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On some hw, link is not up during adding iface to team. That causes event
not being sent to userspace and that may cause confusion.
Fix this bug by sending port changed event once it's added to team.
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the driver has no MODULE_LICENSE attribute in its source which
results in a kernel taint if I load this:
root@(none):~# modprobe bcm87xx
bcm87xx: module license 'unspecified' taints kernel.
Since the first lines of the source code clearly state:
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file "COPYING" in the main directory of this
* archive for more details.
I think it's safe to add the MODULE_LICENSE("GPL") macro and thus remove
the kernel taint.
Cc: stable@vger.kernel.org
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking updates from David Miller:
"More bug fixes, nothing gets past these guys"
1) More kernel info leaks found by Mathias Krause, this time in the
IPSEC configuration layers.
2) When IPSEC policies change, we do not properly make sure that cached
routes (which could now be stale) throughout the system will be
revalidated. Fix this by generalizing the generation count
invalidation scheme used by ipv4. From Nicolas Dichtel.
3) When repairing TCP sockets, we need to allow to restore not just the
send window scale, but the receive one too. Extend the existing
interface to achieve this in a backwards compatible way. From
Andrey Vagin.
4) A fix for FCOE scatter gather feature validation erroneously caused
scatter gather to be disabled for things like AOE too. From Ed L
Cashin.
5) Several cases of mishandling of error pointers, from Mathias Krause,
Wei Yongjun, and Devendra Naga.
6) Fix gianfar build, from Richard Cochran.
7) CAP_NET_* failures should return -EPERM not -EACCES, from Zhao
Hongjiang.
8) Hardware reset fix in janz-ican3 CAN driver, from Ira W Snyder.
9) Fix oops during rmmod in ti_hecc CAN driver, from Marc Kleine-Budde.
10) The removal of the conditional compilation of the clk support code
in the stmmac driver broke things. This is because the interfaces
used are the ones that don't also perform the enable/disable of the
clk. Fix from Stefan Roese.
11) The QFQ packet scheduler can record out of range virtual start
times, resulting later in misbehavior and even crashes. Fix from
Paolo Valente.
12) If MSG_WAITALL is used with IOAT DMA under TCP, we can wedge the
receiver when the advertised receive window goes to zero. Detect
this case and force the processing of the IOAT DMA queue when it
happens to avoid getting stuck. Fix from Michal Kubecek.
13) batman-adv assumes that test_bit() returns only 0 or 1, but this is
not true for x86 (which returns -1 or 0, via the 'sbb' instruction).
Fix from Linus Lussing.
14) Fix small packet corruption in e1000, from Tushar Dave.
15) make_blackhole() in the IPSEC policy code can do one read unlock too
many, fix from Li RongQing.
16) The new tcp_try_coalesce() code introduced a bug in TCP URG
handling, fix from Eric Dumazet.
17) Fix memory leak in __netif_receive_skb() when doing zerocopy and
when hit an OOM condition. From Michael S Tsirkin.
18) netxen blindly deferences pdev->bus->self, which is not guarenteed
to be non-NULL. Fix from Nikolay Aleksandrov.
19) Fix a performance regression caused by mistakes in ipv6 checksum
validation in the bnx2x driver, fix from Michal Schmidt.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (45 commits)
net/stmmac: Use clk_prepare_enable and clk_disable_unprepare
net: change return values from -EACCES to -EPERM
net/irda: sh_sir: fix return value check in sh_sir_set_baudrate()
stmmac: fix return value check in stmmac_open_ext_timer()
gianfar: fix phc index build failure
ipv6: fix return value check in fib6_add()
bnx2x: remove false warning regarding interrupt number
can: ti_hecc: fix oops during rmmod
can: janz-ican3: fix support for older hardware revisions
net: do not disable sg for packets requiring no checksum
aoe: assert AoE packets marked as requiring no checksum
at91ether: return PTR_ERR if call to clk_get fails
xfrm_user: don't copy esn replay window twice for new states
xfrm_user: ensure user supplied esn replay window is valid
xfrm_user: fix info leak in copy_to_user_tmpl()
xfrm_user: fix info leak in copy_to_user_policy()
xfrm_user: fix info leak in copy_to_user_state()
xfrm_user: fix info leak in copy_to_user_auth()
net: qmi_wwan: adding Huawei E367, ZTE MF683 and Pantech P4200
tcp: restore rcv_wscale in a repair mode (v2)
...
