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13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Fri, 12 Aug 2011 13:43:53 +0000 (06:43 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
  e1000e: increase driver version number
  e1000e: alternate MAC address update
  e1000e: do not disable receiver on 82574/82583
  e1000e: alternate MAC address does not work on device id 0x1060
  PCnet: Fix section mismatch
  bnx2x: disable dcb on 578xx since not supported yet
  bnx2x: properly clean indirect addresses
  bnx2x: prevent race between undi_unload and load flows
  bnx2x: fix select_queue when FCoE is disabled
  bnx2x: init FCOE FP only once
  ipv4: some rt_iif -> rt_route_iif conversions
  net/bridge/netfilter/ebtables.c: use available error handling code
  net/netlabel/netlabel_kapi.c: add missing cleanup code
  net/irda: sh_sir: tidyup compile warning
  net/irda: sh_sir: add missing header
  net/irda: sh_irda: add missing header
  slcan: ldisc generated skbs are received in softirq context
  scm: Capture the full credentials of the scm sender
  tcp: initialize variable ecn_ok in syncookies path
  drivers/net/wireless/wl1251: add missing kfree
  ...

13 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Linus Torvalds [Fri, 12 Aug 2011 07:35:46 +0000 (00:35 -0700)]
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Don't do hypervisor calls on non-sun4v in DS driver.

13 years agoMerge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville...
David S. Miller [Fri, 12 Aug 2011 06:09:46 +0000 (23:09 -0700)]
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

13 years agosparc: Don't do hypervisor calls on non-sun4v in DS driver.
David S. Miller [Fri, 12 Aug 2011 00:58:59 +0000 (17:58 -0700)]
sparc: Don't do hypervisor calls on non-sun4v in DS driver.

Reported-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agopnfs: Automatically select blocks & objects layouts
Boaz Harrosh [Thu, 11 Aug 2011 21:29:25 +0000 (14:29 -0700)]
pnfs: Automatically select blocks & objects layouts

Just like files-layout, blocks & objects layouts are part of the
NFS 4.1 protocol and should be automatically selected if NFS_4_1
is selected. The small problem is that these depend on other
Kernel support being present, while files only depends on NFS
itself.

This patch removes from the user choice the presence of objects
and blocks layout. But makes sure these are selected only if
the depended subsystems are present in the Kernel.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Peng Tao <peng_tao@emc.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoext4: Properly count journal credits for long symlinks
Eric Sandeen [Thu, 11 Aug 2011 14:54:31 +0000 (09:54 -0500)]
ext4: Properly count journal credits for long symlinks

Commit df5e6223407e ("ext4: fix deadlock in ext4_symlink() in ENOSPC
conditions") recalculated the number of credits needed for a long
symlink, in the process of splitting it into two transactions.  However,
the first credit calculation under-counted because if selinux is
enabled, credits are needed to create the selinux xattr as well.

Overrunning the reservation will result in an OOPS in
jbd2_journal_dirty_metadata() due to this assert:

  J_ASSERT_JH(jh, handle->h_buffer_credits > 0);

Fix this by increasing the reservation size.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoext3: Properly count journal credits for long symlinks
Eric Sandeen [Thu, 11 Aug 2011 14:51:46 +0000 (09:51 -0500)]
ext3: Properly count journal credits for long symlinks

Commit ae54870a1dc9 ("ext3: Fix lock inversion in ext3_symlink()")
recalculated the number of credits needed for a long symlink, in the
process of splitting it into two transactions.  However, the first
credit calculation under-counted because if selinux is enabled, credits
are needed to create the selinux xattr as well.

Overrunning the reservation will result in an OOPS in
journal_dirty_metadata() due to this assert:

  J_ASSERT_JH(jh, handle->h_buffer_credits > 0);

Fix this by increasing the reservation size.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoe1000e: increase driver version number
Bruce Allan [Fri, 22 Jul 2011 06:22:02 +0000 (06:22 +0000)]
e1000e: increase driver version number

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>
13 years agoe1000e: alternate MAC address update
Bruce Allan [Fri, 29 Jul 2011 05:53:07 +0000 (05:53 +0000)]
e1000e: alternate MAC address update

If word 0x37 in the EEPROM is 0xFFFF _or_ 0x0000, then there is no
alternate MAC address in the EEPROM.

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>
13 years agoe1000e: do not disable receiver on 82574/82583
Bruce Allan [Fri, 22 Jul 2011 06:21:35 +0000 (06:21 +0000)]
e1000e: do not disable receiver on 82574/82583

Due to a hardware erratum, the receiver on 82574 and 82583 should not be
stopped once it has been started.

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>
13 years agoe1000e: alternate MAC address does not work on device id 0x1060
Bruce Allan [Fri, 22 Jul 2011 06:21:51 +0000 (06:21 +0000)]
e1000e: alternate MAC address does not work on device id 0x1060

This issue is present all the way back to 2.6.34 kernels.

CC: <stable@kernel.org>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Jeffrey Pieper <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
13 years agomove RLIMIT_NPROC check from set_user() to do_execve_common()
Vasiliy Kulikov [Mon, 8 Aug 2011 15:02:04 +0000 (19:02 +0400)]
move RLIMIT_NPROC check from set_user() to do_execve_common()

The patch http://lkml.org/lkml/2003/7/13/226 introduced an RLIMIT_NPROC
check in set_user() to check for NPROC exceeding via setuid() and
similar functions.

Before the check there was a possibility to greatly exceed the allowed
number of processes by an unprivileged user if the program relied on
rlimit only.  But the check created new security threat: many poorly
written programs simply don't check setuid() return code and believe it
cannot fail if executed with root privileges.  So, the check is removed
in this patch because of too often privilege escalations related to
buggy programs.

The NPROC can still be enforced in the common code flow of daemons
spawning user processes.  Most of daemons do fork()+setuid()+execve().
The check introduced in execve() (1) enforces the same limit as in
setuid() and (2) doesn't create similar security issues.

Neil Brown suggested to track what specific process has exceeded the
limit by setting PF_NPROC_EXCEEDED process flag.  With the change only
this process would fail on execve(), and other processes' execve()
behaviour is not changed.

Solar Designer suggested to re-check whether NPROC limit is still
exceeded at the moment of execve().  If the process was sleeping for
days between set*uid() and execve(), and the NPROC counter step down
under the limit, the defered execve() failure because NPROC limit was
exceeded days ago would be unexpected.  If the limit is not exceeded
anymore, we clear the flag on successful calls to execve() and fork().

The flag is also cleared on successful calls to set_user() as the limit
was exceeded for the previous user, not the current one.

Similar check was introduced in -ow patches (without the process flag).

v3 - clear PF_NPROC_EXCEEDED on successful calls to set_user().

Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Acked-by: NeilBrown <neilb@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
John W. Linville [Thu, 11 Aug 2011 17:37:26 +0000 (13:37 -0400)]
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem

13 years agoMerge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 11 Aug 2011 16:03:48 +0000 (09:03 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf symbols: Check '/tmp/perf-' symbol file ownership
  perf sched: Usage leftover from trace -> script rename
  perf sched: Do not delete session object prematurely
  perf tools: Check $HOME/.perfconfig ownership
  perf, x86: Add model 45 SandyBridge support
  perf tools: Add support to install perf python extension
  perf tools: do not look at ./config for configuration
  perf tools: Make clean leaves some files
  perf lock: Dropping unsupported ':r' modifier
  perf probe: Fix coredump introduced by probe module option
  jump label: Reduce the cycle count by changing the link order
  perf report: Use ui__warning in some more places
  perf python: Add PERF_RECORD_{LOST,READ,SAMPLE} routine tables
  perf evlist: Introduce 'disable' method
  trace events: Update version number reference to new 3.x scheme for EVENT_POWER_TRACING_DEPRECATED
  perf buildid-cache: Zero out buffer of filenames when adding/removing buildid

13 years agoMAINTAINERS: Update linus' git repository
Tracey Dent [Thu, 11 Aug 2011 06:59:00 +0000 (02:59 -0400)]
MAINTAINERS: Update linus' git repository

Change to new git tree -
 (git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git).

