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Linux 3.18 

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Merge tag 'v3.18' into drm-next

Linux 3.18

Backmerge Linus tree into -next as we had conflicts in i915/radeon/nouveau,
and everyone was solving them individually.

* tag 'v3.18': (57 commits)
  Linux 3.18
  watchdog: s3c2410_wdt: Fix the mask bit offset for Exynos7
  uapi: fix to export linux/vm_sockets.h
  i2c: cadence: Set the hardware time-out register to maximum value
  i2c: davinci: generate STP always when NACK is received
  ahci: disable MSI on SAMSUNG 0xa800 SSD
  context_tracking: Restore previous state in schedule_user
  slab: fix nodeid bounds check for non-contiguous node IDs
  lib/genalloc.c: export devm_gen_pool_create() for modules
  mm: fix anon_vma_clone() error treatment
  mm: fix swapoff hang after page migration and fork
  fat: fix oops on corrupted vfat fs
  ipc/sem.c: fully initialize sem_array before making it visible
  drivers/input/evdev.c: don't kfree() a vmalloc address
  cxgb4: Fill in supported link mode for SFP modules
  xen-netfront: Remove BUGs on paged skb data which crosses a page boundary
  mm/vmpressure.c: fix race in vmpressure_work_fn()
  mm: frontswap: invalidate expired data on a dup-store failure
  mm: do not overwrite reserved pages counter at show_mem()
  drm/radeon: kernel panic in drm_calc_vbltimestamp_from_scanoutpos with 3.18.0-rc6
  ...

Conflicts:
	drivers/gpu/drm/i915/intel_display.c
	drivers/gpu/drm/nouveau/nouveau_drm.c
	drivers/gpu/drm/radeon/radeon_cs.c
This commit is contained in:
Dave Airlie 2014-12-08 10:33:52 +10:00
parent 7608867d0c b2776bf714
commit 8c86394470
60 changed files with 356 additions and 268 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
MAINTAINERS
View File

@ -1838,7 +1838,7 @@ F: include/net/ax25.h
F: net/ax25/
AZ6007 DVB DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -2208,7 +2208,7 @@ F: Documentation/filesystems/btrfs.txt
F: fs/btrfs/
BTTV VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -2729,7 +2729,7 @@ F: drivers/media/common/cx2341x*
F: include/media/cx2341x*
CX88 VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -3419,7 +3419,7 @@ F: fs/ecryptfs/
EDAC-CORE
M: Doug Thompson <dougthompson@xmission.com>
M: Borislav Petkov <bp@alien8.de>
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Supported
@ -3468,7 +3468,7 @@ S: Maintained
F: drivers/edac/e7xxx_edac.c
EDAC-GHES
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
@ -3496,21 +3496,21 @@ S: Maintained
F: drivers/edac/i5000_edac.c
EDAC-I5400
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i5400_edac.c
EDAC-I7300
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i7300_edac.c
EDAC-I7CORE
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
@ -3553,7 +3553,7 @@ S: Maintained
F: drivers/edac/r82600_edac.c
EDAC-SBRIDGE
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
@ -3613,7 +3613,7 @@ S: Maintained
F: drivers/net/ethernet/ibm/ehea/
EM28XX VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -5979,7 +5979,7 @@ S: Maintained
F: drivers/media/radio/radio-maxiradio*
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
P: LinuxTV.org Project
L: linux-media@vger.kernel.org
W: http://linuxtv.org
@ -8030,7 +8030,7 @@ S: Odd Fixes
F: drivers/media/i2c/saa6588*
SAA7134 VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -8488,7 +8488,7 @@ S: Maintained
F: drivers/media/radio/si4713/radio-usb-si4713.c
SIANO DVB DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -8699,7 +8699,9 @@ S: Maintained
F: drivers/leds/leds-net48xx.c
SOFTLOGIC 6x10 MPEG CODEC
M: Ismael Luceno <ismael.luceno@corp.bluecherry.net>
M: Bluecherry Maintainers <maintainers@bluecherrydvr.com>
M: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
M: Andrey Utkin <andrey.krieger.utkin@gmail.com>
L: linux-media@vger.kernel.org
S: Supported
F: drivers/media/pci/solo6x10/
@ -9173,7 +9175,7 @@ S: Maintained
F: drivers/media/i2c/tda9840*
TEA5761 TUNER DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -9181,7 +9183,7 @@ S: Odd fixes
F: drivers/media/tuners/tea5761.*
TEA5767 TUNER DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -9493,7 +9495,7 @@ F: include/linux/shmem_fs.h
F: mm/shmem.c
TM6000 VIDEO4LINUX DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
@ -10314,7 +10316,7 @@ S: Maintained
F: arch/x86/kernel/cpu/mcheck/*
XC2028/3028 TUNER DRIVER
M: Mauro Carvalho Chehab <m.chehab@samsung.com>
M: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 18
SUBLEVEL = 0
EXTRAVERSION = -rc7
EXTRAVERSION =
NAME = Diseased Newt
# *DOCUMENTATION*

8
arch/s390/kernel/nmi.c
View File

@ -54,12 +54,8 @@ void s390_handle_mcck(void)
*/
local_irq_save(flags);
local_mcck_disable();
/*
* Ummm... Does this make sense at all? Copying the percpu struct
* and then zapping it one statement later?
*/
memcpy(&mcck, this_cpu_ptr(&cpu_mcck), sizeof(mcck));
memset(&mcck, 0, sizeof(struct mcck_struct));
mcck = *this_cpu_ptr(&cpu_mcck);
memset(this_cpu_ptr(&cpu_mcck), 0, sizeof(mcck));
clear_cpu_flag(CIF_MCCK_PENDING);
local_mcck_enable();
local_irq_restore(flags);

2
arch/x86/boot/compressed/Makefile
View File

@ -76,7 +76,7 @@ suffix-$(CONFIG_KERNEL_XZ) := xz
suffix-$(CONFIG_KERNEL_LZO) := lzo
suffix-$(CONFIG_KERNEL_LZ4) := lz4
RUN_SIZE = $(shell objdump -h vmlinux | \
RUN_SIZE = $(shell $(OBJDUMP) -h vmlinux | \
perl $(srctree)/arch/x86/tools/calc_run_size.pl)
quiet_cmd_mkpiggy = MKPIGGY $@
cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false )

2
arch/x86/kernel/cpu/microcode/core.c
View File

@ -465,6 +465,7 @@ static void mc_bp_resume(void)
if (uci->valid && uci->mc)
microcode_ops->apply_microcode(cpu);
#ifdef CONFIG_X86_64
else if (!uci->mc)
/*
* We might resume and not have applied late microcode but still
@ -473,6 +474,7 @@ static void mc_bp_resume(void)
* applying patches early on the APs.
*/
load_ucode_ap();
#endif
}
static struct syscore_ops mc_syscore_ops = {