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Pull drm fixes from Dave Airlie:
"Fixes for big 3 drivers:
nouveau: revert earlier MBP fix, put a dmi based MBP fix in its place
(fixes a regression we found on some Dell eDP panels doing some
internal testing)
radeon: revert pll fixes, real fix is too invasive, fix scratch leak
intel: 3 minor fixes, one for HDMI audio."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: add dmi quirk for gpio reset
drm/radeon: Prevent leak of scratch register on resume from suspend
Revert "drm/nv50-/gpio: initialise to vbios defaults during init"
Revert "drm/radeon: rework pll selection (v3)"
drm/i915: HDMI - Clear Audio Enable bit for Hot Plug
drm/i915: Reduce a pin-leak BUG into a WARN
drm/i915: enable lvds pin pairs before dpll on gen2
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"Updates for the input subsystem. Just a few driver updates mostly
dealing with recent regressions."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: edt-ft5x06 - return -EFAULT on copy_to_user() error
Input: sentelic - filter out erratic movement when lifting finger
Input: ambakmi - [un]prepare clocks when enabling amd disabling
Input: i8042 - disable mux on Toshiba C850D
Revert "input: ab8500-ponkey: Create AB8500 domain IRQ mapping"
Input: imx_keypad - fix missing clk conversions
Input: usbtouchscreen - initialize eGalax devices
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Pull watchdog fixes from Wim Van Sebroeck:
"Fix a kdump issue in hpwdt and a possible NULL dereference."
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: move the dereference below the NULL test
hpwdt: Fix kdump issue in hpwdt
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- Add missing 'name' sysfs attributes to ad7314 and ads7871 drivers
- Bump maximum wait time for applesmc driver (again)
- Fix build warning seen with W=1 in include/linux/kernel.h, introduced
with commit b6d86d3d6d6e ("Fix DIV_ROUND_CLOSEST to support negative
dividends")
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
linux/kernel.h: Fix warning seen with W=1 due to change in DIV_ROUND_CLOSEST
hwmon: (applesmc) Bump max wait
hwmon: (ad7314) Add 'name' sysfs attribute
hwmon: (ads7871) Add 'name' sysfs attribute
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Pull slave-dmaengine fixes from Vinod Koul:
"There are two trivial fixes in pl330 driver and two in at_hdmac
driver."
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
DMA: PL330: Check the pointer returned by kzalloc
DMA: PL330: Fix potential NULL pointer dereference in pl330_submit_req()
dmaengine: at_hdmac: check that each sg data length is non-null
dmaengine: at_hdmac: fix comment in atc_prep_slave_sg()
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Bug fixes for 3.6-rc7, including some important patches for large page
related memory management issues."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/dasd: fix read unit address configuration loop
s390/dasd: fix pathgroup race
s390/mm: fix user access page-table walk code
s390/hwcaps: do not report high gprs for 31 bit kernel
s390/cio: invalidate cdev pointer before deregistration
s390/cio: fix IO subchannel event race
s390/dasd: move wake_up call
s390/hugetlb: use direct TLB flushing for hugetlbfs pages
s390/mm: fix deadlock in unmap_hugepage_range()
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen bug-fixes from Konrad Rzeszutek Wilk:
- Fix M2P batching re-using the incorrect structure field.
In v3.5 we added batching for M2P override (Machine Frame Number ->
Physical Frame Number), but the original MFN was saved in an
incorrect structure - and we would oops/restore when restoring with
the old MFN.
- Disable BIOS SMP MP table search.
A bootup issue that we had ignored until we found that on DL380 G6 it
was needed.
