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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"Fix for a latent cpufreq driver bug uncovered by a recent ACPICA
change and several fixes for the devfreq framework, including one fix
for an issue introduced recently.
Specifics:
- Fix a latent initialization issue in the pcc-cpufreq driver
(incorrect initial value of a structure field) that has been
uncovered by a recent ACPICA commit (Mike Galbraith).
- Add a missing notification in an update_devfreq() error code path
forgotten by a recent devfreq commit (Chanwoo Choi).
- Fix devfreq device frequency initialization (Lukasz Luba).
- Fix an incorrect IS_ERR() check in the devfreq framework discovered
by the Smatch checker (Dan Carpenter).
- Drop two excessive put_device() calls from the devfreq framework
(MyungJoo Ham, Cai Zhiyong).
- Fix a possible memory leak in the devfreq framework and drop an
unnecessary kfree() invocation from it (MyungJoo Ham)"
* tag 'pm-4.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / devfreq: Send the DEVFREQ_POSTCHANGE notification when target() is failed
cpufreq: pcc-cpufreq: Fix doorbell.access_width
PM / devfreq: fix initialization of current frequency in last status
PM / devfreq: exynos-nocp: Remove incorrect IS_ERR() check
PM / devfreq: remove double put_device
PM / devfreq: fix double call put_device
PM / devfreq: fix duplicated kfree on devfreq pointer
PM / devfreq: devm_kzalloc to have dev pointer more precisely
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- fix x86 PV dom0 crash during early boot on some hardware
- fix two pciback bugs affects certain devices
- fix potential overflow when clearing page tables in x86 PV
* tag 'for-linus-4.7b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen-pciback: return proper values during BAR sizing
x86/xen: avoid m2p lookup when setting early page table entries
xen/pciback: Fix conf_space read/write overlap check.
x86/xen: fix upper bound of pmd loop in xen_cleanhighmap()
xen/balloon: Fix declared-but-not-defined warning
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This is the third version of the patchset previously sent [1]. I have
basically only rebased it on top of 4.7-rc1 tree and dropped "dm: get
rid of superfluous gfp flags" which went through dm tree. I am sending
it now because it is tree wide and chances for conflicts are reduced
considerably when we want to target rc2. I plan to send the next step
and rename the flag and move to a better semantic later during this
release cycle so we will have a new semantic ready for 4.8 merge window
hopefully.
Motivation:
While working on something unrelated I've checked the current usage of
__GFP_REPEAT in the tree. It seems that a majority of the usage is and
always has been bogus because __GFP_REPEAT has always been about costly
high order allocations while we are using it for order-0 or very small
orders very often. It seems that a big pile of them is just a
copy&paste when a code has been adopted from one arch to another.
I think it makes some sense to get rid of them because they are just
making the semantic more unclear. Please note that GFP_REPEAT is
documented as
* __GFP_REPEAT: Try hard to allocate the memory, but the allocation attempt
* _might_ fail. This depends upon the particular VM implementation.
while !costly requests have basically nofail semantic. So one could
reasonably expect that order-0 request with __GFP_REPEAT will not loop
for ever. This is not implemented right now though.
I would like to move on with __GFP_REPEAT and define a better semantic
for it.
$ git grep __GFP_REPEAT origin/master | wc -l
111
$ git grep __GFP_REPEAT | wc -l
36
So we are down to the third after this patch series. The remaining
places really seem to be relying on __GFP_REPEAT due to large allocation
requests. This still needs some double checking which I will do later
after all the simple ones are sorted out.
I am touching a lot of arch specific code here and I hope I got it right
but as a matter of fact I even didn't compile test for some archs as I
do not have cross compiler for them. Patches should be quite trivial to
review for stupid compile mistakes though. The tricky parts are usually
hidden by macro definitions and thats where I would appreciate help from
arch maintainers.
