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Without this patch I get many unaligned access warnings per packet,
this patches fixes them all. This should improve performance on some
systems like mips.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Same problem as IPv6
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Should not use assignment in conditional:
warning: suggest parentheses around assignment used as truth value [-Wparentheses]
Problem introduced by:
commit 14bbd6a565e1bcdc240d44687edb93f721cfdf99
Author: Pravin B Shelar <pshelar@nicira.com>
Date: Thu Feb 14 09:44:49 2013 +0000
net: Add skb_unclone() helper function.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
Jeff Kirsher says:
====================
This series contains updates to e1000, e1000e, igb, igbvf and ixgbe.
The e1000, e1000e, igb and igbvf are single patch changes and the
remaining 11 patches are all against ixgbe.
The e1000 patch is a comment cleanup to align e1000 with the code
commenting style for /drivers/net. It also contains a few other white
space cleanups (i.e. fix lines over 80 char, remove unnecessary blank
lines and fix the use of tabs/spaces).
The e1000e patch from Koki (Fujitsu) adds a warning when link speed is
downgraded due to SmartSpeed.
The igb patch from Stefan (Red Hat) increases the timeout in the ethtool
offline self-test because some i350 adapters would sometimes fail the
self-test because link auto negotiation may take longer than the current
4 second timeout.
The igbvf patch from Alex is meant to address several race issues that
become possible because next_to_watch could possibly be set to a value
that shows that the descriptor is done when it is not. In order to correct
that we instead make next_to_watch a pointer that is set to NULL during
cleanup, and set to the eop_desc after the descriptor rings have been written.
The remaining patches for ixgbe are a mix of fixes and added support as well
as some cleanup. Most notably is the added support for displaying the
number of Tx/Rx channels via ethtool by Alex. Also Aurélien adds the
ability for reading data from SFP+ modules over i2c for diagnostic
monitoring.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we pass fd of memory.usage_in_bytes of cgroup A to cgroup.event_control
of cgroup B, then we won't get memory usage notification from A but B!
What's worse, if A and B are in different mount hierarchy, we'll end up
accessing NULL pointer!
Disallow this kind of invalid usage.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Tejun Heo <tj@kernel.org>
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When SOCK_REFCNT_DEBUG is enabled, below build error is met:
kernel/sysctl_binary.o: In function `sk_refcnt_debug_release':
include/net/sock.h:1025: multiple definition of `sk_refcnt_debug_release'
kernel/sysctl.o:include/net/sock.h:1025: first defined here
kernel/audit.o: In function `sk_refcnt_debug_release':
include/net/sock.h:1025: multiple definition of `sk_refcnt_debug_release'
kernel/sysctl.o:include/net/sock.h:1025: first defined here
make[1]: *** [kernel/built-in.o] Error 1
make: *** [kernel] Error 2
So we decide to make sk_refcnt_debug_release static to eliminate
the error.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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They well deserve a separated unit.
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In ehea.h the minimal entries is 2^7 - 1:
#define EHEA_MIN_ENTRIES_QP 127
Thus change the module param description accordinglly
Signed-off-by: Dave Young <dyoung@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Larry noticed (and bisected) that commit df881293c6ba9a12868491a717b25
"cfg80211: Pass TDLS peer's QoS/HT/VHT information during set_station"
broke secure connections. This is is the case only for drivers that
don't support TDLS, where any kind of change, even just the change of
authorized flag that is required for normal operation, was rejected
now. To fix this, remove the checks. I have some patches that will add
proper verification for all the different cases later.
Cc: Jouni Malinen <j@w1.fi>
Bisected-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Use ipv6_addr_hash() and a single jhash invocation.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Paul Gortmaker says:
====================
Two relatively small cleanup patches here, plus a reimplementation
of the patch Neil had questions about[1] in the last development
cycle.
Tested on today's net-next, between 32 and 64 bit x86 machines using
the server/client in tipc-utils, as usual.
