dev, indio_dev);
}
static int stm32_dfsdm_adc_init(struct iio_dev *indio_dev)
static int stm32_dfsdm_adc_init(struct device *dev, struct iio_dev *indio_dev)
{
struct iio_chan_spec *ch;
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
@ -1489,8 +1494,17 @@ static int stm32_dfsdm_adc_init(struct iio_dev *indio_dev)
init_completion(&adc->completion);
/* Optionally request DMA */
if (stm32_dfsdm_dma_request(indio_dev)) {
dev_dbg(&indio_dev->dev, "No DMA support\n");
ret = stm32_dfsdm_dma_request(dev, indio_dev);
if (ret) {
if (ret != -ENODEV) {
if (ret != -EPROBE_DEFER)
dev_err(dev,
"DMA channel request failed with %d\n",
ret);
return ret;
}
dev_dbg(dev, "No DMA support\n");
return 0;
}
@ -1603,7 +1617,7 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
adc->dfsdm->fl_list[adc->fl_id].sync_mode = val;
adc->dev_data = dev_data;
ret = dev_data->init(iio);
ret = dev_data->init(dev, iio);
if (ret < 0)
return ret;

8
drivers/iio/adc/ti-ads8344.c
View File

@ -32,16 +32,17 @@ struct ads8344 {
u8 rx_buf[3];
};
#define ADS8344_VOLTAGE_CHANNEL(chan, si) \
#define ADS8344_VOLTAGE_CHANNEL(chan, addr) \
{ \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = chan, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.address = addr, \
}
#define ADS8344_VOLTAGE_CHANNEL_DIFF(chan1, chan2, si) \
#define ADS8344_VOLTAGE_CHANNEL_DIFF(chan1, chan2, addr) \
{ \
.type = IIO_VOLTAGE, \
.indexed = 1, \
@ -50,6 +51,7 @@ struct ads8344 {
.differential = 1, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
.address = addr, \
}
static const struct iio_chan_spec ads8344_channels[] = {
@ -105,7 +107,7 @@ static int ads8344_read_raw(struct iio_dev *iio,
switch (mask) {
case IIO_CHAN_INFO_RAW:
mutex_lock(&adc->lock);
*value = ads8344_adc_conversion(adc, channel->scan_index,
*value = ads8344_adc_conversion(adc, channel->address,
channel->differential);
mutex_unlock(&adc->lock);
if (*value < 0)

1
drivers/iio/dac/vf610_dac.c
View File

@ -225,6 +225,7 @@ static int vf610_dac_probe(struct platform_device *pdev)
return 0;
error_iio_device_register:
vf610_dac_exit(info);
clk_disable_unprepare(info->clk);
return ret;

1
drivers/iommu/amd_iommu.c
View File

@ -2386,6 +2386,7 @@ static void update_domain(struct protection_domain *domain)
domain_flush_devices(domain);
domain_flush_tlb_pde(domain);
domain_flush_complete(domain);
}
static int dir2prot(enum dma_data_direction direction)

9
drivers/iommu/amd_iommu_init.c
View File

@ -1331,8 +1331,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
}
case IVHD_DEV_ACPI_HID: {
u16 devid;
u8 hid[ACPIHID_HID_LEN] = {0};
u8 uid[ACPIHID_UID_LEN] = {0};
u8 hid[ACPIHID_HID_LEN];
u8 uid[ACPIHID_UID_LEN];
int ret;
if (h->type != 0x40) {
@ -1349,6 +1349,7 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
break;
}
uid[0] = '\0';
switch (e->uidf) {
case UID_NOT_PRESENT:
@ -1363,8 +1364,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
break;
case UID_IS_CHARACTER:
memcpy(uid, (u8 *)(&e->uid), ACPIHID_UID_LEN - 1);
uid[ACPIHID_UID_LEN - 1] = '\0';
memcpy(uid, &e->uid, e->uidl);
uid[e->uidl] = '\0';
break;
default:

1
drivers/ipack/carriers/tpci200.c
View File

@ -306,6 +306,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to map driver user space!",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
res = -ENOMEM;
goto out_release_mem8_space;
}

2
drivers/media/platform/rcar_fdp1.c
View File

@ -2369,7 +2369,7 @@ static int fdp1_probe(struct platform_device *pdev)
dprintk(fdp1, "FDP1 Version R-Car H3\n");
break;
case FD1_IP_M3N:
dprintk(fdp1, "FDP1 Version R-Car M3N\n");
dprintk(fdp1, "FDP1 Version R-Car M3-N\n");
break;
case FD1_IP_E3:
dprintk(fdp1, "FDP1 Version R-Car E3\n");

3
drivers/misc/cardreader/rtsx_pcr.c
View File

@ -143,6 +143,9 @@ static void rtsx_comm_pm_full_on(struct rtsx_pcr *pcr)
rtsx_disable_aspm(pcr);
/* Fixes DMA transfer timout issue after disabling ASPM on RTS5260 */
msleep(1);
if (option->ltr_enabled)
rtsx_set_ltr_latency(pcr, option->ltr_active_latency);

2
drivers/misc/mei/client.c
View File

@ -266,6 +266,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
down_write(&dev->me_clients_rwsem);
me_cl = __mei_me_cl_by_uuid(dev, uuid);
__mei_me_cl_del(dev, me_cl);
mei_me_cl_put(me_cl);
up_write(&dev->me_clients_rwsem);
}
@ -287,6 +288,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
down_write(&dev->me_clients_rwsem);
me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
__mei_me_cl_del(dev, me_cl);
mei_me_cl_put(me_cl);
up_write(&dev->me_clients_rwsem);
}

2
drivers/mtd/mtdcore.c
View File

@ -563,7 +563,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd)
config.id = -1;
config.dev = &mtd->dev;
config.name = mtd->name;
config.name = dev_name(&mtd->dev);
config.owner = THIS_MODULE;
config.reg_read = mtd_nvmem_reg_read;
config.size = mtd->size;

4
drivers/mtd/nand/spi/core.c
View File

@ -1049,6 +1049,10 @@ static int spinand_init(struct spinand_device *spinand)
mtd->oobavail = ret;
/* Propagate ECC information to mtd_info */
mtd->ecc_strength = nand->eccreq.strength;
mtd->ecc_step_size = nand->eccreq.step_size;
return 0;
err_cleanup_nanddev:

