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inet6_dev->lock can be taken from a timer. Disabled bottom
halves when we take it.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a TKIP key is updated with a station pointer that is NULL it is
a GTK, so it should use the AP's station ID. Fix the code to do that.
Signed-off-by: Beni Lev <beni.lev@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fixes an issue that smatch pointed out:
1118
1119 key_flags = cpu_to_le16(keyconf->keyidx & STA_KEY_FLG_KEYID_MSK);
^^^^^^^^^^^^^^^
This is s8.
^^^^^^^^^^^^^^^^^^^^^
STA_KEY_FLG_KEYID_MSK is 0x300.
The result after the bitwise AND is always zero because 0xff & 0x300.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The TE_P2P_DEVICE_DISCOVERABLE time event type used for ROC is
assigned low priority in the FW, and thus has low chance of
being scheduled when there are active BSS or GO VMACs (even if
fragmentation is allowed). This is mainly problematic in for
cases where ROC is requested for sending action frames.
To overcome this, use a time event type that has priority equal
to that ot the time event type used by the FW to action scan.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The FW scheduler, schedules the bindings over a session of 128
fragments (each is 4 TU long). The quota command should allocate
all the session fragments between all the bindings that require quota
allocation. Currently, use static allocation, where the fragments
are equally distributed between all data bindings.
Note, that not allocating all the session's fragments might cause
the FW scheduler to leave the medium unused.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Chris Rattray <crattray@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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When a HP ProLiant DL980 G7 Server boots a regular kernel,
there will be intermittent lost interrupts which could
result in a hang or (in extreme cases) data loss.
The reason is that this system only supports x2apic physical
mode, while the kernel boots with a logical-cluster default
setting.
This bug can be worked around by specifying the "x2apic_phys" or
"nox2apic" boot option, but we want to handle this system
without requiring manual workarounds.
The BIOS sets ACPI_FADT_APIC_PHYSICAL in FADT table.
As all apicids are smaller than 255, BIOS need to pass the
control to the OS with xapic mode, according to x2apic-spec,
chapter 2.9.
Current code handle x2apic when BIOS pass with xapic mode
enabled:
When user specifies x2apic_phys, or FADT indicates PHYSICAL:
1. During madt oem check, apic driver is set with xapic logical
or xapic phys driver at first.
2. enable_IR_x2apic() will enable x2apic_mode.
3. if user specifies x2apic_phys on the boot line, x2apic_phys_probe()
will install the correct x2apic phys driver and use x2apic phys mode.
Otherwise it will skip the driver will let x2apic_cluster_probe to
take over to install x2apic cluster driver (wrong one) even though FADT
indicates PHYSICAL, because x2apic_phys_probe does not check
FADT PHYSICAL.
Add checking x2apic_fadt_phys in x2apic_phys_probe() to fix the
problem.
Signed-off-by: Stoney Wang <song-bo.wang@hp.com>
[ updated the changelog and simplified the code ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: stable@kernel.org
Link: http://lkml.kernel.org/r/1360263182-16226-1-git-send-email-yinghai@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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When trying to connect to an AP that advertises HT but not
VHT, the mac80211 code erroneously uses the configuration
from the AP as is instead of checking it against regulatory
and local capabilities. This can lead to using an invalid
or even inexistent channel (like 11/HT40+).
Additionally, the return flags from downgrading must be
ORed together, to collect them from all of the downgrades.
Also clarify the message.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fix the following compile warning in kvm_register_steal_time():
CC arch/x86/kernel/kvm.o
arch/x86/kernel/kvm.c: In function ‘kvm_register_steal_time’: arch/x86/kernel/kvm.c:302:3:
warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 3 has type ‘phys_addr_t’ [-Wformat]
Introduced via:
5dfd486c4750 x86, kvm: Fix kvm's use of __pa() on percpu areas
d76565344512 x86, mm: Create slow_virt_to_phys()
f3c4fbb68e93 x86, mm: Use new pagetable helpers in try_preserve_large_page()
4cbeb51b860c x86, mm: Pagetable level size/shift/mask helpers
a25b9316841c x86, mm: Make DEBUG_VIRTUAL work earlier in boot
Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: shuahkhan@gmail.com
Cc: avi@redhat.com
Cc: gleb@redhat.com
Cc: mst@redhat.com
Link: http://lkml.kernel.org/r/1360119442.8356.8.camel@lorien2
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Fix PowerPC/Cell build fallout from:
8bd75c77b7c6 sched/rt: Move rt specific bits into new header file
Reported-by: Michael Ellerman <michael@ellerman.id.au>
Cc: Clark Williams <williams@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20130207094707.7b9f825f@riff.lan
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc into perf/core
Improve uprobes performance by adding 'pre-filtering' support,
by Oleg Nesterov:
# time perl -e 'syscall -1 for 1..100_000'
real 0m0.040s
user 0m0.027s
sys 0m0.010s
# perf probe -x /lib/libc.so.6 syscall
# perf record -e probe_libc:syscall sleep 100 &
Before this series:
# time perl -e 'syscall -1 for 1..100_000'
real 0m1.714s
user 0m0.103s
sys 0m1.607s
After:
# time perl -e 'syscall -1 for 1..100_000'
real 0m0.037s
user 0m0.013s
sys 0m0.023s
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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o Do not read mailbox registers on timeout
o Add a helper function to handle mailbox response
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Handle async events during diagnostic loopback test
o Clear loopback mode on failure to receive async events
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanly separate 83xx diagnostic IRQ test from 82xx
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanly separate 83xx diagnostic loopback test routines from 82xx
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Create a helper routine to handle async events, as it is being called
from multiple places
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver needs to stop participating in firmware based Inter Driver
Communication (IDC) while unloading driver
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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