[1] http://lkml.kernel.org/r/1461849846-27209-1-git-send-email-mhocko@kernel.org
This patch (of 19):
__GFP_REPEAT has a rather weak semantic but since it has been introduced
around 2.6.12 it has been ignored for low order allocations. Yet we
have the full kernel tree with its usage for apparently order-0
allocations. This is really confusing because __GFP_REPEAT is
explicitly documented to allow allocation failures which is a weaker
semantic than the current order-0 has (basically nofail).
Let's simply drop __GFP_REPEAT from those places. This would allow to
identify place which really need allocator to retry harder and formulate
a more specific semantic for what the flag is supposed to do actually.
Link: http://lkml.kernel.org/r/1464599699-30131-2-git-send-email-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com> [for tile]
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Cc: John Crispin <blogic@openwrt.org>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
phy: for 4.7-rc5
*) Fix in sun4i-usb phy driver to properly handle the return value of
gpiod_to_irq
*) Fix a sparse warning in sun4i-usb phy driver
*) Fix bcm-ns-usb2 phy driver to check the correct variable
*) Fix spurious interrupts during VBUS change in rcar-gen3-usb2 phy
driver
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus
Peter writes:
One fix for module support in OTG FSM
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* pm-devfreq-fixes:
PM / devfreq: Send the DEVFREQ_POSTCHANGE notification when target() is failed
PM / devfreq: fix initialization of current frequency in last status
PM / devfreq: exynos-nocp: Remove incorrect IS_ERR() check
PM / devfreq: remove double put_device
PM / devfreq: fix double call put_device
PM / devfreq: fix duplicated kfree on devfreq pointer
PM / devfreq: devm_kzalloc to have dev pointer more precisely
* pm-cpufreq-fixes:
cpufreq: pcc-cpufreq: Fix doorbell.access_width
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* acpica-fixes:
ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading
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QEMU 2.6 implements nascent support for nvdimm DSMs. Depending on
configuration it may only implement the function0 dsm to indicate that
no other DSMs are available. Commit 31eca76ba2fc "nfit, libnvdimm:
limited/whitelisted dimm command marshaling mechanism" breaks QEMU, but
QEMU is spec compliant. Per the spec the way to indicate that no
functions are supported is:
If Function Index is zero, the return is a buffer containing one bit
for each function index, starting with zero. Bit 0 indicates whether
there is support for any functions other than function 0 for the
specified UUID and Revision ID. If set to zero, no functions are
supported (other than function zero) for the specified UUID and
Revision ID.
Update the nfit driver to determine the family (interface UUID) without
requiring the implementation to define any other functions, i.e.
short-circuit acpi_check_dsm() to succeed per the spec. The nfit driver
appears to be the only user passing funcs==0 to acpi_check_dsm(), so
this behavior change of the common routine should be limited to the
probing done by the nfit driver.
Cc: Len Brown <lenb@kernel.org>
Cc: Jerry Hoemann <jerry.hoemann@hpe.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Fixes: 31eca76ba2fc ("nfit, libnvdimm: limited/whitelisted dimm command marshaling mechanism")
Reported-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Tested-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Those structs are used only at bdisp-hw, so they shouldn't be
there in a header file that it is used elsewhere.
This fixes the following Gcc 6.1 warnings:
In file included from drivers/media/platform/sti/bdisp/bdisp-debug.c:11:0:
drivers/media/platform/sti/bdisp/bdisp-filter.h:207:65: warning: ‘bdisp_v_spec’ defined but not used [-Wunused-const-variable=]
static const struct __maybe_unused bdisp_filter_v_spec bdisp_v_spec[] = {
^~~~~~~~~
In file included from drivers/media/platform/sti/bdisp/bdisp-debug.c:11:0:
drivers/media/platform/sti/bdisp/bdisp-filter.h:23:65: warning: ‘bdisp_h_spec’ defined but not used [-Wunused-const-variable=]
static const struct __maybe_unused bdisp_filter_h_spec bdisp_h_spec[] = {
^~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 warns about an unused table:
drivers/media/i2c/adv7842.c:2400:27: warning: 'prim_mode_txt' defined but not used [-Wunused-const-variable=]
static const char * const prim_mode_txt[] = {
^~~~~~~~~~~~~
That seems to be useful for debug, and likely were used before.