* tag 'stable/for-linus-3.6-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/boot: Disable BIOS SMP MP table search.
xen/m2p: do not reuse kmap_op->dev_bus_addr
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This patch fixes an issue introduced by commit ID 6a81c26f
[net/stmmac: remove conditional compilation of clk code], which
switched from the internal stmmac_clk_{en}{dis}able calls to
clk_{en}{dis}able. By this, calling clk_prepare and clk_unprepare
was removed.
clk_{un}prepare is mandatory for platforms using common clock framework.
Since these drivers are used by SPEAr platform, which supports common
clock framework, add clk_{un}prepare() support for them. Otherwise
the clocks are not correctly en-/disabled and ethernet support doesn't
work.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Marc Kleine-Budde says:
====================
two patches for the v3.6 release cycle. Ira W. Snyder fixed support for the
older version of the Janz CMOD-IO Carrier Board. I found and fixed an oops in
the ti_hecc driver, which occurs when removing the module if the network
interface is still open.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL pointer. The NULL test in the error
handling should be replaced with IS_ERR().
dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of error, the function clk_get() returns ERR_PTR()
and never returns NULL pointer. The NULL test in the error
handling should be replaced with IS_ERR().
dpatch engine is used to auto generated this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a build failure introduced in commit 66636287
("gianfar: Support the get_ts_info ethtool method."). Not only was a
global variable inconsistently named, but also it was not exported as
it should have been.
This fix is also needed in stable version 3.5.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since version 7.4 the FW configures in the pci config space the max
number of interrupts available to the physical function, instead of
the exact number to use.
This causes a false warning in driver when comparing the number of
configured interrupts to the number about to be used.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes an oops which occurs when unloading the driver, while the
network interface is still up. The problem is that first the io mapping is
teared own, then the CAN device is unregistered, resulting in accessing the
hardware's iomem:
[ 172.744232] Unable to handle kernel paging request at virtual address c88b0040
[ 172.752441] pgd = c7be4000
[ 172.755645] [c88b0040] *pgd=87821811, *pte=00000000, *ppte=00000000
[ 172.762207] Internal error: Oops: 807 [#1] PREEMPT ARM
[ 172.767517] Modules linked in: ti_hecc(-) can_dev
[ 172.772430] CPU: 0 Not tainted (3.5.0alpha-00037-g3554cc0 #126)
[ 172.778961] PC is at ti_hecc_close+0xb0/0x100 [ti_hecc]
[ 172.784423] LR is at __dev_close_many+0x90/0xc0
[ 172.789123] pc : [<bf00c768>] lr : [<c033be58>] psr: 60000013
[ 172.789123] sp : c5c1de68 ip : 00040081 fp : 00000000
[ 172.801025] r10: 00000001 r9 : c5c1c000 r8 : 00100100
[ 172.806457] r7 : c5d0a48c r6 : c5d0a400 r5 : 00000000 r4 : c5d0a000
[ 172.813232] r3 : c88b0000 r2 : 00000001 r1 : c5d0a000 r0 : c5d0a000
[ 172.820037] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 172.827423] Control: 10c5387d Table: 87be4019 DAC: 00000015
[ 172.833404] Process rmmod (pid: 600, stack limit = 0xc5c1c2f0)
[ 172.839447] Stack: (0xc5c1de68 to 0xc5c1e000)
[ 172.843994] de60: bf00c6b8 c5c1dec8 c5d0a000 c5d0a000 00200200 c033be58
[ 172.852478] de80: c5c1de44 c5c1dec8 c5c1dec8 c033bf2c c5c1de90 c5c1de90 c5d0a084 c5c1de44
[ 172.860992] dea0: c5c1dec8 c033c098 c061d3dc c5d0a000 00000000 c05edf28 c05edb34 c000d724
[ 172.869476] dec0: 00000000 c033c2f8 c5d0a084 c5d0a084 00000000 c033c370 00000000 c5d0a000
[ 172.877990] dee0: c05edb00 c033c3b8 c5d0a000 bf00d3ac c05edb00 bf00d7c8 bf00d7c8 c02842dc
[ 172.886474] df00: c02842c8 c0282f90 c5c1c000 c05edb00 bf00d7c8 c0283668 bf00d7c8 00000000
[ 172.894989] df20: c0611f98 befe2f80 c000d724 c0282d10 bf00d804 00000000 00000013 c0068a8c