Signed-off-by: Tracey Dent <tdent48227@gmail.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoRevert "EDAC: Correct Kconfig dependencies"
Linus Torvalds [Thu, 11 Aug 2011 15:58:41 +0000 (08:58 -0700)]
Revert "EDAC: Correct Kconfig dependencies"

This reverts commit af9d220bac41dc3201893e1601cc7c44f7da4498.

It turns out that one was meant to be applied on top of the edac.git
tree in -next that has more i7core_edac changes, but that wasn't clear
in the original email.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoNFS41: make PNFS_BLOCK selectable
Peng Tao [Wed, 10 Aug 2011 22:29:21 +0000 (18:29 -0400)]
NFS41: make PNFS_BLOCK selectable

PNFS_BLOCK needs BLK_DEV_DM/MD, which is not a dependency for other
pnfs layout drivers. Seperate it out so others can still build when
BLK_DEV_DM/MD is not enabled.

Also change select to depends on to avoid build failures.

Reported-and-tested-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Peng Tao <peng_tao@emc.com>
Acked-by: Benny Halevy <bhalevy@tonian.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoPCnet: Fix section mismatch
Ralf Baechle [Wed, 10 Aug 2011 05:23:46 +0000 (05:23 +0000)]
PCnet: Fix section mismatch

Building MIPS mtx1_defconfig results in:

  MODPOST 735 modules
WARNING: drivers/net/pcnet32.o(.devinit.text+0x11ec): Section mismatch in reference from the function pcnet32_probe_vlbus.constprop.22() to the variable .init.data:pcnet32_portlist
The function __devinit pcnet32_probe_vlbus.constprop.22() references
a variable __initdata pcnet32_portlist.
If pcnet32_portlist is only used by pcnet32_probe_vlbus.constprop.22 then
annotate pcnet32_portlist with a matching annotation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobnx2x: disable dcb on 578xx since not supported yet
Dmitry Kravkov [Tue, 9 Aug 2011 03:11:13 +0000 (03:11 +0000)]
bnx2x: disable dcb on 578xx since not supported yet

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobnx2x: properly clean indirect addresses
Dmitry Kravkov [Tue, 9 Aug 2011 03:10:29 +0000 (03:10 +0000)]
bnx2x: properly clean indirect addresses

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobnx2x: prevent race between undi_unload and load flows
Dmitry Kravkov [Tue, 9 Aug 2011 03:09:52 +0000 (03:09 +0000)]
bnx2x: prevent race between undi_unload and load flows

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobnx2x: fix select_queue when FCoE is disabled
Vladislav Zolotarov [Tue, 9 Aug 2011 03:08:55 +0000 (03:08 +0000)]
bnx2x: fix select_queue when FCoE is disabled

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agobnx2x: init FCOE FP only once
Vladislav Zolotarov [Tue, 9 Aug 2011 03:08:09 +0000 (03:08 +0000)]
bnx2x: init FCOE FP only once

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoipv4: some rt_iif -> rt_route_iif conversions
Julian Anastasov [Tue, 9 Aug 2011 04:01:16 +0000 (04:01 +0000)]
ipv4: some rt_iif -> rt_route_iif conversions

As rt_iif represents input device even for packets
coming from loopback with output route, it is not an unique
key specific to input routes. Now rt_route_iif has such role,
it was fl.iif in 2.6.38, so better to change the checks at
some places to save CPU cycles and to restore 2.6.38 semantics.

compare_keys:
- input routes: only rt_route_iif matters, rt_iif is same
- output routes: only rt_oif matters, rt_iif is not
used for matching in __ip_route_output_key
- now we are back to 2.6.38 state

ip_route_input_common:
- matching rt_route_iif implies input route
- compared to 2.6.38 we eliminated one rth->fl.oif check
because it was not needed even for 2.6.38

compare_hash_inputs:
Only the change here is not an optimization, it has
effect only for output routes. I assume I'm restoring
the original intention to ignore oif, it was using fl.iif
- now we are back to 2.6.38 state

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet/bridge/netfilter/ebtables.c: use available error handling code
Julia Lawall [Thu, 11 Aug 2011 01:59:38 +0000 (01:59 +0000)]
net/bridge/netfilter/ebtables.c: use available error handling code

Free the locally allocated table and newinfo as done in adjacent error
handling code.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet/netlabel/netlabel_kapi.c: add missing cleanup code
Julia Lawall [Thu, 11 Aug 2011 00:06:04 +0000 (00:06 +0000)]
net/netlabel/netlabel_kapi.c: add missing cleanup code

Call cipso_v4_doi_putdef in the case of the failure of the allocation of
entry.  Reverse the order of the error handling code at the end of the
function and insert more labels in order to reduce the number of
unnecessary calls to kfree.

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet/irda: sh_sir: tidyup compile warning
Kuninori Morimoto [Wed, 10 Aug 2011 23:26:37 +0000 (23:26 +0000)]
net/irda: sh_sir: tidyup compile warning

This patch tidyup below warning

${LINUX}/drivers/net/irda/sh_sir.c:514:6: warning:
 'val' may be used uninitialized in this function

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet/irda: sh_sir: add missing header
Kuninori Morimoto [Wed, 10 Aug 2011 23:26:09 +0000 (23:26 +0000)]
net/irda: sh_sir: add missing header

This patch fixup below build error on sh_sir

sh_sir.c: In function 'sh_sir_write':
sh_sir.c:127:2: error: implicit declaration of function 'iowrite16'
sh_sir.c: In function 'sh_sir_read':
sh_sir.c:132:2: error: implicit declaration of function 'ioread16'
sh_sir.c: At top level:
sh_sir.c:561:20: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'sh_sir_irq'
sh_sir.c: In function 'sh_sir_probe':
sh_sir.c:727:2: error: implicit declaration of function 'ioremap_nocache'
sh_sir.c:727:16: warning: assignment makes pointer from integer without a cast
sh_sir.c:762:2: error: implicit declaration of function 'request_irq'
sh_sir.c:762:23: error: 'sh_sir_irq' undeclared (first use in this function)
sh_sir.c:762:23: note: each undeclared identifier is reported only once for each function it appears in
sh_sir.c:762:35: error: 'IRQF_DISABLED' undeclared (first use in this function)
sh_sir.c:776:2: error: implicit declaration of function 'iounmap'
sh_sir.c: At top level:
sh_sir.c:436:13: warning: 'sh_sir_clear_all_err' defined but not used
sh_sir.c:474:12: warning: 'sh_sir_is_which_phase' defined but not used
sh_sir.c:490:13: warning: 'sh_sir_tx' defined but not used
sh_sir.c:540:13: warning: 'sh_sir_rx' defined but not used

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet/irda: sh_irda: add missing header
Kuninori Morimoto [Wed, 10 Aug 2011 23:25:42 +0000 (23:25 +0000)]
net/irda: sh_irda: add missing header