While we could simply remove, let's comment it out, for now.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 warns about an unused table:
drivers/media/usb/em28xx/em28xx-dvb.c:907:38: warning: 'pctv_461e_m88ds3103_config' defined but not used [-Wunused-const-variable=]
static const struct m88ds3103_config pctv_461e_m88ds3103_config = {
^~~~~~~~~~~~~~~~~~~~~~~~~~
That's a left over of patch 76b91be3d360a ('em28xx: PCTV 461e use I2C
client for demod and SEC').
Remove the dead code.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 warns about some unused vars. Remove them:
drivers/media/platform/vivid/vivid-vid-cap.c:40:2: warning: 'tpf_default' defined but not used [-Wunused-const-variable=]
tpf_default = {.numerator = 1, .denominator = 30};
^~~~~~~~~~~
drivers/media/platform/vivid/vivid-sdr-cap.c:54:27: warning: 'NUM_FORMATS' defined but not used [-Wunused-const-variable=]
static const unsigned int NUM_FORMATS = ARRAY_SIZE(formats);
^~~~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 warns about some unused tables:
drivers/media/pci/zoran/zr36016.c:251:18: warning: 'zr016_yoff' defined but not used [-Wunused-const-variable=]
static const int zr016_yoff[] = { 8, 9, 7 };
^~~~~~~~~~
drivers/media/pci/zoran/zr36016.c:250:18: warning: 'zr016_xoff' defined but not used [-Wunused-const-variable=]
static const int zr016_xoff[] = { 20, 20, 20 };
^~~~~~~~~~
Those tables aren't used anywere. So, remove them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As Gcc6.1 warned, those tables are currently unused:
drivers/media/tuners/r820t.c:349:18: warning: 'r820t_mixer_gain_steps' defined but not used [-Wunused-const-variable=]
static const int r820t_mixer_gain_steps[] = {
^~~~~~~~~~~~~~~~~~~~~~
drivers/media/tuners/r820t.c:345:18: warning: 'r820t_lna_gain_steps' defined but not used [-Wunused-const-variable=]
static const int r820t_lna_gain_steps[] = {
^~~~~~~~~~~~~~~~~~~~
They're actually used only by a routine that it is currently
commented out. So, move those tables to be together with such
code and comment them out.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Those tables are currently unused, so comment them out:
drivers/media/dvb-frontends/dib0090.c:852:18: warning: 'rf_ramp_pwm_sband' defined but not used [-Wunused-const-variable=]
static const u16 rf_ramp_pwm_sband[] = {
^~~~~~~~~~~~~~~~~
drivers/media/dvb-frontends/dib0090.c:800:18: warning: 'bb_ramp_pwm_boost' defined but not used [-Wunused-const-variable=]
static const u16 bb_ramp_pwm_boost[] = {
^~~~~~~~~~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Avoid this warning:
drivers/media/dvb-frontends/drx39xyj/drxj.c:1243:18: warning: 'nicam_presc_table_val' defined but not used [-Wunused-const-variable=]
static const u16 nicam_presc_table_val[43] = {
^~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The PCI device ID table is only used if compiled with modules
support. When compiled with modules disabled, this is now
producing this bogus warning:
drivers/media/pci/cx25821/cx25821-alsa.c:696:35: warning: 'cx25821_audio_pci_tbl' defined but not used [-Wunused-const-variable=]
static const struct pci_device_id cx25821_audio_pci_tbl[] = {
^~~~~~~~~~~~~~~~~~~~~
Fix it by annotating that the function may not be used.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The header file has some private static structures that
are used only by the C file. Move those structures to the C file,
in order to shut up gcc 6.1 warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The header file has some private static structures that
are used only by the C file. Move those structures to the C file,
in order to shut up gcc 6.1 warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The header file has some private static structures that
are used only by the C file. Move those structures to the C file,
in order to shut up gcc 6.1 warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The header file has some private static structures that
are used only by the C file. Move those structures to the C file,
in order to shut up gcc 6.1 warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The header file has some private static structures that
are used only by the C file. Move those structures to the C file,