12
drivers/mtd/ubi/debug.c
View File

@ -392,9 +392,6 @@ static void *eraseblk_count_seq_start(struct seq_file *s, loff_t *pos)
{
struct ubi_device *ubi = s->private;
if (*pos == 0)
return SEQ_START_TOKEN;
if (*pos < ubi->peb_count)
return pos;
@ -408,8 +405,6 @@ static void *eraseblk_count_seq_next(struct seq_file *s, void *v, loff_t *pos)
{
struct ubi_device *ubi = s->private;
if (v == SEQ_START_TOKEN)
return pos;
(*pos)++;
if (*pos < ubi->peb_count)
@ -431,11 +426,8 @@ static int eraseblk_count_seq_show(struct seq_file *s, void *iter)
int err;
/* If this is the start, print a header */
if (iter == SEQ_START_TOKEN) {
seq_puts(s,
"physical_block_number\terase_count\tblock_status\tread_status\n");
return 0;
}
if (*block_number == 0)
seq_puts(s, "physical_block_number\terase_count\n");
err = ubi_io_is_bad(ubi, *block_number);
if (err)

2
drivers/net/ethernet/amazon/ena/ena_netdev.h
View File

@ -68,7 +68,7 @@
* 16kB.
*/
#if PAGE_SIZE > SZ_16K
#define ENA_PAGE_SIZE SZ_16K
#define ENA_PAGE_SIZE (_AC(SZ_16K, UL))
#else
#define ENA_PAGE_SIZE PAGE_SIZE
#endif

2
drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
View File

@ -56,7 +56,7 @@ static const struct aq_board_revision_s hw_atl_boards[] = {
{ AQ_DEVICE_ID_D108, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc108, },
{ AQ_DEVICE_ID_D109, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc109, },
{ AQ_DEVICE_ID_AQC100, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107, },
{ AQ_DEVICE_ID_AQC100, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc100, },
{ AQ_DEVICE_ID_AQC107, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107, },
{ AQ_DEVICE_ID_AQC108, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc108, },
{ AQ_DEVICE_ID_AQC109, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc109, },

3
drivers/net/ethernet/ibm/ibmvnic.c
View File

@ -2086,7 +2086,8 @@ static void __ibmvnic_reset(struct work_struct *work)
rc = do_hard_reset(adapter, rwi, reset_state);
rtnl_unlock();
}
} else {
} else if (!(rwi->reset_reason == VNIC_RESET_FATAL &&
adapter->from_passive_init)) {
rc = do_reset(adapter, rwi, reset_state);
}
kfree(rwi);

7
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -3832,7 +3832,7 @@ static int stmmac_set_features(struct net_device *netdev,
/**
* stmmac_interrupt - main ISR
* @irq: interrupt number.
* @dev_id: to pass the net device pointer.
* @dev_id: to pass the net device pointer (must be valid).
* Description: this is the main driver interrupt service routine.
* It can call:
* o DMA service routine (to manage incoming frame reception and transmission
@ -3856,11 +3856,6 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
if (priv->irq_wake)
pm_wakeup_event(priv->device, 0);
if (unlikely(!dev)) {
netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__);
return IRQ_NONE;
}
/* Check if adapter is up */
if (test_bit(STMMAC_DOWN, &priv->state))
return IRQ_HANDLED;

9
drivers/net/gtp.c
View File

@ -1172,11 +1172,11 @@ static int gtp_genl_del_pdp(struct sk_buff *skb, struct genl_info *info)
static struct genl_family gtp_genl_family;
static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq,
u32 type, struct pdp_ctx *pctx)
int flags, u32 type, struct pdp_ctx *pctx)
{
void *genlh;
genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, 0,
genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, flags,
type);
if (genlh == NULL)
goto nlmsg_failure;
@ -1230,8 +1230,8 @@ static int gtp_genl_get_pdp(struct sk_buff *skb, struct genl_info *info)
goto err_unlock;
}
err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid,
info->snd_seq, info->nlhdr->nlmsg_type, pctx);
err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid, info->snd_seq,
0, info->nlhdr->nlmsg_type, pctx);
if (err < 0)
goto err_unlock_free;
@ -1274,6 +1274,7 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb,
gtp_genl_fill_info(skb,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NLM_F_MULTI,
cb->nlh->nlmsg_type, pctx)) {
cb->args[0] = i;
cb->args[1] = j;

24
drivers/platform/x86/asus-nb-wmi.c
View File

@ -514,9 +514,33 @@ static struct asus_wmi_driver asus_nb_wmi_driver = {
.detect_quirks = asus_nb_wmi_quirks,
};
static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = {
{
/*
* asus-nb-wm adds no functionality. The T100TA has a detachable
* USB kbd, so no hotkeys and it has no WMI rfkill; and loading
* asus-nb-wm causes the camera LED to turn and _stay_ on.
*/
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
},
},
{
/* The Asus T200TA has the same issue as the T100TA */
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"),
},
},
{} /* Terminating entry */
};
static int __init asus_nb_wmi_init(void)
{
if (dmi_check_system(asus_nb_wmi_blacklist))
return -ENODEV;
return asus_wmi_register_driver(&asus_nb_wmi_driver);
}

5
drivers/rapidio/devices/rio_mport_cdev.c
View File

@ -877,6 +877,11 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
rmcd_error("pinned %ld out of %ld pages",
pinned, nr_pages);
ret = -EFAULT;
/*
* Set nr_pages up to mean "how many pages to unpin, in
* the error handler:
*/
nr_pages = pinned;
goto err_pg;
}

4
drivers/scsi/ibmvscsi/ibmvscsi.c
View File

@ -2320,16 +2320,12 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
static int ibmvscsi_remove(struct vio_dev *vdev)
{
struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev);
unsigned long flags;
srp_remove_host(hostdata->host);
scsi_remove_host(hostdata->host);
purge_requests(hostdata, DID_ERROR);
spin_lock_irqsave(hostdata->host->host_lock, flags);
release_event_pool(&hostdata->pool, hostdata);
spin_unlock_irqrestore(hostdata->host->host_lock, flags);
ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,
max_events);

5
drivers/scsi/qla2xxx/qla_attr.c
View File

@ -1775,9 +1775,6 @@ qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
return -EINVAL;
}
ql_log(ql_log_info, vha, 0x70d6,
"port speed:%d\n", ha->link_data_rate);
return scnprintf(buf, PAGE_SIZE, "%s\n", spd[ha->link_data_rate]);
}
@ -2926,11 +2923,11 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
msleep(1000);
qla_nvme_delete(vha);
qla24xx_disable_vp(vha);
qla2x00_wait_for_sess_deletion(vha);
qla_nvme_delete(vha);
vha->flags.delete_progress = 1;
qlt_remove_target(ha, vha);

