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* 'kvm-updates/2.6.36' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Move TSC reset out of vmcb_init
KVM: x86: Fix SVM VMCB reset
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The VMCB is reset whenever we receive a startup IPI, so Linux is setting
TSC back to zero happens very late in the boot process and destabilizing
the TSC. Instead, just set TSC to zero once at VCPU creation time.
Why the separate patch? So git-bisect is your friend.
Signed-off-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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On reset, VMCB TSC should be set to zero. Instead, code was setting
tsc_offset to zero, which passes through the underlying TSC.
Signed-off-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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This patch disables the fanotify syscalls by just not building them and
letting the cond_syscall() statements in kernel/sys_ni.c redirect them
to sys_ni_syscall().
It was pointed out by Tvrtko Ursulin that the fanotify interface did not
include an explicit prioritization between groups. This is necessary
for fanotify to be usable for hierarchical storage management software,
as they must get first access to the file, before inotify-like notifiers
see the file.
This feature can be added in an ABI compatible way in the next release
(by using a number of bits in the flags field to carry the info) but it
was suggested by Alan that maybe we should just hold off and do it in
the next cycle, likely with an (new) explicit argument to the syscall.
I don't like this approach best as I know people are already starting to
use the current interface, but Alan is all wise and noone on list backed
me up with just using what we have. I feel this is needlessly ripping
the rug out from under people at the last minute, but if others think it
needs to be a new argument it might be the best way forward.
Three choices:
Go with what we got (and implement the new feature next cycle). Add a
new field right now (and implement the new feature next cycle). Wait
till next cycle to release the ABI (and implement the new feature next
cycle). This is number 3.
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
kbuild: fix oldnoconfig to do the right thing
kconfig: Temporarily disable dependency warnings
kconfig: delay symbol direct dependency initialization
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Commit 861b4ea4 broke oldnoconfig when removed the oldnoconfig checks on
if (input_mode == nonint_oldconfig ||
input_mode == oldnoconfig) {
if (input_mode == nonint_oldconfig &&
sym->name &&
!sym_is_choice_value(sym)) {
to avoid oldnoconfig chugging through the else stanza.
Fix that to restore expected behaviour (which I've confirmed in the
Fedora kernel build that the configs end up looking the same.)
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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After fixing a use-after-free bug in kconfig, a 'make defconfig' or
'make allmodconfig' fills the screen with warnings that were not
detected before. Given that we are close to the release now, disable the
warnings temporarily and deal with them after 2.6.36.
Signed-off-by: Michal Marek <mmarek@suse.cz>
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This fixes the use-after-free and associated crash in kconfig introduced
in commit 246cf9c26bf11f2bffbecea6e5bd222eee7b1df8.
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86:
IPS driver: Fix limit clamping when reducing CPU power
[PATCH 2/2] IPS driver: disable CPU turbo
IPS driver: apply BIOS provided CPU limit if different from default
intel_ips -- ensure we do not enable gpu turbo mode without driver linkage
intel_ips: Print MCP limit exceeded values.
IPS driver: verify BIOS provided limits
IPS driver: don't toggle CPU turbo on unsupported CPUs
NULL pointer might be used in ips_monitor()
Release symbol on error-handling path of ips_get_i915_syms()
old_cpu_power is wrongly divided by 65535 in ips_monitor()
seqno mask of THM_ITV register is 16bit
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Values here are in internal units rather than Watts, so we shouldn't
perform any conversion.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The undocumented interface we're using for reading CPU power seems to be
overreporting power. Until we figure out how to correct it, disable CPU
turbo and power reporting to be safe. This will keep the CPU within default
limits and still allow us to increase GPU frequency as needed.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The BIOS may hand us a lower CPU power limit than the default for a
given SKU. We should use it in case the platform isn't designed to
dissapate the full TDP of a given part.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Both when polling the current turbo status (in poll_turbo_status mode)
and when handling thermal events (in ips_irq_handler) the current status
of GPU turbo is updated to match the hardware status. However if during
driver initialisation we were unable aquire linkage to the i915 driver
enabling GPU turbo will lead to an oops on the first attempt to determine
GPU busy status.
Ensure that we do not enable GPU turbo unless we have driver linkage.
