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After GuC code reorg some documentation was left in wrong
place. Move it closer to corresponding definitions.
v2: use consistent name for the GuC (Sagar)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-5-michal.wajdeczko@intel.com
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Existing code needs some style fixes. To avoid polluting
pure move patch, do it now as separate step.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-4-michal.wajdeczko@intel.com
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We want to keep ucode xfer functions separate from other
initialization. Once separated, add explicit forcewake.
v2: use BLITTER domain only and add comment (Daniele)
Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> #1
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-3-michal.wajdeczko@intel.com
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Function intel_guc_wopcm_size didn't fit well in the old place.
With this move upcoming cleanup will be simpler.
Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-2-michal.wajdeczko@intel.com
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Jiri and Namhyung have long contributed a lot of code and time reviewing
patches to tools/, so lets make that reflected in the MAINTAINERS file
to encourage patch submitters to add them to the CC list, speeding up
the process of tools/perf/ patch processing.
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-onicopw68bg6kn56lnybfpns@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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drm_gem_cma_create() prints an error message when dma_alloc_wc() fails to
allocate the amount of memory we requested. This can lead to annoying
error messages when CMA is only one possible source of memory for the BO
allocation. Turn this error message into a debug one.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20171005112917.15949-1-boris.brezillon@free-electrons.com
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We remove the request from the receive list before we call
xprt_wait_on_pinned_rqst(), and so we need to use list_del_init().
Otherwise, we will see list corruption when xprt_complete_rqst()
is called.
Reported-by: Emre Celebi <emre@primarydata.com>
Fixes: ce7c252a8c741 ("SUNRPC: Add a separate spinlock to protect...")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Add native DSD support quirk for Pro-Ject Pre Box S2 Digital USB id
2772:0230.
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When a key is reinstalled we can reset the replay counters
etc. which can lead to nonce reuse and/or replay detection
being impossible, breaking security properties, as described
in the "KRACK attacks".
In particular, CVE-2017-13080 applies to GTK rekeying that
happened in firmware while the host is in D3, with the second
part of the attack being done after the host wakes up. In
this case, the wpa_supplicant mitigation isn't sufficient
since wpa_supplicant doesn't know the GTK material.
In case this happens, simply silently accept the new key
coming from userspace but don't take any action on it since
it's the same key; this keeps the PN replay counters intact.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Let GVT-g VM read the CSB and CSB write pointer from virtual HWSP, not all
the host support this feature, need to check the BIT(3) of caps in PVINFO.
v3 : Remove unnecessary comments.
v4 : Separate VM enable patch with GVT-g implementation patch due to code
dependency.
v5 : Use inline for GVT virtual HWSP caps check function.
v6 : Comments refine.
Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1508039725-1066-1-git-send-email-weinan.z.li@intel.com
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Using the ARRAY_SIZE macro improves the readability of the code.
Found with Coccinelle with the following semantic patch:
@r depends on (org || report)@
type T;
T[] E;
position p;
@@
(
(sizeof(E)@p /sizeof(*E))
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(sizeof(E)@p /sizeof(E[...]))
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(sizeof(E)@p /sizeof(T))
)
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016023357.20174-1-jeremy.lefaure@lse.epita.fr
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Using the ARRAY_SIZE macro improves the readability of the code. Also,
it is useless to re-invent it.
Found with Coccinelle with the following semantic patch:
@r depends on (org || report)@
type T;
T[] E;
position p;
@@
(
(sizeof(E)@p /sizeof(*E))
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(sizeof(E)@p /sizeof(E[...]))
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(sizeof(E)@p /sizeof(T))
)
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016023047.19145-1-jeremy.lefaure@lse.epita.fr
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This adds a short document describing the views of how the Linux kernel
community feels about enforcing the license of the kernel.