2
drivers/scsi/qla2xxx/qla_mbx.c
View File

@ -3117,7 +3117,7 @@ qla24xx_abort_command(srb_t *sp)
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108c,
"Entered %s.\n", __func__);
if (vha->flags.qpairs_available && sp->qpair)
if (sp->qpair)
req = sp->qpair->req;
else
return QLA_FUNCTION_FAILED;

4
drivers/staging/greybus/uart.c
View File

@ -537,9 +537,9 @@ static void gb_tty_set_termios(struct tty_struct *tty,
}
if (C_CRTSCTS(tty) && C_BAUD(tty) != B0)
newline.flow_control |= GB_SERIAL_AUTO_RTSCTS_EN;
newline.flow_control = GB_SERIAL_AUTO_RTSCTS_EN;
else
newline.flow_control &= ~GB_SERIAL_AUTO_RTSCTS_EN;
newline.flow_control = 0;
if (memcmp(&gb_tty->line_coding, &newline, sizeof(newline))) {
memcpy(&gb_tty->line_coding, &newline, sizeof(newline));

17
drivers/staging/iio/resolver/ad2s1210.c
View File

@ -130,17 +130,24 @@ static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data)
static int ad2s1210_config_read(struct ad2s1210_state *st,
unsigned char address)
{
struct spi_transfer xfer = {
.len = 2,
.rx_buf = st->rx,
.tx_buf = st->tx,
struct spi_transfer xfers[] = {
{
.len = 1,
.rx_buf = &st->rx[0],
.tx_buf = &st->tx[0],
.cs_change = 1,
}, {
.len = 1,
.rx_buf = &st->rx[1],
.tx_buf = &st->tx[1],
},
};
int ret = 0;
ad2s1210_set_mode(MOD_CONFIG, st);
st->tx[0] = address | AD2S1210_MSB_IS_HIGH;
st->tx[1] = AD2S1210_REG_FAULT;
ret = spi_sync_transfer(st->sdev, &xfer, 1);
ret = spi_sync_transfer(st->sdev, xfers, 2);
if (ret < 0)
return ret;

9
drivers/staging/kpc2000/kpc2000/core.c
View File

@ -298,7 +298,6 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
{
int err = 0;
struct kp2000_device *pcard;
int rv;
unsigned long reg_bar_phys_addr;
unsigned long reg_bar_phys_len;
unsigned long dma_bar_phys_addr;
@ -445,11 +444,11 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
if (err < 0)
goto err_release_dma;
rv = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED,
pcard->name, pcard);
if (rv) {
err = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED,
pcard->name, pcard);
if (err) {
dev_err(&pcard->pdev->dev,
"%s: failed to request_irq: %d\n", __func__, rv);
"%s: failed to request_irq: %d\n", __func__, err);
goto err_disable_msi;
}

1
drivers/target/target_core_transport.c
View File

@ -3336,6 +3336,7 @@ static void target_tmr_work(struct work_struct *work)
cmd->se_tfo->queue_tm_rsp(cmd);
transport_lun_remove_cmd(cmd);
transport_cmd_check_stop_to_fabric(cmd);
return;

1
drivers/tty/serial/sifive.c
View File

@ -840,6 +840,7 @@ console_initcall(sifive_console_init);
static void __ssp_add_console_port(struct sifive_serial_port *ssp)
{
spin_lock_init(&ssp->port.lock);
sifive_serial_console_ports[ssp->port.line] = ssp;
}

4
drivers/usb/core/message.c
View File

@ -1143,11 +1143,11 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
if (usb_endpoint_out(epaddr)) {
ep = dev->ep_out[epnum];
if (reset_hardware)
if (reset_hardware && epnum != 0)
dev->ep_out[epnum] = NULL;
} else {
ep = dev->ep_in[epnum];
if (reset_hardware)
if (reset_hardware && epnum != 0)
dev->ep_in[epnum] = NULL;
}
if (ep) {

10
drivers/vhost/vsock.c
View File

@ -181,14 +181,14 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
break;
}
vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
added = true;
/* Deliver to monitoring devices all correctly transmitted
* packets.
/* Deliver to monitoring devices all packets that we
* will transmit.
*/
virtio_transport_deliver_tap_pkt(pkt);
vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
added = true;
pkt->off += payload_len;
total_len += payload_len;

18
fs/afs/fs_probe.c
View File

@ -32,9 +32,8 @@ void afs_fileserver_probe_result(struct afs_call *call)
struct afs_server *server = call->server;
unsigned int server_index = call->server_index;
unsigned int index = call->addr_ix;
unsigned int rtt = UINT_MAX;
unsigned int rtt_us;
bool have_result = false;
u64 _rtt;
int ret = call->error;
_enter("%pU,%u", &server->uuid, index);
@ -93,15 +92,9 @@ void afs_fileserver_probe_result(struct afs_call *call)
}
}
/* Get the RTT and scale it to fit into a 32-bit value that represents
* over a minute of time so that we can access it with one instruction
* on a 32-bit system.
*/
_rtt = rxrpc_kernel_get_rtt(call->net->socket, call->rxcall);
_rtt /= 64;
rtt = (_rtt > UINT_MAX) ? UINT_MAX : _rtt;
if (rtt < server->probe.rtt) {
server->probe.rtt = rtt;
rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall);
if (rtt_us < server->probe.rtt) {
server->probe.rtt = rtt_us;
alist->preferred = index;
have_result = true;
}
@ -113,8 +106,7 @@ void afs_fileserver_probe_result(struct afs_call *call)
spin_unlock(&server->probe_lock);
_debug("probe [%u][%u] %pISpc rtt=%u ret=%d",
server_index, index, &alist->addrs[index].transport,
(unsigned int)rtt, ret);
server_index, index, &alist->addrs[index].transport, rtt_us, ret);
have_result |= afs_fs_probe_done(server);
if (have_result) {

8
fs/afs/fsclient.c
View File

@ -385,8 +385,6 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
ASSERTCMP(req->offset, <=, PAGE_SIZE);
if (req->offset == PAGE_SIZE) {
req->offset = 0;
if (req->page_done)
req->page_done(req);
req->index++;
if (req->remain > 0)
goto begin_page;
@ -440,11 +438,13 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
if (req->offset < PAGE_SIZE)
zero_user_segment(req->pages[req->index],
req->offset, PAGE_SIZE);
if (req->page_done)
req->page_done(req);
req->offset = 0;
}
if (req->page_done)
for (req->index = 0; req->index < req->nr_pages; req->index++)
req->page_done(req);
_leave(" = 0 [done]");
return 0;
}

