]> git.karo-electronics.de Git - karo-tx-linux.git/log
karo-tx-linux.git
12 years agoMerge remote-tracking branch 'md-current/for-linus'
Stephen Rothwell [Wed, 4 Apr 2012 00:36:04 +0000 (10:36 +1000)]
Merge remote-tracking branch 'md-current/for-linus'

12 years agoMerge remote-tracking branch 'input-current/for-linus'
Stephen Rothwell [Wed, 4 Apr 2012 00:36:03 +0000 (10:36 +1000)]
Merge remote-tracking branch 'input-current/for-linus'

12 years agoMerge remote-tracking branch 'net/master'
Stephen Rothwell [Wed, 4 Apr 2012 00:35:58 +0000 (10:35 +1000)]
Merge remote-tracking branch 'net/master'

12 years agoMerge remote-tracking branch 'sparc/master'
Stephen Rothwell [Wed, 4 Apr 2012 00:35:57 +0000 (10:35 +1000)]
Merge remote-tracking branch 'sparc/master'

12 years agoMerge remote-tracking branch 'arm-current/fixes'
Stephen Rothwell [Wed, 4 Apr 2012 00:35:56 +0000 (10:35 +1000)]
Merge remote-tracking branch 'arm-current/fixes'

12 years agonetfilter: nf_conntrack: fix count leak in error path of __nf_conntrack_alloc
Pablo Neira Ayuso [Tue, 3 Apr 2012 14:45:54 +0000 (16:45 +0200)]
netfilter: nf_conntrack: fix count leak in error path of __nf_conntrack_alloc

We have to decrement the conntrack counter if we fail to access the
zone extension.

Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agonetfilter: xt_CT: fix missing put timeout object in error path
Pablo Neira Ayuso [Tue, 3 Apr 2012 12:50:07 +0000 (14:50 +0200)]
netfilter: xt_CT: fix missing put timeout object in error path

The error path misses putting the timeout object. This patch adds
new function xt_ct_tg_timeout_put() to put the timeout object.

Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agonetfilter: xt_CT: allocation has to be GFP_ATOMIC under rcu_read_lock section
Pablo Neira Ayuso [Tue, 3 Apr 2012 10:32:15 +0000 (12:32 +0200)]
netfilter: xt_CT: allocation has to be GFP_ATOMIC under rcu_read_lock section

Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'master' of git://1984.lsi.us.es/net
David S. Miller [Tue, 3 Apr 2012 23:15:48 +0000 (19:15 -0400)]
Merge branch 'master' of git://1984.lsi.us.es/net

12 years agor8169: enable napi on resume.
Artem Savkov [Tue, 3 Apr 2012 10:29:11 +0000 (10:29 +0000)]
r8169: enable napi on resume.

NAPI is disabled during suspend and needs to be enabled on resume. Without
this the driver locks up during resume in rtl_reset_work() trying to disable
NAPI again.

Signed-off-by: Artem Savkov <artem.savkov@gmail.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agobnx2x: correction to firmware interface
Yuval Mintz [Tue, 3 Apr 2012 00:07:11 +0000 (00:07 +0000)]
bnx2x: correction to firmware interface

Commit 621b4d6 updated the bnx2x driver to a new FW version, but lacked
a commit to a header file with changes to the firmware's interface.
The missing interface change causes iscsi and fcoe to misbehave with the
updated firmware.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
CC: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agophy:icplus:fix Auto Power Saving in ip101a_config_init.
Srinivas Kandagatla [Mon, 2 Apr 2012 00:02:09 +0000 (00:02 +0000)]
phy:icplus:fix Auto Power Saving in ip101a_config_init.

This patch fixes Auto Power Saving configuration in ip101a_config_init
which was broken as there is no phy register write followed after
setting IP101A_APS_ON flag.

This patch also fixes the return value of ip101a_config_init.

Without this patch ip101a_config_init returns 2 which is not an error
accroding to IS_ERR and the mac driver will continue accessing 2 as
valid pointer to phy_dev resulting in memory fault.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net
David S. Miller [Tue, 3 Apr 2012 22:41:12 +0000 (18:41 -0400)]
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net

12 years agoe1000e: Guarantee descriptor writeback flush success.
Matthew Vick [Fri, 16 Mar 2012 09:03:00 +0000 (09:03 +0000)]
e1000e: Guarantee descriptor writeback flush success.

In rare circumstances, a descriptor writeback flush may not work if it
arrives on a specific clock cycle as a writeback request is going out.

Signed-off-by: Matthew Vick <matthew.vick@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
12 years agoe1000e: prevent oops when adapter is being closed and reset simultaneously
Bruce Allan [Wed, 21 Mar 2012 00:39:12 +0000 (00:39 +0000)]
e1000e: prevent oops when adapter is being closed and reset simultaneously

When the adapter is closed while it is simultaneously going through a
reset, it can cause a null-pointer dereference when the two different code
paths simultaneously cleanup up the Tx/Rx resources.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
12 years agoixgbe: driver fix for link flap
Multanen, Eric W [Wed, 28 Mar 2012 07:49:09 +0000 (07:49 +0000)]
ixgbe: driver fix for link flap

Fix up code so that changes in DCB settings
are detected only when ixgbe_dcbnl_set_all is called.
Previously, a series of 'change' commands followed by
a call to ixgbe_dcbnl_set_all() would always be handled
as a HW change - even if the net change was zero.
This patch checks for this case of no actual change and
skips going through the HW set process.

Without this fix, the link could reset and result in
a link flap.

The core change in this patch is to check for changes
in the ixgbe_copy_dcb_cfg() routine - and return
a bitmask of detected changes.  The other
places where changes were detected previously can be removed.

Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
12 years agobpf jit: Let the x86 jit handle negative offsets
Jan Seiffert [Fri, 30 Mar 2012 05:24:05 +0000 (05:24 +0000)]
bpf jit: Let the x86 jit handle negative offsets

Now the helper function from filter.c for negative offsets is exported,
it can be used it in the jit to handle negative offsets.

First modify the asm load helper functions to handle:
- know positive offsets
- know negative offsets
- any offset

then the compiler can be modified to explicitly use these helper
when appropriate.

This fixes the case of a negative X register and allows to lift
the restriction that bpf programs with negative offsets can't
be jited.

Signed-of-by: Jan Seiffert <kaffeemonster@googlemail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agobpf jit: Make the filter.c::__load_pointer helper non-static for the jits
Jan Seiffert [Fri, 30 Mar 2012 05:08:19 +0000 (05:08 +0000)]
bpf jit: Make the filter.c::__load_pointer helper non-static for the jits

The function is renamed to make it a little more clear what it does.
It is not added to any .h because it is not for general consumption, only for
bpf internal use (and so by the jits).

Signed-of-by: Jan Seiffert <kaffeemonster@googlemail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoTCP: update ip_local_port_range documentation
Fernando Luis Vazquez Cao [Tue, 3 Apr 2012 08:41:40 +0000 (08:41 +0000)]
TCP: update ip_local_port_range documentation

The explanation of ip_local_port_range in
Documentation/networking/ip-sysctl.txt contains several factual
errors:

- The default value of ip_local_port_range does not depend on the
  amount of memory available in the system.
- tcp_tw_recycle is not enabled by default.
- 1024-4999 is not the default value.
- Etc.

Clean up the mess.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agotcp: allow splice() to build full TSO packets
Eric Dumazet [Tue, 3 Apr 2012 09:37:01 +0000 (09:37 +0000)]
tcp: allow splice() to build full TSO packets

vmsplice()/splice(pipe, socket) call do_tcp_sendpages() one page at a
time, adding at most 4096 bytes to an skb. (assuming PAGE_SIZE=4096)

The call to tcp_push() at the end of do_tcp_sendpages() forces an
immediate xmit when pipe is not already filled, and tso_fragment() try
to split these skb to MSS multiples.

4096 bytes are usually split in a skb with 2 MSS, and a remaining
sub-mss skb (assuming MTU=1500)

This makes slow start suboptimal because many small frames are sent to
qdisc/driver layers instead of big ones (constrained by cwnd and packets
in flight of course)

In fact, applications using sendmsg() (adding an additional memory copy)
instead of vmsplice()/splice()/sendfile() are a bit faster because of
this anomaly, especially if serving small files in environments with
large initial [c]wnd.