[ 172.903472] df40: c5c538e8 685f6974 00636365 c61571a8 c5cb9980 c61571a8 c6158a20 c00c9bc4
[ 172.911987] df60: 00000000 00000000 c5cb9980 00000000 c5cb9980 00000000 c7823680 00000006
[ 172.920471] df80: bf00d804 00000880 c5c1df8c 00000000 000d4267 befe2f80 00000001 b6d90068
[ 172.928985] dfa0: 00000081 c000d5a0 befe2f80 00000001 befe2f80 00000880 b6d90008 00000008
[ 172.937469] dfc0: befe2f80 00000001 b6d90068 00000081 00000001 00000000 befe2eac 00000000
[ 172.945983] dfe0: 00000000 befe2b18 00023ba4 b6e6addc 60000010 befe2f80 a8e00190 86d2d344
[ 172.954498] [<bf00c768>] (ti_hecc_close+0xb0/0x100 [ti_hecc]) from [<c033be58>] (__dev__registered_many+0xc0/0x2a0)
[ 172.984161] [<c033c098>] (rollback_registered_many+0xc0/0x2a0) from [<c033c2f8>] (rollback_registered+0x20/0x30)
[ 172.994750] [<c033c2f8>] (rollback_registered+0x20/0x30) from [<c033c370>] (unregister_netdevice_queue+0x68/0x98)
[ 173.005401] [<c033c370>] (unregister_netdevice_queue+0x68/0x98) from [<c033c3b8>] (unregister_netdev+0x18/0x20)
[ 173.015899] [<c033c3b8>] (unregister_netdev+0x18/0x20) from [<bf00d3ac>] (ti_hecc_remove+0x60/0x80 [ti_hecc])
[ 173.026245] [<bf00d3ac>] (ti_hecc_remove+0x60/0x80 [ti_hecc]) from [<c02842dc>] (platform_drv_remove+0x14/0x18)
[ 173.036712] [<c02842dc>] (platform_drv_remove+0x14/0x18) from [<c0282f90>] (__device_release_driver+0x7c/0xbc)
Cc: stable <stable@vger.kernel.org>
Cc: Anant Gole <anantgole@ti.com>
Tested-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The Revision 1.0 Janz CMOD-IO Carrier Board does not have support for
the reset registers. To support older hardware, the code is changed to
use the hardware reset register on the Janz VMOD-ICAN3 hardware itself.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel writes:
Essentially just flush my -fixes queue before I head off to xdc.
- gen2 regression fixer, we've enabled the lvds stuff too late. Not
causing any known issues, but this restores the sequence before a
refactor that landed in 3.5, and lvds is a fickle beast. And seriously,
who runs gen2 still ...
- downgrade a BUG to a WARN - we haven't root-caused/fixed the underlying
issue yet, but this should help bug reporters quite a bit.
- properly disable hdmi audio - we've lost track of this, which resulted
in the alsa driver again losing track of the unplug event.
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: HDMI - Clear Audio Enable bit for Hot Plug
drm/i915: Reduce a pin-leak BUG into a WARN
drm/i915: enable lvds pin pairs before dpll on gen2
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This fixes the gpio reset problem so the Retina MBP works, but avoids
breaking the Dell systems. Ben will work on a better solution for 3.7.
Tested by me on retina MBP.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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In order for the network layer to see that AoE requires
no checksumming in a generic way, the packets must be
marked as requiring no checksum, so we make this requirement
explicit with the assertion.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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we are currently returning ENODEV, as the clk_get may give a exact
error code in its returned pointer, assign it to the ret by using the
PTR_ERR function, so that the subsequent goto label will jump to the
error path and clean the driver and return the error correctly.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One of the modes of Huawei E367 has this QMI/wwan interface:
I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=07 Driver=(none)
E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
Huawei use subclass and protocol to identify vendor specific
functions, so adding a new vendor rule for this combination.
The Pantech devices UML290 (106c:3718) and P4200 (106c:3721) use
the same subclass to identify the QMI/wwan function. Replace the
existing device specific UML290 entries with generic vendor matching,
adding support for the Pantech P4200.