13
block/bio-integrity.c
View File

@ -216,9 +216,10 @@ static int bio_integrity_process(struct bio *bio,
{
struct blk_integrity *bi = bdev_get_integrity(bio->bi_bdev);
struct blk_integrity_iter iter;
struct bio_vec *bv;
struct bvec_iter bviter;
struct bio_vec bv;
struct bio_integrity_payload *bip = bio_integrity(bio);
unsigned int i, ret = 0;
unsigned int ret = 0;
void *prot_buf = page_address(bip->bip_vec->bv_page) +
bip->bip_vec->bv_offset;
@ -227,11 +228,11 @@ static int bio_integrity_process(struct bio *bio,
iter.seed = bip_get_seed(bip);
iter.prot_buf = prot_buf;
bio_for_each_segment_all(bv, bio, i) {
void *kaddr = kmap_atomic(bv->bv_page);
bio_for_each_segment(bv, bio, bviter) {
void *kaddr = kmap_atomic(bv.bv_page);
iter.data_buf = kaddr + bv->bv_offset;
iter.data_size = bv->bv_len;
iter.data_buf = kaddr + bv.bv_offset;
iter.data_size = bv.bv_len;
ret = proc_fn(&iter);
if (ret) {

3
drivers/acpi/video.c
View File

@ -1164,7 +1164,8 @@ static bool acpi_video_device_in_dod(struct acpi_video_device *device)
return true;
for (i = 0; i < video->attached_count; i++) {
if (video->attached_array[i].bind_info == device)
if ((video->attached_array[i].value.int_val & 0xfff) ==
(device->device_id & 0xfff))
return true;
}

4
drivers/ata/ahci.c
View File

@ -321,6 +321,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */
{ PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
@ -492,6 +495,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
* enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731
*/
{ PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi },
{ PCI_VDEVICE(SAMSUNG, 0xa800), board_ahci_nomsi },
/* Enmotus */
{ PCI_DEVICE(0x1c44, 0x8000), board_ahci },

2
drivers/ata/sata_fsl.c
View File

@ -1488,7 +1488,7 @@ static int sata_fsl_probe(struct platform_device *ofdev)
host_priv->csr_base = csr_base;
irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
if (irq < 0) {
if (!irq) {
dev_err(&ofdev->dev, "invalid irq from platform\n");
goto error_exit_with_cleanup;
}

3
drivers/gpu/drm/i915/intel_display.c
View File

@ -4565,7 +4565,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
ironlake_fdi_disable(crtc);
ironlake_disable_pch_transcoder(dev_priv, pipe);
intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true);
if (HAS_PCH_CPT(dev)) {
/* disable TRANS_DP_CTL */
@ -4636,8 +4635,6 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
if (intel_crtc->config.has_pch_encoder) {
lpt_disable_pch_transcoder(dev_priv);
intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
true);
intel_ddi_fdi_disable(crtc);
}

22
drivers/gpu/drm/i915/intel_lvds.c
View File

@ -899,6 +899,17 @@ void intel_lvds_init(struct drm_device *dev)
int pipe;
u8 pin;
/*
* Unlock registers and just leave them unlocked. Do this before
* checking quirk lists to avoid bogus WARNINGs.
*/
if (HAS_PCH_SPLIT(dev)) {
I915_WRITE(PCH_PP_CONTROL,
I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS);
} else {
I915_WRITE(PP_CONTROL,
I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
}
if (!intel_lvds_supported(dev))
return;
@ -1097,17 +1108,6 @@ void intel_lvds_init(struct drm_device *dev)
lvds_encoder->a3_power = I915_READ(lvds_encoder->reg) &
LVDS_A3_POWER_MASK;
/*
* Unlock registers and just
* leave them unlocked
*/
if (HAS_PCH_SPLIT(dev)) {
I915_WRITE(PCH_PP_CONTROL,
I915_READ(PCH_PP_CONTROL) | PANEL_UNLOCK_REGS);
} else {
I915_WRITE(PP_CONTROL,
I915_READ(PP_CONTROL) | PANEL_UNLOCK_REGS);
}
lvds_connector->lid_notifier.notifier_call = intel_lid_notify;
if (acpi_lid_notifier_register(&lvds_connector->lid_notifier)) {
DRM_DEBUG_KMS("lid notifier registration failed\n");

1
drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
View File

@ -218,7 +218,6 @@ nvc0_identify(struct nouveau_device *device)
device->oclass[NVDEV_ENGINE_BSP ] = &nvc0_bsp_oclass;
device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass;
device->oclass[NVDEV_ENGINE_COPY0 ] = &nvc0_copy0_oclass;
device->oclass[NVDEV_ENGINE_COPY1 ] = &nvc0_copy1_oclass;
device->oclass[NVDEV_ENGINE_DISP ] = nva3_disp_oclass;
device->oclass[NVDEV_ENGINE_PERFMON] = &nvc0_perfmon_oclass;
break;

2
drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
View File

@ -551,8 +551,8 @@ nv04_fifo_intr(struct nouveau_subdev *subdev)
}
if (status & 0x40000000) {
nouveau_fifo_uevent(&priv->base);
nv_wr32(priv, 0x002100, 0x40000000);
nouveau_fifo_uevent(&priv->base);
status &= ~0x40000000;
}
}

4
drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
View File

@ -740,6 +740,8 @@ nvc0_fifo_intr_engine_unit(struct nvc0_fifo_priv *priv, int engn)
u32 inte = nv_rd32(priv, 0x002628);
u32 unkn;
nv_wr32(priv, 0x0025a8 + (engn * 0x04), intr);
for (unkn = 0; unkn < 8; unkn++) {
u32 ints = (intr >> (unkn * 0x04)) & inte;
if (ints & 0x1) {
@ -751,8 +753,6 @@ nvc0_fifo_intr_engine_unit(struct nvc0_fifo_priv *priv, int engn)
nv_mask(priv, 0x002628, ints, 0);
}
}
nv_wr32(priv, 0x0025a8 + (engn * 0x04), intr);
}
static void

2
drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
View File

@ -982,8 +982,8 @@ nve0_fifo_intr(struct nouveau_subdev *subdev)
}
if (stat & 0x80000000) {
nve0_fifo_intr_engine(priv);
nv_wr32(priv, 0x002100, 0x80000000);
nve0_fifo_intr_engine(priv);
stat &= ~0x80000000;
}

2
drivers/gpu/drm/nouveau/nouveau_drm.c
View File

@ -664,7 +664,6 @@ nouveau_pmops_suspend(struct device *dev)
pci_save_state(pdev);
pci_disable_device(pdev);
pci_ignore_hotplug(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}
@ -732,6 +731,7 @@ nouveau_pmops_runtime_suspend(struct device *dev)
ret = nouveau_do_suspend(drm_dev, true);
pci_save_state(pdev);
pci_disable_device(pdev);
pci_ignore_hotplug(pdev);
pci_set_power_state(pdev, PCI_D3cold);
drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
return ret;