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Alex Elder (Linaro) <elder@linaro.org>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Anna Schumaker <schumaker.anna@gmail.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Bart Van Assche <bart.vanassche@wdc.com>
Acked-by: Bhumika Goyal <bhumirks@gmail.com>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Darrick J. Wong (Oracle) <darrick.wong@oracle.com>
Acked-by: Darrick J. Wong <djwong@kernel.org>
Acked-by: David Kershner <david.kershner@unisys.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Acked-by: Fabio Estevam <festevam@gmail.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Hannes Reinecke <hare@suse.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Ivan Safonov <insafonov@gmail.com>
Acked-by: Jaegeuk Kim <jaegeuk@kernel.org>
Acked-by: Jan Kara (SUSE) <jack@suse.cz>
Acked-by: Javier Martinez Canillas <javier@dowhile0.org>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Jes Sorensen <Jes.Sorensen@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Joe Perches <joe@perches.com>
Acked-by: Joerg Roedel (SUSE) <jroedel@suse.de>
Acked-by: Johan Hovold <johan@kernel.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Juergen Gross <jgross@suse.com>
Acked-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: Khalid Aziz <khalid@gonehiking.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Laura Abbott <laura@labbott.name>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Leon Romanovsky <leon@kernel.org>
Acked-by: Linus Walleij (Linaro) <linus.walleij@linaro.org>
Acked-by: Lv Zheng <zetalog@gmail.com>
Acked-by: Martin K. Petersen (Oracle) <martin.petersen@oracle.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Mel Gorman <mgorman@suse.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mike Marshall <hubcap@omnibond.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Paul Burton <paul.burton@mips.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: Rik van Riel <riel@surriel.com>
Acked-by: Rob Clark <robdclark@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Sebastian Reichel (Collabora) <sre@kernel.org>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Shuah Khan <shuahkh@osg.samsung.com>
Acked-by: Simon Horman <horms@verge.net.au>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Sven Eckelmann <sven@narfation.org>
Acked-by: Takashi Iwai (SUSE) <tiwai@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Luck <tony.luck@gmail.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip updates for 4.14-rc5 from Marc Zyngier:
- Fix unfortunate mistake in the GICv3 ITS binding example
- Two fixes for the recently merged GICv4 support
- GICv3 ITS 52bit PA fixes
- Generic irqchip mask-ack fix, and its application to the tango irqchip
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Initially we configured the PAD_CTRL1 register at probe/bind time.
However it seems the HDMI controller will modify some of the bits
in this register by itself. On the A10 it is particularly annoying
as it toggles the output invert bits, which inverts the colors on
the display output.
The U-boot driver this driver is based on sets this register twice,
though it seems it's only needed for actual display output. Hence
we move it to the mode_set function.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014040252.9621-8-wens@csie.org
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While debugging inverted color from the HDMI output on the A10, I
found that the lowest 3 bits were set. These were cleared on A20
boards that had normal display output. By manually toggling these
bits the mapping of the color components to these bits was found.
While these are not used anywhere, it would be nice to document
them somewhere.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014040252.9621-7-wens@csie.org
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Many of the backend's layer configuration registers have undefined
default values. This poses a risk as we use regmap_update_bits in
some places, and don't overwrite the whole register.
At probe/bind time we explicitly clear all the control registers
by writing 0 to them. This patch adds a more detailed explanation
on why we're doing this.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014040252.9621-5-wens@csie.org
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Commit 4636ce93d5b2 ("drm/fb-cma-helper: Add drm_fb_cma_get_gem_addr()")
adds a new helper, which covers fetching a drm_framebuffer's GEM object
and calculating the buffer address for a given plane.
This patch uses this helper to replace our own open coded version of the
same function.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014040252.9621-4-wens@csie.org
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The backend has various clocks and reset controls that need to be
enabled and deasserted before register access is possible.
Move the creation of the regmap to after the clocks and reset controls
have been configured where it makes more sense.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014040252.9621-3-wens@csie.org
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Even though the components framework can handle duplicate entries,
the extra entries cause a lot more debug messages to be generated,
which would be confusing to developers not familiar with our driver
and the framework in general.
Instead, we can scan the relatively small queue and check if the
component to be added is already queued up. Since the display
pipelines are symmetrical (not considering the third display
pipeline on the A80), and we add components level by level, when
we get to the second instance at the same level, any shared downstream
components would already be in the queue.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171014040252.9621-2-wens@csie.org
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Add device-id entry for (Honeywell) Metrologic MS7820 bar code scanner.
The device has two interfaces (in this mode?); a vendor-specific
interface with two interrupt endpoints and a second HID interface, which
we do not bind to.
Reported-by: Ladislav Dobrovsky <ladislav.dobrovsky@gmail.com>
Tested-by: Ladislav Dobrovsky <ladislav.dobrovsky@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The 'this_leaf' variable is assigned a value that is never
read and it is updated a little later with a newer value,
hence we can remove the redundant assignment.