in order to shut up gcc 6.1 warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The mc5602_s5k4aa.h has some private static structures that
are used only by the C file. Move those structures to the C file,
in order to shut up gcc 6.1 warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The mc5602_brigde.h is included at m5602 submodules. This
causes Gcc 6.1 to complain:
drivers/media/usb/gspca/m5602/m5602_bridge.h:124:28: warning: 'sensor_urb_skeleton' defined but not used [-Wunused-const-variable=]
static const unsigned char sensor_urb_skeleton[] = {
^~~~~~~~~~~~~~~~~~~
drivers/media/usb/gspca/m5602/m5602_bridge.h:119:28: warning: 'bridge_urb_skeleton' defined but not used [-Wunused-const-variable=]
static const unsigned char bridge_urb_skeleton[] = {
^~~~~~~~~~~~~~~~~~~
Let's shut up gcc 6.1 warnings by moving those data structures
to the core, as they're used only there.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 now complains about unused vars:
drivers/media/pci/cx18/cx18-driver.h:497:18: warning: 'vbi_hblank_samples_50Hz' defined but not used [-Wunused-const-variable=]
static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */
^~~~~~~~~~~~~~~~~~~~~~~
drivers/media/pci/cx18/cx18-driver.h:496:18: warning: 'vbi_hblank_samples_60Hz' defined but not used [-Wunused-const-variable=]
static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */
^~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/media/pci/cx18/cx18-cards.c:25:0:
drivers/media/pci/cx18/cx18-driver.h:497:18: warning: 'vbi_hblank_samples_50Hz' defined but not used [-Wunused-const-variable=]
static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */
^~~~~~~~~~~~~~~~~~~~~~~
drivers/media/pci/cx18/cx18-driver.h:496:18: warning: 'vbi_hblank_samples_60Hz' defined but not used [-Wunused-const-variable=]
static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */
^~~~~~~~~~~~~~~~~~~~~~~
drivers/media/pci/cx18/cx18-driver.h:495:18: warning: 'vbi_active_samples' defined but not used [-Wunused-const-variable=]
static const u32 vbi_active_samples = 1444; /* 4 byte SAV + 720 Y + 720 U/V */
^~~~~~~~~~~~~~~~~~
In this specific case, this is somewhat intentional, as those
values are actually used in parts of the driver. The code assumes
that gcc optimizer it and not actually create any var, but convert
it to immediate access at the routines.
Yet, as we want to shut up gcc warnings, let's use #define, with
is the standard way to store values that will use assembler's
immediate access code.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 warns about some unused vars and functions. Remove them:
drivers/media/platform/exynos4-is/mipi-csis.c:665:46: warning: 's5pcsis_sd_internal_ops' defined but not used [-Wunused-const-variable=]
static const struct v4l2_subdev_internal_ops s5pcsis_sd_internal_ops = {
^~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/exynos4-is/mipi-csis.c:652:12: warning: 's5pcsis_open' defined but not used [-Wunused-function]
static int s5pcsis_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
^~~~~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Gcc 6.1 warns about some unused vars. Remove them:
drivers/media/usb/usbvision/usbvision-core.c:94:18: warning: 'min_imgheight' defined but not used [-Wunused-const-variable=]
static const int min_imgheight = MIN_FRAME_HEIGHT;
^~~~~~~~~~~~~
drivers/media/usb/usbvision/usbvision-core.c:93:18: warning: 'min_imgwidth' defined but not used [-Wunused-const-variable=]
static const int min_imgwidth = MIN_FRAME_WIDTH;
^~~~~~~~~~~~
drivers/media/usb/usbvision/usbvision-core.c:92:18: warning: 'max_imgheight' defined but not used [-Wunused-const-variable=]
static const int max_imgheight = MAX_FRAME_HEIGHT;
^~~~~~~~~~~~~
drivers/media/usb/usbvision/usbvision-core.c:91:18: warning: 'max_imgwidth' defined but not used [-Wunused-const-variable=]
static const int max_imgwidth = MAX_FRAME_WIDTH;
^~~~~~~~~~~~
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Reads following writes with all address bits set to 1 should return all
changeable address bits as one, not the BAR size (nor, as was the case
for the upper half of 64-bit BARs, the high half of the region's end
address). Presumably this didn't cause any problems so far because
consumers use the value to calculate the size (usually via val & -val),
and do nothing else with it.