This patch fixup below build error on sh_irda

sh_irda.c: In function 'sh_irda_write':
sh_irda.c:174: error: implicit declaration of function 'iowrite16'
sh_irda.c: In function 'sh_irda_read':
sh_irda.c:184: error: implicit declaration of function 'ioread16'
sh_irda.c: At top level:
sh_irda.c:492: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'sh_irda_irq'
sh_irda.c: In function 'sh_irda_probe':
sh_irda.c:776: error: implicit declaration of function 'ioremap_nocache'
sh_irda.c:776: warning: assignment makes pointer from integer without a cast
sh_irda.c:811: error: implicit declaration of function 'request_irq'
sh_irda.c:811: error: 'sh_irda_irq' undeclared (first use in this function)
sh_irda.c:811: error: (Each undeclared identifier is reported only once
sh_irda.c:811: error: for each function it appears in.)
sh_irda.c:811: error: 'IRQF_DISABLED' undeclared (first use in this function)
sh_irda.c:825: error: implicit declaration of function 'iounmap'

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoslcan: ldisc generated skbs are received in softirq context
Oliver Hartkopp [Wed, 10 Aug 2011 05:18:59 +0000 (05:18 +0000)]
slcan: ldisc generated skbs are received in softirq context

As this discussion pointed out

http://marc.info/?l=linux-netdev&m=131257225602375

netdevices that are based on serial line disciplines should use netif_rx_ni()
when pushing received socketbuffers into the netdev rx queue.

Following commit 614851601c121b1320a35757ab88292d6272f906 ("slip: fix NOHZ
local_softirq_pending 08 warning") this patch updates the slcan driver
accordingly.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
CC: Matvejchikov Ilya <matvejchikov@gmail.com>
CC: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoscm: Capture the full credentials of the scm sender
Tim Chen [Tue, 9 Aug 2011 06:48:32 +0000 (06:48 +0000)]
scm: Capture the full credentials of the scm sender

This patch corrects an erroneous update of credential's gid with uid
introduced in commit 257b5358b32f17 since 2.6.36.

Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Reviewed-by: James Morris <jmorris@namei.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agotcp: initialize variable ecn_ok in syncookies path
Mike Waychison [Thu, 11 Aug 2011 04:59:57 +0000 (21:59 -0700)]
tcp: initialize variable ecn_ok in syncookies path

Using a gcc 4.4.3, warnings are emitted for a possibly uninitialized use
of ecn_ok.

This can happen if cookie_check_timestamp() returns due to not having
seen a timestamp.  Defaulting to ecn off seems like a reasonable thing
to do in this case, so initialized ecn_ok to false.

Signed-off-by: Mike Waychison <mikew@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoMerge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Thu, 11 Aug 2011 00:37:17 +0000 (17:37 -0700)]
Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm:
  ARM: drop experimental status for ARM_PATCH_PHYS_VIRT
  ARM: 7008/1: alignment: Make SIGBUS sent to userspace POSIXly correct
  ARM: 7007/1: alignment: Prevent ignoring of faults with ARMv6 unaligned access model
  ARM: 7010/1: mm: fix invalid loop for poison_init_mem
  ARM: 7005/1: freshen up mm/proc-arm946.S
  dmaengine: PL08x: Fix trivial build error
  ARM: Fix build error for SMP=n builds

13 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Wed, 10 Aug 2011 19:36:45 +0000 (12:36 -0700)]
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Really fix build without CONFIG_PCI
  powerpc: Fix build without CONFIG_PCI
  powerpc/4xx: Fix build of PCI code on 405
  powerpc/pseries: Simplify vpa deregistration functions
  powerpc/pseries: Cleanup VPA registration and deregistration errors
  powerpc/pseries: Fix kexec on recent firmware versions
  MAINTAINERS: change maintainership of mpc5xxx
  powerpc: Make KVM_GUEST default to n
  powerpc/kvm: Fix build errors with older toolchains
  powerpc: Lack of ibm,io-events not that important!
  powerpc: Move kdump default base address to half RMO size on 64bit
  powerpc/perf: Disable pagefaults during callchain stack read
  ppc: Remove duplicate definition of PV_POWER7
  powerpc: pseries: Fix kexec on machines with more than 4TB of RAM
  powerpc: Jump label misalignment causes oops at boot
  powerpc: Clean up some panic messages in prom_init
  powerpc: Fix device tree claim code
  powerpc: Return the_cpu_ spec from identify_cpu
  powerpc: mtspr/mtmsr should take an unsigned long

13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs...
Linus Torvalds [Wed, 10 Aug 2011 18:08:06 +0000 (11:08 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
  Ecryptfs: Add mount option to check uid of device being mounted = expect uid
  eCryptfs: Fix payload_len unitialized variable warning
  eCryptfs: fix compile error
  eCryptfs: Return error when lower file pointer is NULL

13 years agodrivers/net/wireless/wl1251: add missing kfree
Julia Lawall [Mon, 8 Aug 2011 11:18:03 +0000 (13:18 +0200)]
drivers/net/wireless/wl1251: add missing kfree

In each case, the kfree already at the end of the function is also needed
in the error case.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@exists@
local idexpression x;
statement S,S1;
expression E;
identifier fl;
expression *ptr != NULL;
@@

x = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
     when != if (...) { <+...kfree(x)...+> }
     when any
     when != true x == NULL
x->fl
...>
(
if (x == NULL) S1
|
if (...) { ... when != x
               when forall
(
 return \(0\|<+...x...+>\|ptr\);
|
* return ...;
)
}
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoEDAC: Correct Kconfig dependencies
Borislav Petkov [Wed, 10 Aug 2011 12:43:30 +0000 (14:43 +0200)]
EDAC: Correct Kconfig dependencies

Both AMD and Intel i7 EDAC drivers use MCE features and are thus
dependent of this functionality present in the kernel. Express this in
Kconfig so that randconfig builds don't break.

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agopowerpc: Really fix build without CONFIG_PCI
Benjamin Herrenschmidt [Wed, 10 Aug 2011 15:15:44 +0000 (01:15 +1000)]
powerpc: Really fix build without CONFIG_PCI

Brown paper bag day, previous commit wouldn't work very well with modules
enabled. Move the exports into the ifdef.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
13 years agonet: add Documentation/networking/scaling.txt
Willem de Bruijn [Tue, 9 Aug 2011 04:20:48 +0000 (04:20 +0000)]
net: add Documentation/networking/scaling.txt

Describes RSS, RPS, RFS, accelerated RFS, and XPS.

This version incorporates comments by Randy Dunlap and Rick Jones.
Besides text cleanup, it adds an explicit "Suggested Configuration"
heading to each section.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-By: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoARM: drop experimental status for ARM_PATCH_PHYS_VIRT
Russell King [Wed, 10 Aug 2011 09:17:07 +0000 (10:17 +0100)]
ARM: drop experimental status for ARM_PATCH_PHYS_VIRT

This has now been well tested, and several platforms are now selecting
this directly.  It's time to drop its experimental status.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoMerge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux...
Ingo Molnar [Wed, 10 Aug 2011 08:20:52 +0000 (10:20 +0200)]
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

13 years agonet_sched: prio: use qdisc_dequeue_peeked
Florian Westphal [Tue, 9 Aug 2011 02:04:43 +0000 (02:04 +0000)]
net_sched: prio: use qdisc_dequeue_peeked

commit 07bd8df5df4369487812bf85a237322ff3569b77
(sch_sfq: fix peek() implementation) changed sfq to use generic
peek helper.

