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After a recent bugfix, we get a warning about the use of an uninitialized
variable:
drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c: In function 'cfs_cpt_table_create_pattern':
drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c:833:7: error: 'str' may be used uninitialized in this function [-Werror=maybe-uninitialized]
This part of the function used to not do anything as we would reassign
the 'str' pointer to something else right away, but now we pass an
uninitialized pointer into 'strchr', which can cause a kernel page fault
or worse.
Fixes: 239fd5d41f9b ("staging: lustre: libcfs: shortcut to create CPT from NUMA topology")
Cc: Liang Zhen <liang.zhen@intel.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A recent rework dropped the initialization of the initialization of the
successful return code in lov_getstripe:
drivers/staging/lustre/lustre/lov/lov_pack.c: In function 'lov_getstripe':
drivers/staging/lustre/lustre/lov/lov_pack.c:426:9: error: 'rc' may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/staging/lustre/lustre/lov/lov_pack.c:313:6: note: 'rc' was declared here
This adds it back.
Fixes: e10a431b3fd0 ("staging: lustre: lov: move LSM to LOV layer")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ERROR: Use 4 digit octal (0777) not decimal permissions
This error was detected by checkpatch.pl
Signed-off-by: Nadim Almas <nadim.902@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/staging/fbtft/flexfb.ko | grep alias
$
After this patch:
$ modinfo drivers/staging/fbtft/flexfb.ko | grep alias
alias: platform:flexpfb
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace all uses of uintX_t types with uX types in order to comply with
kernel coding style and resolve checkpatch warnings.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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improve readibility of the DPRC interrupt name in sysfs by
shortening this and just using the device name. There is only
one interrupt DPRC used, so no further differentiation is needed.
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For /proc/interrupts readability, platform bus MSIs are named
"ITS-pMSI" in the GIC ITS implementation for that bus. Follow
a similar naming convention and call fsl-mc bus MSIs
"ITS-fMSI".
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Kconfig dependency previously included ARM64, which is not
strictly correct. Change it to ARCH_LAYERSCAPE which is the
SoC platform that includes the DPAA2 hardware.
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Except for copyrights we are avoiding all references
to Freescale, which no longer exists as a brand. Cleanup
Freescale references and simplify the Kconfig description
of the fsl-mc bus.
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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fsl-mc-private.h references several definitions that it does not explicitly
have includes for. Up until now we've gotten lucky due to include ordering
that things compile. Add the missing includes.
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The dpbp and dpcon cmd header files should not be in the public
include directory but should be private to the bus driver.
Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The rtllib_rx_extract_addr() is supposed to set up the mac addresses
for four possible cases, based on two bits of input data. For
some reason, gcc decides that it's possible that none of the these
four cases apply and the addresses remain uninitialized:
drivers/staging/rtl8192e/rtllib_rx.c: In function ‘rtllib_rx_InfraAdhoc’:
include/linux/etherdevice.h:316:61: error: ‘*((void *)&dst+4)’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/staging/rtl8192e/rtllib_rx.c:1318:5: note: ‘*((void *)&dst+4)’ was declared here
ded from /git/arm-soc/drivers/staging/rtl8192e/rtllib_rx.c:40:0:
include/linux/etherdevice.h:316:36: error: ‘dst’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/staging/rtl8192e/rtllib_rx.c:1318:5: note: ‘dst’ was declared here
This warning is clearly nonsense, but changing the last case into
'default' makes it obvious to the compiler too, which avoids the
warning and probably leads to better object code too.
As the same warning appears in other files that have the exact
same code, I'm fixing it in both rtl8192e and rtl8192u, even
though I did not observe it for the latter.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix coding style errors reported by checkpatch.pl, specifically:
ERROR: space prohibited before that ',' (ctx:WxW)
This patch get rid of all "ERROR" messages from checkpatch.pl for this file
Signed-off-by: Carlos Maiolino <cmaiolino28@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed following checkpatch warning
WARNING: Symbolic permissions 'S_IRUGO' are not preferred. Consider
using octal permissions '0444'.
Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace CamelCase names with underscores to comply with the standard
kernel coding style.
Signed-off-by: Pankaj Bharadiya <pankaj.bharadiya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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dgnc_tty_preinit() and dgnc_tty_post_uninit() functions are used to
allocate and free "dgnc_TmpWriteBuf" and this "dgnc_TmpWriteBuf" is
not really getting used. Hence remove these redundant functions.
Also remove dgnc_TmpWriteBuf variable as it is not used anymore.