But also consider the exception here: Unimplemented BARs should always
return all zeroes.
And finally, the check for whether to return the sizing address on read
for the ROM BAR should ignore all non-address bits, not just the ROM
Enable one.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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This patch validates the num_values parameter from userland during the
HIDIOCGUSAGES and HIDIOCSUSAGES commands. Previously, if the report id was set
to HID_REPORT_ID_UNKNOWN, we would fail to validate the num_values parameter
leading to a heap overflow.
Cc: stable@vger.kernel.org
Signed-off-by: Scott Bauer <sbauer@plzdonthack.me>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Pull UBI/UBIFS fixes from Richard Weinberger:
"This contains fixes for two critical bugs in UBI and UBIFS:
- fix the possibility of losing data upon a power cut when UBI tries
to recover from a write error
- fix page migration on UBIFS. It turned out that the default page
migration function is not suitable for UBIFS"
* tag 'upstream-4.7-rc5' of git://git.infradead.org/linux-ubifs:
UBIFS: Implement ->migratepage()
mm: Export migrate_page_move_mapping and migrate_page_copy
ubi: Make recover_peb power cut aware
gpio: make library immune to error pointers
gpio: make sure gpiod_to_irq() returns negative on NULL desc
gpio: 104-idi-48: Fix missing spin_lock_init for ack_lock
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"This is the drm fixes tree for 4.7-rc5.
It's a bit larger than normal, due to fixes for production AMD Polaris
GPUs. We only merged support for these in 4.7-rc1 so it would be good
if we got all the fixes into final. The changes don't hit any other
hardware.
Other than the amdgpu Polaris changes:
- A single fix for atomic modesetting WARN
- Nouveau fix for when fbdev is disabled
- i915 fixes for FBC on Haswell and displayport regression
- Exynos fix for a display panel regression and some other minor changes
- Atmel fixes for scaling and OF graph interaction
- Allwiinner build, warning and probing fixes
- AMD GPU non-polaris fix for num_rbs and some minor fixes
Also I've just moved house, and my new place is Internet challenged
due to incompetent incumbent ISPs, hopefully sorted out in a couple of
weeks, so I might not be too responsive over the next while. It also
helps Daniel is on holidays for those couple of weeks as well"
* tag 'drm-fixes-for-v4.7-rc5' of git://people.freedesktop.org/~airlied/linux: (38 commits)
drm/atomic: Make drm_atomic_legacy_backoff reset crtc->acquire_ctx
drm/nouveau: fix for disabled fbdev emulation
drm/i915/fbc: Disable on HSW by default for now
drm/i915: Revert DisplayPort fast link training feature
drm/amd/powerplay: enable clock stretch feature for polaris
drm/amdgpu/gfx8: update golden setting for polaris10
drm/amd/powerplay: enable avfs feature for polaris
drm/amdgpu/atombios: add avfs struct for Polaris10/11
drm/amd/powerplay: add avfs related define for polaris
drm/amd/powrplay: enable stutter_mode for polaris.
drm/amd/powerplay: disable UVD SMU handshake for MCLK.
drm/amd/powerplay: initialize variables which were missed.
drm/amd/powerplay: enable PowerContainment feature for polaris10/11.
drm/amd/powerplay: need to notify system bios pcie device ready
drm/amd/powerplay: fix bug that function parameter was incorect.
drm/amd/powerplay: fix logic error.
drm: atmel-hlcdc: Fix OF graph parsing
drm: atmel-hlcdc: actually disable scaling when no scaling is required
drm/amdgpu: initialize amdgpu_cgs_acpi_eval_object result value
drm/amdgpu: precedence bug in amdgpu_device_init()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Here's a small fix for v4.7. This problem was actually introduced in
v4.6 when we unified Kconfig, making PCIe support available everywhere
including sparc, where config reads into unaligned buffers cause
warnings. This fix is from Dave Miller.