This makes HFSC complain about a non-work-conserving child qdisc, if
prio with sfq child is used within hfsc:

hfsc peeks into prio qdisc, which will then peek into sfq.
returned skb is stashed in sch->gso_skb.

Next, hfsc tries to dequeue from prio, but prio will call sfq dequeue
directly, which may return NULL instead of previously peeked-at skb.

Have prio call qdisc_dequeue_peeked, so sfq->dequeue() is
not called in this case.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoBridge: Always send NETDEV_CHANGEADDR up on br MAC change.
Andrei Warkentin [Fri, 5 Aug 2011 11:04:10 +0000 (11:04 +0000)]
Bridge: Always send NETDEV_CHANGEADDR up on br MAC change.

This ensures the neighbor entries associated with the bridge
dev are flushed, also invalidating the associated cached L2 headers.

This means we br_add_if/br_del_if ports to implement hand-over and
not wind up with bridge packets going out with stale MAC.

This means we can also change MAC of port device and also not wind
up with bridge packets going out with stale MAC.

This builds on Stephen Hemminger's patch, also handling the br_del_if
case and the port MAC change case.

Cc: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Andrei Warkentin <andreiw@motorola.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoEcryptfs: Add mount option to check uid of device being mounted = expect uid
John Johansen [Fri, 22 Jul 2011 15:14:15 +0000 (08:14 -0700)]
Ecryptfs: Add mount option to check uid of device being mounted = expect uid

Close a TOCTOU race for mounts done via ecryptfs-mount-private.  The mount
source (device) can be raced when the ownership test is done in userspace.
Provide Ecryptfs a means to force the uid check at mount time.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Cc: <stable@kernel.org>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agocap_syslog: don't use WARN_ONCE for CAP_SYS_ADMIN deprecation warning
Jonathan Nieder [Mon, 8 Aug 2011 04:22:43 +0000 (06:22 +0200)]
cap_syslog: don't use WARN_ONCE for CAP_SYS_ADMIN deprecation warning

syslog-ng versions before 3.3.0beta1 (2011-05-12) assume that
CAP_SYS_ADMIN is sufficient to access syslog, so ever since CAP_SYSLOG
was introduced (2010-11-25) they have triggered a warning.

Commit ee24aebffb75 ("cap_syslog: accept CAP_SYS_ADMIN for now")
improved matters a little by making syslog-ng work again, just keeping
the WARN_ONCE().  But still, this is a warning that writes a stack trace
we don't care about to syslog, sets a taint flag, and alarms sysadmins
when nothing worse has happened than use of an old userspace with a
recent kernel.

Convert the WARN_ONCE to a printk_once to avoid that while continuing to
give userspace developers a hint that this is an unwanted
backward-compatibility feature and won't be around forever.

Reported-by: Ralf Hildebrandt <ralf.hildebrandt@charite.de>
Reported-by: Niels <zorglub_olsen@hotmail.com>
Reported-by: Paweł Sikora <pluto@agmk.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Liked-by: Gergely Nagy <algernon@madhouse-project.org>
Acked-by: Serge Hallyn <serge@hallyn.com>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoRevert "memcg: get rid of percpu_charge_mutex lock"
Michal Hocko [Tue, 9 Aug 2011 09:56:26 +0000 (11:56 +0200)]
Revert "memcg: get rid of percpu_charge_mutex lock"

This reverts commit 8521fc50d433507a7cdc96bec280f9e5888a54cc.

The patch incorrectly assumes that using atomic FLUSHING_CACHED_CHARGE
bit operations is sufficient but that is not true.  Johannes Weiner has
reported a crash during parallel memory cgroup removal:

  BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
  IP: [<ffffffff81083b70>] css_is_ancestor+0x20/0x70
  Oops: 0000 [#1] PREEMPT SMP
  Pid: 19677, comm: rmdir Tainted: G        W   3.0.0-mm1-00188-gf38d32b #35 ECS MCP61M-M3/MCP61M-M3
  RIP: 0010:[<ffffffff81083b70>]  css_is_ancestor+0x20/0x70
  RSP: 0018:ffff880077b09c88  EFLAGS: 00010202
  Process rmdir (pid: 19677, threadinfo ffff880077b08000, task ffff8800781bb310)
  Call Trace:
   [<ffffffff810feba3>] mem_cgroup_same_or_subtree+0x33/0x40
   [<ffffffff810feccf>] drain_all_stock+0x11f/0x170
   [<ffffffff81103211>] mem_cgroup_force_empty+0x231/0x6d0
   [<ffffffff811036c4>] mem_cgroup_pre_destroy+0x14/0x20
   [<ffffffff81080559>] cgroup_rmdir+0xb9/0x500
   [<ffffffff81114d26>] vfs_rmdir+0x86/0xe0
   [<ffffffff81114e7b>] do_rmdir+0xfb/0x110
   [<ffffffff81114ea6>] sys_rmdir+0x16/0x20
   [<ffffffff8154d76b>] system_call_fastpath+0x16/0x1b

We are crashing because we try to dereference cached memcg when we are
checking whether we should wait for draining on the cache.  The cache is
already cleaned up, though.

There is also a theoretical chance that the cached memcg gets freed
between we test for the FLUSHING_CACHED_CHARGE and dereference it in
mem_cgroup_same_or_subtree:

        CPU0                    CPU1                         CPU2
  mem=stock->cached
  stock->cached=NULL
                              clear_bit
                                                        test_and_set_bit
  test_bit()                    ...
  <preempted>             mem_cgroup_destroy
  use after free

The percpu_charge_mutex protected from this race because sync draining
is exclusive.

It is safer to revert now and come up with a more parallel
implementation later.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoath5k: fix error handling in ath5k_beacon_send
Bob Copeland [Sun, 7 Aug 2011 23:36:07 +0000 (19:36 -0400)]
ath5k: fix error handling in ath5k_beacon_send

This cleans up error handling for the beacon in case of dma mapping
failure.  We need to free the skb when dma mapping fails instead of
nulling and leaking the pointer, and we should bail out to avoid
giving the hardware the bad descriptor.

Finally, we need to perform the null check after trying to update
the beacon, or else beacons will never be sent after a single
mapping failure.

Cc: stable@kernel.org
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agort2x00: Add rt2870 device id for Dvico usb key
Anthony Bourguignon [Fri, 5 Aug 2011 05:46:32 +0000 (07:46 +0200)]
rt2x00: Add rt2870 device id for Dvico usb key

This patch add a device id for the wifi usb keys shiped by DVICO with
some of their tvix hardware.

Signed-off-by: Anthony Bourguignon <contact+kernel@toniob.net>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoath9k: fix a misprint which leads to incorrect calibration
Alex Hacker [Thu, 4 Aug 2011 07:47:32 +0000 (13:47 +0600)]
ath9k: fix a misprint which leads to incorrect calibration

This patch addresses an issue with incorrect HW register
AR_PHY_TX_IQCAL_CORR_COEFF_B1 definition which leads to incorrect clibration.