Signed-off-by: Pankaj Bharadiya <pankaj.bharadiya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The host keeps sending heartbeat packets independent of the
guest responding to them. Even though we respond to the heartbeat messages at
interrupt level, we can have situations where there maybe multiple heartbeat
messages pending that have not been responded to. For instance this occurs when the
VM is paused and the host continues to send the heartbeat messages.
Address this issue by draining and responding to all
the heartbeat messages that maybe pending.
Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"This fixes a regression caused by the stack vmalloc change"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
hwrng: core - Don't use a stack buffer in add_early_randomness()
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"This is the first batch of clk driver fixes for this release.
We have a handful of fixes for the uniphier clk driver that was
introduced recently, as well as Kconfig option hiding, module
autoloading markings, and a few fixes for clk_hw based registration
patches that went in this merge window"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: at91: Fix a return value in case of error
clk: uniphier: rename MIO clock to SD clock for Pro5, PXs2, LD20 SoCs
clk: uniphier: fix memory overrun bug
clk: hi6220: use CLK_OF_DECLARE_DRIVER for sysctrl and mediactrl clock init
clk: mvebu: armada-37xx-periph: Fix the clock gate flag
clk: bcm2835: Clamp the PLL's requested rate to the hardware limits.
clk: max77686: fix number of clocks setup for clk_hw based registration
clk: mvebu: armada-37xx-periph: Fix the clock provider registration
clk: core: add __init decoration for CLK_OF_DECLARE_DRIVER function
clk: mediatek: Add hardware dependency
clk: samsung: clk-exynos-audss: Fix module autoload
clk: uniphier: fix type of variable passed to regmap_read()
clk: uniphier: add system clock support for sLD3 SoC
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Now that all of the user copy routines are converted to return
accurate residual lengths when an exception occurs, we no longer need
the broken fixup routines.
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of __ret{,l}_mone{_asi,_fp,_asi_fpu} are now unused.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here is a set of GPIO fixes for the v4.9 kernel series:
- Fix up off-by one and line offset validation, info leak to
userspace, and reject invalid flags. Those are especially valuable
hardening patches from Lars-Peter Clausen, all tagged for stable.
- Fix module autoload for TS4800 and ATH79.
- Correct the IRQ handler for MPC8xxx to use handle_level_irq() as it
(a) reacts to edges not levels and (b) even implements .irq_ack().
We were missing IRQs here.
- Fix the error path for acpi_dev_gpio_irq_get()
- Fix a memory leak in the MXS driver.
- Fix an annoying typo in the STMPE driver.
- Put a dependency on sysfs to the mockup driver"
* tag 'gpio-v4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mpc8xxx: Correct irq handler function
gpio: ath79: Fix module autoload
gpio: ts4800: Fix module autoload
gpio: GPIO_GET_LINEEVENT_IOCTL: Reject invalid line and event flags
gpio: GPIO_GET_LINEHANDLE_IOCTL: Reject invalid line flags
gpio: GPIOHANDLE_GET_LINE_VALUES_IOCTL: Fix information leak
gpio: GPIO_GET_LINEEVENT_IOCTL: Validate line offset
gpio: GPIOHANDLE_GET_LINE_VALUES_IOCTL: Fix information leak
gpio: GPIO_GET_LINEHANDLE_IOCTL: Validate line offset
gpio: GPIO_GET_CHIPINFO_IOCTL: Fix information leak
gpio: GPIO_GET_CHIPINFO_IOCTL: Fix line offset validation
gpio / ACPI: fix returned error from acpi_dev_gpio_irq_get()
gpio: mockup: add sysfs dependency
gpio: stmpe: || vs && typo
gpio: mxs: Unmap region obtained by of_iomap
gpio/board.txt: point to gpiod_set_value
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from David Vrabel:
- advertise control feature flags in xenstore
- fix x86 build when XEN_PVHVM is disabled
* tag 'for-linus-4.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: check return value of xenbus_scanf()
xenbus: prefer list_for_each()
x86: xen: move cpu_up functions out of ifdef
xenbus: advertise control feature flags
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch unexports the low-level __get_user_pages() function.
Recent refactoring of the get_user_pages* functions allow flags to be
passed through get_user_pages() which eliminates the need for access to
this function from its one user, kvm.
We can see that the two calls to get_user_pages() which replace
__get_user_pages() in kvm_main.c are equivalent by examining their call
stacks:
get_user_page_nowait():
get_user_pages(start, 1, flags, page, NULL)
__get_user_pages_locked(current, current->mm, start, 1, page, NULL, NULL,
false, flags | FOLL_TOUCH)
__get_user_pages(current, current->mm, start, 1,
flags | FOLL_TOUCH | FOLL_GET, page, NULL, NULL)
check_user_page_hwpoison():
get_user_pages(addr, 1, flags, NULL, NULL)
__get_user_pages_locked(current, current->mm, addr, 1, NULL, NULL, NULL,
false, flags | FOLL_TOUCH)
__get_user_pages(current, current->mm, addr, 1, flags | FOLL_TOUCH, NULL,
NULL, NULL)
Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Now that Lorenzo cleaned things up and made the FOLL_FORCE users
explicit, it becomes obvious how some of them don't really need
FOLL_FORCE at all.