18
fs/afs/vl_probe.c
View File

@ -31,10 +31,9 @@ void afs_vlserver_probe_result(struct afs_call *call)
struct afs_addr_list *alist = call->alist;
struct afs_vlserver *server = call->vlserver;
unsigned int server_index = call->server_index;
unsigned int rtt_us = 0;
unsigned int index = call->addr_ix;
unsigned int rtt = UINT_MAX;
bool have_result = false;
u64 _rtt;
int ret = call->error;
_enter("%s,%u,%u,%d,%d", server->name, server_index, index, ret, call->abort_code);
@ -93,15 +92,9 @@ void afs_vlserver_probe_result(struct afs_call *call)
}
}
/* Get the RTT and scale it to fit into a 32-bit value that represents
* over a minute of time so that we can access it with one instruction
* on a 32-bit system.
*/
_rtt = rxrpc_kernel_get_rtt(call->net->socket, call->rxcall);
_rtt /= 64;
rtt = (_rtt > UINT_MAX) ? UINT_MAX : _rtt;
if (rtt < server->probe.rtt) {
server->probe.rtt = rtt;
rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall);
if (rtt_us < server->probe.rtt) {
server->probe.rtt = rtt_us;
alist->preferred = index;
have_result = true;
}
@ -113,8 +106,7 @@ void afs_vlserver_probe_result(struct afs_call *call)
spin_unlock(&server->probe_lock);
_debug("probe [%u][%u] %pISpc rtt=%u ret=%d",
server_index, index, &alist->addrs[index].transport,
(unsigned int)rtt, ret);
server_index, index, &alist->addrs[index].transport, rtt_us, ret);
have_result |= afs_vl_probe_done(server);
if (have_result) {

8
fs/afs/yfsclient.c
View File

@ -497,8 +497,6 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
ASSERTCMP(req->offset, <=, PAGE_SIZE);
if (req->offset == PAGE_SIZE) {
req->offset = 0;
if (req->page_done)
req->page_done(req);
req->index++;
if (req->remain > 0)
goto begin_page;
@ -556,11 +554,13 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
if (req->offset < PAGE_SIZE)
zero_user_segment(req->pages[req->index],
req->offset, PAGE_SIZE);
if (req->page_done)
req->page_done(req);
req->offset = 0;
}
if (req->page_done)
for (req->index = 0; req->index < req->nr_pages; req->index++)
req->page_done(req);
_leave(" = 0 [done]");
return 0;
}

1
fs/ceph/caps.c
View File

@ -3693,6 +3693,7 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
WARN_ON(1);
tsession = NULL;
target = -1;
mutex_lock(&session->s_mutex);
}
goto retry;

1
fs/configfs/dir.c
View File

@ -1519,6 +1519,7 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
spin_lock(&configfs_dirent_lock);
configfs_detach_rollback(dentry);
spin_unlock(&configfs_dirent_lock);
config_item_put(parent_item);
return -EINTR;
}
frag->frag_dead = true;

2
fs/file.c
View File

@ -70,7 +70,7 @@ static void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt,
*/
static void copy_fdtable(struct fdtable *nfdt, struct fdtable *ofdt)
{
unsigned int cpy, set;
size_t cpy, set;
BUG_ON(nfdt->max_fds < ofdt->max_fds);

3
fs/gfs2/glock.c
View File

@ -639,9 +639,6 @@ __acquires(&gl->gl_lockref.lock)
goto out_unlock;
if (nonblock)
goto out_sched;
smp_mb();
if (atomic_read(&gl->gl_revokes) != 0)
goto out_sched;
set_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags);
GLOCK_BUG_ON(gl, gl->gl_demote_state == LM_ST_EXCLUSIVE);
gl->gl_target = gl->gl_demote_state;

17
fs/ubifs/auth.c
View File

@ -79,13 +79,9 @@ int ubifs_prepare_auth_node(struct ubifs_info *c, void *node,
struct shash_desc *inhash)
{
struct ubifs_auth_node *auth = node;
u8 *hash;
u8 hash[UBIFS_HASH_ARR_SZ];
int err;
hash = kmalloc(crypto_shash_descsize(c->hash_tfm), GFP_NOFS);
if (!hash)
return -ENOMEM;
{
SHASH_DESC_ON_STACK(hash_desc, c->hash_tfm);
@ -94,21 +90,16 @@ int ubifs_prepare_auth_node(struct ubifs_info *c, void *node,
err = crypto_shash_final(hash_desc, hash);
if (err)
goto out;
return err;
}
err = ubifs_hash_calc_hmac(c, hash, auth->hmac);
if (err)
goto out;
return err;
auth->ch.node_type = UBIFS_AUTH_NODE;
ubifs_prepare_node(c, auth, ubifs_auth_node_sz(c), 0);
err = 0;
out:
kfree(hash);
return err;
return 0;
}
static struct shash_desc *ubifs_get_desc(const struct ubifs_info *c,

6
fs/ubifs/file.c
View File

@ -1375,7 +1375,6 @@ int ubifs_update_time(struct inode *inode, struct timespec64 *time,
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_budget_req req = { .dirtied_ino = 1,
.dirtied_ino_d = ALIGN(ui->data_len, 8) };
int iflags = I_DIRTY_TIME;
int err, release;
if (!IS_ENABLED(CONFIG_UBIFS_ATIME_SUPPORT))
@ -1393,11 +1392,8 @@ int ubifs_update_time(struct inode *inode, struct timespec64 *time,
if (flags & S_MTIME)
inode->i_mtime = *time;
if (!(inode->i_sb->s_flags & SB_LAZYTIME))
iflags |= I_DIRTY_SYNC;
release = ui->dirty;
__mark_inode_dirty(inode, iflags);
__mark_inode_dirty(inode, I_DIRTY_SYNC);
mutex_unlock(&ui->ui_mutex);
if (release)
ubifs_release_budget(c, &req);