Call tcp_push() only if MSG_MORE is not set in the flags parameter.

This bit is automatically provided by splice() internals but for the
last page, or on all pages if user specified SPLICE_F_MORE splice()
flag.

In some workloads, this can reduce number of sent logical packets by an
order of magnitude, making zero-copy TCP actually faster than
one-copy :)

Reported-by: Tom Herbert <therbert@google.com>
Cc: Nandita Dukkipati <nanditad@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: H.K. Jerry Chu <hkchu@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Mahesh Bandewar <maheshb@google.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail>com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoppp: Don't stop and restart queue on every TX packet
David Woodhouse [Mon, 26 Mar 2012 00:03:42 +0000 (00:03 +0000)]
ppp: Don't stop and restart queue on every TX packet

For every transmitted packet, ppp_start_xmit() will stop the netdev
queue and then, if appropriate, restart it. This causes the TX softirq
to run, entirely gratuitously.

This is "only" a waste of CPU time in the normal case, but it's actively
harmful when the PPP device is a TEQL slave — the wakeup will cause the
offending device to receive the next TX packet from the TEQL queue, when
it *should* have gone to the next slave in the list. We end up seeing
large bursts of packets on just *one* slave device, rather than using
the full available bandwidth over all slaves.

This patch fixes the problem by *not* unconditionally stopping the queue
in ppp_start_xmit(). It adds a return value from ppp_xmit_process()
which indicates whether the queue should be stopped or not.

It *doesn't* remove the call to netif_wake_queue() from
ppp_xmit_process(), because other code paths (especially from
ppp_output_wakeup()) need it there and it's messy to push it out to the
other callers to do it based on the return value. So we leave it in
place — it's a no-op in the case where the queue wasn't stopped, so it's
harmless in the TX path.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agonet: fix /proc/net/dev regression
Eric Dumazet [Mon, 2 Apr 2012 22:33:02 +0000 (22:33 +0000)]
net: fix /proc/net/dev regression

Commit f04565ddf52 (dev: use name hash for dev_seq_ops) added a second
regression, as some devices are missing from /proc/net/dev if many
devices are defined.

When seq_file buffer is filled, the last ->next/show() method is
canceled (pos value is reverted to value prior ->next() call)

Problem is after above commit, we dont restart the lookup at right
position in ->start() method.

Fix this by removing the internal 'pos' pointer added in commit, since
we need to use the 'loff_t *pos' provided by seq_file layer.

This also reverts commit 5cac98dd0 (net: Fix corruption
in /proc/*/net/dev_mcast), since its not needed anymore.

Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Mihai Maruseac <mmaruseac@ixiacom.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'drm-fixes-intel' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Tue, 3 Apr 2012 17:13:34 +0000 (10:13 -0700)]
Merge branch 'drm-fixes-intel' of git://people.freedesktop.org/~airlied/linux

Pull drm update from Dave Airlie:
 "This pull just contains a forward of the Intel fixes from Daniel.

  The only annoyance is the RC6 enable, which really should have made
  -next, but since Ubuntu are shipping it I reckon its getting a good
  testing now by the time 3.4 comes out.

  The pull from Daniel contains his pull message to me:

    "A few patches for 3.4, major part is 3 regression fixes:
     - ppgtt broke hibernate on snb/ivb.  Somehow our QA claims that it
       still works, which is why this has not been caught earlier.
     - ppgtt flails in combination with dmar.  I kinda expected this one :(
     - fence handling bugfix for gen2/3.  Iirc this one is about a year
       old, fix curtesy Chris Wilson.  I've created an shockingly simple
       i-g-t test to catch this in the future."

     Wrt regressions I've just got a report that gmbus (newly enabled
     again in 3.4) is a bit noisy.  I'm looking into this atm.

     Also included are the rc6 enable patches for snb from Eugeni.  I
     wanted to include these in the main 3.4 pull but screwed it up.
     Please hit me.  Imo these kind of patches really should go in
     before -rc1, but in thise case rc6 has brought us tons of press and
     guinea pigs^W^W testers and ubuntu is already running with it.  So
     I estimate a pretty small chance for this to blow up.

     And some smaller things:
      - two minor locking snafus
      - server gt2 ivb pciid
      - 2 patches to sanitize the register state left behind by the bios
        some more
      - 2 new quirk entries
      - cs readback trick against missed IRQs from ivb also enabled on snb
      - sprite fix from Jesse"

Let's see if the "enable RC6 on sandybridge" finally works and sticks.
I've been enabling it by hand (i915.i915_enable_rc6=1) for several
months on my Macbook Air, and it definitely makes a difference (and has
worked for me).  But every time we enabled it before it showed some odd
hw buglet for *somebody*.

This time it's all good, I'm sure.

* 'drm-fixes-intel' of git://people.freedesktop.org/~airlied/linux:
  drm/i915: treat src w & h as fixed point in sprite handling code
  drm/i915: no-lvds quirk on MSI DC500
  drm/i915: Add lock on drm_helper_resume_force_mode
  drm/i915: don't leak struct_mutex lock on ppgtt init failures
  drm/i915: disable ppgtt on snb when dmar is enabled
  drm/i915: add Ivy Bridge GT2 Server entries
  drm/i915: properly clear SSC1 bit in the pch refclock init code
  drm/i915: apply CS reg readback trick against missed IRQ on snb
  drm/i915: quirk away broken OpRegion VBT
  drm/i915: enable plain RC6 on Sandy Bridge by default
  drm/i915: allow to select rc6 modes via kernel parameter
  drm/i915: Mark untiled BLT commands as fenced on gen2/3
  drm/i915: properly restore the ppgtt page directory on resume
  drm/i915: Sanitize BIOS debugging bits from PIPECONF

12 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Tue, 3 Apr 2012 17:12:21 +0000 (10:12 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Mainly nouveau fixes, one for a regressions in -rc1, fixes for booting
  on a ppc G5, and a Kconfig fix.  Two radeon fixes, one oops, one s/r
  fix.  One udl mmap fix.  And one core drm fix to stop bad fbdev apps
  overwriting bits of ram."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: Validate requested virtual size against allocated fb size
  drm/radeon: Don't dereference possibly-NULL pointer.
  mm, drm/udl: fixup vma flags on mmap
  drm/radeon/kms: fix fans after resume
  nouveau/bios: Fix tracking of BIOS image data
  nouveau: Fix crash when pci_ram_rom() returns a size of 0
  drm/nouveau: select POWER_SUPPLY
  drm/nouveau: inform userspace of relaxed kernel subchannel requirements
  Revert "drm/nouveau: inform userspace of new kernel subchannel requirements"
  drm/nouveau: oops, create m2mf for nvd9 too

12 years agoMerge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
Linus Torvalds [Tue, 3 Apr 2012 17:12:05 +0000 (10:12 -0700)]
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze

Pull arch/microblaze fixes from Michal Simek.

* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Fix ret_from_fork declaration
  microblaze: Do not use tlb_skip in early_printk
  microblaze: Add missing headers caused by disintegration asm/system.h
  microblaze: Fix stack usage in PAGE_SIZE copy_tofrom_user
  microblaze: Fix tlb_skip variable on noMMU system
  microblaze: Fix __futex_atomic_op macro register usage

12 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux...
Linus Torvalds [Tue, 3 Apr 2012 17:07:13 +0000 (10:07 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k fixes from Geert Uytterhoeven:
 "Here are a few fixes for the m68k architecture.  Nothing fancy this
  time, just a build fix for the asm/system.h disintegration, and two
  fixes for missing platform checks (one got in during last merge
  window), which can cause crashes in multi-platform kernels."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k/q40: Add missing platform check before registering platform devices
  m68k/mac: Add missing platform check before registering platform devices
  m68k: include asm/cmpxchg.h in our m68k atomic.h

12 years agoInput: sentelic - filter taps in absolute mode
Oskari Saarenmaa [Tue, 3 Apr 2012 16:46:32 +0000 (09:46 -0700)]
Input: sentelic - filter taps in absolute mode

Taps in absolute positioning single-finger mode are currently reported
as physical clicks by the driver. This should be handled by userspace,
not the kernel.