As a reminder, any future PCI fixes for v4.7 will probably come from
Alex Williamson, since I'll be on vacation for most of the rest of
this cycle. I should be back about the time the merge window opens"
* tag 'pci-v4.7-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Fix unaligned accesses in VC code
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Atomic updates may acquire more state than initially locked through
drm_modeset_lock_crtc, running with heavy stress can cause a
WARN_ON(crtc->acquire_ctx) in drm_modeset_lock_crtc:
[ 601.491296] ------------[ cut here ]------------
[ 601.491366] WARNING: CPU: 0 PID: 2411 at
drivers/gpu/drm/drm_modeset_lock.c:191 drm_modeset_lock_crtc+0xeb/0xf0 [drm]
[ 601.491369] Modules linked in: drm i915 drm_kms_helper
[ 601.491414] CPU: 0 PID: 2411 Comm: kms_cursor_lega Tainted: G U 4.7.0-rc4-patser+ #4798
[ 601.491417] Hardware name: Intel Corporation Skylake Client
[ 601.491420] 0000000000000000 ffff88044d153c98 ffffffff812ead28 0000000000000000
[ 601.491425] 0000000000000000 ffff88044d153cd8 ffffffff810868e6 000000bf58058030
[ 601.491431] ffff880088b415e8 ffff880458058030 ffff88008a271548 ffff88008a271568
[ 601.491436] Call Trace:
[ 601.491443] [<ffffffff812ead28>] dump_stack+0x4d/0x65
[ 601.491447] [<ffffffff810868e6>] __warn+0xc6/0xe0
[ 601.491452] [<ffffffff81086968>] warn_slowpath_null+0x18/0x20
[ 601.491472] [<ffffffffc00d4ffb>] drm_modeset_lock_crtc+0xeb/0xf0 [drm]
[ 601.491491] [<ffffffffc00c5526>] drm_mode_cursor_common+0x66/0x180 [drm]
[ 601.491509] [<ffffffffc00c91cc>] drm_mode_cursor_ioctl+0x3c/0x40 [drm]
[ 601.491524] [<ffffffffc00bc94d>] drm_ioctl+0x14d/0x530 [drm]
[ 601.491540] [<ffffffffc00c9190>] ? drm_mode_setcrtc+0x520/0x520 [drm]
[ 601.491545] [<ffffffff81176aeb>] ? handle_mm_fault+0x106b/0x1430
[ 601.491550] [<ffffffff81108441>] ? stop_one_cpu+0x61/0x70
[ 601.491556] [<ffffffff811bb71d>] do_vfs_ioctl+0x8d/0x570
[ 601.491560] [<ffffffff81290d7e>] ? security_file_ioctl+0x3e/0x60
[ 601.491565] [<ffffffff811bbc74>] SyS_ioctl+0x74/0x80
[ 601.491571] [<ffffffff810e321c>] ? posix_get_monotonic_raw+0xc/0x10
[ 601.491576] [<ffffffff8175b11b>] entry_SYSCALL_64_fastpath+0x13/0x8f
[ 601.491581] ---[ end trace 56f3d3d85f000d00 ]---
For good measure, test mode_config.acquire_ctx too, although this should
never happen.
Testcase: kms_cursor_legacy
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-fixes
A bit bigger than I would normally like, but most of the large changes are
for polaris support and since polaris went upstream in 4.7, I'd like
to get the fixes in so it's in good shape when the hw becomes available.