92
drivers/gpu/drm/nouveau/nouveau_fence.c
View File

@ -52,20 +52,24 @@ nouveau_fctx(struct nouveau_fence *fence)
return container_of(fence->base.lock, struct nouveau_fence_chan, lock);
}
static void
static int
nouveau_fence_signal(struct nouveau_fence *fence)
{
int drop = 0;
fence_signal_locked(&fence->base);
list_del(&fence->head);
rcu_assign_pointer(fence->channel, NULL);
if (test_bit(FENCE_FLAG_USER_BITS, &fence->base.flags)) {
struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
if (!--fctx->notify_ref)
nvif_notify_put(&fctx->notify);
drop = 1;
}
fence_put(&fence->base);
return drop;
}
static struct nouveau_fence *
@ -88,16 +92,23 @@ nouveau_fence_context_del(struct nouveau_fence_chan *fctx)
{
struct nouveau_fence *fence;
nvif_notify_fini(&fctx->notify);
spin_lock_irq(&fctx->lock);
while (!list_empty(&fctx->pending)) {
fence = list_entry(fctx->pending.next, typeof(*fence), head);
nouveau_fence_signal(fence);
fence->channel = NULL;
if (nouveau_fence_signal(fence))
nvif_notify_put(&fctx->notify);
}
spin_unlock_irq(&fctx->lock);
nvif_notify_fini(&fctx->notify);
fctx->dead = 1;
/*
* Ensure that all accesses to fence->channel complete before freeing
* the channel.
*/
synchronize_rcu();
}
static void
@ -112,21 +123,23 @@ nouveau_fence_context_free(struct nouveau_fence_chan *fctx)
kref_put(&fctx->fence_ref, nouveau_fence_context_put);
}
static void
static int
nouveau_fence_update(struct nouveau_channel *chan, struct nouveau_fence_chan *fctx)
{
struct nouveau_fence *fence;
int drop = 0;
u32 seq = fctx->read(chan);
while (!list_empty(&fctx->pending)) {
fence = list_entry(fctx->pending.next, typeof(*fence), head);
if ((int)(seq - fence->base.seqno) < 0)
return;
break;
nouveau_fence_signal(fence);
drop |= nouveau_fence_signal(fence);
}
return drop;
}
static int
@ -135,18 +148,21 @@ nouveau_fence_wait_uevent_handler(struct nvif_notify *notify)
struct nouveau_fence_chan *fctx =
container_of(notify, typeof(*fctx), notify);
unsigned long flags;
int ret = NVIF_NOTIFY_KEEP;
spin_lock_irqsave(&fctx->lock, flags);
if (!list_empty(&fctx->pending)) {
struct nouveau_fence *fence;
struct nouveau_channel *chan;
fence = list_entry(fctx->pending.next, typeof(*fence), head);
nouveau_fence_update(fence->channel, fctx);
chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
if (nouveau_fence_update(fence->channel, fctx))
ret = NVIF_NOTIFY_DROP;
}
spin_unlock_irqrestore(&fctx->lock, flags);
/* Always return keep here. NVIF refcount is handled with nouveau_fence_update */
return NVIF_NOTIFY_KEEP;
return ret;
}
void
@ -262,7 +278,10 @@ nouveau_fence_emit(struct nouveau_fence *fence, struct nouveau_channel *chan)
if (!ret) {
fence_get(&fence->base);
spin_lock_irq(&fctx->lock);
nouveau_fence_update(chan, fctx);
if (nouveau_fence_update(chan, fctx))
nvif_notify_put(&fctx->notify);
list_add_tail(&fence->head, &fctx->pending);
spin_unlock_irq(&fctx->lock);
}
@ -276,13 +295,16 @@ nouveau_fence_done(struct nouveau_fence *fence)
if (fence->base.ops == &nouveau_fence_ops_legacy ||
fence->base.ops == &nouveau_fence_ops_uevent) {
struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
struct nouveau_channel *chan;
unsigned long flags;
if (test_bit(FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))
return true;
spin_lock_irqsave(&fctx->lock, flags);
nouveau_fence_update(fence->channel, fctx);
chan = rcu_dereference_protected(fence->channel, lockdep_is_held(&fctx->lock));
if (chan && nouveau_fence_update(chan, fctx))
nvif_notify_put(&fctx->notify);
spin_unlock_irqrestore(&fctx->lock, flags);
}
return fence_is_signaled(&fence->base);
@ -387,12 +409,18 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
if (fence && (!exclusive || !fobj || !fobj->shared_count)) {
struct nouveau_channel *prev = NULL;
bool must_wait = true;
f = nouveau_local_fence(fence, chan->drm);
if (f)
prev = f->channel;
if (f) {
rcu_read_lock();
prev = rcu_dereference(f->channel);
if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0))
must_wait = false;
rcu_read_unlock();
}
if (!prev || (prev != chan && (ret = fctx->sync(f, prev, chan))))
if (must_wait)
ret = fence_wait(fence, intr);
return ret;
@ -403,19 +431,22 @@ nouveau_fence_sync(struct nouveau_bo *nvbo, struct nouveau_channel *chan, bool e
for (i = 0; i < fobj->shared_count && !ret; ++i) {
struct nouveau_channel *prev = NULL;
bool must_wait = true;
fence = rcu_dereference_protected(fobj->shared[i],
reservation_object_held(resv));
f = nouveau_local_fence(fence, chan->drm);
if (f)
prev = f->channel;
if (f) {
rcu_read_lock();
prev = rcu_dereference(f->channel);
if (prev && (prev == chan || fctx->sync(f, prev, chan) == 0))
must_wait = false;
rcu_read_unlock();
}
if (!prev || (prev != chan && (ret = fctx->sync(f, prev, chan))))
if (must_wait)
ret = fence_wait(fence, intr);
if (ret)
break;
}
return ret;
@ -463,7 +494,7 @@ static const char *nouveau_fence_get_timeline_name(struct fence *f)
struct nouveau_fence *fence = from_fence(f);
struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
return fence->channel ? fctx->name : "dead channel";
return !fctx->dead ? fctx->name : "dead channel";
}
/*
@ -476,9 +507,16 @@ static bool nouveau_fence_is_signaled(struct fence *f)
{
struct nouveau_fence *fence = from_fence(f);
struct nouveau_fence_chan *fctx = nouveau_fctx(fence);
struct nouveau_channel *chan = fence->channel;
struct nouveau_channel *chan;
bool ret = false;
return (int)(fctx->read(chan) - fence->base.seqno) >= 0;
rcu_read_lock();
chan = rcu_dereference(fence->channel);
if (chan)
ret = (int)(fctx->read(chan) - fence->base.seqno) >= 0;
rcu_read_unlock();
return ret;
}
static bool nouveau_fence_no_signaling(struct fence *f)

4
drivers/gpu/drm/nouveau/nouveau_fence.h
View File

@ -14,7 +14,7 @@ struct nouveau_fence {
bool sysmem;
struct nouveau_channel *channel;
struct nouveau_channel __rcu *channel;
unsigned long timeout;
};
@ -47,7 +47,7 @@ struct nouveau_fence_chan {
char name[32];
struct nvif_notify notify;
int notify_ref;
int notify_ref, dead;
};
struct nouveau_fence_priv {

1
drivers/gpu/drm/radeon/radeon_cs.c
View File

@ -241,7 +241,6 @@ static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
resv = reloc->robj->tbo.resv;
r = radeon_sync_resv(p->rdev, &p->ib.sync, resv,
reloc->tv.shared);
if (r)
return r;
}

2
drivers/gpu/drm/radeon/radeon_kms.c
View File

@ -800,6 +800,8 @@ int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
/* Get associated drm_crtc: */
drmcrtc = &rdev->mode_info.crtcs[crtc]->base;
if (!drmcrtc)
return -EINVAL;
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,

7
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -233,6 +233,13 @@ int radeon_bo_create(struct radeon_device *rdev,
if (!(rdev->flags & RADEON_IS_PCIE))
bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC);
#ifdef CONFIG_X86_32
/* XXX: Write-combined CPU mappings of GTT seem broken on 32-bit
* See https://bugs.freedesktop.org/show_bug.cgi?id=84627
*/
bo->flags &= ~RADEON_GEM_GTT_WC;
#endif
radeon_ttm_placement_from_domain(bo, domain);
/* Kernel allocation are uninterruptible */
down_read(&rdev->pm.mclk_lock);