BugLink: http://bugs.launchpad.net/bugs/632430
Cc: stable@kernel.org
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Print some interesting values when MCP limits
are exceeded.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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They're optional. If not present or sane, we should use the CPU
defaults.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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If the CPU doesn't support turbo, don't try to enable/disable it.
http://bugzilla.kernel.org/show_bug.cgi?id=18742
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The patch is to create ips_adjust thread before ips_monitor begins
to run because the latter will kthread_stop() or wake up the former
via ips->adjust pointer. Without this change, it is possible that
ips->adjust is NULL when kthread_stop() or wake_up_process() is
called in ips_monitor().
Signed-off-by: minskey guo <chaohong.guo@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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In ips_get_i915_syms(), the symbol i915_gpu_busy() is not released
when error occurs.
Signed-off-by: minskey guo <chaohong.guo@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The variable old_cpu_power is used to save the value of THM_CEC
register. In get_cpu_power(), it will be divided by 65535.
Signed-off-by: minskey guo <chaohong.guo@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The mask of sequence number in THM_ITV register is 16bit width instead
of 8bit.
Signed-off-by: minskey guo <chaohong.guo@intel.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: wacom - fix pressure in Cintiq 21UX2
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Currently the pressure range in Cintiq 21UX2 is limited to half of the
supported. This patch fixes the problem.
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
CC: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ALSA: hda - Add another HP DV6 quirk
OSS: soundcard: locking bug in sound_ioctl()
ASoC: Update links for Wolfson MAINTAINERS entry
ASoC: Add Dimitris Papastamos to Wolfson maintainers
ASoC: Add Jassi Brar as Samsung maintainer
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We also have a separate git for audio, and a generic page for all of our
drivers not just the PMICs.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Add Dimitris Papastamos as a contact for Wolfson device drivers.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
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Since Jassi is doing so much good work and can offer such good review
for the Samsung CPU support add an entry for the Samsung ASoC drivers
to MAINTAINERS listing him.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jassi Brar <jassi.brar@samsung.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
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BugLink: https://bugs.launchpad.net/bugs/653420
Add another HP DV6 notebook (103c:363e) to use STAC_HP_DV5.
Signed-off-by: Luke Yelavich <luke.yelavich@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We shouldn't return directly here because we're still holding the
&soundcard_mutex.
This bug goes all the way back to the start of git. It's strange that
no one has complained about it as a runtime bug.
CC: stable@kernel.org
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
net: clear heap allocation for ETHTOOL_GRXCLSRLALL
isdn: strcpy() => strlcpy()
Revert "mac80211: use netif_receive_skb in ieee80211_tx_status callpath"
mac80211: delete AddBA response timer
ath9k_hw: fix regression in ANI listen time calculation
caif: fix two caif_connect() bugs
bonding: fix WARN_ON when writing to bond_master sysfs file
skge: add quirk to limit DMA
MAINTAINERS: update Intel LAN Ethernet info
e1000e.txt: Add e1000e documentation
e1000.txt: Update e1000 documentation
ixgbevf.txt: Update ixgbevf documentation
cls_u32: signedness bug
Bluetooth: Disallow to change L2CAP_OPTIONS values when connected
sctp: Fix out-of-bounds reading in sctp_asoc_get_hmac()
sctp: prevent reading out-of-bounds memory
ipv4: correct IGMP behavior on v3 query during v2-compatibility mode
netdev: Depend on INET before selecting INET_LRO
Revert "ipv4: Make INET_LRO a bool instead of tristate."
net: Fix the condition passed to sk_wait_event()
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Calling ETHTOOL_GRXCLSRLALL with a large rule_cnt will allocate kernel
heap without clearing it. For the one driver (niu) that implements it,
it will leave the unused portion of heap unchanged and copy the full
contents back to userspace.
Signed-off-by: Kees Cook <kees.cook@canonical.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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This reverts commit 5ed3bc7288487bd4f891f420a07319e0b538b4fe.
It turns-out that not all drivers are calling ieee80211_tx_status from a
compatible context. Revert this for now and try again later...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We never delete the addBA response timer, which
is typically fine, but if the station it belongs
to is deleted very quickly after starting the BA
session, before the peer had a chance to reply,
the timer may fire after the station struct has
been freed already. Therefore, we need to delete
the timer in a suitable spot -- best when the
session is being stopped (which will happen even
then) in which case the delete will be a no-op
most of the time.
I've reproduced the scenario and tested the fix.