[1] http://patchwork.ozlabs.org/patch/204507/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 205a872bd6f9a9a09ef035ef1e90185a8245cc58 ("cgroup: fix lockdep
warning for event_control") solved a deadlock by introducing a new
bug.
Move cgrp->event_list to a temporary list doesn't mean you can traverse
this list locklessly, because at the same time cgroup_event_wake() can
be called and remove the event from the list. The result of this race
is disastrous.
We adopt the way how kvm irqfd code implements race-free event removal,
which is now described in the comments in cgroup_event_wake().
v3:
- call eventfd_signal() no matter it's eventfd close or cgroup removal
that removes the cgroup event.
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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rename() will change dentry->d_name. The result of this race can
be worse than seeing partially rewritten name, but we might access
a stale pointer because rename() will re-allocate memory to hold
a longer name.
It's safe in the protection of dentry->d_lock.
v2: check NULL dentry before acquiring dentry lock.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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In cgroup_exit() put_css_set_taskexit() is called without any lock,
which might lead to accessing a freed cgroup:
thread1 thread2
---------------------------------------------
exit()
cgroup_exit()
put_css_set_taskexit()
atomic_dec(cgrp->count);
rmdir();
/* not safe !! */
check_for_release(cgrp);
rcu_read_lock() can be used to make sure the cgroup is alive.
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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In the recent update, Fujitsu S7020 laptop with ALC260 codec lost the
speaker output, no matter how the amps and the pins are set. After a
long debugging session, we found out that the default codec init code
is harmful for this machine, and we have to reset it to
ALC_INIT_NONE.
Reported-and-tested-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The index of a line where a warning is tested can be returned
differently on different versions of gcc (or same version compiled
differently). That is, a tab + space can give different results. This
causes the warning check to produce a false positive. Removing the
index from the check fixes this issue.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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If mesh plink debugging is enabled, this gets annoying in
a crowded environment, fast.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Convert mesh peering events into strings and make the
debug output a little easier to read. Also stop printing
the llid and plid since these don't change across peering
states and are random numbers anyway so they just amount
to noise.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ieee80211_ht_cap_ie_to_sta_ht_cap() will clean up the
ht_supported flag and station bandwidth field for us
if the peer beacon doesn't have an HT capability element
(is operating as non-HT).
Also, we don't really need a special station ch_width
member to track the station operating mode any more so use
sta.bandwidth instead.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If an interface is set down while authenticating or
associating, there's a station entry that will be
removed by the flushing in do_stop() and that will
cause a warning. It's otherwise harmless, but avoid
the warning by calling ieee80211_mgd_stop() first.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Update the 802.11 book to list the correct
data structures.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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These two machines have no mute LED string in BIOS.
BugLink: https://bugs.launchpad.net/bugs/1128934
Tested-by: Tammy Yang <tammy.yang@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Unfortunately UHID interface, as it was introduced, is broken with 32 bit
userspace running on 64 bit kernels as it uses a pointer in its userspace
facing API.
Fix it by checking if we are executing compat task and munge the request
appropriately.
Reported-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The buttons of the Wii Remote Nunchuck extension are actually active low.
Fix the parser to forward the inverted values. The comment in the function
always said "0 == pressed" but the implementation was wrong from the
beginning.
Cc: stable@vger.kernel.org
Reported-by: Victor Quicksilver <victor.quicksilver@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Previously we used to get EXPORT_SYMBOL and friends from
module.h but we moved away from that since module.h largely
includes the entire header space one way or another.
As most users just wanted the simple export related macros,
they were spun off into a separate new header -- export.h
Update the docs to reflect that.
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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It seems there are about 80 new, but undocumented addtions at
the top level Documentation directory. This fixes up the top
level 00-INDEX by adding new entries and deleting a couple orphans.
Some subdirs could probably still use a check/cleanup too though.