11
drivers/i2c/busses/i2c-cadence.c
View File

@ -111,6 +111,8 @@
#define CDNS_I2C_DIVA_MAX 4
#define CDNS_I2C_DIVB_MAX 64
#define CDNS_I2C_TIMEOUT_MAX 0xFF
#define cdns_i2c_readreg(offset) readl_relaxed(id->membase + offset)
#define cdns_i2c_writereg(val, offset) writel_relaxed(val, id->membase + offset)
@ -852,6 +854,15 @@ static int cdns_i2c_probe(struct platform_device *pdev)
goto err_clk_dis;
}
/*
* Cadence I2C controller has a bug wherein it generates
* invalid read transaction after HW timeout in master receiver mode.
* HW timeout is not used by this driver and the interrupt is disabled.
* But the feature itself cannot be disabled. Hence maximum value
* is written to this register to reduce the chances of error.
*/
cdns_i2c_writereg(CDNS_I2C_TIMEOUT_MAX, CDNS_I2C_TIME_OUT_OFFSET);
dev_info(&pdev->dev, "%u kHz mmio %08lx irq %d\n",
id->i2c_clk / 1000, (unsigned long)r_mem->start, id->irq);

8
drivers/i2c/busses/i2c-davinci.c
View File

@ -407,11 +407,9 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
if (dev->cmd_err & DAVINCI_I2C_STR_NACK) {
if (msg->flags & I2C_M_IGNORE_NAK)
return msg->len;
if (stop) {
w = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
w |= DAVINCI_I2C_MDR_STP;
davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
}
w = davinci_i2c_read_reg(dev, DAVINCI_I2C_MDR_REG);
w |= DAVINCI_I2C_MDR_STP;
davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w);
return -EREMOTEIO;
}
return -EIO;

2
drivers/i2c/busses/i2c-designware-core.c
View File

@ -359,7 +359,7 @@ int i2c_dw_init(struct dw_i2c_dev *dev)
}
/* Configure Tx/Rx FIFO threshold levels */
dw_writel(dev, dev->tx_fifo_depth - 1, DW_IC_TX_TL);
dw_writel(dev, dev->tx_fifo_depth / 2, DW_IC_TX_TL);
dw_writel(dev, 0, DW_IC_RX_TL);
/* configure the i2c master */

10
drivers/i2c/busses/i2c-omap.c
View File

@ -922,14 +922,12 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
if (stat & OMAP_I2C_STAT_NACK) {
err |= OMAP_I2C_STAT_NACK;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK);
break;
}
if (stat & OMAP_I2C_STAT_AL) {
dev_err(dev->dev, "Arbitration lost\n");
err |= OMAP_I2C_STAT_AL;
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL);
break;
}
/*
@ -954,11 +952,13 @@ omap_i2c_isr_thread(int this_irq, void *dev_id)
if (dev->fifo_size)
num_bytes = dev->buf_len;
omap_i2c_receive_data(dev, num_bytes, true);
if (dev->errata & I2C_OMAP_ERRATA_I207)
if (dev->errata & I2C_OMAP_ERRATA_I207) {
i2c_omap_errata_i207(dev, stat);
num_bytes = (omap_i2c_read_reg(dev,
OMAP_I2C_BUFSTAT_REG) >> 8) & 0x3F;
}
omap_i2c_receive_data(dev, num_bytes, true);
omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RDR);
continue;
}

2
drivers/input/evdev.c
View File

@ -421,7 +421,7 @@ static int evdev_open(struct inode *inode, struct file *file)
err_free_client:
evdev_detach_client(evdev, client);
kfree(client);
kvfree(client);
return error;
}

2
drivers/media/i2c/smiapp/smiapp-core.c
View File

@ -2190,7 +2190,7 @@ static int smiapp_set_selection(struct v4l2_subdev *subdev,
ret = smiapp_set_compose(subdev, fh, sel);
break;
default:
BUG();
ret = -EINVAL;
}
mutex_unlock(&sensor->mutex);

6
drivers/media/pci/cx23885/cx23885-core.c
View File

@ -1078,7 +1078,7 @@ static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
for (line = 0; line < lines; line++) {
while (offset && offset >= sg_dma_len(sg)) {
offset -= sg_dma_len(sg);
sg++;
sg = sg_next(sg);
}
if (lpi && line > 0 && !(line % lpi))
@ -1101,14 +1101,14 @@ static __le32 *cx23885_risc_field(__le32 *rp, struct scatterlist *sglist,
*(rp++) = cpu_to_le32(0); /* bits 63-32 */
todo -= (sg_dma_len(sg)-offset);
offset = 0;
sg++;
sg = sg_next(sg);
while (todo > sg_dma_len(sg)) {
*(rp++) = cpu_to_le32(RISC_WRITE|
sg_dma_len(sg));
*(rp++) = cpu_to_le32(sg_dma_address(sg));
*(rp++) = cpu_to_le32(0); /* bits 63-32 */
todo -= sg_dma_len(sg);
sg++;
sg = sg_next(sg);
}
*(rp++) = cpu_to_le32(RISC_WRITE|RISC_EOL|todo);
*(rp++) = cpu_to_le32(sg_dma_address(sg));

10
drivers/media/pci/solo6x10/solo6x10-core.c
View File

@ -105,11 +105,8 @@ static irqreturn_t solo_isr(int irq, void *data)
if (!status)
return IRQ_NONE;
if (status & ~solo_dev->irq_mask) {
solo_reg_write(solo_dev, SOLO_IRQ_STAT,
status & ~solo_dev->irq_mask);
status &= solo_dev->irq_mask;
}
/* Acknowledge all interrupts immediately */
solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
if (status & SOLO_IRQ_PCI_ERR)
solo_p2m_error_isr(solo_dev);
@ -132,9 +129,6 @@ static irqreturn_t solo_isr(int irq, void *data)
if (status & SOLO_IRQ_G723)
solo_g723_isr(solo_dev);
/* Clear all interrupts handled */
solo_reg_write(solo_dev, SOLO_IRQ_STAT, status);
return IRQ_HANDLED;
}

2
drivers/media/rc/ir-rc6-decoder.c
View File

@ -259,8 +259,8 @@ static int ir_rc6_decode(struct rc_dev *dev, struct ir_raw_event ev)
case 32:
if ((scancode & RC6_6A_LCC_MASK) == RC6_6A_MCE_CC) {
protocol = RC_TYPE_RC6_MCE;
scancode &= ~RC6_6A_MCE_TOGGLE_MASK;
toggle = !!(scancode & RC6_6A_MCE_TOGGLE_MASK);
scancode &= ~RC6_6A_MCE_TOGGLE_MASK;
} else {
protocol = RC_BIT_RC6_6A_32;
toggle = 0;

2
drivers/media/usb/s2255/s2255drv.c
View File

@ -632,7 +632,7 @@ static void s2255_fillbuff(struct s2255_vc *vc,
break;
case V4L2_PIX_FMT_JPEG:
case V4L2_PIX_FMT_MJPEG:
buf->vb.v4l2_buf.length = jpgsize;
vb2_set_plane_payload(&buf->vb, 0, jpgsize);
memcpy(vbuf, tmpbuf, jpgsize);
break;
case V4L2_PIX_FMT_YUV422P:

7
drivers/net/bonding/bond_netlink.c
View File

@ -225,7 +225,12 @@ static int bond_changelink(struct net_device *bond_dev,
bond_option_arp_ip_targets_clear(bond);
nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
__be32 target = nla_get_be32(attr);
__be32 target;
if (nla_len(attr) < sizeof(target))
return -EINVAL;
target = nla_get_be32(attr);
bond_opt_initval(&newval, (__force u64)target);
err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,