This fixes the crash reported at
http://mid.gmane.org/4CAB6F96.6090701@candelatech.com
Cc: stable@kernel.org
Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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wireless-testing
commit 37e5bf6535a4d697fb9fa6f268a8354a612cbc00
Author: Luis R. Rodriguez <lrodriguez@atheros.com>
Date: Sat Jun 12 00:33:40 2010 -0400
ath9k_hw: fix clock rate calculations for ANI
This commit accidentally broke clock rate calculation by doubling the
calculated clock rate
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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setup.phone and setup.eazmsn are 32 character buffers.
rcvmsg.msg_data.byte_array is a 48 character buffer.
sc_adapter[card]->channel[rcvmsg.phy_link_no - 1].dn is 50 chars.
The rcvmsg struct comes from the memcpy_fromio() in receivemessage().
I guess that means it's data off the wire. I'm not very familiar with
this code but I don't see any reason to assume these strings are NULL
terminated.
Also it's weird that "dn" in a 50 character buffer but we only seem to
use 32 characters. In drivers/isdn/sc/scioc.h, "dn" is only a 49
character buffer. So potentially there is still an issue there.
The important thing for now is to prevent the memory corruption.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-2.6
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L2CAP doesn't permit change like MTU, FCS, TxWindow values while the
connection is alive, we can only set that before the
connection/configuration process. That can lead to bugs in the L2CAP
operation.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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The Enhanced Retransmission Mode(ERTM) is a realiable mode of operation
of the Bluetooth L2CAP layer. Think on it like a simplified version of
TCP.
The problem we were facing here was a deadlock. ERTM uses a backlog
queue to queue incomimg packets while the user is helding the lock. At
some moment the sk_sndbuf can be exceeded and we can't alloc new skbs
then the code sleep with the lock to wait for memory, that stalls the
ERTM connection once we can't read the acknowledgements packets in the
backlog queue to free memory and make the allocation of outcoming skb
successful.
This patch actually affect all users of bt_skb_send_alloc(), i.e., all
L2CAP modes and SCO.
We are safe against socket states changes or channels deletion while the
we are sleeping wait memory. Checking for the sk->sk_err and
sk->sk_shutdown make the code safe, since any action that can leave the
socket or the channel in a not usable state set one of the struct
members at least. Then we can check both of them when getting the lock
again and return with the proper error if something unexpected happens.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Ulisses Furquim <ulisses@profusion.mobi>
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This reverts commit 8cb8e6f1684be13b51f8429b15f39c140326b327.
That commit introduced a regression with the Bluetooth Profile Tuning
Suite(PTS), Reverting this make sure that L2CAP is in a qualificable
state.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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When receiving a rfcomm connection with the old dund deamon a
inconsistent lock state happens. That's because interrupts were already
disabled by l2cap_conn_start() when rfcomm_sk_state_change() try to lock
the spin_lock.
As result we may have a inconsistent lock state for l2cap_conn_start()
after rfcomm_sk_state_change() calls bh_lock_sock() and disable interrupts
as well.
[ 2833.151999]
[ 2833.151999] =================================
[ 2833.151999] [ INFO: inconsistent lock state ]
[ 2833.151999] 2.6.36-rc3 #2
[ 2833.151999] ---------------------------------
[ 2833.151999] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
[ 2833.151999] krfcommd/2306 [HC0[0]:SC0[0]:HE1:SE1] takes:
[ 2833.151999] (slock-AF_BLUETOOTH){+.?...}, at: [<ffffffffa00bcb56>] rfcomm_sk_state_change+0x46/0x170 [rfcomm]
