In the encrypted symlink case, we should check its corrupted symname after
decrypting it.
Otherwise, we can report -ENOENT incorrectly, if encrypted symname starts with
'\0'.
Cc: stable 4.5+ <stable@vger.kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
When we detect support for 16bit VMID in ID_AA64MMFR1, we set the
VTCR_EL2_VS field to 1 to make use of 16bit vmids. But, with
commit 3a3604bc5e ("arm64: KVM: Switch to C-based stage2 init")
this is broken and we corrupt VTCR_EL2:T0SZ instead of updating the VS
field. VTCR_EL2_VS was actually defined to the field shift (19) and
not the real value for VS. This patch fixes the issue.
Fixes: commit 3a3604bc5e ("arm64: KVM: Switch to C-based stage2 init")
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This patch should fix the issues seen with a recent fix to prevent
tunnel-in-tunnel frames from being generated with GRO. The fix itself is
correct for now as long as we do not add any devices that support
NETIF_F_GSO_GRE_CSUM. When such a device is added it could have the
potential to mess things up due to the fact that the outer transport header
points to the outer UDP header and not the GRE header as would be expected.
Fixes: fac8e0f579 ("tunnels: Don't apply GRO to multiple layers of encapsulation.")
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
in the case where qed_slowpath_irq_req is not called, rc is not
assigned and so qed_int_igu_enable will return a garbage value.
Fix this by initializing rc to 0.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Somehow my patch for commit cea8768f33 ("sctp: allow
sctp_transmit_packet and others to use gfp") missed two important
chunks, which are now added.
Fixes: cea8768f33 ("sctp: allow sctp_transmit_packet and others to use gfp")
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-By: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When NET_SWITCHDEV=n, switchdev_port_attr_set will return -EOPNOTSUPP,
we should ignore this error code and continue to set the ageing time.
Fixes: c62987bbd8 ("bridge: push bridge setting ageing_time down to switchdev")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All current users of regulator_can_change_voltage() are abusing it,
using it to wrap a call to regulator_set_voltage() on probe without any
alternative handling for fixed voltages. Drivers should only be using
regulator_set_voltage() if they need to vary voltages at runtime, fixed
voltages should normally be set via machine constraints, and calling
regulator_set_voltage() on a regulator which can't be varied will
succeed if the current voltage is within the range requested so users
shouldn't worry if they have permission to vary normally.
Deprecate the API to try to stop any new users appearing while we fix
the current callers.
Signed-off-by: Mark Brown <broonie@kernel.org>
We can't use <drm/*.h> because that upsets the serach paths in libdrm.
Also, drop the circular inclusion in drm_mode.h.
v2: Actually change the right headers.
v3: Drop the #include removal per Emil's request.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459353292-9063-1-git-send-email-daniel.vetter@ffwll.ch
virtual is a protected keyword in C++ and can't be used at all. Ugh.
This aligns the kernel versions of the drm headers with the ones in
libdrm.
v2: Also annote with __user, as request by Emil&Ilia.
Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459350753-18320-1-git-send-email-daniel.vetter@ffwll.ch
And move the comment to the right macro. This was mixed up in
commit cfb23ed622
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Tue Jul 14 12:17:40 2015 +0200
drm/i915: Allow fuzzy matching in pipe_config_compare, v2
v2: Rebase.
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Stone <daniels@collabora.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330476-32453-1-git-send-email-daniel.vetter@ffwll.ch
Pull crypto fix from Herbert Xu:
"This fixes a bug in pkcs7_validate_trust and its users where the
output value may in fact be taken from uninitialised memory"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
PKCS#7: pkcs7_validate_trust(): initialize the _trusted output argument
This fixes a bug from the configfs cleanup.
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Merge tag 'dlm-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
Pull dlm fix from David Teigland:
"This fixes a bug from the configfs cleanup"
* tag 'dlm-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
dlm: config: Fix ENOMEM failures in make_cluster()
Commit 5e3ca2b349 ("regulator: Try to resolve regulators supplies on
registration") added a call to regulator_resolve_supply() within
regulator_register() where the regulator_list_mutex is held. This causes
a deadlock to occur on the Tegra114 Dalmore board when the palmas PMIC
is registered because regulator_register_resolve_supply() calls
regulator_dev_lookup() which may try to acquire the regulator_list_mutex
again.
Fix this by releasing the mutex before calling
regulator_register_resolve_supply() and update the error exit path to
ensure the mutex is released on an error.
[Made commit message more legible -- broonie]
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Now that this is directly user selectable it needs to care about its
dependencies.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Add minimal DT files for the Amlogic P20x development boards, based on
the Amlogic S905/GXBB SoC.
Cc: Andreas Färber <afaerber@suse.de>
Cc: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Add minimal DT files for the Hardkernel ODROID-C2 board based on the
Amlogic S905/GXBB SoC.