Cc: stable@kernel.org
Signed-off-by: Alex Hacker <hacker@epn.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agort2x00: Add new rt73 buffalo USB id
Ivo van Doorn [Wed, 3 Aug 2011 19:09:49 +0000 (21:09 +0200)]
rt2x00: Add new rt73 buffalo USB id

Reported-by: Maik-Holger Freudenberg <hhfeuer@gmx.de>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agortlwifi: rtl892cu: New USB IDs
Larry Finger [Tue, 2 Aug 2011 21:52:33 +0000 (16:52 -0500)]
rtlwifi: rtl892cu: New USB IDs

This patch fixes several problems in the USB_DEVICE table, including missing IDs,
reversed vendor/product codes, and a duplicate ID.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoath9k_hw: update PMU to improve ripple issue for AR9485
Rajkumar Manoharan [Fri, 29 Jul 2011 12:08:17 +0000 (17:38 +0530)]
ath9k_hw: update PMU to improve ripple issue for AR9485

The commit ebefce3d13f8b5a871337ff7c3821ee140c1ea8a failed
to set proper PMU value to address ripple issue for AR9485.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoath9k_hw: Fix incorrect Tx control power in AR9003 template
Rajkumar Manoharan [Fri, 29 Jul 2011 12:08:15 +0000 (17:38 +0530)]
ath9k_hw: Fix incorrect Tx control power in AR9003 template

CTL power data incorrect in ctlPowerData_2G field of ar9300_eeprom.
Setting incorrect CTL power in calibration is causing lower tx power.
Tx power was reported as 3dBm while operating in channel 6 HT40+/
in channel 11 HT40- due to CTL powers in the calibration is set to
zero.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agob43: read correct register on bcma bus.
Hauke Mehrtens [Sat, 23 Jul 2011 11:57:33 +0000 (13:57 +0200)]
b43: read correct register on bcma bus.

This causes an databus error on a Broadcom SoC using bcma.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
13 years agoMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg...
Linus Torvalds [Tue, 9 Aug 2011 19:51:25 +0000 (12:51 -0700)]
Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

* 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  slub: Fix partial count comparison confusion

13 years agoeCryptfs: Fix payload_len unitialized variable warning
Tyler Hicks [Fri, 5 Aug 2011 09:15:19 +0000 (04:15 -0500)]
eCryptfs: Fix payload_len unitialized variable warning

fs/ecryptfs/keystore.c: In function ‘ecryptfs_generate_key_packet_set’:
fs/ecryptfs/keystore.c:1991:28: warning: ‘payload_len’ may be used uninitialized in this function [-Wuninitialized]
fs/ecryptfs/keystore.c:1976:9: note: ‘payload_len’ was declared here

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoeCryptfs: fix compile error
Roberto Sassu [Mon, 1 Aug 2011 11:33:38 +0000 (13:33 +0200)]
eCryptfs: fix compile error

This patch fixes the compile error reported at the address:

https://bugzilla.kernel.org/show_bug.cgi?id=40292

The problem arises when compiling eCryptfs as built-in and the 'encrypted'
key type as a module. The patch prevents this combination from being set in
the kernel configuration, by fixing the eCryptfs dependencies.

Signed-off-by: Roberto Sassu <roberto.sassu@polito.it>
Reported-by: David Hill <hilld@binarystorm.net>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
13 years agoeCryptfs: Return error when lower file pointer is NULL
Tyler Hicks [Fri, 5 Aug 2011 03:58:51 +0000 (22:58 -0500)]
eCryptfs: Return error when lower file pointer is NULL

When an eCryptfs inode's lower file has been closed, and the pointer has
been set to NULL, return an error when trying to do a lower read or
write rather than calling BUG().

https://bugzilla.kernel.org/show_bug.cgi?id=37292

Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Cc: <stable@kernel.org>
13 years agoperf symbols: Check '/tmp/perf-' symbol file ownership
Pekka Enberg [Tue, 9 Aug 2011 19:54:18 +0000 (22:54 +0300)]
perf symbols: Check '/tmp/perf-' symbol file ownership

The external symbol files are generated by JIT compilers, for example, but we
need to make sure they're ours before injecting them to 'perf report'.

Requested-by: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1312919658-17158-1-git-send-email-penberg@kernel.org
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoslub: Fix partial count comparison confusion
Christoph Lameter [Tue, 9 Aug 2011 18:01:32 +0000 (13:01 -0500)]
slub: Fix partial count comparison confusion

deactivate_slab() has the comparison if more than the minimum number of
partial pages are in the partial list wrong. An effect of this may be that
empty pages are not freed from deactivate_slab(). The result could be an
OOM due to growth of the partial slabs per node. Frees mostly occur from
__slab_free which is okay so this would only affect use cases where a lot
of switching around of per cpu slabs occur.

Switching per cpu slabs occurs with high frequency if debugging options are
enabled.

Reported-and-tested-by: Xiaotian Feng <xtfeng@gmail.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
13 years agoperf sched: Usage leftover from trace -> script rename
Jiri Olsa [Tue, 9 Aug 2011 12:46:51 +0000 (14:46 +0200)]
perf sched: Usage leftover from trace -> script rename

The 'perf sched' command usage still showing 'trace' command instead of
the 'script' command.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110809124651.GD2056@jolsa.brq.redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoperf sched: Do not delete session object prematurely
Jiri Olsa [Mon, 8 Aug 2011 21:03:34 +0000 (23:03 +0200)]
perf sched: Do not delete session object prematurely

The session object is released prematurely when processing events for
latency command. The session's thread objects are used within the
output_lat_thread function.

Runnning following commands:

 # perf sched record
 # perf sched latency

the latter displays incorrect data and might cause access violation.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1312837414-3819-1-git-send-email-jolsa@redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg...
Linus Torvalds [Tue, 9 Aug 2011 15:42:16 +0000 (08:42 -0700)]
Merge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

* 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  slub: fix check_bytes() for slub debugging
  slub: Fix full list corruption if debugging is on

13 years agoperf tools: Check $HOME/.perfconfig ownership
Arnaldo Carvalho de Melo [Tue, 9 Aug 2011 15:42:13 +0000 (12:42 -0300)]
perf tools: Check $HOME/.perfconfig ownership

Just like we do already for perf.data files.

Requested-by: Ingo Molnar <mingo@elte.hu>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Christian Ohm <chr.ohm@gmx.net>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jonathan Nieder <jrnieder@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qgokmxsmvppwpc5404qhyk7e@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Tue, 9 Aug 2011 15:41:36 +0000 (08:41 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  sound: pss - don't use the deprecated function check_region
  ALSA: timer - Add NULL-check for invalid slave timer
  ALSA: timer - Fix Oops at closing slave timer
  ASoC: Acknowledge WM8996 interrupts before acting on them
  ASoC: Rename WM8915 to WM8996
  ALSA: Fix dependency of CONFIG_SND_TEA575X
  ALSA: asihpi - use kzalloc()
  ALSA: snd-usb-caiaq: Fix keymap for RigKontrol3
  ALSA: snd-usb: Fix uninitialized variable usage
  ALSA: hda - Fix a complile warning in patch_via.c
  ALSA: hdspm - Fix uninitialized compile warnings
  ALSA: usb-audio - add quirk for Keith McMillen StringPort
  ALSA: snd-usb: operate on given mixer interface only
  ALSA: snd-usb: avoid dividing by zero on invalid input
  ALSA: snd-usb: Accept UAC2 FORMAT_TYPE descriptors with bLength > 6
  sound: oss/pas2: Remove CLOCK_TICK_RATE dependency from PAS16 driver
  ALSA: hda - Use auto-parser for ASUS UX50, Eee PC P901, S101 and P1005
  ALSA: hda - Fix digital-mic mono recording on ASUS Eee PC
  ASoC: sgtl5000: fix cache handling
  ASoC: Disable wm_hubs periodic DC servo update

13 years agogma500: Fix clashes with DRM updates
Alan Cox [Tue, 9 Aug 2011 13:30:37 +0000 (14:30 +0100)]
gma500: Fix clashes with DRM updates

The private object support has migrated from gma500 into the DRM core,
remove our now clashing copy.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoMerge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux...
Ingo Molnar [Tue, 9 Aug 2011 14:44:27 +0000 (16:44 +0200)]
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

13 years agoslub: fix check_bytes() for slub debugging
Akinobu Mita [Sun, 7 Aug 2011 09:30:38 +0000 (18:30 +0900)]
slub: fix check_bytes() for slub debugging

The check_bytes() function is used by slub debugging.  It returns a pointer
to the first unmatching byte for a character in the given memory area.