Cleans up the following Clang warning:
Value stored to 'this_leaf' is never read
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-janitors@vger.kernel.org
Link: http://lkml.kernel.org/r/20171015160203.12332-1-colin.king@canonical.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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zipl from s390-tools generates root=/dev/ram0 kernel cmdline for
zfcpdump, thus BLK_DEV_RAM is required.
zfcpdump initrd mounts DEBUG_FS, thus is also required.
Bug-Ubuntu: https://launchpad.net/bugs/1722735
Bug-Ubuntu: https://launchpad.net/bugs/1719290
Signed-off-by: Dimitri John Ledkov <xnox@ubuntu.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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On CPU hotplug some cpu stats contain bogus values:
$ cat /proc/stat
cpu 0 0 49 1280 0 0 0 3 0 0
cpu0 0 0 49 618 0 0 0 3 0 0
cpu1 0 0 0 662 0 0 0 0 0 0
[...]
$ echo 0 > /sys/devices/system/cpu/cpu1/online
$ echo 1 > /sys/devices/system/cpu/cpu1/online
$ cat /proc/stat
cpu 0 0 49 3200 0 450359962737 450359962737 3 0 0
cpu0 0 0 49 1956 0 0 0 3 0 0
cpu1 0 0 0 1244 0 450359962737 450359962737 0 0 0
[...]
pcpu_attach_task() needs the same assignments as vtime_task_switch.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Fixes: b7394a5f4ce9 ("sched/cputime, s390: Implement delayed accounting of system time")
Cc: stable@vger.kernel.org # 4.11+
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When components are unbound, DRM driver is unregistered and freed,
so clear drvdata to avoid potential use-after-free issue in
suspend/resume paths.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The patch 6e8edf8a7d8d: "drm/exynos: Fix suspend/resume support" introduced
a new code in suspend/resume paths. However it unconditionally dereference
drm_dev pointer, which might be NULL if suspend/resume happens before
Exynos DRM driver components bind. This patch fixes this issue.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 6e8edf8a7d8d "drm/exynos: Fix suspend/resume support"
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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On POWER9 systems, we push the VCPU context onto the XIVE (eXternal
Interrupt Virtualization Engine) hardware when entering a guest,
and pull the context off the XIVE when exiting the guest. The push
is done with cache-inhibited stores, and the pull with cache-inhibited
loads.
Testing has revealed that it is possible (though very rare) for
the stores to get reordered with the loads so that we end up with the
guest VCPU context still loaded on the XIVE after we have exited the
guest. When that happens, it is possible for the same VCPU context
to then get loaded on another CPU, which causes the machine to
checkstop.
To fix this, we add I/O barrier instructions (eieio) before and
after the push and pull operations. As partial compensation for the
potential slowdown caused by the extra barriers, we remove the eieio
instructions between the two stores in the push operation, and between
the two loads in the pull operation. (The architecture requires
loads to cache-inhibited, guarded storage to be kept in order, and
requires stores to cache-inhibited, guarded storage likewise to be
kept in order, but allows such loads and stores to be reordered with
respect to each other.)
Reported-by: Carol L Soto <clsoto@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are 4 patches to resolve some char/misc driver issues found these
past weeks.
One of them is a mei bugfix and another is a new mei device id. There
is also a hyper-v fix for a reported issue, and a binder issue fix for
a problem reported by a few people.
All of these have been in my tree for a while, I don't know if
linux-next is really testing much this month. But 0-day is happy with
them :)"
* tag 'char-misc-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: fix use-after-free in binder_transaction()
Drivers: hv: vmbus: Fix bugs in rescind handling
mei: me: add gemini lake devices id
mei: always use domain runtime pm callbacks.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a handful of USB driver fixes for 4.14-rc5.
There is the "usual" usb-serial fixes and device ids, USB gadget
fixes, and some more fixes found by the fuzz testing that is happening
on the USB layer right now.
