| Age | Commit message (Collapse) | Author | Files | Lines |
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Fixes:
The function __devinit spi_gpio_probe() references
a function __init spi_gpio_alloc.isra.4().
If spi_gpio_alloc.isra.4 is only used by spi_gpio_probe then
annotate spi_gpio_alloc.isra.4 with a matching annotation.
[wsa: fix spi_gpio_request(), too]
Signed-off-by: Manuel Lauss <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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When spi_fsl_espi is chosen to be built as a module, there is a build
error because we test only CONFIG_SPI_FSL_ESPI in declaration of
struct mpc8xxx_spi in drivers/spi/spi_fsl_lib.h. Also some called
functions are not exported.
So we forbid CONFIG_SPI_FSL_ESPI to be tristate here.
The error looks like:
drivers/spi/spi_fsl_espi.c: In function 'fsl_espi_bufs':
drivers/spi/spi_fsl_espi.c:232: error: 'struct mpc8xxx_spi' has no member named 'len'
...
Signed-off-by: Jiri Slaby <[email protected]>
Acked-by: Kumar Gala <[email protected]>
Cc: Grant Likely <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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Include linux/module.h to fix below build error:
CC drivers/spi/spi-nuc900.o
drivers/spi/spi-nuc900.c:484: error: 'THIS_MODULE' undeclared here (not in a function)
drivers/spi/spi-nuc900.c:489: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:489: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:489: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/spi/spi-nuc900.c:489: warning: function declaration isn't a prototype
drivers/spi/spi-nuc900.c:490: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:490: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:490: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
drivers/spi/spi-nuc900.c:490: warning: function declaration isn't a prototype
drivers/spi/spi-nuc900.c:491: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:491: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:491: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/spi/spi-nuc900.c:491: warning: function declaration isn't a prototype
drivers/spi/spi-nuc900.c:492: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-nuc900.c:492: warning: data definition has no type or storage class
drivers/spi/spi-nuc900.c:492: warning: type defaults to 'int' in declaration of 'MODULE_ALIAS'
drivers/spi/spi-nuc900.c:492: warning: function declaration isn't a prototype
make[2]: *** [drivers/spi/spi-nuc900.o] Error 1
make[1]: *** [drivers/spi] Error 2
make: *** [drivers] Error 2
Signed-off-by: Axel Lin <[email protected]>
Acked-by: Paul Gortmaker <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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Whithout including 'linux/module.h' spi-ath79 driver fails to compile
with the these errors:
drivers/spi/spi-ath79.c:273:12: error: 'THIS_MODULE' undeclared here (not in a function)
drivers/spi/spi-ath79.c:278:20: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:278:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:278:1: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
drivers/spi/spi-ath79.c:278:20: warning: function declaration isn't a prototype
drivers/spi/spi-ath79.c:279:15: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:279:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:279:1: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
drivers/spi/spi-ath79.c:279:15: warning: function declaration isn't a prototype
drivers/spi/spi-ath79.c:280:16: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:280:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:280:1: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
drivers/spi/spi-ath79.c:280:16: warning: function declaration isn't a prototype
drivers/spi/spi-ath79.c:281:14: error: expected declaration specifiers or '...' before string constant
drivers/spi/spi-ath79.c:281:1: warning: data definition has no type or storage class
drivers/spi/spi-ath79.c:281:1: warning: type defaults to 'int' in declaration of 'MODULE_ALIAS'
drivers/spi/spi-ath79.c:281:14: warning: function declaration isn't a prototype
Signed-off-by: Gabor Juhos <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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transition
In drivers rtl8192ce, rtl8192cu, rtl8192se, and rtl8192de, break
statements would allow ppsc->rfpwr_state to be changed to ERFSLEEP
even though the device is actually in ERFOFF.
Signed-off-by: Philipp Dreimann <[email protected]>
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
Cc: Chaoming Li <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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Emmanuel noticed that when mac80211 stops the queues
for aggregation that can leave a packet pending. This
packet will be given to the driver after the AMPDU
callback, but as a non-aggregated packet which messes
up the sequence number etc.
I also noticed by looking at the code that if packets
are being processed while we clear the WANT_START bit,
they might see it cleared already and queue up on
tid_tx->pending. If the driver then rejects the new
aggregation session we leak the packet.