Used the other gxbb boards from Andreas Färber as a starting point.
Cc: Andreas Färber <afaerber@suse.de>
Cc: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Apparently, it's not valid to have an alias point to a disabled device.
Fix this by moving the aliases that are used (serial0) into the files
that use them, and remove aliases to disabled devices (serial1).
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Resolve the following warnings from new dtc by adding the unit address:
DTC arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95-pro.dtb
Warning (unit_address_vs_reg): Node /memory has a reg or ranges property, but no unit name
DTC arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95-meta.dtb
Warning (unit_address_vs_reg): Node /memory has a reg or ranges property, but no unit name
DTC arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95-telos.dtb
Warning (unit_address_vs_reg): Node /memory has a reg or ranges property, but no unit name
Fixes: cc733bc906 ("ARM64: dts: amlogic: Add Tronsmart Vega S95 configs")
Signed-off-by: Andreas Färber <afaerber@suse.de>
Fix pin controller documentation introducing the new compatibles for
the pinctrl drivers specific for aobus / cbus.
This is needed because we have changed the pin controller driver: we
have now a single specialized pinctrl driver / compatible for each bus
the controller is attached to, instead of one single driver dealing with
all the controllers we have on different buses.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Rob Herring <robh@kernel.org>
Enables basic arch and serial console support for Amlogic meson family
SoCs.
Tested with Amlogic P200 and Hardkernel ODROID-C2 boards.
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Fix a longstanding bug in the hwmod code that could cause
hardware SYSCONFIG register values to not match the kernel's
idea of what they should be, and that could result in lower
performance during IP block idle entry.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-fixes-a-for-v4.6-rc/20160326231727/
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Merge tag 'for-v4.6-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.6/fixes
ARM: OMAP2+: first hwmod fix for v4.6-rc
Fix a longstanding bug in the hwmod code that could cause
hardware SYSCONFIG register values to not match the kernel's
idea of what they should be, and that could result in lower
performance during IP block idle entry.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-fixes-a-for-v4.6-rc/20160326231727/
Formats are better kept as a single line for easier grep.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
These jfs_<level> uses need neither a line continuation to assemble
the format strings nor newline terminations in the formats.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
These macros add the newline so these cause extra blank lines
in logging output.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Since we changed to do formatting in the bus we now skip all the format
parsing that the core does for its data marshalling code. This means
that we skip the DT parsing it does which breaks some systems, we need
to add an explict call in the MMIO code to do this.
Reported-by: Alexander Stein <alexander.stein@systec-electronic.com>
Tested-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
internal.h is using dev_name() but doesn't include device.h which
defines it. Add an explicit include to avoid build problems due to
this.
Tested-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This allows us to ditch a ton of ugly #ifdefs from a bunch of drm modeset
drivers.
v2: Make the dummy function actually return a sane value, spotted by
Ville.
v3: Because the patch is still in limbo there's no more drivers to
convert, noticed by Emil.
v4: Rebase once more, because hooray. I'll just go ahead an apply this
one later on to drm-misc.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Flagging voltage changes as possible for exactly specified voltages
appears to be triggering bugs in the SDHCI code (it should be able to
handle the case where only one voltage it wants is in the range it is
allowed to set) so make sure we only set the flag in cases where there's
genuine variability.
Signed-off-by: Mark Brown <broonie@kernel.org>
This goes all the way back to the original KMS commit aeons ago
commit f453ba0460
Author: Dave Airlie <airlied@redhat.com>
Date: Fri Nov 7 14:05:41 2008 -0800
DRM: add mode setting support
But it seems to be completely unused. Only i915 and nouveau even
register these properties, and the corresponding DDX don't even look
at them. Also the sysfs files are read-only, so not useful to
configure anything.
I suspect that this was added with the goal to have read-only access
to all properties in sysfs, but we never followed through on that.
Also, that should be done in a more generic fashion.
Since it would be real work to fix up the locking (with atomic we're
now chasing pointers when reading properties) and it seems unused lets
just nuke this all. It's easier. Of course we'll keep the properties
themselves, those are still exposed through the KMS ioctls.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459331120-27864-5-git-send-email-daniel.vetter@ffwll.ch
It tries to do fancy things with excluding agp support if ttm is
built-in, but agp isn't. Instead just express this depency like drm
does and use CONFIG_AGP everywhere.
Also use the neat Makefile magic to make the entire ttm_agp_backend
file optional.
v2: Use IS_ENABLED(CONFIG_AGP) as suggested by Ville
v3: Review from Emil.
v4: Actually get it right as spotted by 0-day.
Cc: Emil Velikov <emil.l.velikov@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1459337046-25882-1-git-send-email-daniel.vetter@ffwll.ch
When using 'perf script' to look at PT traces it is often useful to
ignore the initialization code at the beginning.