All of these have been in my tree this week with no reported issues"
* tag 'usb-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: usbtest: fix NULL pointer dereference
usb: gadget: configfs: Fix memory leak of interface directory data
usb: gadget: composite: Fix use-after-free in usb_composite_overwrite_options
usb: misc: usbtest: Fix overflow in usbtest_do_ioctl()
usb: renesas_usbhs: Fix DMAC sequence for receiving zero-length packet
USB: dummy-hcd: Fix deadlock caused by disconnect detection
usb: phy: tegra: Fix phy suspend for UDC
USB: serial: console: fix use-after-free after failed setup
USB: serial: console: fix use-after-free on disconnect
USB: serial: qcserial: add Dell DW5818, DW5819
USB: serial: cp210x: add support for ELV TFD500
USB: serial: cp210x: fix partnum regression
USB: serial: option: add support for TP-Link LTE module
USB: serial: ftdi_sio: add id for Cypress WICED dev board
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"Here are fixes for this round
- fix spinlock usage amd fifo response for altera driver
- fix ti crossbar race condition
- fix edma memcpy align"
* tag 'dmaengine-fix-4.14-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: altera: fix spinlock usage
dmaengine: altera: fix response FIFO emptying
dmaengine: ti-dma-crossbar: Fix possible race condition with dma_inuse
dmaengine: edma: Align the memcpy acnt array size with the transfer
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Second set of IIO fixes for the 4.14 cycle.
* ade7759
- Fix a signed extension bug.
* as3935
- The default noise and watch dog settings were such that the device
was unusuable in most applications. Add device tree parameters to
allow it to be configured to something that will actually work.
* at91-sama5d2 adc
- Fix handling of legacy device trees that don't provide the new
trigger edge property.
* dln2-adc
- Fix a missing Kconfig dependency on IIO_TRIGGERED_BUFFER.
* dummy driver
- Add a missing break so that writing in_voltage0_thresh_rising_en
doesn't always result in an error.
* zpa2326
- Drop a test for an always true condition so that gcc won't spit out
and unused variable warning.
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Michael Chan says:
====================
bnxt_en: bug fixes.
Various bug fixes for the VF/PF link change logic, VF resource checking,
potential firmware response corruption on NVRAM and DCB parameters,
and reading the wrong register for PCIe link speed on the VF.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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hwrm_send_message() is replaced with _hwrm_send_message(), and
hwrm_cmd_lock mutex lock is grabbed for the whole period of
firmware call until the firmware DCB parameters have been copied.
This will prevent possible corruption of the firmware data.
Fixes: 7df4ae9fe855 ("bnxt_en: Implement DCBNL to support host-based DCBX.")
Signed-off-by: Sankar Patchineelam <sankar.patchineelam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In bnxt_find_nvram_item(), it is copying firmware response data after
releasing the mutex. This can cause the firmware response data
to be corrupted if the next firmware response overwrites the response
buffer. The rare problem shows up when running ethtool -i repeatedly.
Fix it by calling the new variant _hwrm_send_message_silent() that requires
the caller to take the mutex and to release it after the response data has
been copied.
Fixes: 3ebf6f0a09a2 ("bnxt_en: Add installed-package version reporting via Ethtool GDRVINFO")
Reported-by: Sarveswara Rao Mygapula <sarveswararao.mygapula@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In bnxt_sriov_enable(), we calculate to see if we have enough hardware
resources to enable the requested number of VFs. The logic to check
for minimum completion rings and statistics contexts is missing. Add
the required checks so that VF configuration won't fail.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PCIE PCIE_EP_REG_LINK_STATUS_CONTROL register is only defined in PF
config space, so we must read it from the PF.
Fixes: 90c4f788f6c0 ("bnxt_en: Report PCIe link speed and width during driver load")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As a further improvement to the PF/VF link change logic, use a private
mutex instead of the rtnl lock to protect link change logic. With the
new mutex, we don't have to take the rtnl lock in the workqueue when
we have to handle link related functions. If the VF and PF drivers
are running on the same host and both take the rtnl lock and one is
waiting for the other, it will cause timeout. This patch fixes these
timeouts.
Fixes: 90c694bb7181 ("bnxt_en: Fix RTNL lock usage on bnxt_update_link().")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Link status query firmware messages originating from the VFs are forwarded
to the PF. The driver handles these interactions in a workqueue for the
VF and PF. The VF driver waits for the response from the PF in the
workqueue. If the PF and VF driver are running on the same host and the
work for both PF and VF are queued on the same workqueue, the VF driver
may not get the response if the PF work item is queued behind it on the
same workqueue. This will lead to the VF link query message timing out.
To prevent this, we create a private workqueue for PFs instead of using
the common workqueue. The VF query and PF response will never be on
the same workqueue.
Fixes: c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 88E6060 Ethernet switch always transmits the multicast bit of the
switch MAC address as a zero. It re-uses the corresponding bit 8 of the
register "Switch MAC Address Register Bytes 0 & 1" for "DiffAddr".