When a tap occurs, the FSP_PB0_LBTN bit is set, but the FSP_PB0_PHY_BTN
is not. We use this to filter out physical clicks from taps.

Signed-off-by: Oskari Saarenmaa <os@ohmu.fi>
Reviewed-by: Tai-hwa Liang <avatar@sentelic.com>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
12 years agoInput: tps6507x-ts - fix MODULE_ALIAS to match driver name
Uwe Kleine-König [Tue, 3 Apr 2012 16:33:58 +0000 (09:33 -0700)]
Input: tps6507x-ts - fix MODULE_ALIAS to match driver name

This is needed to make module auto loading work.

[dtor@mail.ru: remove file name from comment]
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
12 years agoMerge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel...
Dave Airlie [Tue, 3 Apr 2012 15:00:23 +0000 (16:00 +0100)]
Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-intel-fixes

From Daniel Vetter:

"A few patches for 3.4, major part is 3 regression fixes:
- ppgtt broke hibernate on snb/ivb. Somehow our QA claims that it still
 works, which is why this has not been caught earlier.
- ppgtt flails in combination with dmar. I kinda expected this one :(
- fence handling bugfix for gen2/3. Iirc this one is about a year old, fix
 curtesy Chris Wilson. I've created an shockingly simple i-g-t test to
 catch this in the future.

Wrt regressions I've just got a report that gmbus (newly enabled again in
3.4) is a bit noisy. I'm looking into this atm.

Also included are the rc6 enable patches for snb from Eugeni. I wanted to
include these in the main 3.4 pull but screwed it up. Please hit me. Imo
these kind of patches really should go in before -rc1, but in thise case
rc6 has brought us tons of press and guinea pigs^W^W testers and ubuntu is
already running with it. So I estimate a pretty small chance for this to
blow up.

And some smaller things:
- two minor locking snafus
- server gt2 ivb pciid
- 2 patches to sanitize the register state left behind by the bios some
 more
- 2 new quirk entries
- cs readback trick against missed IRQs from ivb also enabled on snb
- sprite fix from Jesse"

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: treat src w & h as fixed point in sprite handling code
  drm/i915: no-lvds quirk on MSI DC500
  drm/i915: Add lock on drm_helper_resume_force_mode
  drm/i915: don't leak struct_mutex lock on ppgtt init failures
  drm/i915: disable ppgtt on snb when dmar is enabled
  drm/i915: add Ivy Bridge GT2 Server entries
  drm/i915: properly clear SSC1 bit in the pch refclock init code
  drm/i915: apply CS reg readback trick against missed IRQ on snb
  drm/i915: quirk away broken OpRegion VBT
  drm/i915: enable plain RC6 on Sandy Bridge by default
  drm/i915: allow to select rc6 modes via kernel parameter
  drm/i915: Mark untiled BLT commands as fenced on gen2/3
  drm/i915: properly restore the ppgtt page directory on resume
  drm/i915: Sanitize BIOS debugging bits from PIPECONF

12 years agodrm: Validate requested virtual size against allocated fb size
Chris Wilson [Mon, 26 Mar 2012 20:15:53 +0000 (21:15 +0100)]
drm: Validate requested virtual size against allocated fb size

mplayer -vo fbdev tries to create a screen that is twice as tall as the
allocated framebuffer for "doublebuffering". By default, and all in-tree
users, only sufficient memory is allocated and mapped to satisfy the
smallest framebuffer and the virtual size is no larger than the actual.
For these users, we should therefore reject any userspace request to
create a screen that requires a buffer larger than the framebuffer
originally allocated.

References: https://bugs.freedesktop.org/show_bug.cgi?id=38138
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agodrm/i915: treat src w & h as fixed point in sprite handling code
Jesse Barnes [Tue, 20 Mar 2012 17:59:09 +0000 (10:59 -0700)]
drm/i915: treat src w & h as fixed point in sprite handling code

This was missed when we converted the source values to 16.16 fixed point.

Cc: stable@vger.kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: no-lvds quirk on MSI DC500
Anisse Astier [Wed, 7 Mar 2012 17:36:35 +0000 (18:36 +0100)]
drm/i915: no-lvds quirk on MSI DC500

This hardware doesn't have an LVDS, it's a desktop box. Fix incorrect
LVDS detection.

Cc: stable@kernel.org
Signed-off-by: Anisse Astier <anisse@astier.eu>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: Add lock on drm_helper_resume_force_mode
Sean Paul [Fri, 23 Mar 2012 12:52:58 +0000 (08:52 -0400)]
drm/i915: Add lock on drm_helper_resume_force_mode

i915_drm_thaw was not locking the mode_config lock when calling
drm_helper_resume_force_mode. When there were multiple wake sources,
this caused FDI training failure on SNB which in turn corrupted the
display.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: don't leak struct_mutex lock on ppgtt init failures
Daniel Vetter [Mon, 2 Apr 2012 21:33:03 +0000 (23:33 +0200)]
drm/i915: don't leak struct_mutex lock on ppgtt init failures

Reported-by: Konstantin Belousov <kostikbel@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agonetfilter: xt_CT: remove a compile warning
Pablo Neira Ayuso [Tue, 3 Apr 2012 08:08:48 +0000 (10:08 +0200)]
netfilter: xt_CT: remove a compile warning

If CONFIG_NF_CONNTRACK_TIMEOUT=n we have following warning :

  CC [M]  net/netfilter/xt_CT.o
net/netfilter/xt_CT.c: In function ‘xt_ct_tg_check_v1’:
net/netfilter/xt_CT.c:284: warning: label ‘err4’ defined but not used

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
12 years agomd/raid1,raid10: don't compare excess byte during consistency check.
NeilBrown [Sun, 1 Apr 2012 15:39:05 +0000 (01:39 +1000)]
md/raid1,raid10: don't compare excess byte during consistency check.

When comparing two pages read from different legs of a mirror, only
compare the bytes that were read, not the whole page.

In most cases we read a whole page, but in some cases with
bad blocks or odd sizes devices we might read fewer than that.

This bug has been present "forever" but at worst it might cause
a report of two many mismatches and generate a little bit
extra resync IO, so there is no need to back-port to -stable
kernels.

Reported-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agomd/raid5: Fix a bug about judging if the operation is syncing or replacing
majianpeng [Sun, 1 Apr 2012 15:16:59 +0000 (01:16 +1000)]
md/raid5: Fix a bug about judging if the operation is syncing or replacing

When create a raid5 using assume-clean and echo check or repair to
sync_action.Then component disks did not operated IO but the raid
check/resync faster than normal.
Because the judgement in function analyse_stripe():
if (do_recovery ||
    sh->sector >= conf->mddev->recovery_cp)
s->syncing = 1;
else
s->replacing = 1;
When check or repair,the recovery_cp == MaxSectore,so syncing equal zero
not one.

This bug was introduced by commit 9a3e1101b827
    md/raid5:  detect and handle replacements during recovery.
so this patch is suitable for 3.3-stable.

Cc: stable@vger.kernel.org
Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agomd/raid1:Remove unnecessary rcu_dereference(conf->mirrors[i].rdev).
majianpeng [Sun, 1 Apr 2012 15:04:19 +0000 (01:04 +1000)]
md/raid1:Remove unnecessary rcu_dereference(conf->mirrors[i].rdev).

Because rde->nr_pending > 0,so can not remove this disk.
And in any case, we aren't holding rcu_read_lock()

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agomd: Avoid OOPS when reshaping raid1 to raid0
Jes Sorensen [Sun, 1 Apr 2012 13:48:38 +0000 (23:48 +1000)]
md: Avoid OOPS when reshaping raid1 to raid0

raid1 arrays do not have the notion of chunk size. Calculate the
largest chunk sector size we can use to avoid a divide by zero OOPS
when aligning the size of the new array to the chunk size.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agomd/raid5: fix handling of bad blocks during recovery.
NeilBrown [Sun, 1 Apr 2012 13:48:38 +0000 (23:48 +1000)]
md/raid5: fix handling of bad blocks during recovery.

1/ We can only treat a known-bad-block like a read-error if we
   have the data that belongs in that block.  So fix that test.