The major changes only touch the polaris code so there is little chance
for regressions on other asics. The rest are just the usual collection
of bug fixes.
* 'drm-fixes-4.7' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/powerplay: enable clock stretch feature for polaris
drm/amdgpu/gfx8: update golden setting for polaris10
drm/amd/powerplay: enable avfs feature for polaris
drm/amdgpu/atombios: add avfs struct for Polaris10/11
drm/amd/powerplay: add avfs related define for polaris
drm/amd/powrplay: enable stutter_mode for polaris.
drm/amd/powerplay: disable UVD SMU handshake for MCLK.
drm/amd/powerplay: initialize variables which were missed.
drm/amd/powerplay: enable PowerContainment feature for polaris10/11.
drm/amd/powerplay: need to notify system bios pcie device ready
drm/amd/powerplay: fix bug that function parameter was incorect.
drm/amd/powerplay: fix logic error.
drm/amdgpu: initialize amdgpu_cgs_acpi_eval_object result value
drm/amdgpu: precedence bug in amdgpu_device_init()
drm/amdgpu: fix num_rbs exposed to userspace (v2)
drm/amdgpu: missing bounds check in amdgpu_set_pp_force_state()
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The updated ndctl unit tests discovered that if a pfn configuration with
a 4K alignment is read from the namespace, that alignment will be
ignored in favor of the default 2M alignment. The result is that the
configuration will fail initialization with a message like:
dax6.1: bad offset: 0x22000 dax disabled align: 0x200000
Fix this by allowing the alignment read from the info block to override
the default which is 2M not 0 in the autodetect path. This also fixes a
similar problem with the mode and alignment settings silently being
overwritten by the kernel when userspace has changed it. We now will
either overwrite the info block if userspace changes the uuid or fail
and warn if a live setting disagrees with the info block.
Cc: <stable@vger.kernel.org>
Cc: Micah Parrish <micah.parrish@hpe.com>
Cc: Toshi Kani <toshi.kani@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The VMWare EFI BIOS will expose port 0x5658 as an ACPI resource. This
causes the port to be reserved by the APCI module as the system comes up,
making it unavailable to be reserved again by other drivers, thus
preserving this VMWare port for special use in a VMWare guest.
This port is designed to be shared among multiple VMWare services, such as
the VMMOUSE. Because of this, VMMOUSE should not try to reserve this port
on its own.
The VMWare non-EFI BIOS does not do this to preserve compatibility with
existing/legacy VMs. It is known that there is small chance a VM may be
configured such that these ports get reserved by other non-VMWare devices,
and if this ever happens, the result is undefined.
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: <stable@vger.kernel.org> # 4.1-
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Since HW trigger mode was suppoted we have faced with a issue
that Display panel didn't work correctly when trigger mode was changed
in booting time.
For this, we keep trigger mode with SW trigger mode in default mode
like we did before.
However, we will need to consider PSR(Panel Self Reflash) mode to resolve
this issue fundamentally later.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: use logical AND in exynos_drm_plane_check_size()
drm/exynos: remove superfluous inclusions of fbdev header
drm/exynos: g2d: drop the _REG postfix from the stride defines
drm/exynos: don't use HW trigger for Exynos5420/5422/5800
drm/exynos: fimd: don't set .has_hw_trigger in s3c6400 driver data
drm/exynos: dp: Fix NULL pointer dereference due uninitialized connector
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github.com:bbrezillon/linux-at91 into drm-fixes
Two bug fixes for the atmel-hlcdc driver.