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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These are simple data acquistion boards, not HID devices and are handled
by the vmk80xx comedi driver. At least one of them (10cf:5500)
misidentifies itself as a HID in its USB interface descriptor. Ignore
all these devices.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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We now have two transport mediums: USB and I2C, where sensor hubs can
exists. So instead of constraining the driver to only these two we let it
to match any HID bus as long as the group is HID_GROUP_SENSOR_HUB.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This table is not used anywhere in the driver so kill it.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Since the advent of HID over I2C protocol, it is possible to have sensor
hubs behind I2C bus as well. We can autodetect this in a same way than USB
sensor hubs.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The use of input_configured() allows the ntrig driver to actually
change the name of the input and its bitmask before it is added to the
input subsystem. Thus, the logs are coherents and udev catch the real
bitmask when the device is added.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Rafi Rubin <rafi@seas.upenn.edu>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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By just reversing the order memtest is using the test patterns,
an additional round to zero the memory is not necessary.
This might save up to a second or even more for setups which are
doing tests on every boot.
Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1361029097-8308-1-git-send-email-holler@ahsoftware.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Conflicts:
arch/x86/kernel/process.c
Signed-off-by: Len Brown <len.brown@intel.com>
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into release
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pm_idle appears in no generic Linux code,
it appears only in architecture-specific code.
Thus, pm_idle should not be declared in pm.h.
Architectures that use an idle function pointer
should delcare one local to their architecture,
and/or use cpuidle.
Signed-off-by: Len Brown <len.brown@intel.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Cc: linux-pm@vger.kernel.org
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as pm_idle() has already been deleted from this code,
the comment was a stray.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
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pm_idle() on openrisc was dead code.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: linux@lists.openrisc.net
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pm_idle on mn10300 served no purpose.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: linux-am33-list@redhat.com
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pm_idle on microblaze served no purpose.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: microblaze-uclinux@itee.uq.edu.au
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All paths on m32r lead to cpu_relax().
So delete the dead code and simply call cpu_relax() directly.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: linux-m32r@ml.linux-m32r.org
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pm_idle() on ia64 was a synonym for default_idle().
So simply invoke default_idle() directly.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: linux-ia64@vger.kernel.org
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pm_idle() and idle() served no purpose on cris --
invoke default_idle() directly.
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
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pm_idle() on arm64 was a synonym for default_idle(),
so remove it and invoke default_idle() directly.
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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pm_idle() on ARM was a synonym for default_idle(),
so simply invoke default_idle() directly.
Signed-off-by: Len Brown <len.brown@intel.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
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pm_idle is dead code on blackfin.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: uclinux-dist-devel@blackfin.uclinux.org
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(pm_idle)() is being removed from linux/pm.h
because Linux does not have such a cross-architecture concept.
sparc uses an idle function pointer in its architecture
specific code. So we re-name sparc use of pm_idle to sparc_idle.
Signed-off-by: Len Brown <len.brown@intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
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SH idle code could use some simplification.
This patch enables that by guaranteeing
that "sh_idle" is local, and thus architecture specific.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: linux-sh@vger.kernel.org
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(pm_idle)() is being removed from linux/pm.h
because Linux does not have such a cross-architecture concept.
x86 uses an idle function pointer in its architecture
specific code as a backup to cpuidle. So we re-name
x86 use of pm_idle to x86_idle, and make it static to x86.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: x86@kernel.org
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Update APM to register its local idle routine with cpuidle.
This allows us to stop exporting pm_idle to modules on x86.
The Kconfig sub-option, APM_CPU_IDLE, now depends on on CPU_IDLE.
Compile-tested only.
Signed-off-by: Len Brown <len.brown@intel.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Jiri Kosina <jkosina@suse.cz>
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From Nicolas Ferre:
More DT modifications for AT91. Now that I am sure that
the drivers modification are picked-up by MTD.
Changes the use ECC to hardware ECC (named PMECC) for
SoCs that are using it and their associated Evaluation Kits:
- at91sam9x5-ek
- at91sam9n12-ek
* tag 'at91-dt-late' of git://github.com/at91linux/linux-at91:
ARM: at91: at91sam9n12: add DT parameters to enable PMECC
ARM: at91: at91sam9x5: add DT parameters to enable PMECC
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