2/ If we cannot recovery a stripe due to insufficient data,
   don't tell "md_done_sync" that the sync failed unless we really
   did fail something.  If we successfully record bad blocks,
   that is success.

Reported-by: "majianpeng" <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agoMerge branch 'drm-prime-dmabuf-initial' of git://people.freedesktop.org/~airlied...
Linus Torvalds [Tue, 3 Apr 2012 00:58:04 +0000 (17:58 -0700)]
Merge branch 'drm-prime-dmabuf-initial' of git://people.freedesktop.org/~airlied/linux

Pull dma-buf prime support from Dave Airlie:
 "This isn't a majorly urgent thing to have, but we'd like to set the
  stage for working on dma-buf support in the drm drivers for the next
  merge window, so I'd like to push in the initial submission now so
  people have something that we can build on top of.  The code just
  introduces the user interface and internal helper functions for
  drivers to use.

  We have driver support under development for i915, nouveau, udl on x86
  and exynos, omapdrm on arm, which we would be aiming for the next
  merge window."

In the -rc1 announcement I asked for people who would use this to
comment on it, and got severa "Yes please" from people for this and for
HSI (that I merged earlier).

So far crickets on pohmelfs and the DMA-mapping infrastructure.

* 'drm-prime-dmabuf-initial' of git://people.freedesktop.org/~airlied/linux:
  drm: base prime/dma-buf support (v5)

12 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Tue, 3 Apr 2012 00:53:39 +0000 (17:53 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Provide device string properly for USB i2400m wimax devices, also
    don't OOPS when providing firmware string.  From Phil Sutter.

 2) Add support for sh_eth SH7734 chips, from Nobuhiro Iwamatsu.

 3) Add another device ID to USB zaurus driver, from Guan Xin.

 4) Loop index start in pool vector iterator is wrong causing MAC to not
    get configured in bnx2x driver, fix from Dmitry Kravkov.

 5) EQL driver assumes HZ=100, fix from Eric Dumazet.

 6) Now that skb_add_rx_frag() can specify the truesize increment
    separately, do so in f_phonet and cdc_phonet, also from Eric
    Dumazet.

 7) virtio_net accidently uses net_ratelimit() not only on the kernel
    warning but also the statistic bump, fix from Rick Jones.

 8) ip_route_input_mc() uses fixed init_net namespace, oops, use
    dev_net(dev) instead.  Fix from Benjamin LaHaise.

 9) dev_forward_skb() needs to clear the incoming interface index of the
    SKB so that it looks like a new incoming packet, also from Benjamin
    LaHaise.

10) iwlwifi mistakenly initializes a channel entry as 2GHZ instead of
    5GHZ, fix from Stanislav Yakovlev.

11) Missing kmalloc() return value checks in orinoco, from Santosh
    Nayak.

12) ath9k doesn't check for HT capabilities in the right way, it is
    checking ht_supported instead of the ATH9K_HW_CAP_HT flag.  Fix from
    Sujith Manoharan.

13) Fix x86 BPF JIT emission of 16-bit immediate field of AND
    instructions, from Feiran Zhuang.

14) Avoid infinite loop in GARP code when registering sysfs entries.
    From David Ward.

15) rose protocol uses memcpy instead of memcmp in a device address
    comparison, oops.  Fix from Daniel Borkmann.

16) Fix build of lpc_eth due to dev_hw_addr_rancom() interface being
    renamed to eth_hw_addr_random().  From Roland Stigge.

17) Make ipv6 RTM_GETROUTE interpret RTA_IIF attribute the same way
    that ipv4 does.  Fix from Shmulik Ladkani.

18) via-rhine has an inverted bit test, causing suspend/resume
    regressions.  Fix from Andreas Mohr.

19) RIONET assumes 4K page size, fix from Akinobu Mita.

20) Initialization of imask register in sky2 is buggy, because bits are
    "or'd" into an uninitialized local variable.  Fix from Lino
    Sanfilippo.

21) Fix FCOE checksum offload handling, from Yi Zou.

22) Fix VLAN processing regression in e1000, from Jiri Pirko.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits)
  sky2: dont overwrite settings for PHY Quick link
  tg3: Fix 5717 serdes powerdown problem
  net: usb: cdc_eem: fix mtu
  net: sh_eth: fix endian check for architecture independent
  usb/rtl8150 : Remove duplicated definitions
  rionet: fix page allocation order of rionet_active
  via-rhine: fix wait-bit inversion.
  ipv6: Fix RTM_GETROUTE's interpretation of RTA_IIF to be consistent with ipv4
  net: lpc_eth: Fix rename of dev_hw_addr_random
  net/netfilter/nfnetlink_acct.c: use linux/atomic.h
  rose_dev: fix memcpy-bug in rose_set_mac_address
  Fix non TBI PHY access; a bad merge undid bug fix in a previous commit.
  net/garp: avoid infinite loop if attribute already exists
  x86 bpf_jit: fix a bug in emitting the 16-bit immediate operand of AND
  bonding: emit event when bonding changes MAC
  mac80211: fix oper channel timestamp updation
  ath9k: Use HW HT capabilites properly
  MAINTAINERS: adding maintainer for ipw2x00
  net: orinoco: add error handling for failed kmalloc().
  net/wireless: ipw2x00: fix a typo in wiphy struct initilization
  ...

12 years agosky2: dont overwrite settings for PHY Quick link
Lino Sanfilippo [Fri, 30 Mar 2012 07:28:59 +0000 (07:28 +0000)]
sky2: dont overwrite settings for PHY Quick link

This patch corrects a bug in function sky2_open() of the Marvell Yukon 2 driver
in which the settings for PHY quick link are overwritten.

Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Acked-by: Stephen Hemminger <shemminger@vyattta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'paul' (Fixups from Paul Gortmaker)
Linus Torvalds [Mon, 2 Apr 2012 21:41:43 +0000 (14:41 -0700)]
Merge branch 'paul' (Fixups from Paul Gortmaker)

This merges some of the fixes from Paul Gortmaker for the header file
cleanup fallout.

Some of the patches are going through arch maintainer trees, and David
Howells suggested another be done differently, but this at least fixes a
few cases.

* emailed from Paul Gortmaker <paul.gortmaker@windriver.com>:
  asm-generic: add linux/types.h to cmpxchg.h
  firewire: restore the device.h include in linux/firewire.h
  frv: fix warnings in mb93090-mb00/pci-dma.c about implicit EXPORT_SYMBOL
  parisc: fix missing cmpxchg file error from system.h split
  blackfin: fix cmpxchg build fails from system.h fallout
  avr32: fix build failures from mis-naming of atmel_nand.h
  ARM: mach-msm: fix compile fail from system.h fallout
  irq_work: fix compile failure on MIPS from system.h split

12 years agotg3: Fix 5717 serdes powerdown problem
Matt Carlson [Mon, 2 Apr 2012 09:01:40 +0000 (09:01 +0000)]
tg3: Fix 5717 serdes powerdown problem

If port 0 of a 5717 serdes device powers down, it hides the phy from
port 1.  This patch works around the problem by keeping port 0's phy
powered up.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoasm-generic: add linux/types.h to cmpxchg.h
Paul Gortmaker [Sun, 1 Apr 2012 20:38:47 +0000 (16:38 -0400)]
asm-generic: add linux/types.h to cmpxchg.h

Builds of the openrisc or1ksim_defconfig show the following:

  In file included from arch/openrisc/include/generated/asm/cmpxchg.h:1:0,
                   from include/asm-generic/atomic.h:18,
                   from arch/openrisc/include/generated/asm/atomic.h:1,
                   from include/linux/atomic.h:4,
                   from include/linux/dcache.h:4,
                   from fs/notify/fsnotify.c:19:
  include/asm-generic/cmpxchg.h: In function '__xchg':
  include/asm-generic/cmpxchg.h:34:20: error: expected ')' before 'u8'
  include/asm-generic/cmpxchg.h:34:20: warning: type defaults to 'int' in type name

and many more lines of similar errors.  It seems specific to the or32
because most other platforms have an arch specific component that would
have already included types.h ahead of time, but the o32 does not.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jonas Bonn <jonas@southpole.se>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: David Howells <dhowells@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agofirewire: restore the device.h include in linux/firewire.h
Paul Gortmaker [Sun, 1 Apr 2012 20:38:45 +0000 (16:38 -0400)]
firewire: restore the device.h include in linux/firewire.h

Commit 313162d0b838 ("device.h: audit and cleanup users in main include
dir") exchanged an include <linux/device.h> for a struct *device but in
actuality I misread this file when creating 313162d and it should have
remained an include.