If the character for matching byte is greater than 0x80, check_bytes()
doesn't work.  Becuase 64-bit pattern is generated as below.

value64 = value | value << 8 | value << 16 | value << 24;
value64 = value64 | value64 << 32;

The integer promotions are performed and sign-extended as the type of value
is u8.  The upper 32 bits of value64 is 0xffffffff in the first line, and
the second line has no effect.

This fixes the 64-bit pattern generation.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Matt Mackall <mpm@selenic.com>
Reviewed-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
13 years agoslub: Fix full list corruption if debugging is on
Christoph Lameter [Mon, 8 Aug 2011 16:16:56 +0000 (11:16 -0500)]
slub: Fix full list corruption if debugging is on

When a slab is freed by __slab_free() and the slab can only contain a
single object ever then it was full (and therefore not on the partial
lists but on the full list in the debug case) before we reached
slab_empty.

This caused the following full list corruption when SLUB debugging was enabled:

  [ 5913.233035] ------------[ cut here ]------------
  [ 5913.233097] WARNING: at lib/list_debug.c:53 __list_del_entry+0x8d/0x98()
  [ 5913.233101] Hardware name: Adamo 13
  [ 5913.233105] list_del corruption. prev->next should be ffffea000434fd20, but was ffffea0004199520
  [ 5913.233108] Modules linked in: nfs fscache fuse ebtable_nat ebtables ppdev parport_pc lp parport ipt_MASQUERADE iptable_nat nf_nat nfsd lockd nfs_acl auth_rpcgss xt_CHECKSUM sunrpc iptable_mangle bridge stp llc cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables rfcomm bnep arc4 iwlagn snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel btusb mac80211 snd_hda_codec bluetooth snd_hwdep snd_seq snd_seq_device snd_pcm usb_debug dell_wmi sparse_keymap cdc_ether usbnet cdc_acm uvcvideo cdc_wdm mii cfg80211 snd_timer dell_laptop videodev dcdbas snd microcode v4l2_compat_ioctl32 soundcore joydev tg3 pcspkr snd_page_alloc iTCO_wdt i2c_i801 rfkill iTCO_vendor_support wmi virtio_net kvm_intel kvm ipv6 xts gf128mul dm_crypt i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
  [ 5913.233213] Pid: 0, comm: swapper Not tainted 3.0.0+ #127
  [ 5913.233213] Call Trace:
  [ 5913.233213]  <IRQ>  [<ffffffff8105df18>] warn_slowpath_common+0x83/0x9b
  [ 5913.233213]  [<ffffffff8105dfd3>] warn_slowpath_fmt+0x46/0x48
  [ 5913.233213]  [<ffffffff8127e7c1>] __list_del_entry+0x8d/0x98
  [ 5913.233213]  [<ffffffff8127e7da>] list_del+0xe/0x2d
  [ 5913.233213]  [<ffffffff814e0430>] __slab_free+0x1db/0x235
  [ 5913.233213]  [<ffffffff811706ab>] ? bvec_free_bs+0x35/0x37
  [ 5913.233213]  [<ffffffff811706ab>] ? bvec_free_bs+0x35/0x37
  [ 5913.233213]  [<ffffffff811706ab>] ? bvec_free_bs+0x35/0x37
  [ 5913.233213]  [<ffffffff81133085>] kmem_cache_free+0x88/0x102
  [ 5913.233213]  [<ffffffff811706ab>] bvec_free_bs+0x35/0x37
  [ 5913.233213]  [<ffffffff811706e1>] bio_free+0x34/0x64
  [ 5913.233213]  [<ffffffff813dc390>] dm_bio_destructor+0x12/0x14
  [ 5913.233213]  [<ffffffff8116fef6>] bio_put+0x2b/0x2d
  [ 5913.233213]  [<ffffffff813dccab>] clone_endio+0x9e/0xb4
  [ 5913.233213]  [<ffffffff8116f7dd>] bio_endio+0x2d/0x2f
  [ 5913.233213]  [<ffffffffa00148da>] crypt_dec_pending+0x5c/0x8b [dm_crypt]
  [ 5913.233213]  [<ffffffffa00150a9>] crypt_endio+0x78/0x81 [dm_crypt]

[ Full discussion here: https://lkml.org/lkml/2011/8/4/375 ]

Make sure that we remove such a slab also from the full lists.

Reported-and-tested-by: Dave Jones <davej@redhat.com>
Reported-and-tested-by: Xiaotian Feng <xtfeng@gmail.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
13 years agoperf, x86: Add model 45 SandyBridge support
Youquan Song [Tue, 2 Aug 2011 06:01:35 +0000 (14:01 +0800)]
perf, x86: Add model 45 SandyBridge support

Add support to Romely-EP SandyBridge.

Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Anhua Xu <anhua.xu@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1312264895-2010-1-git-send-email-youquan.song@intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
13 years agoARM: 7008/1: alignment: Make SIGBUS sent to userspace POSIXly correct
Dave Martin [Thu, 28 Jul 2011 13:29:40 +0000 (14:29 +0100)]
ARM: 7008/1: alignment: Make SIGBUS sent to userspace POSIXly correct

With the UM_SIGNAL alignment fault mode, no siginfo structure is
passed to userspace.

POSIX specifies how siginfo_t should be populated for alignment
faults, so this patch does just that:

  * si_signo = SIGBUS
  * si_code = BUS_ADRALN
  * si_addr = misaligned data address at which access was attempted

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Kirill A. Shutemov <kirill@shutemov.name>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: 7007/1: alignment: Prevent ignoring of faults with ARMv6 unaligned access model
Dave Martin [Thu, 28 Jul 2011 13:28:52 +0000 (14:28 +0100)]
ARM: 7007/1: alignment: Prevent ignoring of faults with ARMv6 unaligned access model

Currently, it's possible to set the kernel to ignore alignment
faults when changing the alignment fault handling mode at runtime
via /proc/sys/alignment, even though this is undesirable on ARMv6
and above, where it can result in infinite spins where an un-fixed-
up instruction repeatedly faults.

In addition, the kernel clobbers any alignment mode specified on
the command-line if running on ARMv6 or above.

This patch factors out the necessary safety check into a couple of
new helper functions, and checks and modifies the fault handling
mode as appropriate on boot and on writes to /proc/cpu/alignment.

Prior to ARMv6, the behaviour is unchanged.

For ARMv6 and above, the behaviour changes as follows:

  * Attempting to ignore faults on ARMv6 results in the mode being
    forced to UM_FIXUP instead.  A warning is printed if this
    happened as a result of a write to /proc/cpu/alignment.  The
    user's UM_WARN bit (if present) is still honoured.