8
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -2442,9 +2442,13 @@ static unsigned int from_fw_linkcaps(unsigned int type, unsigned int caps)
SUPPORTED_10000baseKR_Full | SUPPORTED_1000baseKX_Full |
SUPPORTED_10000baseKX4_Full;
else if (type == FW_PORT_TYPE_FIBER_XFI ||
type == FW_PORT_TYPE_FIBER_XAUI || type == FW_PORT_TYPE_SFP)
type == FW_PORT_TYPE_FIBER_XAUI || type == FW_PORT_TYPE_SFP) {
v |= SUPPORTED_FIBRE;
else if (type == FW_PORT_TYPE_BP40_BA)
if (caps & FW_PORT_CAP_SPEED_1G)
v |= SUPPORTED_1000baseT_Full;
if (caps & FW_PORT_CAP_SPEED_10G)
v |= SUPPORTED_10000baseT_Full;
} else if (type == FW_PORT_TYPE_BP40_BA)
v |= SUPPORTED_40000baseSR4_Full;
if (caps & FW_PORT_CAP_ANEG)

96
drivers/net/ethernet/renesas/sh_eth.c
View File

@ -917,21 +917,13 @@ static int sh_eth_reset(struct net_device *ndev)
return ret;
}
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
static void sh_eth_set_receive_align(struct sk_buff *skb)
{
int reserve;
uintptr_t reserve = (uintptr_t)skb->data & (SH_ETH_RX_ALIGN - 1);
reserve = SH4_SKB_RX_ALIGN - ((u32)skb->data & (SH4_SKB_RX_ALIGN - 1));
if (reserve)
skb_reserve(skb, reserve);
skb_reserve(skb, SH_ETH_RX_ALIGN - reserve);
}
#else
static void sh_eth_set_receive_align(struct sk_buff *skb)
{
skb_reserve(skb, SH2_SH3_SKB_RX_ALIGN);
}
#endif
/* CPU <-> EDMAC endian convert */
@ -1119,6 +1111,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
struct sh_eth_txdesc *txdesc = NULL;
int rx_ringsize = sizeof(*rxdesc) * mdp->num_rx_ring;
int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
mdp->cur_rx = 0;
mdp->cur_tx = 0;
@ -1131,21 +1124,21 @@ static void sh_eth_ring_format(struct net_device *ndev)
for (i = 0; i < mdp->num_rx_ring; i++) {
/* skb */
mdp->rx_skbuff[i] = NULL;
skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz);
skb = netdev_alloc_skb(ndev, skbuff_size);
mdp->rx_skbuff[i] = skb;
if (skb == NULL)
break;
dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz,
DMA_FROM_DEVICE);
sh_eth_set_receive_align(skb);
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
/* The size of the buffer is a multiple of 16 bytes. */
rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
dma_map_single(&ndev->dev, skb->data, rxdesc->buffer_length,
DMA_FROM_DEVICE);
rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
rxdesc->status = cpu_to_edmac(mdp, RD_RACT | RD_RFP);
/* The size of the buffer is 16 byte boundary. */
rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
/* Rx descriptor address set */
if (i == 0) {
sh_eth_write(ndev, mdp->rx_desc_dma, RDLAR);
@ -1397,6 +1390,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
struct sk_buff *skb;
u16 pkt_len = 0;
u32 desc_status;
int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN - 1;
rxdesc = &mdp->rx_ring[entry];
while (!(rxdesc->status & cpu_to_edmac(mdp, RD_RACT))) {
@ -1448,7 +1442,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
if (mdp->cd->rpadir)
skb_reserve(skb, NET_IP_ALIGN);
dma_sync_single_for_cpu(&ndev->dev, rxdesc->addr,
mdp->rx_buf_sz,
ALIGN(mdp->rx_buf_sz, 16),
DMA_FROM_DEVICE);
skb_put(skb, pkt_len);
skb->protocol = eth_type_trans(skb, ndev);
@ -1468,13 +1462,13 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 16);
if (mdp->rx_skbuff[entry] == NULL) {
skb = netdev_alloc_skb(ndev, mdp->rx_buf_sz);
skb = netdev_alloc_skb(ndev, skbuff_size);
mdp->rx_skbuff[entry] = skb;
if (skb == NULL)
break; /* Better luck next round. */
dma_map_single(&ndev->dev, skb->data, mdp->rx_buf_sz,
DMA_FROM_DEVICE);
sh_eth_set_receive_align(skb);
dma_map_single(&ndev->dev, skb->data,
rxdesc->buffer_length, DMA_FROM_DEVICE);
skb_checksum_none_assert(skb);
rxdesc->addr = virt_to_phys(PTR_ALIGN(skb->data, 4));
@ -2042,6 +2036,8 @@ static int sh_eth_open(struct net_device *ndev)
if (ret)
goto out_free_irq;
mdp->is_opened = 1;
return ret;
out_free_irq:
@ -2131,6 +2127,36 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
return NETDEV_TX_OK;
}
static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
if (sh_eth_is_rz_fast_ether(mdp))
return &ndev->stats;
if (!mdp->is_opened)
return &ndev->stats;
ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR);
sh_eth_write(ndev, 0, TROCR); /* (write clear) */
ndev->stats.collisions += sh_eth_read(ndev, CDCR);
sh_eth_write(ndev, 0, CDCR); /* (write clear) */
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR);
sh_eth_write(ndev, 0, LCCR); /* (write clear) */
if (sh_eth_is_gether(mdp)) {
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);
sh_eth_write(ndev, 0, CERCR); /* (write clear) */
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);
sh_eth_write(ndev, 0, CEECR); /* (write clear) */
} else {
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
sh_eth_write(ndev, 0, CNDCR); /* (write clear) */
}
return &ndev->stats;
}
/* device close function */
static int sh_eth_close(struct net_device *ndev)
{
@ -2145,6 +2171,7 @@ static int sh_eth_close(struct net_device *ndev)
sh_eth_write(ndev, 0, EDTRR);
sh_eth_write(ndev, 0, EDRRR);
sh_eth_get_stats(ndev);
/* PHY Disconnect */
if (mdp->phydev) {
phy_stop(mdp->phydev);
@ -2163,38 +2190,11 @@ static int sh_eth_close(struct net_device *ndev)
pm_runtime_put_sync(&mdp->pdev->dev);
mdp->is_opened = 0;
return 0;
}
static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
if (sh_eth_is_rz_fast_ether(mdp))
return &ndev->stats;
pm_runtime_get_sync(&mdp->pdev->dev);
ndev->stats.tx_dropped += sh_eth_read(ndev, TROCR);
sh_eth_write(ndev, 0, TROCR); /* (write clear) */
ndev->stats.collisions += sh_eth_read(ndev, CDCR);
sh_eth_write(ndev, 0, CDCR); /* (write clear) */
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, LCCR);
sh_eth_write(ndev, 0, LCCR); /* (write clear) */
if (sh_eth_is_gether(mdp)) {
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CERCR);
sh_eth_write(ndev, 0, CERCR); /* (write clear) */
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CEECR);
sh_eth_write(ndev, 0, CEECR); /* (write clear) */
} else {
ndev->stats.tx_carrier_errors += sh_eth_read(ndev, CNDCR);
sh_eth_write(ndev, 0, CNDCR); /* (write clear) */
}
pm_runtime_put_sync(&mdp->pdev->dev);
return &ndev->stats;
}
/* ioctl to device function */
static int sh_eth_do_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
{