The ZTE MF683 has 6 vendor specific interfaces, all using
ff/ff/ff for cls/sub/prot. Adding a match on interface #5 which
is a QMI/wwan interface.
Cc: Fangxiaozhi (Franko) <fangxiaozhi@huawei.com>
Cc: Thomas Schäfer <tschaefer@t-online.de>
Cc: Dan Williams <dcbw@redhat.com>
Cc: Shawn J. Goff <shawn7400@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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into drm-fixes
fixes a resume regression on pre-r6xx asics.
* 'drm-fixes-3.6' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: Prevent leak of scratch register on resume from suspend
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Cards typically have 5-7 scratch registers; one of these is reserved for
rdev->rptr_save_reg. Unfortunately the reservation is done in function
r100_cp_init, which is called by all drivers except r600 - and this
function is also invoked on resume from suspend. After several resumes,
no scratch registers are free and graphics acceleration is disabled.
Dmesg then reports either:
*ERROR* radeon: cp failed to get scratch reg (-22).
*ERROR* radeon: cp isn't working(-22).
radeon 0000:01:00.0: failed initializing CP (-22).
or:
*ERROR* radeon: failed to get scratch reg (-22).
*ERROR* radeon: failed testing IB on GFX ring (-22).
*ERROR* ib ring test failed (-22).
The chain of calls on boot for all except r600 is:
radeon_init -> ... -> (rXXX_init) -> rXXX_startup -> r100_cp_init
The chain of calls on resume for all except r600 is:
rXXX_resume -> rXXX_startup -> r100_cp_init.
R600 correctly allocates rptr_save_reg in r600_init (ie once only, not
in resume). However moving the code into the init functions for all
drivers means touching 4 drivers. So instead, this patch just adds a
test in r100_cp_init to avoid reallocating on resume. As the rdev
structure is allocated via kzalloc in radeon_driver_load_kms, and zero
is not a valid registerid, zero safely implies not-yet-allocated.
This issue appears to have been introduced in c7eff978 (3.6.0-rcN)
Signed-off-by: Simon Kitching <skitching@vonos.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 991083ba60f89e717e3a4175be96d48a810e9eae.
We discovered this causes problem on some Dell eDP laptops, so Apple
lose out for now, I might try and whip up a dmi based workaround for 3.6
but I'm not sure I'll get time.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-fixes
The pll fix ended up causing some regressions. Drop it for 3.6. I've
fixed it properly in 3.7, but the fix is too invasive for 3.6.
* 'drm-fixes-3.6' of git://people.freedesktop.org/~agd5f/linux:
Revert "drm/radeon: rework pll selection (v3)"
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copy_to_user() returns the number of bytes remaining, but we want a
negative error code here.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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When lifing finger off the surface some versions of touchpad send movement
packets with very low coordinates, which cause cursor to jump to the upper
left corner of the screen. Let's ignore least significant bits of X and Y
coordinates if higher bits are all zeroes and consider finger not touching
the pad.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43197
Reported-and-tested-by: Aleksey Spiridonov <leks13@leks13.ru>
Tested-by: Eddie Dunn <eddie.dunn@gmail.com>
Tested-by: Jakub Luzny <limoto94@gmail.com>
Tested-by: Olivier Goffart <olivier@woboq.com>
Signed-off-by: Tai-hwa Liang <avatar@sentelic.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Clocks must be prepared before enabling and unprepared
after disabling. Use appropriate functions to do this
in one go.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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On Toshiba Satellite C850D, the touchpad and the keyboard might randomly
not work at boot. Preventing MUX mode activation solves this issue.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Signed-off-by: Søren Holm <sgh@sgh.dk>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull block fixes from Jens Axboe:
"A small collection of driver fixes/updates and a core fix for 3.6. It
contains:
- Bug fixes for mtip32xx, and support for new hardware (just addition
of IDs). They have been queued up for 3.7 for a few weeks as well.
- rate-limit a failing command error message in block core.
- A fix for an old cciss bug from Stephen.
- Prevent overflow of partition count from Alan."