  * An alignment= argument from the kernel command-line is now
    honoured, except that the kernel will modify the specified mode
    as described above.  This is allows modes such as UM_SIGNAL and
    UM_WARN to be active immediately from boot, which is useful for
    debugging purposes.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: 7010/1: mm: fix invalid loop for poison_init_mem
Jamie Iles [Thu, 4 Aug 2011 08:39:31 +0000 (09:39 +0100)]
ARM: 7010/1: mm: fix invalid loop for poison_init_mem

poison_init_mem() used a loop of:

while ((count = count - 4))

which has 2 problems - an off by one error so that we do one less word
than we should, and the other is that if count == 0 then we loop forever
and poison too much.  On a platform with HAVE_TCM=y but nothing in the
TCM's, this caused corruption and the platform failed to boot.

Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoARM: 7005/1: freshen up mm/proc-arm946.S
Brian S. Julin [Sun, 24 Jul 2011 15:53:50 +0000 (16:53 +0100)]
ARM: 7005/1: freshen up mm/proc-arm946.S

The file mm/proc-arm946.S contains a typo and is missing a structure
member in __arm946_proc_info.  The former prevents compilation
and the latter causes problems during boot.  It is likely this
file was manually copied from a similar file and not tested, then
later updates to the *_proc_info structures missed this file.

This patch will apply (with offset) with or without the
recent macro unification work that has been done in this directory.
This was verified against linux-next/stable last week.

See arm-linux-kernel thread:
http://lists.arm.linux.org.uk/lurker/message/20110718.103237.0106d468.en.html

Signed-off-by: Brian S. Julin <bri@abrij.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agodmaengine: PL08x: Fix trivial build error
Russell King [Sat, 6 Aug 2011 08:34:26 +0000 (09:34 +0100)]
dmaengine: PL08x: Fix trivial build error

Something changed during the 3.1 merge window in the include files
which now causes the pl08x DMA engine driver to fail to build.  Fix
this by adding the now necessary dma-mapping.h include:

drivers/dma/amba-pl08x.c: In function ■pl08x_unmap_buffers■:
drivers/dma/amba-pl08x.c:1524: error: implicit declaration of function ■dma_unmap_single■
drivers/dma/amba-pl08x.c:1527: error: implicit declaration of function ■dma_unmap_page■

Acked-by: Vinod Koul <vinod.koul@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
13 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Mon, 8 Aug 2011 19:14:51 +0000 (12:14 -0700)]
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  TOMOYO: Fix incomplete read of /sys/kernel/security/tomoyo/profile

13 years agomm: Fix fixup_user_fault() for MMU=n
Peter Zijlstra [Wed, 27 Jul 2011 10:17:11 +0000 (12:17 +0200)]
mm: Fix fixup_user_fault() for MMU=n

In commit 2efaca927f5c ("mm/futex: fix futex writes on archs with SW
tracking of dirty & young") we forgot about MMU=n.  This patch fixes
that.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Howells <dhowells@redhat.com>
Link: http://lkml.kernel.org/r/1311761831.24752.413.camel@twins
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoautofs4: fix debug printk warning uncovered by cleanup
Linus Torvalds [Mon, 8 Aug 2011 18:55:20 +0000 (11:55 -0700)]
autofs4: fix debug printk warning uncovered by cleanup

The previous comit made the autofs4 debug printouts check types against
the printout format, and uncovered this bug:

  fs/autofs4/waitq.c:106:2: warning: format ‘%08lx’ expects type ‘long unsigned int’, but argument 4 has type ‘autofs_wqt_t’

which is due to the insane type for wait_queue_token.  That thing should
be some fixed well-defined size (preferably just 'unsigned int' or
'u32') but for unexplained reasons it is randomly either 'unsigned long'
or 'unsigned int' depending on the architecture.

For now, cast it to 'unsigned long' for printing, the way we do
elsewhere.  Somebody else can try to explain the typedef mess.

(There's a reason we don't support excessive use of typedefs in the
kernel: it's usually just a good way of confusing yourself).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoautofs4: clean up uaotfs use of debug/info/warning printouts
Linus Torvalds [Mon, 8 Aug 2011 18:35:17 +0000 (11:35 -0700)]
autofs4: clean up uaotfs use of debug/info/warning printouts

Use 'pr_debug()' for DPRINTK, which will do the proper type checking on
the arguments (without generating code) even when DEBUG isn't #defined.

Also, use the standard __VA_ARGS__ for the macros, and stop the
pointless abuse of 'do { xyz } while (0)' when the macro is already a
perfectly well-formed single statement.

Reported-by: David Howells <dhowells@redhat.com>
Suggested-by: Joe Perches <joe@perches.com>
Cc: Ian Kent <raven@themaw.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agocred: use 'const' in get_current_{user,groups}
Linus Torvalds [Mon, 8 Aug 2011 18:33:23 +0000 (11:33 -0700)]
cred: use 'const' in get_current_{user,groups}

Avoid annoying warnings from these functions ("discards qualifiers")
because they assign 'current_cred()' to a non-const pointer.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoCRED: Restore const to current_cred()
David Howells [Mon, 8 Aug 2011 14:54:53 +0000 (15:54 +0100)]
CRED: Restore const to current_cred()

Commit 3295514841c2 ("fix rcu annotations noise in cred.h") accidentally
dropped the const of current->cred inside current_cred() by the
insertion of a cast to deal with an RCU annotation loss warning from
sparce.

Use an appropriate RCU wrapper instead so as not to lose the const.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
13 years agoperf tools: Add support to install perf python extension
Jiri Olsa [Fri, 22 Jul 2011 11:33:07 +0000 (13:33 +0200)]
perf tools: Add support to install perf python extension

Adding install-python_ext target to install python extension related
files.  Installation directory is governed by python distutils package
and follows the DESTDIR variable settings.

Also moving python extension build output into '$(O)python_ext_build'
directory and making it configurable via PYTHON_EXTBUILD variable.

Keeping the '$(O)python/perf.so' file, so it could be used for testing
as of until now.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110722113307.GA1931@jolsa.brq.redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoperf tools: do not look at ./config for configuration
Jonathan Nieder [Fri, 5 Aug 2011 16:58:38 +0000 (18:58 +0200)]
perf tools: do not look at ./config for configuration

In addition to /etc/perfconfig and $HOME/.perfconfig, perf looks for
configuration in the file ./config, imitating git which looks at
$GIT_DIR/config.  If ./config is not a perf configuration file, it
fails, or worse, treats it as a configuration file and changes behavior
in some unexpected way.

"config" is not an unusual name for a file to be lying around and perf
does not have a private directory dedicated for its own use, so let's
just stop looking for configuration in the cwd.  Callers needing
context-sensitive configuration can use the PERF_CONFIG environment
variable.

Requested-by: Christian Ohm <chr.ohm@gmx.net>
Cc: 632923@bugs.debian.org
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Christian Ohm <chr.ohm@gmx.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110805165838.GA7237@elie.gateway.2wire.net
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoperf tools: Make clean leaves some files
Kusanagi Kouichi [Sun, 7 Aug 2011 08:39:31 +0000 (17:39 +0900)]
perf tools: Make clean leaves some files

Use LIB_OBJS and BUILTIN_OBJS for .o files.

LIB_FILE is already prefixed with OUTPUT.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110807083932.9C0E514C03B@msa103.auone-net.jp
Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoperf lock: Dropping unsupported ':r' modifier
Zhu Yanhai [Sat, 30 Jul 2011 14:13:52 +0000 (22:13 +0800)]
perf lock: Dropping unsupported ':r' modifier

Looks to me like the :r modifier is not supported anymore, so remove it
from the list of events. Without this fix 'perf lock record' doesn't
work.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Zhu Yanhai <gaoyang.zyh@taobao.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1312035232-9534-1-git-send-email-gaoyang.zyh@taobao.com
Signed-off-by: Zhu Yanhai <gaoyang.zyh@taobao.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoperf probe: Fix coredump introduced by probe module option
Jovi Zhang [Mon, 25 Jul 2011 14:08:08 +0000 (22:08 +0800)]
perf probe: Fix coredump introduced by probe module option

perf will coredump if the user doesn't give the "-m" option in probe
command, this patch fixes it.