There were no build regressions since all consumers were already getting
device.h anyway, but make it right regardless.

Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agofrv: fix warnings in mb93090-mb00/pci-dma.c about implicit EXPORT_SYMBOL
Paul Gortmaker [Sun, 1 Apr 2012 20:38:44 +0000 (16:38 -0400)]
frv: fix warnings in mb93090-mb00/pci-dma.c about implicit EXPORT_SYMBOL

To fix:

    arch/frv/mb93090-mb00/pci-dma.c:31:1: warning: data definition has no type or storage class [enabled by default]
    arch/frv/mb93090-mb00/pci-dma.c:31:1: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL' [-Wimplicit-int]
    arch/frv/mb93090-mb00/pci-dma.c:31:1: warning: parameter names (without types) in function declaration [enabled by default]
    arch/frv/mb93090-mb00/pci-dma.c:38:1: warning: data definition has no type or storage class [enabled by default]

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoparisc: fix missing cmpxchg file error from system.h split
Paul Gortmaker [Sun, 1 Apr 2012 20:38:42 +0000 (16:38 -0400)]
parisc: fix missing cmpxchg file error from system.h split

Commit b4816afa3986 ("Move the asm-generic/system.h xchg()
implementation to asm-generic/cmpxchg.h") introduced the concept of
asm/cmpxchg.h but the parisc arch never got one.  Fork the cmpxchg
content out of the asm/atomic.h file to create one.

Some minor whitespace fixups were done on the block of code that created
the new file.

Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoblackfin: fix cmpxchg build fails from system.h fallout
Paul Gortmaker [Sun, 1 Apr 2012 20:38:41 +0000 (16:38 -0400)]
blackfin: fix cmpxchg build fails from system.h fallout

Commit 3bed8d67469c ("Disintegrate asm/system.h for Blackfin [ver #2]")
introduced arch/blackfin/include/asm/cmpxchg.h but has it also including
the asm-generic one which causes this:

  CC      arch/blackfin/kernel/asm-offsets.s
  In file included from arch/blackfin/include/asm/cmpxchg.h:125:0,
                 from arch/blackfin/include/asm/atomic.h:10,
                 from include/linux/atomic.h:4,
                 from include/linux/spinlock.h:384,
                 from include/linux/seqlock.h:29,
                 from include/linux/time.h:8,
                 from include/linux/timex.h:56,
                 from include/linux/sched.h:57,
                 from arch/blackfin/kernel/asm-offsets.c:10:
  include/asm-generic/cmpxchg.h:24:15: error: redefinition of '__xchg'
  arch/blackfin/include/asm/cmpxchg.h:82:29: note: previous definition of '__xchg' was here
  make[2]: *** [arch/blackfin/kernel/asm-offsets.s] Error 1

It really only needs two simple defines from asm-generic, so just use
those instead.

Cc: Bob Liu <lliubbo@gmail.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoavr32: fix build failures from mis-naming of atmel_nand.h
Paul Gortmaker [Sun, 1 Apr 2012 20:38:40 +0000 (16:38 -0400)]
avr32: fix build failures from mis-naming of atmel_nand.h

Commit bf4289cba02b ("ATMEL: fix nand ecc support") indicated that it
wanted to "Move platform data to a common header
include/linux/platform_data/atmel_nand.h" and the new header even had
re-include protectors with:

    #ifndef __ATMEL_NAND_H__

However, the file that was added was simply called atmel.h
and this caused avr32 defconfig to fail with:

  In file included from arch/avr32/boards/atstk1000/setup.c:22:
  arch/avr32/mach-at32ap/include/mach/board.h:10:44: error: linux/platform_data/atmel_nand.h: No such file or directory
  In file included from arch/avr32/boards/atstk1000/setup.c:22:
  arch/avr32/mach-at32ap/include/mach/board.h:121: warning: 'struct atmel_nand_data' declared inside parameter list
  arch/avr32/mach-at32ap/include/mach/board.h:121: warning: its scope is only this definition or declaration, which is probably not what you want
  make[2]: *** [arch/avr32/boards/atstk1000/setup.o] Error 1

It seems the scope of the file contents will expand beyond
just nand, so ignore the original intention, and fix up the
users who reference the bad name with the _nand suffix.

CC: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
CC: David Woodhouse <dwmw2@infradead.org>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoARM: mach-msm: fix compile fail from system.h fallout
Paul Gortmaker [Sun, 1 Apr 2012 20:38:38 +0000 (16:38 -0400)]
ARM: mach-msm: fix compile fail from system.h fallout

To fix:

  In file included from arm/boot/compressed/misc.c:28:0:
  arm/mach-msm/include/mach/uncompress.h: In function 'putc':
  arch/arm/mach-msm/include/mach/uncompress.h:48:3: error: implicit
  declaration of function 'smp_mb' [-Werror=implicit-function-declaration]

The putc does a cpu_relax which for this platform is smp_mb.

Bisect indicates the 1st failing commit as: 0195c00244dc ("Merge tag
'split-asm_system_h...")

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agoMerge branch 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi
Linus Torvalds [Mon, 2 Apr 2012 16:50:40 +0000 (09:50 -0700)]
Merge branch 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi

Pull HSI (High Speed Synchronous Serial Interface) framework from Carlos Chinea:
 "The High Speed Synchronous Serial Interface (HSI) is a serial
  interface mainly used for connecting application engines (APE) with
  cellular modem engines (CMT) in cellular handsets.

  The framework is currently being used for some people and we would
  like to see it integrated into the kernel for 3.3.  There is no HW
  controller drivers in this pull, but some people have already some of
  them pending which they would like to push as soon as this integrated.
  I am also working on the acceptance for an TI OMAP one, based on a
  compatible legacy version of the interface called SSI."

Ok, so it didn't get into 3.3, but here it is pulled into 3.4.

Several people piped up to say "yeah, we want this".

* 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi:
  HSI: hsi_char: Update ioctl-number.txt
  HSI: Add HSI API documentation
  HSI: hsi_char: Add HSI char device kernel configuration
  HSI: hsi_char: Add HSI char device driver
  HSI: hsi: Introducing HSI framework

12 years agoMerge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Linus Torvalds [Mon, 2 Apr 2012 16:42:55 +0000 (09:42 -0700)]
Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

Pull 'make cscope' fix from Michal Marek:
 "The kbuild.git#misc pull request introduced a bug that broke make
  cscope.  Apparently, both the original author and me only tested the
  use case that the commit was supposed to improve (make tags/TAGS), and
  not the use case that was not supposed (make cscope)."

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  tags.sh: Add missing quotes

12 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Linus Torvalds [Mon, 2 Apr 2012 16:40:24 +0000 (09:40 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto fixes from Herbert Xu:
 - Fix for CPU hotplug hang in padata.
 - Avoid using cpu_active inappropriately in pcrypt and padata.
 - Fix for user-space algorithm lookup hang with IV generators.
 - Fix for netlink dump of algorithms where stuff went missing due to
   incorrect calculation of message size.

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: user - Fix size of netlink dump message
  crypto: user - Fix lookup of algorithms with IV generator
  crypto: pcrypt - Use the online cpumask as the default
  padata: Fix cpu hotplug
  padata: Use the online cpumask as the default
  padata: Add a reference to the api documentation

12 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Mon, 2 Apr 2012 16:38:51 +0000 (09:38 -0700)]
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

Pull powerpc fixes from Benjamin Herrenschmidt:
 "This contains a couple more fixes for the system.h disintegration, a
  trivial section mismatch fix, a couple of patches from akpm that I
  didn't quite get he expected me to pickup, and a few more trivialities
  form Kumar that he appear to have forgotten to send me in the previous
  batch."