* 'for-linus' of git://git.kernel.dk/linux-block:
cciss: fix handling of protocol error
blk: add an upper sanity check on partition adding
mtip32xx: fix user_buffer check in exec_drive_command
mtip32xx: Remove dead code
mtip32xx: Change printk to pr_xxxx
mtip32xx: Proper reporting of write protect status on big-endian
mtip32xx: Increase timeout for standby command
mtip32xx: Handle NCQ commands during the security locked state
mtip32xx: Add support for new devices
block: rate-limit the error message from failing commands
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Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: Fix up TIF_NOTIFY_RESUME sans TIF_SIGPENDING handling.
sh: pfc: Release spinlock in sh_pfc_gpio_request_enable() error path
sh: intc: Fix up multi-evt irq association.
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git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg
Pull rpmsg fix from Ohad Ben-Cohen:
"A quick rpmsg fix from Fernando, fixing two buggy invocations of
dma_free_coherent"
* tag 'rpmsg-3.6-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/rpmsg:
rpmsg: fix dma_free_coherent dev parameter
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Pull md fixes from NeilBrown:
"3 fixes for md in 3.6.
One reverts a recent patch which turns out to not be such a good idea.
Other two fix minor bugs with the new (since 3.3) 'replacement' code
and have been tagged for -stable."
* tag 'md-3.6-fixes' of git://neil.brown.name/md:
md: make sure metadata is updated when spares are activated or removed.
md/raid5: fix calculate of 'degraded' when a replacement becomes active.
Revert "md/raid5: For odirect-write performance, do not set STRIPE_PREREAD_ACTIVE."
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue / powernow-k8 fix from Tejun Heo:
"This is the fix for the bug where cpufreq/powernow-k8 was tripping
BUG_ON() in try_to_wake_up_local() by migrating workqueue worker to a
different CPU.
https://bugzilla.kernel.org/show_bug.cgi?id=47301
As discussed, the fix is now two parts - one to reimplement
work_on_cpu() so that it doesn't create a new kthread each time and
the actual fix which makes powernow-k8 use work_on_cpu() instead of
performing manual migration.
While pretty late in the merge cycle, both changes are on the safer
side. Jiri and I verified two existing users of work_on_cpu() and
Duncan confirmed that the powernow-k8 fix survived about 18 hours of
testing."
* 'for-3.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
cpufreq/powernow-k8: workqueue user shouldn't migrate the kworker to another CPU
workqueue: reimplement work_on_cpu() using system_wq
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This reverts commit ca3b3faf9bee4dc5df4f10eae2d1e48f7de0a8ad.
There was a plan to place ab8500_irq_get_virq() calls in each AB8500
child device prior to requesting an IRQ, but as we're no longer using
Device Tree to collect our IRQ numbers, it's actually better to allow
the core to do this during device registration time. So the IRQ number
we pull from its resource has already been converted to a virtual IRQ.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Sync with mainline so that I can revert an input patch that came in through
another subsystem tree.
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powernowk8_target() runs off a per-cpu work item and if the
cpufreq_policy->cpu is different from the current one, it migrates the
kworker to the target CPU by manipulating current->cpus_allowed. The
function migrates the kworker back to the original CPU but this is
still broken. Workqueue concurrency management requires the kworkers
to stay on the same CPU and powernowk8_target() ends up triggerring
BUG_ON(rq != this_rq()) in try_to_wake_up_local() if it contends on
fidvid_mutex and sleeps.
It is unclear why this bug is being reported now. Duncan says it
appeared to be a regression of 3.6-rc1 and couldn't reproduce it on
3.5. Bisection seemed to point to 63d95a91 "workqueue: use @pool
instead of @gcwq or @cpu where applicable" which is an non-functional
change. Given that the reproduce case sometimes took upto days to
trigger, it's easy to be misled while bisecting. Maybe something made
contention on fidvid_mutex more likely? I don't know.