If the "DiffAddr" bit is 0, then all ports transmit the same source
address. If it is set to 1, then bit 2:0 are used for the port number.
The mv88e6060 driver is currently wrongly shifting the MAC address byte
0 by 9. To fix this, shift it by 8 as usual and clear its bit 0.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When pppol2tp_session_ioctl() is called by pppol2tp_tunnel_ioctl(),
the session may be unconnected. That is, it was created by
pppol2tp_session_create() and hasn't been connected with
pppol2tp_connect(). In this case, ps->sock is NULL, so we need to check
for this case in order to avoid dereferencing a NULL pointer.
Fixes: 309795f4bec2 ("l2tp: Add netlink control API for L2TP")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"A landry list of fixes:
- fix reboot breakage on some PCID-enabled system
- fix crashes/hangs on some PCID-enabled systems
- fix microcode loading on certain older CPUs
- various unwinder fixes
- extend an APIC quirk to more hardware systems and disable APIC
related warning on virtualized systems
- various Hyper-V fixes
- a macro definition robustness fix
- remove jprobes IRQ disabling
- various mem-encryption fixes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Do the family check first
x86/mm: Flush more aggressively in lazy TLB mode
x86/apic: Update TSC_DEADLINE quirk with additional SKX stepping
x86/apic: Silence "FW_BUG TSC_DEADLINE disabled due to Errata" on hypervisors
x86/mm: Disable various instrumentations of mm/mem_encrypt.c and mm/tlb.c
x86/hyperv: Fix hypercalls with extended CPU ranges for TLB flushing
x86/hyperv: Don't use percpu areas for pcpu_flush/pcpu_flush_ex structures
x86/hyperv: Clear vCPU banks between calls to avoid flushing unneeded vCPUs
x86/unwind: Disable unwinder warnings on 32-bit
x86/unwind: Align stack pointer in unwinder dump
x86/unwind: Use MSB for frame pointer encoding on 32-bit
x86/unwind: Fix dereference of untrusted pointer
x86/alternatives: Fix alt_max_short macro to really be a max()
x86/mm/64: Fix reboot interaction with CR4.PCIDE
kprobes/x86: Remove IRQ disabling from jprobe handlers
kprobes/x86: Set up frame pointer in kprobe trampoline
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Three fixes that address an SMP balancing performance regression"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Ensure load_balance() respects the active_mask
sched/core: Address more wake_affine() regressions
sched/core: Fix wake_affine() performance regression
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fixes from Ingo Molnar:
"A boot parameter fix, plus a header export fix"
* 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Hide mca_cfg
RAS/CEC: Use the right length for "cec_disable"
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Some tooling fixes plus three kernel fixes: a memory leak fix, a
statistics fix and a crash fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/uncore: Fix memory leaks on allocation failures
perf/core: Fix cgroup time when scheduling descendants
perf/core: Avoid freeing static PMU contexts when PMU is unregistered
tools include uapi bpf.h: Sync kernel ABI header with tooling header
perf pmu: Unbreak perf record for arm/arm64 with events with explicit PMU
perf script: Add missing separator for "-F ip,brstack" (and brstackoff)
perf callchain: Compare dsos (as well) for CCKEY_FUNCTION
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
"Two lockdep fixes for bugs introduced by the cross-release dependency
tracking feature - plus a commit that disables it because performance
regressed in an absymal fashion on some systems"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Disable cross-release features for now
locking/selftest: Avoid false BUG report
locking/lockdep: Fix stacktrace mess
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
"A CPU hotplug related fix, plus two related sanity checks"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/cpuhotplug: Enforce affinity setting on startup of managed irqs
genirq/cpuhotplug: Add sanity check for effective affinity mask
genirq: Warn when effective affinity is not updated
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Ingo Molnar:
"A single objtool fix: avoid silently broken ORC debuginfo builds and
error out instead"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Upgrade libelf-devel warning to error for CONFIG_ORC_UNWINDER
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This fix allows platforms to probe correctly even if the
trigger edge property is missing. The hardware trigger
will no longer be registered in the sybsystem
Preserves backwards compatibility with the support that
was in the driver before the hardware trigger.
https://storage.kernelci.org/mainline/master/v4.14-rc2-255-g74d83ec2b734/arm/sama5_defconfig/lab-free-electrons/boot-at91-sama5d2_xplained.txt
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Fixes: 5e1a1da0f ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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