So remove FOLL_FORCE from the proc code that reads the command line and
arguments from user space.
The mem_rw() function actually does want FOLL_FORCE, because gdd (and
possibly many other debuggers) use it as a much more convenient version
of PTRACE_PEEKDATA, but we should consider making the FOLL_FORCE part
conditional on actually being a ptracer. This does not actually do
that, just moves adds a comment to that effect and moves the gup_flags
settings next to each other.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 02b01e010afe ("megaraid_sas: return sync cache call with
success") modified the driver to successfully complete SYNCHRONIZE_CACHE
commands without passing them to the controller. Disk drive caches are
only explicitly managed by controller firmware when operating in RAID
mode. So this commit effectively disabled writeback cache flushing for
any drives used in JBOD mode, leading to data integrity failures.
[mkp: clarified patch description]
Fixes: 02b01e010afeeb49328d35650d70721d2ca3fd59
CC: stable@vger.kernel.org
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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psmouse->name "Focaltech Touchpad" is an overkill. In xinput it is too long
as "FocaltechPS/2 Focaltech Focaltech Touchpad"
In focaltech_report_state() pointer to psmouse->dev is already stored as
*dev
Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If there is a bad block on a disk and there is a recovery performed from
this disk, the same bad block is reported for a new disk. It involves
setting MD_CHANGE_PENDING flag in rdev_set_badblocks. For external
metadata this flag is not being cleared as array state is reported as
'clean'. The read request to bad block in RAID5 array gets stuck as it
is waiting for a flag to be cleared - as per commit c3cce6cda162
("md/raid5: ensure device failure recorded before write request
returns.").
The meaning of MD_CHANGE_PENDING and MD_CHANGE_CLEAN flags has been
clarified in commit 070dc6dd7103 ("md: resolve confusion of
MD_CHANGE_CLEAN"), however MD_CHANGE_PENDING flag has been used in
personality error handlers since and it doesn't fully comply with
initial purpose. It was supposed to notify that write request is about
to start, however now it is also used to request metadata update.
Initially (in md_allow_write, md_write_start) MD_CHANGE_PENDING flag has
been set and in_sync has been set to 0 at the same time. Error handlers
just set the flag without modifying in_sync value. Sysfs array state is
a single value so now it reports 'clean' when MD_CHANGE_PENDING flag is
set and in_sync is set to 1. Userspace has no idea it is expected to
take some action.
Swap the order that array state is checked so 'write_pending' is
reported ahead of 'clean' ('write_pending' is a misleading name but it
is too late to rename it now).
Signed-off-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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If superblock points to an invalid meta block, r5l_load_log will set
create_super with true and create an new superblock, this runtime path
would always happen if we do no writing I/O to this array since it was
created. Writing an empty meta block could avoid this unnecessary
action at the first time we created log superblock.
Another reason is for the corretness of log recovery. Currently we have
bellow code to guarantee log revocery to be correct.
if (ctx.seq > log->last_cp_seq + 1) {
int ret;
ret = r5l_log_write_empty_meta_block(log, ctx.pos, ctx.seq + 10);
if (ret)
return ret;
log->seq = ctx.seq + 11;
log->log_start = r5l_ring_add(log, ctx.pos, BLOCK_SECTORS);
r5l_write_super(log, ctx.pos);
} else {
log->log_start = ctx.pos;
log->seq = ctx.seq;
}
If we just created a array with a journal device, log->log_start and
log->last_checkpoint should all be 0, then we write three meta block
which are valid except mid one and supposed crash happened. The ctx.seq
would equal to log->last_cp_seq + 1 and log->log_start would be set to
position of mid invalid meta block after we did a recovery, this will
lead to problems which could be avoided with this patch.
Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Shaohua Li <shli@fb.com>
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No initial operation was done to this field when we
load/recovery the log, it got assignment only when IO
to raid disk was finished. So r5l_quiesce may use wrong
next_checkpoint to reclaim log space, that would make
reclaimable space calculation confused.
Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Shaohua Li <shli@fb.com>
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This is the counterpart of raid10 fix. If a write error occurs, raid10
will try to rewrite the bio in small chunk size. If the rewrite fails,
raid10 will record the error in bad block. narrow_write_error will
always use WRITE for the bio, but actually it could be a discard. Since
discard bio hasn't payload, write the bio will cause different issues.