[ 2833.151999] {IN-SOFTIRQ-W} state was registered at:
[ 2833.151999] [<ffffffff81094346>] __lock_acquire+0x5b6/0x1560
[ 2833.151999] [<ffffffff8109534a>] lock_acquire+0x5a/0x70
[ 2833.151999] [<ffffffff81392b6c>] _raw_spin_lock+0x2c/0x40
[ 2833.151999] [<ffffffffa00a5092>] l2cap_conn_start+0x92/0x640 [l2cap]
[ 2833.151999] [<ffffffffa00a6a3f>] l2cap_sig_channel+0x6bf/0x1320 [l2cap]
[ 2833.151999] [<ffffffffa00a9173>] l2cap_recv_frame+0x133/0x770 [l2cap]
[ 2833.151999] [<ffffffffa00a997b>] l2cap_recv_acldata+0x1cb/0x390 [l2cap]
[ 2833.151999] [<ffffffffa000db4b>] hci_rx_task+0x2ab/0x450 [bluetooth]
[ 2833.151999] [<ffffffff8106b22b>] tasklet_action+0xcb/0xe0
[ 2833.151999] [<ffffffff8106b91e>] __do_softirq+0xae/0x150
[ 2833.151999] [<ffffffff8102bc0c>] call_softirq+0x1c/0x30
[ 2833.151999] [<ffffffff8102ddb5>] do_softirq+0x75/0xb0
[ 2833.151999] [<ffffffff8106b56d>] irq_exit+0x8d/0xa0
[ 2833.151999] [<ffffffff8104484b>] smp_apic_timer_interrupt+0x6b/0xa0
[ 2833.151999] [<ffffffff8102b6d3>] apic_timer_interrupt+0x13/0x20
[ 2833.151999] [<ffffffff81029dfa>] cpu_idle+0x5a/0xb0
[ 2833.151999] [<ffffffff81381ded>] rest_init+0xad/0xc0
[ 2833.151999] [<ffffffff817ebc4d>] start_kernel+0x2dd/0x2e8
[ 2833.151999] [<ffffffff817eb2e6>] x86_64_start_reservations+0xf6/0xfa
[ 2833.151999] [<ffffffff817eb3ce>] x86_64_start_kernel+0xe4/0xeb
[ 2833.151999] irq event stamp: 731
[ 2833.151999] hardirqs last enabled at (731): [<ffffffff8106b762>] local_bh_enable_ip+0x82/0xe0
[ 2833.151999] hardirqs last disabled at (729): [<ffffffff8106b93e>] __do_softirq+0xce/0x150
[ 2833.151999] softirqs last enabled at (730): [<ffffffff8106b96e>] __do_softirq+0xfe/0x150
[ 2833.151999] softirqs last disabled at (711): [<ffffffff8102bc0c>] call_softirq+0x1c/0x30
[ 2833.151999]
[ 2833.151999] other info that might help us debug this:
[ 2833.151999] 2 locks held by krfcommd/2306:
[ 2833.151999] #0: (rfcomm_mutex){+.+.+.}, at: [<ffffffffa00bb744>] rfcomm_run+0x174/0xb20 [rfcomm]
[ 2833.151999] #1: (&(&d->lock)->rlock){+.+...}, at: [<ffffffffa00b9223>] rfcomm_dlc_accept+0x53/0x100 [rfcomm]
[ 2833.151999]
[ 2833.151999] stack backtrace:
[ 2833.151999] Pid: 2306, comm: krfcommd Tainted: G W 2.6.36-rc3 #2
[ 2833.151999] Call Trace:
[ 2833.151999] [<ffffffff810928e1>] print_usage_bug+0x171/0x180
[ 2833.151999] [<ffffffff810936c3>] mark_lock+0x333/0x400
[ 2833.151999] [<ffffffff810943ca>] __lock_acquire+0x63a/0x1560
[ 2833.151999] [<ffffffff810948b5>] ? __lock_acquire+0xb25/0x1560
[ 2833.151999] [<ffffffff8109534a>] lock_acquire+0x5a/0x70
[ 2833.151999] [<ffffffffa00bcb56>] ? rfcomm_sk_state_change+0x46/0x170 [rfcomm]
[ 2833.151999] [<ffffffff81392b6c>] _raw_spin_lock+0x2c/0x40
[ 2833.151999] [<ffffffffa00bcb56>] ? rfcomm_sk_state_change+0x46/0x170 [rfcomm]
[ 2833.151999] [<ffffffffa00bcb56>] rfcomm_sk_state_change+0x46/0x170 [rfcomm]
[ 2833.151999] [<ffffffffa00b9239>] rfcomm_dlc_accept+0x69/0x100 [rfcomm]
[ 2833.151999] [<ffffffffa00b9a49>] rfcomm_check_accept+0x59/0xd0 [rfcomm]
[ 2833.151999] [<ffffffffa00bacab>] rfcomm_recv_frame+0x9fb/0x1320 [rfcomm]
[ 2833.151999] [<ffffffff813932bb>] ? _raw_spin_unlock_irqrestore+0x3b/0x60
[ 2833.151999] [<ffffffff81093acd>] ? trace_hardirqs_on_caller+0x13d/0x180
[ 2833.151999] [<ffffffff81093b1d>] ? trace_hardirqs_on+0xd/0x10
[ 2833.151999] [<ffffffffa00bb7f1>] rfcomm_run+0x221/0xb20 [rfcomm]
[ 2833.151999] [<ffffffff813905e7>] ? schedule+0x287/0x780
[ 2833.151999] [<ffffffffa00bb5d0>] ? rfcomm_run+0x0/0xb20 [rfcomm]
[ 2833.151999] [<ffffffff81081026>] kthread+0x96/0xa0
[ 2833.151999] [<ffffffff8102bb14>] kernel_thread_helper+0x4/0x10
[ 2833.151999] [<ffffffff813936bc>] ? restore_args+0x0/0x30
[ 2833.151999] [<ffffffff81080f90>] ? kthread+0x0/0xa0
[ 2833.151999] [<ffffffff8102bb10>] ? kernel_thread_helper+0x0/0x10
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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As we don't have any error control on the Streaming mode, i.e., we don't
need to keep a copy of the skb for later resending we don't need to
call skb_clone() on it.