5
drivers/net/ethernet/renesas/sh_eth.h
View File

@ -162,9 +162,9 @@ enum {
/* Driver's parameters */
#if defined(CONFIG_CPU_SH4) || defined(CONFIG_ARCH_SHMOBILE)
#define SH4_SKB_RX_ALIGN 32
#define SH_ETH_RX_ALIGN 32
#else
#define SH2_SH3_SKB_RX_ALIGN 2
#define SH_ETH_RX_ALIGN 2
#endif
/* Register's bits
@ -522,6 +522,7 @@ struct sh_eth_private {
unsigned no_ether_link:1;
unsigned ether_link_active_low:1;
unsigned is_opened:1;
};
static inline void sh_eth_soft_swap(char *src, int len)

18
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
View File

@ -265,6 +265,15 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
plat_dat = dev_get_platdata(&pdev->dev);
if (!plat_dat)
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
return -ENOMEM;
}
/* Set default value for multicast hash bins */
plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
@ -272,15 +281,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
plat_dat->unicast_filter_entries = 1;
if (pdev->dev.of_node) {
if (!plat_dat)
plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
pr_err("%s: ERROR: no memory", __func__);
return -ENOMEM;
}
ret = stmmac_probe_config_dt(pdev, plat_dat, &mac);
if (ret) {
pr_err("%s: main dt probe failed", __func__);

5
drivers/net/xen-netfront.c
View File

@ -496,9 +496,6 @@ static void xennet_make_frags(struct sk_buff *skb, struct netfront_queue *queue,
len = skb_frag_size(frag);
offset = frag->page_offset;
/* Data must not cross a page boundary. */
BUG_ON(len + offset > PAGE_SIZE<<compound_order(page));
/* Skip unused frames from start of page */
page += offset >> PAGE_SHIFT;
offset &= ~PAGE_MASK;
@ -506,8 +503,6 @@ static void xennet_make_frags(struct sk_buff *skb, struct netfront_queue *queue,
while (len > 0) {
unsigned long bytes;
BUG_ON(offset >= PAGE_SIZE);
bytes = PAGE_SIZE - offset;
if (bytes > len)
bytes = len;

2
drivers/of/fdt.c
View File

@ -964,8 +964,6 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
if (memblock_is_region_reserved(base, size))
return -EBUSY;
if (nomap)
return memblock_remove(base, size);
return memblock_reserve(base, size);

28
drivers/pci/host/pci-tegra.c
View File

@ -276,6 +276,7 @@ struct tegra_pcie {
struct resource all;
struct resource io;
struct resource pio;
struct resource mem;
struct resource prefetch;
struct resource busn;
@ -658,7 +659,6 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
{
struct tegra_pcie *pcie = sys_to_pcie(sys);
int err;
phys_addr_t io_start;
err = devm_request_resource(pcie->dev, &pcie->all, &pcie->mem);
if (err < 0)
@ -668,14 +668,12 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
if (err)
return err;
io_start = pci_pio_to_address(pcie->io.start);
pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
pci_add_resource_offset(&sys->resources, &pcie->prefetch,
sys->mem_offset);
pci_add_resource(&sys->resources, &pcie->busn);
pci_ioremap_io(nr * SZ_64K, io_start);
pci_ioremap_io(pcie->pio.start, pcie->io.start);
return 1;
}
@ -786,7 +784,6 @@ static irqreturn_t tegra_pcie_isr(int irq, void *arg)
static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
{
u32 fpci_bar, size, axi_address;
phys_addr_t io_start = pci_pio_to_address(pcie->io.start);
/* Bar 0: type 1 extended configuration space */
fpci_bar = 0xfe100000;
@ -799,7 +796,7 @@ static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
/* Bar 1: downstream IO bar */
fpci_bar = 0xfdfc0000;
size = resource_size(&pcie->io);
axi_address = io_start;
axi_address = pcie->io.start;
afi_writel(pcie, axi_address, AFI_AXI_BAR1_START);
afi_writel(pcie, size >> 12, AFI_AXI_BAR1_SZ);
afi_writel(pcie, fpci_bar, AFI_FPCI_BAR1);
@ -1690,8 +1687,23 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
switch (res.flags & IORESOURCE_TYPE_BITS) {
case IORESOURCE_IO:
memcpy(&pcie->io, &res, sizeof(res));
pcie->io.name = np->full_name;
memcpy(&pcie->pio, &res, sizeof(res));
pcie->pio.name = np->full_name;
/*
* The Tegra PCIe host bridge uses this to program the
* mapping of the I/O space to the physical address,
* so we override the .start and .end fields here that
* of_pci_range_to_resource() converted to I/O space.
* We also set the IORESOURCE_MEM type to clarify that
* the resource is in the physical memory space.
*/
pcie->io.start = range.cpu_addr;
pcie->io.end = range.cpu_addr + range.size - 1;
pcie->io.flags = IORESOURCE_MEM;
pcie->io.name = "I/O";
memcpy(&res, &pcie->io, sizeof(res));
break;
case IORESOURCE_MEM:

2
drivers/watchdog/s3c2410_wdt.c
View File

@ -161,7 +161,7 @@ static const struct s3c2410_wdt_variant drv_data_exynos5420 = {
static const struct s3c2410_wdt_variant drv_data_exynos7 = {
.disable_reg = EXYNOS5_WDT_DISABLE_REG_OFFSET,
.mask_reset_reg = EXYNOS5_WDT_MASK_RESET_REG_OFFSET,
.mask_bit = 0,
.mask_bit = 23,
.rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
.rst_stat_bit = 23, /* A57 WDTRESET */
.quirks = QUIRK_HAS_PMU_CONFIG | QUIRK_HAS_RST_STAT,

20
fs/fat/namei_vfat.c
View File

@ -736,7 +736,12 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
}
alias = d_find_alias(inode);
if (alias && !vfat_d_anon_disconn(alias)) {
/*
* Checking "alias->d_parent == dentry->d_parent" to make sure
* FS is not corrupted (especially double linked dir).
*/
if (alias && alias->d_parent == dentry->d_parent &&
!vfat_d_anon_disconn(alias)) {
/*
* This inode has non anonymous-DCACHE_DISCONNECTED
* dentry. This means, the user did ->lookup() by an
@ -755,12 +760,9 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
out:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
dentry->d_time = dentry->d_parent->d_inode->i_version;
dentry = d_splice_alias(inode, dentry);
if (dentry)
dentry->d_time = dentry->d_parent->d_inode->i_version;
return dentry;
if (!inode)
dentry->d_time = dir->i_version;
return d_splice_alias(inode, dentry);
error:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
return ERR_PTR(err);
@ -793,7 +795,6 @@ static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
dentry->d_time = dentry->d_parent->d_inode->i_version;
d_instantiate(dentry, inode);
out:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
@ -824,6 +825,7 @@ static int vfat_rmdir(struct inode *dir, struct dentry *dentry)
clear_nlink(inode);
inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC;
fat_detach(inode);
dentry->d_time = dir->i_version;
out:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
@ -849,6 +851,7 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry)
clear_nlink(inode);
inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC;
fat_detach(inode);
dentry->d_time = dir->i_version;
out:
mutex_unlock(&MSDOS_SB(sb)->s_lock);
@ -889,7 +892,6 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
inode->i_mtime = inode->i_atime = inode->i_ctime = ts;
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
dentry->d_time = dentry->d_parent->d_inode->i_version;
d_instantiate(dentry, inode);
mutex_unlock(&MSDOS_SB(sb)->s_lock);