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/eeh: Fix use of set_current_state() in eeh event handling set_current_state() wart
  powerpc/eeh: Remove eeh_event_handler()->daemonize()
  powerpc/kvm: Fallout from system.h disintegration
  powerpc: Fix fallout from system.h split up
  powerpc: Mark const init data with __initconst instead of __initdata
  powerpc/qe: Update the SNUM table for MPC8569 Rev2.0
  powerpc/dts: Removed fsl,msi property from dts.
  powerpc/epapr: add "memory" as a clobber to all hypercalls
  powerpc/85xx: Enable I2C_CHARDEV and I2C_MPC options in defconfigs
  powerpc/85xx: add the P1020UTM-PC DTS support
  powerpc/85xx: add the P1020MBG-PC DTS support
  powerpc/8xxx: remove 85xx/86xx restrictions from fsl_guts.h

12 years agoMerge tag 'for-linus' of git://github.com/rustyrussell/linux
Linus Torvalds [Mon, 2 Apr 2012 15:53:24 +0000 (08:53 -0700)]
Merge tag 'for-linus' of git://github.com/rustyrussell/linux

Pull cpumask cleanups from Rusty Russell:
 "(Somehow forgot to send this out; it's been sitting in linux-next, and
  if you don't want it, it can sit there another cycle)"

I'm a sucker for things that actually delete lines of code.

Fix up trivial conflict in arch/arm/kernel/kprobes.c, where Rusty fixed
a user of &cpu_online_map to be cpu_online_mask, but that code got
deleted by commit b21d55e98ac2 ("ARM: 7332/1: extract out code patch
function from kprobes").

* tag 'for-linus' of git://github.com/rustyrussell/linux:
  cpumask: remove old cpu_*_map.
  documentation: remove references to cpu_*_map.
  drivers/cpufreq/db8500-cpufreq: remove references to cpu_*_map.
  remove references to cpu_*_map in arch/

12 years agoirq_work: fix compile failure on MIPS from system.h split
Paul Gortmaker [Sun, 1 Apr 2012 20:38:37 +0000 (16:38 -0400)]
irq_work: fix compile failure on MIPS from system.h split

Builds of the MIPS platform ip32_defconfig fails as of commit
0195c00244dc ("Merge tag 'split-asm_system_h ...") because MIPS xchg()
macro uses BUILD_BUG_ON and it was moved in commit b81947c646bf
("Disintegrate asm/system.h for MIPS").

The root cause is that the system.h split wasn't tested on a baseline
with commit 6c03438edeb5 ("kernel.h: doesn't explicitly use bug.h, so
don't include it.")

Since this file uses BUG code in several other places besides the xchg
call, simply make the inclusion explicit.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
12 years agodrm/i915: disable ppgtt on snb when dmar is enabled
Daniel Vetter [Mon, 2 Apr 2012 08:08:35 +0000 (10:08 +0200)]
drm/i915: disable ppgtt on snb when dmar is enabled

Totally unexpected that this regressed. Luckily it sounds like we just
need to have dmar disable on the igfx, not the entire system. At least
that's what a few days of testing between Tony Vroon and me indicates.

Reported-by: Tony Vroon <tony@linx.net>
Cc: Tony Vroon <tony@linx.net>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43024
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: add Ivy Bridge GT2 Server entries
Eugeni Dodonov [Thu, 29 Mar 2012 23:55:48 +0000 (20:55 -0300)]
drm/i915: add Ivy Bridge GT2 Server entries

This adds PCI ID for IVB GT2 server variant which we were missing.

Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
[danvet: fix up conflict because the patch has been diffed against next. tsk.]
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agomicroblaze: Fix ret_from_fork declaration
Michal Simek [Mon, 2 Apr 2012 10:55:47 +0000 (12:55 +0200)]
microblaze: Fix ret_from_fork declaration

ret_from_fork is used by noMMU system too.

It should be the part of patch
"Disintegrate asm/system.h for Microblaze"
(sha1: c40d04df152a1111c5bbcb632278394dabd2b73d)

Signed-off-by: Michal Simek <monstr@monstr.eu>
12 years agomicroblaze: Do not use tlb_skip in early_printk
Michal Simek [Mon, 2 Apr 2012 10:50:54 +0000 (12:50 +0200)]
microblaze: Do not use tlb_skip in early_printk

tlb_skip is valid only for MMU system.

Signed-off-by: Michal Simek <monstr@monstr.eu>
12 years agodrm/radeon: Don't dereference possibly-NULL pointer.
Michel Dänzer [Thu, 29 Mar 2012 14:47:43 +0000 (16:47 +0200)]
drm/radeon: Don't dereference possibly-NULL pointer.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agomm, drm/udl: fixup vma flags on mmap
Konstantin Khlebnikov [Sat, 31 Mar 2012 09:29:25 +0000 (13:29 +0400)]
mm, drm/udl: fixup vma flags on mmap

There should be VM_MIXEDMAP, not VM_PFNMAP, because udl_gem_fault() inserts
pages via vm_insert_page(). Other drm/gem drivers already do this.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Dave Airlie <airlied@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agodrm/radeon/kms: fix fans after resume
Alex Deucher [Thu, 29 Mar 2012 23:04:08 +0000 (19:04 -0400)]
drm/radeon/kms: fix fans after resume

On pre-R600 asics, the SpeedFanControl table is not
executed as part of ASIC_Init as it is on newer asics.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=29412

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agonouveau/bios: Fix tracking of BIOS image data
Benjamin Herrenschmidt [Mon, 2 Apr 2012 03:38:19 +0000 (13:38 +1000)]
nouveau/bios: Fix tracking of BIOS image data

The code tries various methods for retreiving the BIOS data. However
it doesn't clear the bios->data pointer between the iterations.

In some cases, the shadow() method will fail and not update bios->data
at all, which will cause us to "score" the old data and incorrectly
attribute that score to the new method. This can cause double frees
later when disposing of the unused data.

Additionally, we were not freeing the data for methods that fail the
score test (we only freed when a "best" is superseeded, not when the
new method has a lower score than the exising "best"). Fix that as well.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agonouveau: Fix crash when pci_ram_rom() returns a size of 0
Benjamin Herrenschmidt [Mon, 2 Apr 2012 03:37:13 +0000 (13:37 +1000)]
nouveau: Fix crash when pci_ram_rom() returns a size of 0

From b15b244d6e6e20964bd4b85306722cb60c3c0809 Mon Sep 17 00:00:00 2001
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Mon, 2 Apr 2012 13:28:18 +1000
Subject:

Under some circumstances, pci_map_rom() can return a valid mapping
but a size of 0 (if it cannot find an image in the header).

This causes nouveau to try to kmalloc() a 0 sized pointer and
dereference it, which crashes.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agodrm/nouveau: select POWER_SUPPLY
Dave Airlie [Mon, 2 Apr 2012 09:45:49 +0000 (10:45 +0100)]
drm/nouveau: select POWER_SUPPLY

Ben H. reported that building nouveau into the kernel and power supply
as a module was broken.

Just have nouveau select it, like radeon does.

Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
12 years agoMerge branch 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2...
Dave Airlie [Mon, 2 Apr 2012 09:45:03 +0000 (10:45 +0100)]
Merge branch 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes

* 'drm-nouveau-fixes' of git://git.freedesktop.org/git/nouveau/linux-2.6:
  drm/nouveau: inform userspace of relaxed kernel subchannel requirements
  Revert "drm/nouveau: inform userspace of new kernel subchannel requirements"
  drm/nouveau: oops, create m2mf for nvd9 too

12 years agoSubject: [PATCH] tags.sh: Add missing quotes
Stephen Boyd [Sun, 1 Apr 2012 06:41:07 +0000 (23:41 -0700)]
Subject: [PATCH] tags.sh: Add missing quotes

When $remove_structs is empty a test for empty string will turn
into test -n with no arguments meaning true. Add quotes so an
empty string is tested and so that make cscope works again.

Reported-and-tested-by: Jike Song <albcamus@gmail.com>
Reported-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Yang Bai <hamo.by@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
12 years agopowerpc/eeh: Fix use of set_current_state() in eeh event handling set_current_state...
Andrew Morton [Wed, 28 Mar 2012 12:20:58 +0000 (12:20 +0000)]
powerpc/eeh: Fix use of set_current_state() in eeh event handling set_current_state() wart

That set_current_state() won't work very well: the subsequent mutex_lock()
might flip the task back into TASK_RUNNING.