But discard error isn't fatal, we can safely ignore it. This is what
this patch does.
This issue should exist since discard is added, but only exposed with
recent arbitrary bio size feature.
Cc: Sitsofe Wheeler <sitsofe@gmail.com>
Cc: stable@vger.kernel.org (v3.6)
Signed-off-by: Shaohua Li <shli@fb.com>
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If a write error occurs, raid1 will try to rewrite the bio in small
chunk size. If the rewrite fails, raid1 will record the error in bad
block. narrow_write_error will always use WRITE for the bio, but
actually it could be a discard. Since discard bio hasn't payload, write
the bio will cause different issues. But discard error isn't fatal, we
can safely ignore it. This is what this patch does.
This issue should exist since discard is added, but only exposed with
recent arbitrary bio size feature.
Reported-and-tested-by: Sitsofe Wheeler <sitsofe@gmail.com>
Cc: stable@vger.kernel.org (v3.6)
Signed-off-by: Shaohua Li <shli@fb.com>
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The only times at which intel_pstate checks the policy set for
a given CPU is the initialization of that CPU and updates of its
policy settings from cpufreq when intel_pstate_set_policy() is
invoked.
That is insufficient, however, because intel_pstate uses the same
P-state selection function for all CPUs regardless of the policy
setting for each of them and the P-state limits are shared between
them. Thus if the policy is set to "performance" for a particular
CPU, it may not behave as expected if the cpufreq settings are
changed subsequently for another CPU.
That can be easily demonstrated by writing "performance" to
scaling_governor for all CPUs and then switching it to "powersave"
for one of them in which case all of the CPUs will behave as though
their scaling_governor were all "powersave" (even though the policy
still appears to be "performance" for the remaining CPUs).
Fix this problem by modifying intel_pstate_adjust_busy_pstate() to
always set the P-state to the maximum allowed by the current limits
for all CPUs whose policy is set to "performance".
Note that it still is recommended to always change the policy setting
in the same way for all CPUs even with this fix applied to avoid
confusion.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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To free fences, call_rcu() is used, which calls amdgpu_fence_free()
after a grace period. During teardown, there is no guarantee all
callbacks have finished, so amdgpu_fence_slab may be destroyed before
all fences have been freed. If we are lucky, this results in some slab
warnings, if not, we get a crash in one of rcu threads because callback
is called after amdgpu has already been unloaded.
Fix it with a rcu_barrier().
Fixes: b44135351a3a ("drm/amdgpu: RCU protected amdgpu_fence_release")
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The names were wrong.
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Looks like .last_flush reference is left at teardown.
Leak reported by CONFIG_SLUB_DEBUG.
Fixes: 41d9eb2c5a2a ("drm/amdgpu: add a fence after the VM flush")
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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To free fences, call_rcu() is used, which calls amd_sched_fence_free()
after a grace period. During teardown, there is no guarantee all
callbacks have finished, so sched_fence_slab may be destroyed before
all fences have been freed. If we are lucky, this results in some slab
warnings, if not, we get a crash in one of rcu threads because callback
is called after amdgpu has already been unloaded.
Fix it with a rcu_barrier().
Fixes: 189e0fb76304 ("drm/amdgpu: RCU protected amd_sched_fence_release")
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 1a738347df2ee4977459a8776fe2c62196bdcb1b.
It caused at least some Kaveri laptops to incorrectly report DisplayPort
connectors as connected.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97857
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Flush any outstanding thermal work before tearing down
the dpm driver.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Cancel any pending reset work when we tear down the driver.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Bruce was hitting some lockdep warnings in testing, showing that we
could hit a deadlock with the new CB_NOTIFY_LOCK handling, involving a
rather complex situation involving four different spinlocks.
The crux of the matter is that we end up taking the nn->client_lock in
the lm_notify handler. The simplest fix is to just declare a new
per-nfsd_net spinlock to protect the new CB_NOTIFY_LOCK structures.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Commit 0eadf37afc250 ("nbd: allow block mq to deal with timeouts")
changed normal usage of nbd->sock_lock to use spin_lock/spin_unlock
rather than the *_irq variants, but it missed this unlock in an
error path.
Found by Coverity, CID 1373871.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Josef Bacik <jbacik@fb.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Markus Pargmann <mpa@pengutronix.de>
Fixes: 0eadf37afc250 ("nbd: allow block mq to deal with timeouts")
Signed-off-by: Jens Axboe <axboe@fb.com>
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Instead use d_fsdata which is the same size. Hoping to get rid of d_time,
which is used by very few filesystems by this time.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Reviewed-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.
Signed-off-by: David S. Miller <davem@davemloft.net>
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