Fix both of these issues by changing this code to not
stop the queues at all. Instead, let packets queue up
on the tid_tx->pending queue instead of letting them
get to the driver, and add code to recover properly
in case the driver rejects the session.
(The patch looks large because it has to move two
functions to before their new use.)
Cc: [email protected]
Reported-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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The code for setting the address of the internal TBI PHY was
convoluted enough without a maze of ifdefs. Clean it up a bit
so we allow the logic to fail down to -ENODEV at the end of
the if/else ladder, rather than using ifdefs to repeat the same
failure code over and over.
Also, remove the support for the auto-configuration. I'm not aware of
anyone using it, and it ends up using the bus mutex before it's been
initialized.
Signed-off-by: Andy Fleming <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We have been using i_lock to protect all kinds of data structures in the
ceph_inode_info struct, including lists of inodes that we need to iterate
over while avoiding races with inode destruction. That requires grabbing
a reference to the inode with the list lock protected, but igrab() now
takes i_lock to check the inode flags.
Changing the list lock ordering would be a painful process.
However, using a ceph-specific i_ceph_lock in the ceph inode instead of
i_lock is a simple mechanical change and avoids the ordering constraints
imposed by igrab().
Reported-by: Amon Ott <[email protected]>
Signed-off-by: Sage Weil <[email protected]>
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This doesn't interact with resizing well, since it doesn't set the
size of the device to the size at the snapshot. It's also an expensive
operation to be synchronous. Rollback can still be done with the
userspace rbd tool.
Signed-off-by: Josh Durgin <[email protected]>
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This protects against opening future rbd images that have incompatible format changes.
Signed-off-by: Josh Durgin <[email protected]>
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Signed-off-by: Djalal Harouni <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The pdev->id is used in several places for different purpose. All
these uses assume it's always the id of fec device which is >= 0.
However this is only true for non-DT case. When DT plays, pdev->id
is always -1, which will break these pdev->id users.
Instead of fixing all these users one by one, this patch introduces
a new member 'dev_id' to 'struct fec_enet_private' for holding the
correct fec device id, and replaces all the existing uses of pdev->id
with this dev_id.
Signed-off-by: Shawn Guo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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PPC32/64 defines NO_IRQ to zero, so no problems expected.
ARM defines NO_IRQ to -1, but OF code relies on IRQ domains support,
which returns correct ('0') value in 'no irq' case. So everything
should be fine.
Other arches might break if some of their OF drivers rely on NO_IRQ
being not 0. If so, the drivers must be fixed, finally.
[ Rob Herring points out that microblaze should be fixed, and has posted
a patch for testing for that. - Linus ]
Signed-off-by: Anton Vorontsov <[email protected]>
Acked-by: Wolfram Sang <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When there are the same or more number of HP pins are available, HP pins
are used as the primary outputs instead of the speaker pins. But, in
some cases (especially with ALC663 & co), some DACs are available only
with a later pin and it's assigned to a speaker, and since the driver
parses the pins from the lower NID, such a DAC was skipped eventually
without assignments. This resulted in a regression, the missing speaker
volume control in the new parser.
As a workaround for this, now the driver retries the pin->DAC mapping
again after restoring the speaker-pins as primary. This is still an ad
hoc fix, but it works so far for most of Realtek codecs.
Signed-off-by: Takashi Iwai <[email protected]>
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On systems with two speaker pins, the secondary speaker pin is mostly
assigned to a bass speaker instead of a surround. Thus it makes more
sense to rename the control properly.
Signed-off-by: Takashi Iwai <[email protected]>
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The multiple headphone or speaker pins are usually provided to
output the same stream unlike line-out jacks (which are supposed
to be multi-channel surrounds). Thus giving a mixer name like
"Headphone Surround" is rather confusing. Instead, when multiple
headphone volumes are available, use index with the same "Headphone"
name.