13
fs/ubifs/replay.c
View File

@ -601,18 +601,12 @@ static int authenticate_sleb(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
struct ubifs_scan_node *snod;
int n_nodes = 0;
int err;
u8 *hash, *hmac;
u8 hash[UBIFS_HASH_ARR_SZ];
u8 hmac[UBIFS_HMAC_ARR_SZ];
if (!ubifs_authenticated(c))
return sleb->nodes_cnt;
hash = kmalloc(crypto_shash_descsize(c->hash_tfm), GFP_NOFS);
hmac = kmalloc(c->hmac_desc_len, GFP_NOFS);
if (!hash || !hmac) {
err = -ENOMEM;
goto out;
}
list_for_each_entry(snod, &sleb->nodes, list) {
n_nodes++;
@ -662,9 +656,6 @@ static int authenticate_sleb(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
err = 0;
}
out:
kfree(hash);
kfree(hmac);
return err ? err : n_nodes - n_not_auth;
}

8
include/linux/filter.h
View File

@ -830,8 +830,12 @@ bpf_ctx_narrow_access_offset(u32 off, u32 size, u32 size_default)
static inline void bpf_prog_lock_ro(struct bpf_prog *fp)
{
set_vm_flush_reset_perms(fp);
set_memory_ro((unsigned long)fp, fp->pages);
#ifndef CONFIG_BPF_JIT_ALWAYS_ON
if (!fp->jited) {
set_vm_flush_reset_perms(fp);
set_memory_ro((unsigned long)fp, fp->pages);
}
#endif
}
static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr)

2
include/net/af_rxrpc.h
View File

@ -59,7 +59,7 @@ bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *);
u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
u32 rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *);
int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
rxrpc_user_attach_call_t, unsigned long, gfp_t,
unsigned int);

2
include/net/drop_monitor.h
View File

@ -19,7 +19,7 @@ struct net_dm_hw_metadata {
struct net_device *input_dev;
};
#if IS_ENABLED(CONFIG_NET_DROP_MONITOR)
#if IS_REACHABLE(CONFIG_NET_DROP_MONITOR)
void net_dm_hw_report(struct sk_buff *skb,
const struct net_dm_hw_metadata *hw_metadata);
#else

3
include/sound/hda_regmap.h
View File

@ -24,6 +24,9 @@ int snd_hdac_regmap_write_raw(struct hdac_device *codec, unsigned int reg,
unsigned int val);
int snd_hdac_regmap_update_raw(struct hdac_device *codec, unsigned int reg,
unsigned int mask, unsigned int val);
int snd_hdac_regmap_update_raw_once(struct hdac_device *codec, unsigned int reg,
unsigned int mask, unsigned int val);
void snd_hdac_regmap_sync(struct hdac_device *codec);
/**
* snd_hdac_regmap_encode_verb - encode the verb to a pseudo register

1
include/sound/hdaudio.h
View File

@ -87,6 +87,7 @@ struct hdac_device {
/* regmap */
struct regmap *regmap;
struct mutex regmap_lock;
struct snd_array vendor_verbs;
bool lazy_cache:1; /* don't wake up for writes */
bool caps_overwriting:1; /* caps overwrite being in process */

52
include/trace/events/rxrpc.h
View File

@ -1112,18 +1112,17 @@ TRACE_EVENT(rxrpc_rtt_tx,
TRACE_EVENT(rxrpc_rtt_rx,
TP_PROTO(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why,
rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial,
s64 rtt, u8 nr, s64 avg),
u32 rtt, u32 rto),
TP_ARGS(call, why, send_serial, resp_serial, rtt, nr, avg),
TP_ARGS(call, why, send_serial, resp_serial, rtt, rto),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum rxrpc_rtt_rx_trace, why )
__field(u8, nr )
__field(rxrpc_serial_t, send_serial )
__field(rxrpc_serial_t, resp_serial )
__field(s64, rtt )
__field(u64, avg )
__field(u32, rtt )
__field(u32, rto )
),
TP_fast_assign(
@ -1132,18 +1131,16 @@ TRACE_EVENT(rxrpc_rtt_rx,
__entry->send_serial = send_serial;
__entry->resp_serial = resp_serial;
__entry->rtt = rtt;
__entry->nr = nr;
__entry->avg = avg;
__entry->rto = rto;
),
TP_printk("c=%08x %s sr=%08x rr=%08x rtt=%lld nr=%u avg=%lld",
TP_printk("c=%08x %s sr=%08x rr=%08x rtt=%u rto=%u",
__entry->call,
__print_symbolic(__entry->why, rxrpc_rtt_rx_traces),
__entry->send_serial,
__entry->resp_serial,
__entry->rtt,
__entry->nr,
__entry->avg)
__entry->rto)
);
TRACE_EVENT(rxrpc_timer,
@ -1544,6 +1541,41 @@ TRACE_EVENT(rxrpc_notify_socket,
__entry->serial)
);
TRACE_EVENT(rxrpc_rx_discard_ack,
TP_PROTO(unsigned int debug_id, rxrpc_serial_t serial,
rxrpc_seq_t first_soft_ack, rxrpc_seq_t call_ackr_first,
rxrpc_seq_t prev_pkt, rxrpc_seq_t call_ackr_prev),
TP_ARGS(debug_id, serial, first_soft_ack, call_ackr_first,
prev_pkt, call_ackr_prev),
TP_STRUCT__entry(
__field(unsigned int, debug_id )
__field(rxrpc_serial_t, serial )
__field(rxrpc_seq_t, first_soft_ack)
__field(rxrpc_seq_t, call_ackr_first)
__field(rxrpc_seq_t, prev_pkt)
__field(rxrpc_seq_t, call_ackr_prev)
),
TP_fast_assign(
__entry->debug_id = debug_id;
__entry->serial = serial;
__entry->first_soft_ack = first_soft_ack;
__entry->call_ackr_first = call_ackr_first;
__entry->prev_pkt = prev_pkt;
__entry->call_ackr_prev = call_ackr_prev;
),
TP_printk("c=%08x r=%08x %08x<%08x %08x<%08x",
__entry->debug_id,
__entry->serial,
__entry->first_soft_ack,
__entry->call_ackr_first,
__entry->prev_pkt,
__entry->call_ackr_prev)
);
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */

58
kernel/sched/fair.c
View File

@ -5246,32 +5246,38 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
cfs_rq = cfs_rq_of(se);
enqueue_entity(cfs_rq, se, flags);
/*
* end evaluation on encountering a throttled cfs_rq
*
* note: in the case of encountering a throttled cfs_rq we will
* post the final h_nr_running increment below.
*/
if (cfs_rq_throttled(cfs_rq))
break;
cfs_rq->h_nr_running++;
cfs_rq->idle_h_nr_running += idle_h_nr_running;
/* end evaluation on encountering a throttled cfs_rq */
if (cfs_rq_throttled(cfs_rq))
goto enqueue_throttle;
flags = ENQUEUE_WAKEUP;
}
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
cfs_rq->h_nr_running++;
cfs_rq->idle_h_nr_running += idle_h_nr_running;
if (cfs_rq_throttled(cfs_rq))
break;
update_load_avg(cfs_rq, se, UPDATE_TG);
update_cfs_group(se);
cfs_rq->h_nr_running++;
cfs_rq->idle_h_nr_running += idle_h_nr_running;
/* end evaluation on encountering a throttled cfs_rq */
if (cfs_rq_throttled(cfs_rq))
goto enqueue_throttle;
/*
* One parent has been throttled and cfs_rq removed from the
* list. Add it back to not break the leaf list.
*/
if (throttled_hierarchy(cfs_rq))
list_add_leaf_cfs_rq(cfs_rq);
}
enqueue_throttle:
if (!se) {
add_nr_running(rq, 1);
/*
@ -5331,17 +5337,13 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
cfs_rq = cfs_rq_of(se);
dequeue_entity(cfs_rq, se, flags);
/*
* end evaluation on encountering a throttled cfs_rq
*
* note: in the case of encountering a throttled cfs_rq we will
* post the final h_nr_running decrement below.
*/
if (cfs_rq_throttled(cfs_rq))
break;
cfs_rq->h_nr_running--;
cfs_rq->idle_h_nr_running -= idle_h_nr_running;
/* end evaluation on encountering a throttled cfs_rq */
if (cfs_rq_throttled(cfs_rq))
goto dequeue_throttle;
/* Don't dequeue parent if it has other entities besides us */
if (cfs_rq->load.weight) {
/* Avoid re-evaluating load for this entity: */
@ -5359,16 +5361,20 @@ static void dequeue_task_fair(struct rq *rq, struct task_struct *p, int flags)
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
cfs_rq->h_nr_running--;
cfs_rq->idle_h_nr_running -= idle_h_nr_running;
if (cfs_rq_throttled(cfs_rq))
break;
update_load_avg(cfs_rq, se, UPDATE_TG);
update_cfs_group(se);
cfs_rq->h_nr_running--;
cfs_rq->idle_h_nr_running -= idle_h_nr_running;
/* end evaluation on encountering a throttled cfs_rq */
if (cfs_rq_throttled(cfs_rq))
goto dequeue_throttle;
}
dequeue_throttle:
if (!se)
sub_nr_running(rq, 1);

19
lib/test_printf.c
View File

@ -212,6 +212,7 @@ test_string(void)
#define PTR_STR "ffff0123456789ab"
#define PTR_VAL_NO_CRNG "(____ptrval____)"
#define ZEROS "00000000" /* hex 32 zero bits */
#define ONES "ffffffff" /* hex 32 one bits */
static int __init
plain_format(void)
@ -243,6 +244,7 @@ plain_format(void)
#define PTR_STR "456789ab"
#define PTR_VAL_NO_CRNG "(ptrval)"
#define ZEROS ""
#define ONES ""
static int __init
plain_format(void)
@ -328,14 +330,28 @@ test_hashed(const char *fmt, const void *p)
test(buf, fmt, p);
}
/*
* NULL pointers aren't hashed.
*/
static void __init
null_pointer(void)
{
test_hashed("%p", NULL);
test(ZEROS "00000000", "%p", NULL);
test(ZEROS "00000000", "%px", NULL);
test("(null)", "%pE", NULL);
}
/*
* Error pointers aren't hashed.
*/
static void __init
error_pointer(void)
{
test(ONES "fffffff5", "%p", ERR_PTR(-11));
test(ONES "fffffff5", "%px", ERR_PTR(-11));
test("(efault)", "%pE", ERR_PTR(-11));
}
#define PTR_INVALID ((void *)0x000000ab)
static void __init
@ -598,6 +614,7 @@ test_pointer(void)
{
plain();
null_pointer();
error_pointer();
invalid_pointer();
symbol_ptr();
kernel_ptr();

7
lib/vsprintf.c
View File

@ -773,6 +773,13 @@ static char *ptr_to_id(char *buf, char *end, const void *ptr,
unsigned long hashval;
int ret;
/*
* Print the real pointer value for NULL and error pointers,
* as they are not actual addresses.
*/
if (IS_ERR_OR_NULL(ptr))
return pointer_string(buf, end, ptr, spec);
/* When debugging early boot use non-cryptographically secure hash. */
if (unlikely(debug_boot_weak_hash)) {
hashval = hash_long((unsigned long)ptr, 32);

8
mm/kasan/Makefile
View File

@ -14,10 +14,10 @@ CFLAGS_REMOVE_tags.o = $(CC_FLAGS_FTRACE)
# Function splitter causes unnecessary splits in __asan_load1/__asan_store1
# see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
CFLAGS_common.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
CFLAGS_generic.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
CFLAGS_generic_report.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
CFLAGS_tags.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
CFLAGS_common.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector) -DDISABLE_BRANCH_PROFILING
CFLAGS_generic.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector) -DDISABLE_BRANCH_PROFILING
CFLAGS_generic_report.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector) -DDISABLE_BRANCH_PROFILING
CFLAGS_tags.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector) -DDISABLE_BRANCH_PROFILING
obj-$(CONFIG_KASAN) := common.o init.o report.o
obj-$(CONFIG_KASAN_GENERIC) += generic.o generic_report.o quarantine.o

1
mm/kasan/generic.c
View File

@ -15,7 +15,6 @@
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define DISABLE_BRANCH_PROFILING
#include <linux/export.h>
#include <linux/interrupt.h>

1
mm/kasan/tags.c
View File

@ -12,7 +12,6 @@
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define DISABLE_BRANCH_PROFILING
#include <linux/export.h>
#include <linux/interrupt.h>