This patch fixes the bug by using work_on_cpu() instead if @pol->cpu
isn't the same as the current one. The code assumes that
cpufreq_policy->cpu is kept online by the caller, which Rafael tells
me is the case.
stable: ed48ece27c ("workqueue: reimplement work_on_cpu() using
system_wq") should be applied before this; otherwise, the
behavior could be horrible.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Duncan <1i5t5.duncan@cox.net>
Tested-by: Duncan <1i5t5.duncan@cox.net>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: stable@vger.kernel.org
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47301
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It isn't always necessary to update the metadata when spares are
removed as the presence-or-not of a spare isn't really important to
the integrity of an array.
Also activating a spare doesn't always require updating the metadata
as the update on 'recovery-completed' is usually sufficient.
However the introduction of 'replacement' devices have made these
transitions sometimes more important. For example the 'Replacement'
flag isn't cleared until the original device is removed, so we need
to ensure a metadata update after that 'spare' is removed.
So set MD_CHANGE_DEVS whenever a spare is activated or removed, to
complement the current situation where it is set when a spare is added
or a device is failed (or a number of other less common situations).
This is suitable for -stable as out-of-data metadata could lead
to data corruption.
This is only relevant for 3.3 and later 9when 'replacement' as
introduced.
Cc: stable@vger.kernel.org
Signed-off-by: NeilBrown <neilb@suse.de>
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When a replacement device becomes active, we mark the device that it
replaces as 'faulty' so that it can subsequently get removed.
However 'calc_degraded' only pays attention to the primary device, not
the replacement, so the array appears to become degraded, which is
wrong.
So teach 'calc_degraded' to consider any replacement if a primary
device is faulty.
This is suitable for -stable as an incorrect 'degraded' value can
confuse md and could lead to data corruption.
This is only relevant for 3.3 and later.
Cc: stable@vger.kernel.org
Reported-by: Robin Hill <robin@robinhill.me.uk>
Reported-by: John Drescher <drescherjm@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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STRIPE_PREREAD_ACTIVE."
This reverts commit 895e3c5c58a80bb9e4e05d9ac38b4f30e0f97d80.
While this patch seemed like a good idea and did help some workloads,
it hurts other workloads.
Large sequential O_DIRECT writes were faster,
Small random O_DIRECT writes were slower.
Other changes (batching RAID5 writes) have improved the sequential
writes using a different mechanism, so the net result of this patch
is definitely negative. So revert it.
Reported-by: Shaohua Li <shli@kernel.org>
Tested-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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On PCI/PCI-X HW, if packet size is less than ETH_ZLEN,
packets may get corrupted during padding by HW.
To WA this issue, pad all small packets manually.
Signed-off-by: Tushar Dave <tushar.n.dave@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a check if pdev->bus->self == NULL (root bus). When attaching
a netxen NIC to a VM it can be on the root bus and the guest would
crash in netxen_mask_aer_correctable() because of a NULL pointer
dereference if CONFIG_PCIEAER is present.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A heavy-load test on a MacBookPro6,1 is still showing a substantial
amount of read errors. Increasing the maximum wait time to 128 ms
resolves the issue.
Signed-off-by: Parag Warudkar <parag.lkml@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The 'name' sysfs attribute is mandatory for hwmon devices, but was missing
in this driver.
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
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Commit d6cb3e41 "bnx2x: fix checksum validation" caused a performance
regression for IPv6. Rx checksum offload does not work. IPv6 packets
are passed to the stack with CHECKSUM_NONE.
The hardware obviously cannot perform IP checksum validation for IPv6,
because there is no checksum in the IPv6 header. This should not prevent
us from setting CHECKSUM_UNNECESSARY.
Tested on BCM57711.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock
Pull hwspinlock fix from Ohad Ben-Cohen:
"A single hwspinlock fix by Wei Yongjun, which prevents potential NULL
dereferences"
* tag 'hwspinlock-3.6-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock:
hwspinlock/core: move the dereference below the NULL test
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If a command completes with a status of CMD_PROTOCOL_ERR, this
information should be conveyed to the SCSI mid layer, not dropped
on the floor. Unlike a similar bug in the hpsa driver, this bug
only affects tape drives and CD and DVD ROM drives in the cciss
driver, and to induce it, you have to disconnect (or damage) a
cable, so it is not a very likely scenario (which would explain
why the bug has gone undetected for the last 10 years.)
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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