Signed-off-by: Takashi Iwai <[email protected]>
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* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
vmwgfx: Use kcalloc instead of kzalloc to allocate array
drm/i915: fix infinite recursion on unbind due to ilk vt-d w/a
drm/radeon/kms: fix return type for radeon_encoder_get_dp_bridge_encoder_id
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API
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Include linux/module.h to fix below build error:
CC sound/soc/samsung/smdk2443_wm9710.o
sound/soc/samsung/smdk2443_wm9710.c:64: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk2443_wm9710.c:64: warning: data definition has no type or storage class
sound/soc/samsung/smdk2443_wm9710.c:64: warning: type defaults to 'int' in declaration of 'MODULE_AUTHOR'
sound/soc/samsung/smdk2443_wm9710.c:64: warning: function declaration isn't a prototype
sound/soc/samsung/smdk2443_wm9710.c:65: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk2443_wm9710.c:65: warning: data definition has no type or storage class
sound/soc/samsung/smdk2443_wm9710.c:65: warning: type defaults to 'int' in declaration of 'MODULE_DESCRIPTION'
sound/soc/samsung/smdk2443_wm9710.c:65: warning: function declaration isn't a prototype
sound/soc/samsung/smdk2443_wm9710.c:66: error: expected declaration specifiers or '...' before string constant
sound/soc/samsung/smdk2443_wm9710.c:66: warning: data definition has no type or storage class
sound/soc/samsung/smdk2443_wm9710.c:66: warning: type defaults to 'int' in declaration of 'MODULE_LICENSE'
sound/soc/samsung/smdk2443_wm9710.c:66: warning: function declaration isn't a prototype
make[3]: *** [sound/soc/samsung/smdk2443_wm9710.o] Error 1
make[2]: *** [sound/soc/samsung] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2
Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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Fix a typo in jive_wm8750 that introduces below build error.
Also removes an unused err variable.
CC sound/soc/samsung/jive_wm8750.o
sound/soc/samsung/jive_wm8750.c: In function 'jive_wm8750_init':
sound/soc/samsung/jive_wm8750.c:104: warning: unused variable 'err'
sound/soc/samsung/jive_wm8750.c: At top level:
sound/soc/samsung/jive_wm8750.c:134: error: unknown field 'dapm_widgtets' specified in initializer
sound/soc/samsung/jive_wm8750.c:134: warning: initialization from incompatible pointer type
make[3]: *** [sound/soc/samsung/jive_wm8750.o] Error 1
make[2]: *** [sound/soc/samsung] Error 2
make[1]: *** [sound/soc] Error 2
make: *** [sound] Error 2
Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
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perf_event_sched_in() shouldn't try to schedule task events if there
are none otherwise task's ctx->is_active will be set and will not be
cleared during sched_out. This will prevent newly added events from
being scheduled into the task context.
Fixes a boo-boo in commit 1d5f003f5a9 ("perf: Do not set task_ctx
pointer in cpuctx if there are no events in the context").
Signed-off-by: Gleb Natapov <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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The advantage of kcalloc is, that will prevent integer overflows which could
result from the multiplication of number of elements and size and it is also
a bit nicer to read.
The semantic patch that makes this change is available
in https://lkml.org/lkml/2011/11/25/107
Signed-off-by: Thomas Meyer <[email protected]>
Reviewed-by: Jakob Bornecrantz <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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The recursion loop goes retire_requests->unbind->gpu_idle->retire_reqeusts.
Every time we go through this we need a
- active object that can be retired
- and there are no other references to that object than the one from
the active list, so that it gets unbound and freed immediately.
Otherwise the recursion stops. So the recursion is only limited by the
number of objects that fit these requirements sitting in the active list
any time retire_request is called.
Issue exercised by tests/gem_unref_active_buffers from i-g-t.
There's been a decent bikeshed discussion whether it wouldn't be
better to pass around a flag, but imo this is o.k. for such a limited
case that only supports a w/a.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42180
Signed-Off-by: Daniel Vetter <[email protected]>
Reviewed-by: Chris Wilson <chris@chris-wilson>
[ickle- we built better bikesheds, but this keeps the rain off for now]
Tested-by: Dave Airlie <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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Seems like something got mis-merged here.
Noticed by kallisti5 on IRC.
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
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__d_path() API is asking for trouble and in case of apparmor d_namespace_path()
getting just that. The root cause is that when __d_path() misses the root
it had been told to look for, it stores the location of the most remote ancestor
in *root. Without grabbing references. Sure, at the moment of call it had
been pinned down by what we have in *path. And if we raced with umount -l, we
could have very well stopped at vfsmount/dentry that got freed as soon as
prepend_path() dropped vfsmount_lock.