Attempt to put it somewhere where it might have been meant to be, and
attempt to describe why it might have been added.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
12 years agopowerpc/eeh: Remove eeh_event_handler()->daemonize()
Oleg Nesterov [Wed, 28 Mar 2012 12:20:57 +0000 (12:20 +0000)]
powerpc/eeh: Remove eeh_event_handler()->daemonize()

daemonize() is only needed when a user-space task does kernel_thread().

eeh_event_handler() thread is created by the worker kthread, and thus it
doesn't need the soon-to-be-deprecated daemonize().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Linas Vepstas <linasvepstas@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
12 years agopowerpc/kvm: Fallout from system.h disintegration
Benjamin Herrenschmidt [Sun, 1 Apr 2012 17:35:53 +0000 (17:35 +0000)]
powerpc/kvm: Fallout from system.h disintegration

Add a missing include to fix build

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
12 years agopowerpc: Fix fallout from system.h split up
Stephen Rothwell [Fri, 30 Mar 2012 14:01:07 +0000 (14:01 +0000)]
powerpc: Fix fallout from system.h split up

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
12 years agopowerpc: Mark const init data with __initconst instead of __initdata
Uwe Kleine-König [Fri, 30 Mar 2012 10:05:00 +0000 (10:05 +0000)]
powerpc: Mark const init data with __initconst instead of __initdata

As long as there is no other non-const variable marked __initdata in the
same compilation unit it doesn't hurt. If there were one however
compilation would fail with

error: $variablename causes a section type conflict

because a section containing const variables is marked read only and so
cannot contain non-const variables.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: cbe-oss-dev@lists.ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
12 years agoMerge remote-tracking branch 'kumar/next' into merge
Benjamin Herrenschmidt [Mon, 2 Apr 2012 03:57:46 +0000 (13:57 +1000)]
Merge remote-tracking branch 'kumar/next' into merge

12 years agonet: usb: cdc_eem: fix mtu
Rabin Vincent [Thu, 29 Mar 2012 07:15:15 +0000 (07:15 +0000)]
net: usb: cdc_eem: fix mtu

Make CDC EEM recalculate the hard_mtu after adjusting the
hard_header_len.

Without this, usbnet adjusts the MTU down to 1494 bytes, and the host is
unable to receive standard 1500-byte frames from the device.

Tested with the Linux USB Ethernet gadget.

Cc: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agonet: sh_eth: fix endian check for architecture independent
Yoshihiro Shimoda [Thu, 29 Mar 2012 19:32:08 +0000 (19:32 +0000)]
net: sh_eth: fix endian check for architecture independent

SuperH has the "CONFIG_CPU_LITTLE_ENDIAN" and the "__LITTLE_ENDIAN__".
But, other architecture doesn't have them. So, this patch fixes it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agousb/rtl8150 : Remove duplicated definitions
huajun li [Fri, 30 Mar 2012 00:11:05 +0000 (00:11 +0000)]
usb/rtl8150 : Remove duplicated definitions

There exist duplicated macro definitions in rtl8150.c, remove them.

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agorionet: fix page allocation order of rionet_active
Akinobu Mita [Fri, 30 Mar 2012 01:01:46 +0000 (01:01 +0000)]
rionet: fix page allocation order of rionet_active

rionet_active is allocated from the page allocator and the allocation
order is calculated on the assumption that the page size is 4KB, so it
wastes memory on more than 4K page systems.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agovia-rhine: fix wait-bit inversion.
Andreas Mohr [Sun, 1 Apr 2012 12:35:00 +0000 (12:35 +0000)]
via-rhine: fix wait-bit inversion.

Bug appeared in a384a33bb1c9ec2d99db2046b41f57023fa7d77b
("via-rhine: RHINE_WAIT_FOR macro removal). It can be noticed
during suspend/resume.

Signed-off-by: Andreas Mohr <andi@lisas.de>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: David Lv <DavidLv@viatech.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agomd/raid1: If md_integrity_register() failed,run() must free the mem
majianpeng [Sun, 1 Apr 2012 23:48:38 +0000 (09:48 +1000)]
md/raid1: If md_integrity_register() failed,run() must free the mem

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agomd/raid0: If md_integrity_register() fails, raid0_run() must free the mem.
majianpeng [Sun, 1 Apr 2012 23:48:37 +0000 (09:48 +1000)]
md/raid0: If md_integrity_register() fails, raid0_run() must free the mem.

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agomd/linear: If md_integrity_register() fails, linear_run() must free the mem.
majianpeng [Sun, 1 Apr 2012 23:48:37 +0000 (09:48 +1000)]
md/linear: If md_integrity_register() fails, linear_run() must free the mem.

Signed-off-by: majianpeng <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
12 years agoipv6: Fix RTM_GETROUTE's interpretation of RTA_IIF to be consistent with ipv4
Shmulik Ladkani [Sun, 1 Apr 2012 04:03:45 +0000 (04:03 +0000)]
ipv6: Fix RTM_GETROUTE's interpretation of RTA_IIF to be consistent with ipv4

In IPv4, if an RTA_IIF attribute is specified within an RTM_GETROUTE
message, then a route is searched as if a packet was received on the
specified 'iif' interface.

However in IPv6, RTA_IIF is not interpreted in the same way:
'inet6_rtm_getroute()' always calls 'ip6_route_output()', regardless the
RTA_IIF attribute.

As a result, in IPv6 there's no way to use RTM_GETROUTE in order to look
for a route as if a packet was received on a specific interface.

Fix 'inet6_rtm_getroute()' so that RTA_IIF is interpreted as "lookup a
route as if a packet was received on the specified interface", similar
to IPv4's 'inet_rtm_getroute()' interpretation.

Reported-by: Ami Koren <amikoren@yahoo.com>
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agosparc: pgtable_64: change include order
Aaro Koskinen [Sun, 1 Apr 2012 08:54:38 +0000 (08:54 +0000)]
sparc: pgtable_64: change include order

Fix the following build breakage in v3.4-rc1:

  CC      arch/sparc/kernel/cpu.o
In file included from /home/aaro/git/linux/arch/sparc/include/asm/pgtable_64.h:15:0,
                 from /home/aaro/git/linux/arch/sparc/include/asm/pgtable.h:4,
                 from arch/sparc/kernel/cpu.c:15:
include/asm-generic/pgtable-nopud.h:13:16: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:25:28: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:26:27: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:27:31: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:28:30: error: unknown type name 'pgd_t'
include/asm-generic/pgtable-nopud.h:38:34: error: unknown type name 'pgd_t'
In file included from /home/aaro/git/linux/arch/sparc/include/asm/pgtable_64.h:783:0,
                 from /home/aaro/git/linux/arch/sparc/include/asm/pgtable.h:4,
                 from arch/sparc/kernel/cpu.c:15:
include/asm-generic/pgtable.h: In function 'pgd_none_or_clear_bad':
include/asm-generic/pgtable.h:258:2: error: implicit declaration of function 'pgd_none' [-Werror=implicit-function-declaration]
include/asm-generic/pgtable.h:260:2: error: implicit declaration of function 'pgd_bad' [-Werror=implicit-function-declaration]
include/asm-generic/pgtable.h: In function 'pud_none_or_clear_bad':
include/asm-generic/pgtable.h:269:6: error: request for member 'pgd' in something not a structure or union

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agom68k/q40: Add missing platform check before registering platform devices
Geert Uytterhoeven [Sun, 18 Mar 2012 12:20:27 +0000 (13:20 +0100)]
m68k/q40: Add missing platform check before registering platform devices

On multi-platform kernels, the Q40/Q60 platform devices should be
registered when running on Q40/Q60 only. Else it may crash later.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
12 years agom68k/mac: Add missing platform check before registering platform devices
Geert Uytterhoeven [Sun, 18 Mar 2012 12:21:38 +0000 (13:21 +0100)]
m68k/mac: Add missing platform check before registering platform devices