26
net/core/flow_dissector.c
View File

@ -129,12 +129,10 @@ int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
return 0;
}
int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
static int flow_dissector_bpf_prog_detach(struct net *net)
{
struct bpf_prog *attached;
struct net *net;
net = current->nsproxy->net_ns;
mutex_lock(&flow_dissector_mutex);
attached = rcu_dereference_protected(net->flow_dissector_prog,
lockdep_is_held(&flow_dissector_mutex));
@ -169,6 +167,24 @@ static __be16 skb_flow_get_be16(const struct sk_buff *skb, int poff,
return 0;
}
int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
{
return flow_dissector_bpf_prog_detach(current->nsproxy->net_ns);
}
static void __net_exit flow_dissector_pernet_pre_exit(struct net *net)
{
/* We're not racing with attach/detach because there are no
* references to netns left when pre_exit gets called.
*/
if (rcu_access_pointer(net->flow_dissector_prog))
flow_dissector_bpf_prog_detach(net);
}
static struct pernet_operations flow_dissector_pernet_ops __net_initdata = {
.pre_exit = flow_dissector_pernet_pre_exit,
};
/**
* __skb_flow_get_ports - extract the upper layer ports and return them
* @skb: sk_buff to extract the ports from
@ -1759,7 +1775,7 @@ static int __init init_default_flow_dissectors(void)
skb_flow_dissector_init(&flow_keys_basic_dissector,
flow_keys_basic_dissector_keys,
ARRAY_SIZE(flow_keys_basic_dissector_keys));
return 0;
}
return register_pernet_subsys(&flow_dissector_pernet_ops);
}
core_initcall(init_default_flow_dissectors);

1
net/rxrpc/Makefile
View File

@ -25,6 +25,7 @@ rxrpc-y := \
peer_event.o \
peer_object.o \
recvmsg.o \
rtt.o \
security.o \
sendmsg.o \
skbuff.o \

25
net/rxrpc/ar-internal.h
View File

@ -7,6 +7,7 @@
#include <linux/atomic.h>
#include <linux/seqlock.h>
#include <linux/win_minmax.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <net/sock.h>
@ -311,11 +312,14 @@ struct rxrpc_peer {
#define RXRPC_RTT_CACHE_SIZE 32
spinlock_t rtt_input_lock; /* RTT lock for input routine */
ktime_t rtt_last_req; /* Time of last RTT request */
u64 rtt; /* Current RTT estimate (in nS) */
u64 rtt_sum; /* Sum of cache contents */
u64 rtt_cache[RXRPC_RTT_CACHE_SIZE]; /* Determined RTT cache */
u8 rtt_cursor; /* next entry at which to insert */
u8 rtt_usage; /* amount of cache actually used */
unsigned int rtt_count; /* Number of samples we've got */
u32 srtt_us; /* smoothed round trip time << 3 in usecs */
u32 mdev_us; /* medium deviation */
u32 mdev_max_us; /* maximal mdev for the last rtt period */
u32 rttvar_us; /* smoothed mdev_max */
u32 rto_j; /* Retransmission timeout in jiffies */
u8 backoff; /* Backoff timeout */
u8 cong_cwnd; /* Congestion window size */
};
@ -1041,7 +1045,6 @@ extern unsigned long rxrpc_idle_ack_delay;
extern unsigned int rxrpc_rx_window_size;
extern unsigned int rxrpc_rx_mtu;
extern unsigned int rxrpc_rx_jumbo_max;
extern unsigned long rxrpc_resend_timeout;
extern const s8 rxrpc_ack_priority[];
@ -1069,8 +1072,6 @@ void rxrpc_send_keepalive(struct rxrpc_peer *);
* peer_event.c
*/
void rxrpc_error_report(struct sock *);
void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace,
rxrpc_serial_t, rxrpc_serial_t, ktime_t, ktime_t);
void rxrpc_peer_keepalive_worker(struct work_struct *);
/*
@ -1102,6 +1103,14 @@ extern const struct seq_operations rxrpc_peer_seq_ops;
void rxrpc_notify_socket(struct rxrpc_call *);
int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
* rtt.c
*/
void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace,
rxrpc_serial_t, rxrpc_serial_t, ktime_t, ktime_t);
unsigned long rxrpc_get_rto_backoff(struct rxrpc_peer *, bool);
void rxrpc_peer_init_rtt(struct rxrpc_peer *);
/*
* rxkad.c
*/

2
net/rxrpc/call_accept.c
View File

@ -248,7 +248,7 @@ static void rxrpc_send_ping(struct rxrpc_call *call, struct sk_buff *skb)
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
ktime_t now = skb->tstamp;
if (call->peer->rtt_usage < 3 ||
if (call->peer->rtt_count < 3 ||
ktime_before(ktime_add_ms(call->peer->rtt_last_req, 1000), now))
rxrpc_propose_ACK(call, RXRPC_ACK_PING, sp->hdr.serial,
true, true,

22
net/rxrpc/call_event.c
View File

@ -111,8 +111,8 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
} else {
unsigned long now = jiffies, ack_at;
if (call->peer->rtt_usage > 0)
ack_at = nsecs_to_jiffies(call->peer->rtt);
if (call->peer->srtt_us != 0)
ack_at = usecs_to_jiffies(call->peer->srtt_us >> 3);
else
ack_at = expiry;
@ -157,24 +157,18 @@ static void rxrpc_congestion_timeout(struct rxrpc_call *call)
static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
{
struct sk_buff *skb;
unsigned long resend_at;
unsigned long resend_at, rto_j;
rxrpc_seq_t cursor, seq, top;
ktime_t now, max_age, oldest, ack_ts, timeout, min_timeo;
ktime_t now, max_age, oldest, ack_ts;
int ix;
u8 annotation, anno_type, retrans = 0, unacked = 0;
_enter("{%d,%d}", call->tx_hard_ack, call->tx_top);
if (call->peer->rtt_usage > 1)
timeout = ns_to_ktime(call->peer->rtt * 3 / 2);
else
timeout = ms_to_ktime(rxrpc_resend_timeout);
min_timeo = ns_to_ktime((1000000000 / HZ) * 4);
if (ktime_before(timeout, min_timeo))
timeout = min_timeo;
rto_j = call->peer->rto_j;
now = ktime_get_real();
max_age = ktime_sub(now, timeout);
max_age = ktime_sub(now, jiffies_to_usecs(rto_j));
spin_lock_bh(&call->lock);
@ -219,7 +213,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
}
resend_at = nsecs_to_jiffies(ktime_to_ns(ktime_sub(now, oldest)));
resend_at += jiffies + rxrpc_resend_timeout;
resend_at += jiffies + rto_j;
WRITE_ONCE(call->resend_at, resend_at);
if (unacked)
@ -234,7 +228,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
rxrpc_timer_set_for_resend);
spin_unlock_bh(&call->lock);
ack_ts = ktime_sub(now, call->acks_latest_ts);
if (ktime_to_ns(ack_ts) < call->peer->rtt)
if (ktime_to_us(ack_ts) < (call->peer->srtt_us >> 3))
goto out;
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, true, false,
rxrpc_propose_ack_ping_for_lost_ack);