It is safe to compare these pointers with pre-existing (and known to be still
alive) vfsmount and dentry, as long as all we are asking is "is it the same
address?". Dereferencing is not safe and apparmor ended up stepping into
that. d_namespace_path() really wants to examine the place where we stopped,
even if it's not connected to our namespace. As the result, it looked
at ->d_sb->s_magic of a dentry that might've been already freed by that point.
All other callers had been careful enough to avoid that, but it's really
a bad interface - it invites that kind of trouble.
The fix is fairly straightforward, even though it's bigger than I'd like:
* prepend_path() root argument becomes const.
* __d_path() is never called with NULL/NULL root. It was a kludge
to start with. Instead, we have an explicit function - d_absolute_root().
Same as __d_path(), except that it doesn't get root passed and stops where
it stops. apparmor and tomoyo are using it.
* __d_path() returns NULL on path outside of root. The main
caller is show_mountinfo() and that's precisely what we pass root for - to
skip those outside chroot jail. Those who don't want that can (and do)
use d_path().
* __d_path() root argument becomes const. Everyone agrees, I hope.
* apparmor does *NOT* try to use __d_path() or any of its variants
when it sees that path->mnt is an internal vfsmount. In that case it's
definitely not mounted anywhere and dentry_path() is exactly what we want
there. Handling of sysctl()-triggered weirdness is moved to that place.
* if apparmor is asked to do pathname relative to chroot jail
and __d_path() tells it we it's not in that jail, the sucker just calls
d_absolute_path() instead. That's the other remaining caller of __d_path(),
BTW.
* seq_path_root() does _NOT_ return -ENAMETOOLONG (it's stupid anyway -
the normal seq_file logics will take care of growing the buffer and redoing
the call of ->show() just fine). However, if it gets path not reachable
from root, it returns SEQ_SKIP. The only caller adjusted (i.e. stopped
ignoring the return value as it used to do).
Reviewed-by: John Johansen <[email protected]>
ACKed-by: John Johansen <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Cc: [email protected]
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Apply the scheme used in log_regrant_write_log_space to wake up any other
threads waiting for log space before the newly added one to
log_regrant_write_log_space as well, and factor the code into readable
helpers. For each of the queues we have add two helpers:
- one to try to wake up all waiting threads. This helper will also be
usable by xfs_log_move_tail once we remove the current opportunistic
wakeups in it.
- one to sleep on t_wait until enough log space is available, loosely
modelled after Linux waitqueues.
And use them to reimplement the guts of log_regrant_write_log_space and
log_regrant_write_log_space. These two function now use one and the same
algorithm for waiting on log space instead of subtly different ones before,
with an option to completely unify them in the near future.
Also move the filesystem shutdown handling to the common caller given
that we had to touch it anyway.
Based on hard debugging and an earlier patch from
Chandra Seetharaman <[email protected]>.
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Chandra Seetharaman <[email protected]>
Tested-by: Chandra Seetharaman <[email protected]>
Signed-off-by: Ben Myers <[email protected]>
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fixes a regression on single-stream chips introduced in
commit 43c3528430bd29f5e52438cad7cf7c0c62bf4583
"ath9k: implement .get_antenna and .set_antenna"
Signed-off-by: Felix Fietkau <[email protected]>
Reported-by: Marek Lindner <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net: Silence seq_scale() unused warning
ipv4:correct description for tcp_max_syn_backlog
pasemi_mac: Fix building as module
netback: Fix alert message.
r8169: fix Rx index race between FIFO overflow recovery and NAPI handler.
r8169: Rx FIFO overflow fixes.
ipv4: Fix peer validation on cached lookup.
ipv4: make sure RTO_ONLINK is saved in routing cache
iwlwifi: change the default behavior of watchdog timer
iwlwifi: do not re-configure HT40 after associated
iwlagn: fix HW crypto for TX-only keys
Revert "mac80211: clear sta.drv_priv on reconfiguration"
mac80211: fill rate filter for internal scan requests
cfg80211: amend regulatory NULL dereference fix
cfg80211: fix race on init and driver registration
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git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
ftrace: Fix hash record accounting bug
perf: Fix parsing of __print_flags() in TP_printk()
jump_label: jump_label_inc may return before the code is patched
ftrace: Remove force undef config value left for testing
tracing: Restore system filter behavior
tracing: fix event_subsystem ref counting
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Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Greg Ungerer <[email protected]>
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When receiving a DEL change for a client due to a roaming event (change is
marked with TT_CLIENT_ROAM), each node has to check if the client roamed
to itself or somewhere else.