Then we can go one further here, and dequeue the skb before sending it,
that also means we don't need to look to sk->sk_send_head anymore.
The patch saves memory and time when sending Streaming mode data, so
it is good to mainline.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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When receiving L2CAP negative configuration response with respect
to MTU parameter we modify wrong field. MTU here means proposed
value of MTU that the remote device intends to transmit. So for local
L2CAP socket it is pi->imtu.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com>
Acked-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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This fixes a bug which caused the FCS setting to show L2CAP_FCS_CRC16
with L2CAP modes other than ERTM or streaming. At present, this only
affects the FCS value shown with getsockopt() for basic mode.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
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caif_connect() might dereference a netdevice after dev_put() it.
It also doesnt check dev_get_by_index() return value and could
dereference a NULL pointer.
Fix it, using RCU to avoid taking a reference.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix a WARN_ON failure in bond_masters sysfs file
Got a report of this warning recently
bonding: bond0 is being created...
------------[ cut here ]------------
WARNING: at fs/proc/generic.c:590 proc_register+0x14d/0x185()
Hardware name: ProLiant BL465c G1
proc_dir_entry 'bonding/bond0' already registered
Modules linked in: bonding ipv6 tg3 bnx2 shpchp amd64_edac_mod edac_core
ipmi_si
ipmi_msghandler serio_raw i2c_piix4 k8temp edac_mce_amd hpwdt microcode hpsa
cc
iss radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core [last unloaded:
scsi_wai
t_scan]
Pid: 935, comm: ifup-eth Not tainted 2.6.33.5-124.fc13.x86_64 #1
Call Trace:
[<ffffffff8104b54c>] warn_slowpath_common+0x77/0x8f
[<ffffffff8104b5b1>] warn_slowpath_fmt+0x3c/0x3e
[<ffffffff8114bf0b>] proc_register+0x14d/0x185
[<ffffffff8114c20c>] proc_create_data+0x87/0xa1
[<ffffffffa0211e9b>] bond_create_proc_entry+0x55/0x95 [bonding]
[<ffffffffa0215e5d>] bond_init+0x95/0xd0 [bonding]
[<ffffffff8138cd97>] register_netdevice+0xdd/0x29e
[<ffffffffa021240b>] bond_create+0x8e/0xb8 [bonding]
[<ffffffffa021c4be>] bonding_store_bonds+0xb3/0x1c1 [bonding]
[<ffffffff812aec85>] class_attr_store+0x27/0x29
[<ffffffff8115423d>] sysfs_write_file+0x10f/0x14b
[<ffffffff81101acf>] vfs_write+0xa9/0x106
[<ffffffff81101be2>] sys_write+0x45/0x69
[<ffffffff81009b02>] system_call_fastpath+0x16/0x1b
---[ end trace a677c3f7f8b16b1e ]---
bonding: Bond creation failed.
It happens because a user space writer to bond_master can try to
register an already existing bond interface name. Fix it by teaching
bond_create to check for the existance of devices with that name first
in cases where a non-NULL name parameter has been passed in
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Skge devices installed on some Gigabyte motherboards are not able to
perform 64 dma correctly due to board PCI implementation, so limit
DMA to 32bit if such boards are detected.
Bug was reported here:
https://bugzilla.redhat.com/show_bug.cgi?id=447489
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Tested-by: Luya Tshimbalanga <luya@fedoraproject.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- Add ixgbevf and docs files to the maintainers file
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds documentation for the e1000e networking driver.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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