* tag 'drm-atmel-hlcdc-fixes/for-4.7-rc5' of github.com:bbrezillon/linux-at91:
drm: atmel-hlcdc: Fix OF graph parsing
drm: atmel-hlcdc: actually disable scaling when no scaling is required
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes
Allwinner sun4i DRM driver fixes
A bunch of fixes that address:
- Compilation errors in various corner cases
- Move to helpers
- Fix the pixel clock computation
- Fix our panel probe
* tag 'sunxi-drm-fixes-for-4.7' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drm: sun4i: do cleanup if RGB output init fails
drm/sun4i: Convert to connector register helpers
drm/sun4i: remove simplefb at probe
drm/sun4i: rgb: panel is an error pointer
drm/sun4i: defer only if we didn't find our panel
drm/sun4i: rgb: Validate the clock rate
drm/sun4i: request exact rates to our parents
drm: sun4i: fix probe error handling
drm: sun4i: print DMA address correctly
drm/sun4i: add COMMON_CLK dependency
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Hi Dave, just a couple of display fixes, both stable stuff. Maybe we'll
be able to enable fbc by default one day.
* tag 'drm-intel-fixes-2016-06-22' of git://anongit.freedesktop.org/drm-intel:
drm/i915/fbc: Disable on HSW by default for now
drm/i915: Revert DisplayPort fast link training feature
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* 'linux-4.7' of git://github.com/skeggsb/linux:
drm/nouveau: fix for disabled fbdev emulation
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Hello,
after this commit:
commit f045f459d925138fe7d6193a8c86406bda7e49da
Author: Ben Skeggs <bskeggs@redhat.com>
Date: Thu Jun 2 12:23:31 2016 +1000
drm/nouveau/fbcon: fix out-of-bounds memory accesses
kernel started to oops when loading nouveau module when using GTX 780 Ti
video adapter. This patch fixes the problem.
Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=120591
Signed-off-by: Dmitrii Tcvetkov <demfloro@demfloro.ru>
Suggested-by: Ilia Mirkin <imirkin@alum.mit.edu>
Fixes: f045f459d925 ("nouveau_fbcon_init()")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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This patch sends the DEVFREQ_POSTCHANGE notification when
devfreq->profile->targer() is failed. The PRECHANGE/POSTCHANGE
should be paired.
Fixes: 0fe3a66410a3 (PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier)
Reported-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 920de6ebfab8 (ACPICA: Hardware: Enhance
acpi_hw_validate_register() with access_width/bit_offset awareness)
apparently exposed a latent bug, doorbell.access_width is initialized
to 64, but per Lv Zheng, it should be 4, and indeed, making that
change does bring pcc-cpufreq back to life.
Fixes: 920de6ebfab8 (ACPICA: Hardware: Enhance acpi_hw_validate_register() with access_width/bit_offset awareness)
Suggested-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Mike Galbraith <umgwanakikbuti@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The touchpad in HP Pavilion 14-ab057ca reports it's version as 12 and
according to Elan both 11 and 12 are valid IC types and should be
identified as hw_version 4.
Reported-by: Patrick Lessard <Patrick.Lessard@cogeco.com>
Tested-by: Patrick Lessard <Patrick.Lessard@cogeco.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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ThinkPad X60 Tablet PC (pen only device) sometime posts
packets that are larger than W8001_PKTLEN_TPCPEN.
Reported-by: Chris J Arges <christopherarges@gmail.com>
Tested-by: Chris J Arges <christopherarges@gmail.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.7
iwlwifi
* fix the scan timeout for long scans
* fix an RCU splat caused when updating the TKIP key
* fix a potential NULL-derefence introduced recently
* fix a IGTK key bug that has existed since the MVM driver was introduced
* fix some fw capabilities checks that got accidentally inverted
rtl8xxxu
* fix typo on variable name
ath10k
* fix deadlock when peer cannot be created
* fix crash related to printing features
* fix deadlock while processing rx_in_ord_ind
ath9k
* fix GPIO mask regression for AR9462 and AR9565
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tx errors present summation of errors encountered while transmitting
packets.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The assignment of rth->dst.output in vrf_rt6_create() and
vrf_rtable_create() used a hard tab before the '='. The neighboring
assignments did not. Make the assignment of rth->dst.output consistent
with the surrounding code.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Somehow the patch that added two-finger touch support forgot to update
W8001_MAX_LENGTH from 11 to 13.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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