In the latter case the global entry is kept to avoid having no route at all
otherwise we can safely delete the global entry
Signed-off-by: Antonio Quartulli <[email protected]>
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In case of a client roaming from node A to node B, the latter have to mark the
corresponding global entry with TT_CLIENT_ROAM (instead of TT_CLIENT_PENDING).
Marking a global entry with TT_CLIENT_PENDING will end up in keeping such entry
forever (because this flag is only meant to be used with local entries and it is
never checked on global ones).
In the worst case (all the clients roaming to the same node A) the local and the
global table will contain exactly the same clients. Batman-adv will continue to
work, but the memory usage is duplicated.
Signed-off-by: Antonio Quartulli <[email protected]>
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On a CONFIG_NET=y build
net/core/secure_seq.c:22: warning: 'seq_scale' defined but not
used
Signed-off-by: Stephen Boyd <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Since commit c5ed63d66f24(tcp: fix three tcp sysctls tuning),
sysctl_max_syn_backlog is determined by tcp_hashinfo->ehash_mask,
and the minimal value is 128, and it will increase in proportion to the
memory of machine.
The original description for tcp_max_syn_backlog and sysctl_max_syn_backlog
are out of date.
Changelog:
V2: update description for sysctl_max_syn_backlog
Signed-off-by: Weiping Pan <[email protected]>
Reviewed-by: Shan Wei <[email protected]>
Acked-by: Neil Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Since commit f59de89 ("lockdep: Clear whole lockdep_map on initialization"),
lockdep_init_map() will clear all the struct. But it will break
lock_set_class()/lock_set_subclass(). A typical race condition
is like below:
CPU A CPU B
lock_set_subclass(lockA);
lock_set_class(lockA);
lockdep_init_map(lockA);
/* lockA->name is cleared */
memset(lockA);
__lock_acquire(lockA);
/* lockA->class_cache[] is cleared */
register_lock_class(lockA);
look_up_lock_class(lockA);
WARN_ON_ONCE(class->name !=
lock->name);
lock->name = name;
So restore to what we have done before commit f59de89 but annotate
->lock with kmemcheck_mark_initialized() to suppress the kmemcheck
warning reported in commit f59de89.
Reported-by: Sergey Senozhatsky <[email protected]>
Reported-by: Borislav Petkov <[email protected]>
Suggested-by: Vegard Nossum <[email protected]>
Signed-off-by: Yong Zhang <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/20111109080451.GB8124@zhy
Signed-off-by: Ingo Molnar <[email protected]>
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The i_ino field in the VFS inode is of type unsigned long and thus can't
hold the full 64-bit inode number on 32-bit kernels. We have the full
inode number in the XFS inode, so use that one for nfs exports. Note
that I've also switched the 32-bit file handles types to it, just to make
the code more consistent and copy & paste errors less likely to happen.
Reported-by: Guoquan Yang <[email protected]>
Reported-by: Hank Peng <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Ben Myers <[email protected]>
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fixes
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into fixes
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git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel into fixes
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Signed-off-by: Sedat Dilek <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
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git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
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If we select a symbol it should have a type declared first
otherwise in some situations the config tools get upset. They
are currently perhaps a bit too resilient which is why this
wasn't noticed initially.
Signed-off-by: Alan Cox <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
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In the unlikely case that a platform registers a PMU platform_device
when running on a CPU that is unsupported by perf, we will encounter a
NULL dereference when trying to assign the platform_device to the
cpu_pmu structure.
This patch checks that the CPU is supported by perf before assigning
the platform_device.
Reported-by: Pawel Moll <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Russell King <[email protected]>
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Signed-off-by: Takashi Iwai <[email protected]>
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