[root@localhost perf]# ./perf probe --add='PROBE'
Segmentation fault (core dumped)

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1311602888-2389-1-git-send-email-bookjovi@gmail.com
Signed-off-by: Jovi Zhang <bookjovi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
13 years agoMerge branch 'fix/asoc' into for-linus
Takashi Iwai [Mon, 8 Aug 2011 12:30:44 +0000 (14:30 +0200)]
Merge branch 'fix/asoc' into for-linus

13 years agoMerge branch 'fix/kconfig' into for-linus
Takashi Iwai [Mon, 8 Aug 2011 12:30:29 +0000 (14:30 +0200)]
Merge branch 'fix/kconfig' into for-linus

13 years agosound: pss - don't use the deprecated function check_region
Wang Shaoyan [Mon, 8 Aug 2011 11:10:26 +0000 (19:10 +0800)]
sound: pss - don't use the deprecated function check_region

  sound/oss/pss.c: In function 'configure_nonsound_components':
  sound/oss/pss.c:676: warning: 'check_region' is deprecated (declared at include/linux/ioport.h:201)

Signed-off-by: Wang Shaoyan <wangshaoyan.pt@taobao.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: timer - Add NULL-check for invalid slave timer
Takashi Iwai [Mon, 8 Aug 2011 10:28:22 +0000 (12:28 +0200)]
ALSA: timer - Add NULL-check for invalid slave timer

Just to be sure.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoALSA: timer - Fix Oops at closing slave timer
Takashi Iwai [Mon, 8 Aug 2011 10:24:46 +0000 (12:24 +0200)]
ALSA: timer - Fix Oops at closing slave timer

A slave-timer instance has no timer reference, and this results in
NULL-dereference at stopping the timer, typically called at closing
the device.

Reference: https://bugzilla.kernel.org/show_bug.cgi?id=40682

Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
13 years agoMerge branch 'wm8996-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...
Takashi Iwai [Mon, 8 Aug 2011 08:45:31 +0000 (10:45 +0200)]
Merge branch 'wm8996-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into fix/asoc

13 years agodp83640: increase receive time stamp buffer size
Richard Cochran [Sat, 6 Aug 2011 21:03:04 +0000 (21:03 +0000)]
dp83640: increase receive time stamp buffer size

The dp83640 buffers receive time stamps from special PHY status frames,
matching them to received PTP packets in a work queue. Because the timeout
for orphaned time stamps is so long and the buffer is so small, the driver
can drop time stamps under moderate PTP traffic.

This commit fixes the issue by decreasing the timeout to (at least) one
timer tick and increasing the buffer size.

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Cc: <stable@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agogianfar: fix fiper alignment after resetting the time
Richard Cochran [Sat, 6 Aug 2011 21:03:03 +0000 (21:03 +0000)]
gianfar: fix fiper alignment after resetting the time

After resetting the time, the PPS signals on the FIPER output channels
are incorrectly offset from the clock time, as can be readily verified
by a looping back the FIPER to the external time stamp input.

Despite its name, setting the "Fiper Realignment Disable" bit seems to
fix the problem, at least on the P2020.

Also, following the example code from the Freescale BSP, it is not really
necessary to disable and re-enable the timer in order to reprogram the
FIPER. (The documentation is rather unclear on this point. It seems that
writing to the alarm register also disables the FIPER.)

Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Cc: <stable@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agortl8150: rtl8150_disconnect(...) does not need tasklet_disable(...)
huajun li [Sun, 7 Aug 2011 03:03:31 +0000 (03:03 +0000)]
rtl8150: rtl8150_disconnect(...) does not need tasklet_disable(...)

Executing cmd 'rmmod rtl8150' does not return(if your device connects
to host), the root cause is tasklet_disable() causes tasklet_kill()
block, remove it from rtl8150_disconnect().

Signed-off-by: Huajun Li <huajun.li.lee@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoipv4: use dst with ref during bcast/mcast loopback
Julian Anastasov [Sun, 7 Aug 2011 10:17:22 +0000 (10:17 +0000)]
ipv4: use dst with ref during bcast/mcast loopback

Make sure skb dst has reference when moving to
another context. Currently, I don't see protocols that can
hit it when sending broadcasts/multicasts to loopback using
noref dsts, so it is just a precaution.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoipv4: route non-local sources for raw socket
Julian Anastasov [Sun, 7 Aug 2011 09:16:09 +0000 (09:16 +0000)]
ipv4: route non-local sources for raw socket

The raw sockets can provide source address for
routing but their privileges are not considered. We
can provide non-local source address, make sure the
FLOWI_FLAG_ANYSRC flag is set if socket has privileges
for this, i.e. based on hdrincl (IP_HDRINCL) and
transparent flags.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonetfilter: TCP and raw fix for ip_route_me_harder
Julian Anastasov [Sun, 7 Aug 2011 09:11:00 +0000 (09:11 +0000)]
netfilter: TCP and raw fix for ip_route_me_harder

TCP in some cases uses different global (raw) socket
to send RST and ACK. The transparent flag is not set there.
Currently, it is a problem for rerouting after the previous
change.

Fix it by simplifying the checks in ip_route_me_harder
and use FLOWI_FLAG_ANYSRC even for sockets. It looks safe
because the initial routing allowed this source address to
be used and now we just have to make sure the packet is rerouted.

As a side effect this also allows rerouting for normal
raw sockets that use spoofed source addresses which was not possible
even before we eliminated the ip_route_input call.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agonet: Make userland include of netlink.h more sane.
David S. Miller [Mon, 8 Aug 2011 05:48:07 +0000 (22:48 -0700)]
net: Make userland include of netlink.h more sane.

Currently userland will barf when including linux/netlink.h unless it
precisely includes sys/socket.h first.  The issue is where the
definition of "sa_family_t" comes from.

We've been back and forth on how to fix this issue in the past, see:

http://thread.gmane.org/gmane.linux.debian.devel.bugs.general/622621
http://thread.gmane.org/gmane.linux.network/143380

Ben Hutchings suggested we take a hint from how we handle the
sockaddr_storage type.  First we define a "__kernel_sa_family_t"
to linux/socket.h that is always defined.

Then if __KERNEL__ is defined, we also define "sa_family_t" as
equal to "__kernel_sa_family_t".

Then in places like linux/netlink.h we use __kernel_sa_family_t
in user visible datastructures.

Reported-by: Michel Machado <michel@digirati.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>
13 years agoipv4: Fix ip_getsockopt for IP_PKTOPTIONS
Daniel Baluta [Mon, 8 Aug 2011 05:31:07 +0000 (22:31 -0700)]
ipv4: Fix ip_getsockopt for IP_PKTOPTIONS

IP_PKTOPTIONS is broken for 32-bit applications running
in COMPAT mode on 64-bit kernels.

This happens because msghdr's msg_flags field is always
set to zero. When running in COMPAT mode this should be
set to MSG_CMSG_COMPAT instead.

Signed-off-by: Tiberiu Szocs-Mihai <tszocs@ixiacom.com>
Signed-off-by: Daniel Baluta <dbaluta@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>