On multi-platform kernels, the Mac platform devices should be registered
when running on Mac only. Else it may crash later.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
12 years agom68k: include asm/cmpxchg.h in our m68k atomic.h
Greg Ungerer [Fri, 30 Mar 2012 05:52:09 +0000 (15:52 +1000)]
m68k: include asm/cmpxchg.h in our m68k atomic.h

After commit 9ffc93f203c18a70623f21950f1dd473c9ec48cd ("Remove all

  CC      init/main.o
In file included from include/linux/mm.h:15:0,
                 from include/linux/ring_buffer.h:5,
                 from include/linux/ftrace_event.h:4,
                 from include/trace/syscall.h:6,
                 from include/linux/syscalls.h:78,
                 from init/main.c:16:
include/linux/debug_locks.h: In function ‘__debug_locks_off’:
include/linux/debug_locks.h:16:2: error: implicit declaration of function ‘xchg’

There is no indirect inclusions of the new asm/cmpxchg.h for m68k here.
Looking at most other architectures they include asm/cmpxchg.h in their
asm/atomic.h. M68k currently does not do this. Including this in atomic.h
fixes all m68k build problems.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
12 years agonet: lpc_eth: Fix rename of dev_hw_addr_random
stigge@antcom.de [Wed, 28 Mar 2012 12:36:26 +0000 (12:36 +0000)]
net: lpc_eth: Fix rename of dev_hw_addr_random

In parallel to the integration of lpc_eth.c, dev_hw_addr_random() has been
renamed to eth_hw_addr_random(). This patch fixes it also in the new driver
lpc_eth.c.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agonet/netfilter/nfnetlink_acct.c: use linux/atomic.h
Andrew Morton [Wed, 28 Mar 2012 12:10:57 +0000 (12:10 +0000)]
net/netfilter/nfnetlink_acct.c: use linux/atomic.h

There's no known problem here, but this is one of only two non-arch files
in the kernel which use asm/atomic.h instead of linux/atomic.h.

Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agorose_dev: fix memcpy-bug in rose_set_mac_address
danborkmann@iogearbox.net [Tue, 27 Mar 2012 22:47:43 +0000 (22:47 +0000)]
rose_dev: fix memcpy-bug in rose_set_mac_address

If both addresses equal, nothing needs to be done. If the device is down,
then we simply copy the new address to dev->dev_addr. If the device is up,
then we add another loopback device with the new address, and if that does
not fail, we remove the loopback device with the old address. And only
then, we update the dev->dev_addr.

Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoFix non TBI PHY access; a bad merge undid bug fix in a previous commit.
Kenth Eriksson [Tue, 27 Mar 2012 22:05:54 +0000 (22:05 +0000)]
Fix non TBI PHY access; a bad merge undid bug fix in a previous commit.

The merge done in commit b26e478f undid bug fix in commit c3e072f8
("net: fsl_pq_mdio: fix non tbi phy access"), with the result that non
TBI (e.g. MDIO) PHYs cannot be accessed.

Signed-off-by: Kenth Eriksson <kenth.eriksson@transmode.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agonet/garp: avoid infinite loop if attribute already exists
David Ward [Tue, 27 Mar 2012 09:01:52 +0000 (09:01 +0000)]
net/garp: avoid infinite loop if attribute already exists

An infinite loop occurred if garp_attr_create was called with the values
of an existing attribute. This might happen if a previous leave request
for the attribute has not yet been followed by a PDU transmission (or,
if the application previously issued a join request for the attribute
and is now issuing another one, without having issued a leave request).

If garp_attr_create finds an existing attribute having the same values,
return the address to it. Its state will then get updated (i.e., if it
was in a leaving state, it will move into a non-leaving state and not
get deleted during the next PDU transmission).

To accomplish this fix, collapse garp_attr_insert into garp_attr_create
(which is its only caller).

Thanks to Jorge Boncompte [DTI2] <jorge@dti2.net> for contributing to
this fix.

Signed-off-by: David Ward <david.ward@ll.mit.edu>
Acked-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
12 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
David S. Miller [Sun, 1 Apr 2012 20:47:08 +0000 (16:47 -0400)]
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

12 years agodrm/i915: properly clear SSC1 bit in the pch refclock init code
Daniel Vetter [Fri, 30 Mar 2012 20:14:05 +0000 (22:14 +0200)]
drm/i915: properly clear SSC1 bit in the pch refclock init code

Noticed by staring at intel_reg_dumper diffs. Unfortunately it does
not seem to completely fix the bug.

Still, it's good to get this right, and maybe it helps someplace else.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=47117
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: apply CS reg readback trick against missed IRQ on snb
Daniel Vetter [Tue, 27 Mar 2012 07:31:24 +0000 (09:31 +0200)]
drm/i915: apply CS reg readback trick against missed IRQ on snb

Ben Widawsky reported missed IRQ issues and this patch here helps.

We have one other missed IRQ report still left on snb, reported by QA:

https://bugs.freedesktop.org/show_bug.cgi?id=46145

This is _not_ a regression due to the forcewake voodoo though, it
started showing up before that was applied and has been on-and-off for
the past few weeks. According to QA this patch does not help. But the
missed IRQ is always from the blt ring (despite running piglit, so
also render activity expected), so I'm hopefully that this is an issue
with the blt ring itself.

Tested-by: Ben Widawsky <ben@bwidawsk.net>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: quirk away broken OpRegion VBT
Daniel Vetter [Sat, 24 Mar 2012 22:51:30 +0000 (23:51 +0100)]
drm/i915: quirk away broken OpRegion VBT

Somehow the BIOS manages to screw things up when copying the VBT
around, because the one we scrap from the VBIOS rom actually works.

Cc: stable@kernel.org
Tested-by: Markus Heinz <markus.heinz@uni-dortmund.de>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=28812
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: enable plain RC6 on Sandy Bridge by default
Eugeni Dodonov [Fri, 23 Mar 2012 14:57:19 +0000 (11:57 -0300)]
drm/i915: enable plain RC6 on Sandy Bridge by default

This is yet another chapter in the ongoing saga of bringing RC6 to Sandy
Bridge machines by default.

Now that we have discovered that RC6 issues are triggered by RC6+ state,
let's try to disable it by default. Plain RC6 is the one responsible for
most energy savings, and so far it haven't given any problems - at least,
none we are aware of.

So with this, when i915_enable_rc6=-1 (e.g., the default value), we'll
attempt to enable plain RC6 only on SNB. For Ivy Bridge, the behavior
stays the same as always - we enable both RC6 and deep RC6.

Note that while this exact patch does not has explicit tested-by's, the
equivalent settings were fixed in 3.3 kernel by a smaller patch. And it
has also received considerable testing through Canonical RC6 task-force
testing at https://wiki.ubuntu.com/Kernel/PowerManagementRC6. Up to date,
it looks like all the known issues are gone.

v2: improve description and reference a couple of open bugs related to
RC6 which seem to be fixed with this change.

References: https://bugs.freedesktop.org/show_bug.cgi?id=41682
References: https://bugs.freedesktop.org/show_bug.cgi?id=38567
References: https://bugs.freedesktop.org/show_bug.cgi?id=44867
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
12 years agodrm/i915: allow to select rc6 modes via kernel parameter
Eugeni Dodonov [Fri, 23 Mar 2012 14:57:18 +0000 (11:57 -0300)]
drm/i915: allow to select rc6 modes via kernel parameter

This allows to select which rc6 modes are to be used via kernel parameter,
via a bitmask parameter. E.g.:

- to enable rc6, i915_enable_rc6=1
- to enable rc6 and deep rc6, i915_enable_rc6=3
- to enable rc6 and deepest rc6, use i915_enable_rc6=5
- to enable rc6, deep and deepest rc6, use i915_enable_rc6=7

Please keep in mind that the deepest RC6 state really should NOT be used
by default, as it could potentially worsen the issues with deep RC6. So do
enable it only when you know what you are doing. However, having it around
could help solving possible future rc6-related issues and their debugging
on user machines.

Note that this changes behavior - previously, value of 1 would enable both
RC6 and deep RC6. Now it should only enable RC6 and deep/deepest RC6
stages must be enabled manually.

v2: address Chris Wilson comments and clean up the code.

References: https://bugs.freedesktop.org/show_bug.cgi?id=42579
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ben Widawsky <benjamin.widawsky@intel.com>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>