5
fs/jbd2/journal.c
View File

@ -1853,13 +1853,12 @@ int jbd2_journal_set_features (journal_t *journal, unsigned long compat,
journal->j_chksum_driver = NULL;
return 0;
}
}
/* Precompute checksum seed for all metadata */
if (jbd2_journal_has_csum_v2or3(journal))
/* Precompute checksum seed for all metadata */
journal->j_csum_seed = jbd2_chksum(journal, ~0,
sb->s_uuid,
sizeof(sb->s_uuid));
}
}
/* If enabling v1 checksums, downgrade superblock */

2
include/uapi/linux/Kbuild
View File

@ -427,7 +427,7 @@ header-y += virtio_net.h
header-y += virtio_pci.h
header-y += virtio_ring.h
header-y += virtio_rng.h
header=y += vm_sockets.h
header-y += vm_sockets.h
header-y += vt.h
header-y += wait.h
header-y += wanrouter.h

15
ipc/sem.c
View File

@ -507,13 +507,6 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
return retval;
}
id = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
if (id < 0) {
ipc_rcu_putref(sma, sem_rcu_free);
return id;
}
ns->used_sems += nsems;
sma->sem_base = (struct sem *) &sma[1];
for (i = 0; i < nsems; i++) {
@ -528,6 +521,14 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
INIT_LIST_HEAD(&sma->list_id);
sma->sem_nsems = nsems;
sma->sem_ctime = get_seconds();
id = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
if (id < 0) {
ipc_rcu_putref(sma, sem_rcu_free);
return id;
}
ns->used_sems += nsems;
sem_unlock(sma, -1);
rcu_read_unlock();

8
kernel/sched/core.c
View File

@ -2874,10 +2874,14 @@ asmlinkage __visible void __sched schedule_user(void)
* or we have been woken up remotely but the IPI has not yet arrived,
* we haven't yet exited the RCU idle mode. Do it here manually until
* we find a better solution.
*
* NB: There are buggy callers of this function. Ideally we
* should warn if prev_state != IN_USER, but that will trigger
* too frequently to make sense yet.
*/
user_exit();
enum ctx_state prev_state = exception_enter();
schedule();
user_enter();
exception_exit(prev_state);
}
#endif

1
lib/genalloc.c
View File

@ -598,6 +598,7 @@ struct gen_pool *devm_gen_pool_create(struct device *dev, int min_alloc_order,
return pool;
}
EXPORT_SYMBOL(devm_gen_pool_create);
/**
* dev_get_gen_pool - Obtain the gen_pool (if any) for a device

2
lib/show_mem.c
View File

@ -28,7 +28,7 @@ void show_mem(unsigned int filter)
continue;
total += zone->present_pages;
reserved = zone->present_pages - zone->managed_pages;
reserved += zone->present_pages - zone->managed_pages;
if (is_highmem_idx(zoneid))
highmem += zone->present_pages;

4
mm/frontswap.c
View File

@ -244,8 +244,10 @@ int __frontswap_store(struct page *page)
the (older) page from frontswap
*/
inc_frontswap_failed_stores();
if (dup)
if (dup) {
__frontswap_clear(sis, offset);
frontswap_ops->invalidate_page(type, offset);
}
}
if (frontswap_writethrough_enabled)
/* report failure so swap also writes to swap device */

24
mm/memory.c
View File

@ -816,20 +816,20 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
if (!pte_file(pte)) {
swp_entry_t entry = pte_to_swp_entry(pte);
if (swap_duplicate(entry) < 0)
return entry.val;
if (likely(!non_swap_entry(entry))) {
if (swap_duplicate(entry) < 0)
return entry.val;
/* make sure dst_mm is on swapoff's mmlist. */
if (unlikely(list_empty(&dst_mm->mmlist))) {
spin_lock(&mmlist_lock);
if (list_empty(&dst_mm->mmlist))
list_add(&dst_mm->mmlist,
&src_mm->mmlist);
spin_unlock(&mmlist_lock);
}
if (likely(!non_swap_entry(entry)))
/* make sure dst_mm is on swapoff's mmlist. */
if (unlikely(list_empty(&dst_mm->mmlist))) {
spin_lock(&mmlist_lock);
if (list_empty(&dst_mm->mmlist))
list_add(&dst_mm->mmlist,
&src_mm->mmlist);
spin_unlock(&mmlist_lock);
}
rss[MM_SWAPENTS]++;
else if (is_migration_entry(entry)) {
} else if (is_migration_entry(entry)) {
page = migration_entry_to_page(entry);
if (PageAnon(page))

10
mm/mmap.c
View File

@ -776,8 +776,11 @@ again: remove_next = 1 + (end > next->vm_end);
* shrinking vma had, to cover any anon pages imported.
*/
if (exporter && exporter->anon_vma && !importer->anon_vma) {
if (anon_vma_clone(importer, exporter))
return -ENOMEM;
int error;
error = anon_vma_clone(importer, exporter);
if (error)
return error;
importer->anon_vma = exporter->anon_vma;
}
}
@ -2469,7 +2472,8 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
if (err)
goto out_free_vma;
if (anon_vma_clone(new, vma))
err = anon_vma_clone(new, vma);
if (err)
goto out_free_mpol;
if (new->vm_file)

6
mm/rmap.c
View File

@ -274,6 +274,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
{
struct anon_vma_chain *avc;
struct anon_vma *anon_vma;
int error;
/* Don't bother if the parent process has no anon_vma here. */
if (!pvma->anon_vma)
@ -283,8 +284,9 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
* First, attach the new VMA to the parent VMA's anon_vmas,
* so rmap can find non-COWed pages in child processes.
*/
if (anon_vma_clone(vma, pvma))
return -ENOMEM;
error = anon_vma_clone(vma, pvma);
if (error)
return error;
/* Then add our own anon_vma. */
anon_vma = anon_vma_alloc();

2
mm/slab.c
View File

@ -3076,7 +3076,7 @@ static void *____cache_alloc_node(struct kmem_cache *cachep, gfp_t flags,
void *obj;
int x;
VM_BUG_ON(nodeid > num_online_nodes());
VM_BUG_ON(nodeid < 0 || nodeid >= MAX_NUMNODES);
n = get_node(cachep, nodeid);
BUG_ON(!n);

10
mm/vmpressure.c
View File

@ -165,6 +165,7 @@ static void vmpressure_work_fn(struct work_struct *work)
unsigned long scanned;
unsigned long reclaimed;
spin_lock(&vmpr->sr_lock);
/*
* Several contexts might be calling vmpressure(), so it is
* possible that the work was rescheduled again before the old
@ -173,11 +174,12 @@ static void vmpressure_work_fn(struct work_struct *work)
* here. No need for any locks here since we don't care if
* vmpr->reclaimed is in sync.
*/
if (!vmpr->scanned)
return;
spin_lock(&vmpr->sr_lock);
scanned = vmpr->scanned;
if (!scanned) {
spin_unlock(&vmpr->sr_lock);
return;
}
reclaimed = vmpr->reclaimed;
vmpr->scanned = 0;
vmpr->reclaimed = 0;