44
net/rxrpc/input.c
View File

@ -91,11 +91,11 @@ static void rxrpc_congestion_management(struct rxrpc_call *call,
/* We analyse the number of packets that get ACK'd per RTT
* period and increase the window if we managed to fill it.
*/
if (call->peer->rtt_usage == 0)
if (call->peer->rtt_count == 0)
goto out;
if (ktime_before(skb->tstamp,
ktime_add_ns(call->cong_tstamp,
call->peer->rtt)))
ktime_add_us(call->cong_tstamp,
call->peer->srtt_us >> 3)))
goto out_no_clear_ca;
change = rxrpc_cong_rtt_window_end;
call->cong_tstamp = skb->tstamp;
@ -802,6 +802,30 @@ static void rxrpc_input_soft_acks(struct rxrpc_call *call, u8 *acks,
}
}
/*
* Return true if the ACK is valid - ie. it doesn't appear to have regressed
* with respect to the ack state conveyed by preceding ACKs.
*/
static bool rxrpc_is_ack_valid(struct rxrpc_call *call,
rxrpc_seq_t first_pkt, rxrpc_seq_t prev_pkt)
{
rxrpc_seq_t base = READ_ONCE(call->ackr_first_seq);
if (after(first_pkt, base))
return true; /* The window advanced */
if (before(first_pkt, base))
return false; /* firstPacket regressed */
if (after_eq(prev_pkt, call->ackr_prev_seq))
return true; /* previousPacket hasn't regressed. */
/* Some rx implementations put a serial number in previousPacket. */
if (after_eq(prev_pkt, base + call->tx_winsize))
return false;
return true;
}
/*
* Process an ACK packet.
*
@ -865,9 +889,12 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
}
/* Discard any out-of-order or duplicate ACKs (outside lock). */
if (before(first_soft_ack, call->ackr_first_seq) ||
before(prev_pkt, call->ackr_prev_seq))
if (!rxrpc_is_ack_valid(call, first_soft_ack, prev_pkt)) {
trace_rxrpc_rx_discard_ack(call->debug_id, sp->hdr.serial,
first_soft_ack, call->ackr_first_seq,
prev_pkt, call->ackr_prev_seq);
return;
}
buf.info.rxMTU = 0;
ioffset = offset + nr_acks + 3;
@ -878,9 +905,12 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
spin_lock(&call->input_lock);
/* Discard any out-of-order or duplicate ACKs (inside lock). */
if (before(first_soft_ack, call->ackr_first_seq) ||
before(prev_pkt, call->ackr_prev_seq))
if (!rxrpc_is_ack_valid(call, first_soft_ack, prev_pkt)) {
trace_rxrpc_rx_discard_ack(call->debug_id, sp->hdr.serial,
first_soft_ack, call->ackr_first_seq,
prev_pkt, call->ackr_prev_seq);
goto out;
}
call->acks_latest_ts = skb->tstamp;
call->ackr_first_seq = first_soft_ack;

5
net/rxrpc/misc.c
View File

@ -63,11 +63,6 @@ unsigned int rxrpc_rx_mtu = 5692;
*/
unsigned int rxrpc_rx_jumbo_max = 4;
/*
* Time till packet resend (in milliseconds).
*/
unsigned long rxrpc_resend_timeout = 4 * HZ;
const s8 rxrpc_ack_priority[] = {
[0] = 0,
[RXRPC_ACK_DELAY] = 1,

9
net/rxrpc/output.c
View File

@ -369,7 +369,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
(test_and_clear_bit(RXRPC_CALL_EV_ACK_LOST, &call->events) ||
retrans ||
call->cong_mode == RXRPC_CALL_SLOW_START ||
(call->peer->rtt_usage < 3 && sp->hdr.seq & 1) ||
(call->peer->rtt_count < 3 && sp->hdr.seq & 1) ||
ktime_before(ktime_add_ms(call->peer->rtt_last_req, 1000),
ktime_get_real())))
whdr.flags |= RXRPC_REQUEST_ACK;
@ -423,13 +423,10 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
if (whdr.flags & RXRPC_REQUEST_ACK) {
call->peer->rtt_last_req = skb->tstamp;
trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_data, serial);
if (call->peer->rtt_usage > 1) {
if (call->peer->rtt_count > 1) {
unsigned long nowj = jiffies, ack_lost_at;
ack_lost_at = nsecs_to_jiffies(2 * call->peer->rtt);
if (ack_lost_at < 1)
ack_lost_at = 1;
ack_lost_at = rxrpc_get_rto_backoff(call->peer, retrans);
ack_lost_at += nowj;
WRITE_ONCE(call->ack_lost_at, ack_lost_at);
rxrpc_reduce_call_timer(call, ack_lost_at, nowj,

46
net/rxrpc/peer_event.c
View File

@ -295,52 +295,6 @@ static void rxrpc_distribute_error(struct rxrpc_peer *peer, int error,
}
}
/*
* Add RTT information to cache. This is called in softirq mode and has
* exclusive access to the peer RTT data.
*/
void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why,
rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial,
ktime_t send_time, ktime_t resp_time)
{
struct rxrpc_peer *peer = call->peer;
s64 rtt;
u64 sum = peer->rtt_sum, avg;
u8 cursor = peer->rtt_cursor, usage = peer->rtt_usage;
rtt = ktime_to_ns(ktime_sub(resp_time, send_time));
if (rtt < 0)
return;
spin_lock(&peer->rtt_input_lock);
/* Replace the oldest datum in the RTT buffer */
sum -= peer->rtt_cache[cursor];
sum += rtt;
peer->rtt_cache[cursor] = rtt;
peer->rtt_cursor = (cursor + 1) & (RXRPC_RTT_CACHE_SIZE - 1);
peer->rtt_sum = sum;
if (usage < RXRPC_RTT_CACHE_SIZE) {
usage++;
peer->rtt_usage = usage;
}
spin_unlock(&peer->rtt_input_lock);
/* Now recalculate the average */
if (usage == RXRPC_RTT_CACHE_SIZE) {
avg = sum / RXRPC_RTT_CACHE_SIZE;
} else {
avg = sum;
do_div(avg, usage);
}
/* Don't need to update this under lock */
peer->rtt = avg;
trace_rxrpc_rtt_rx(call, why, send_serial, resp_serial, rtt,
usage, avg);
}
/*
* Perform keep-alive pings.
*/

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