On larger traces which may have many millions of instructions in
initialization code doing that in a pipeline can be very slow, with perf
script spending a lot of CPU time calling printf and writing data.
This patch adds an extension to the --itrace argument that skips 'n'
events (instructions, branches or transactions) at the beginning. This
is much more efficient.
v2:
Add support for BTS (Adrian Hunter)
Document in itrace.txt
Fix branch check
Check transactions and instructions too
Committer note:
To test intel_pt one needs to make sure VT-x isn't active, i.e.
stopping KVM guests on the test machine, as described by Andi Kleen
at http://lkml.kernel.org/r/20160301234953.GD23621@tassilo.jf.intel.com
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1459187142-20035-1-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
We have some infrastructure to use perl or python to analyze logs
generated by perf. Prior to this patch, only the python tools had
access to backtrace information. This patch makes this information
available to perl scripts as well. Example:
Let's look at malloc() calls made by the seq utility. First we
create a probe point:
$ perf probe -x /lib/x86_64-linux-gnu/libc.so.6 malloc
Added new events:
...
Now we run seq, while monitoring malloc() calls with perf
$ perf record --call-graph=dwarf -e probe_libc:malloc seq 5
1
2
3
4
5
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.064 MB perf.data (6 samples) ]
We can use perf to look at its log to see the malloc calls and the backtrace
$ perf script
seq 14195 [000] 1927993.748254: probe_libc:malloc: (7f9ff8edd320) bytes=0x22
7f9ff8edd320 malloc (/lib/x86_64-linux-gnu/libc-2.22.so)
7f9ff8e8eab0 set_binding_values.part.0 (/lib/x86_64-linux-gnu/libc-2.22.so)
7f9ff8e8eda1 __bindtextdomain (/lib/x86_64-linux-gnu/libc-2.22.so)
401b22 main (/usr/bin/seq)
7f9ff8e82610 __libc_start_main (/lib/x86_64-linux-gnu/libc-2.22.so)
402799 _start (/usr/bin/seq)
...
We can also use the scripting facilities. We create a skeleton perl
script that simply prints out the events
$ perf script -g perl
generated Perl script: perf-script.pl
We can then use this script to see the malloc() calls with a
backtrace. Prior to this patch, the backtrace was not available to
the perl scripts.
$ perf script -s perf-script.pl
probe_libc::malloc 0 1927993.748254260 14195 seq __probe_ip=140325052863264, bytes=34
[7f9ff8edd320] malloc
[7f9ff8e8eab0] set_binding_values.part.0
[7f9ff8e8eda1] __bindtextdomain
[401b22] main
[7f9ff8e82610] __libc_start_main
[402799] _start
...
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: http://lkml.kernel.org/r/87mvphzld0.fsf@secretsauce.net
Signed-off-by: Dima Kogan <dima@secretsauce.net>
Change the variable name 'v' to 'home' to make it more readable.
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1459099340-16911-3-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To avoid repeated calling perf_config() remove
buildid_dir_command_config() and add new perf_buildid_config into
perf_default_config.
Because perf_config() is already called with perf_default_config at
main().
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1459099340-16911-2-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This test creates software event 'cpu-clock' attaches it in several ways
and checks that enabled and running times match.
Committer notes:
Testing it:
[acme@jouet linux]$ perf test -v times
44: Test events times :
--- start ---
test child forked, pid 27170
attaching to spawned child, enable on exec
OK : ena 307328, run 307328
attaching to current thread as enabled
OK : ena 7826, run 7826
attaching to current thread as disabled
OK : ena 738, run 738
attaching to CPU 0 as enabled
SKIP : not enough rights
attaching to CPU 0 as enabled
SKIP : not enough rights
test child finished with -2
---- end ----
Test events times: Skip
[acme@jouet linux]$
[root@jouet ~]# perf test times
44: Test events times : Ok
[root@jouet ~]# perf test -v times
44: Test events times :
--- start ---
test child forked, pid 27306
attaching to spawned child, enable on exec
OK : ena 479290, run 479290
attaching to current thread as enabled
OK : ena 11356, run 11356
attaching to current thread as disabled
OK : ena 987, run 987
attaching to CPU 0 as enabled
OK : ena 3717, run 3717
attaching to CPU 0 as enabled
OK : ena 2323, run 2323
test child finished with 0
---- end ----
Test events times: Ok
[root@jouet ~]#
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1458823940-24583-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
No need to export hists__collapse_insert_entry function.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1458823940-24583-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Add -U/-K (--all-user/--all-kernel) options to use the perf record
--all-user/--all-kernel options.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1458823940-24583-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The LS1043a-QDS board is a high-performance computing, evaluation,
development, and test platform supporting the LS1043a SoC.
shawn.guo: sort the entries in Makefile alphabetcially
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Moving the notifier_block into the drivers priv struct allows us
to retrive the priv struct with container_of and remove the
global variables.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