1
net/core/rtnetlink.c
View File

@ -1498,6 +1498,7 @@ static int do_setlink(const struct sk_buff *skb,
goto errout;
}
if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) {
put_net(net);
err = -EPERM;
goto errout;
}

1
security/keys/internal.h
View File

@ -117,6 +117,7 @@ struct keyring_search_context {
#define KEYRING_SEARCH_NO_UPDATE_TIME 0x0004 /* Don't update times */
#define KEYRING_SEARCH_NO_CHECK_PERM 0x0008 /* Don't check permissions */
#define KEYRING_SEARCH_DETECT_TOO_DEEP 0x0010 /* Give an error on excessive depth */
#define KEYRING_SEARCH_SKIP_EXPIRED 0x0020 /* Ignore expired keys (intention to replace) */
int (*iterator)(const void *object, void *iterator_data);

56
security/keys/keyctl.c
View File

@ -26,6 +26,8 @@
#include <asm/uaccess.h>
#include "internal.h"
#define KEY_MAX_DESC_SIZE 4096
static int key_get_type_from_user(char *type,
const char __user *_type,
unsigned len)
@ -78,7 +80,7 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type,
description = NULL;
if (_description) {
description = strndup_user(_description, PAGE_SIZE);
description = strndup_user(_description, KEY_MAX_DESC_SIZE);
if (IS_ERR(description)) {
ret = PTR_ERR(description);
goto error;
@ -177,7 +179,7 @@ SYSCALL_DEFINE4(request_key, const char __user *, _type,
goto error;
/* pull the description into kernel space */
description = strndup_user(_description, PAGE_SIZE);
description = strndup_user(_description, KEY_MAX_DESC_SIZE);
if (IS_ERR(description)) {
ret = PTR_ERR(description);
goto error;
@ -287,7 +289,7 @@ long keyctl_join_session_keyring(const char __user *_name)
/* fetch the name from userspace */
name = NULL;
if (_name) {
name = strndup_user(_name, PAGE_SIZE);
name = strndup_user(_name, KEY_MAX_DESC_SIZE);
if (IS_ERR(name)) {
ret = PTR_ERR(name);
goto error;
@ -562,8 +564,9 @@ long keyctl_describe_key(key_serial_t keyid,
{
struct key *key, *instkey;
key_ref_t key_ref;
char *tmpbuf;
char *infobuf;
long ret;
int desclen, infolen;
key_ref = lookup_user_key(keyid, KEY_LOOKUP_PARTIAL, KEY_NEED_VIEW);
if (IS_ERR(key_ref)) {
@ -586,38 +589,31 @@ long keyctl_describe_key(key_serial_t keyid,
}
okay:
/* calculate how much description we're going to return */
ret = -ENOMEM;
tmpbuf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!tmpbuf)
goto error2;
key = key_ref_to_ptr(key_ref);
desclen = strlen(key->description);
ret = snprintf(tmpbuf, PAGE_SIZE - 1,
"%s;%d;%d;%08x;%s",
key->type->name,
from_kuid_munged(current_user_ns(), key->uid),
from_kgid_munged(current_user_ns(), key->gid),
key->perm,
key->description ?: "");
/* include a NUL char at the end of the data */
if (ret > PAGE_SIZE - 1)
ret = PAGE_SIZE - 1;
tmpbuf[ret] = 0;
ret++;
/* calculate how much information we're going to return */
ret = -ENOMEM;
infobuf = kasprintf(GFP_KERNEL,
"%s;%d;%d;%08x;",
key->type->name,
from_kuid_munged(current_user_ns(), key->uid),
from_kgid_munged(current_user_ns(), key->gid),
key->perm);
if (!infobuf)
goto error2;
infolen = strlen(infobuf);
ret = infolen + desclen + 1;
/* consider returning the data */
if (buffer && buflen > 0) {
if (buflen > ret)
buflen = ret;
if (copy_to_user(buffer, tmpbuf, buflen) != 0)
if (buffer && buflen >= ret) {
if (copy_to_user(buffer, infobuf, infolen) != 0 ||
copy_to_user(buffer + infolen, key->description,
desclen + 1) != 0)
ret = -EFAULT;
}
kfree(tmpbuf);
kfree(infobuf);
error2:
key_ref_put(key_ref);
error:
@ -649,7 +645,7 @@ long keyctl_keyring_search(key_serial_t ringid,
if (ret < 0)
goto error;
description = strndup_user(_description, PAGE_SIZE);
description = strndup_user(_description, KEY_MAX_DESC_SIZE);
if (IS_ERR(description)) {
ret = PTR_ERR(description);
goto error;

10
security/keys/keyring.c
View File

@ -546,7 +546,8 @@ static int keyring_search_iterator(const void *object, void *iterator_data)
}
if (key->expiry && ctx->now.tv_sec >= key->expiry) {
ctx->result = ERR_PTR(-EKEYEXPIRED);
if (!(ctx->flags & KEYRING_SEARCH_SKIP_EXPIRED))
ctx->result = ERR_PTR(-EKEYEXPIRED);
kleave(" = %d [expire]", ctx->skipped_ret);
goto skipped;
}
@ -628,6 +629,10 @@ static bool search_nested_keyrings(struct key *keyring,
ctx->index_key.type->name,
ctx->index_key.description);
#define STATE_CHECKS (KEYRING_SEARCH_NO_STATE_CHECK | KEYRING_SEARCH_DO_STATE_CHECK)
BUG_ON((ctx->flags & STATE_CHECKS) == 0 ||
(ctx->flags & STATE_CHECKS) == STATE_CHECKS);
if (ctx->index_key.description)
ctx->index_key.desc_len = strlen(ctx->index_key.description);
@ -637,7 +642,6 @@ static bool search_nested_keyrings(struct key *keyring,
if (ctx->match_data.lookup_type == KEYRING_SEARCH_LOOKUP_ITERATE ||
keyring_compare_object(keyring, &ctx->index_key)) {
ctx->skipped_ret = 2;
ctx->flags |= KEYRING_SEARCH_DO_STATE_CHECK;
switch (ctx->iterator(keyring_key_to_ptr(keyring), ctx)) {
case 1:
goto found;
@ -649,8 +653,6 @@ static bool search_nested_keyrings(struct key *keyring,
}
ctx->skipped_ret = 0;
if (ctx->flags & KEYRING_SEARCH_NO_STATE_CHECK)
ctx->flags &= ~KEYRING_SEARCH_DO_STATE_CHECK;
/* Start processing a new keyring */
descend_to_keyring:

2
security/keys/request_key.c
View File

@ -516,6 +516,8 @@ struct key *request_key_and_link(struct key_type *type,
.match_data.cmp = key_default_cmp,
.match_data.raw_data = description,
.match_data.lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
.flags = (KEYRING_SEARCH_DO_STATE_CHECK |
KEYRING_SEARCH_SKIP_EXPIRED),
};
struct key *key;
key_ref_t key_ref;

1
security/keys/request_key_auth.c
View File

@ -249,6 +249,7 @@ struct key *key_get_instantiation_authkey(key_serial_t target_id)
.match_data.cmp = key_default_cmp,
.match_data.raw_data = description,
.match_data.lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
.flags = KEYRING_SEARCH_DO_STATE_CHECK,
};
struct key *authkey;
key_ref_t authkey_ref;

2
sound/pci/hda/patch_realtek.c
View File

@ -4790,6 +4790,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", ALC290_FIXUP_MONO_SPEAKERS_HSJACK),
SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x064b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),