8 years agodcbnl: make get_app handling symmetric for IEEE and CEE DCBx
John Fastabend [Fri, 21 Jan 2011 16:35:18 +0000]
dcbnl: make get_app handling symmetric for IEEE and CEE DCBx

The IEEE get/set app handlers use generic routines and do not
require the net_device to implement the dcbnl_ops routines. This
patch makes it symmetric so user space and drivers do not have
to handle the CEE version and IEEE DCBx versions differently.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agoMerge branch 'can/at91_can-for-net-2.6' of git://git.pengutronix.de/git/mkl/linux-2.6
David S. Miller [Mon, 24 Jan 2011 23:16:11 +0000]
Merge branch 'can/at91_can-for-net-2.6' of git://git.pengutronix.de/git/mkl/linux-2.6

8 years agotcp: fix bug in listening_get_next()
Eric Dumazet [Mon, 24 Jan 2011 22:41:20 +0000]
tcp: fix bug in listening_get_next()

commit a8b690f98baf9fb19 (tcp: Fix slowness in read /proc/net/tcp)
introduced a bug in handling of SYN_RECV sockets.

st->offset represents number of sockets found since beginning of
listening_hash[st->bucket].

We should not reset st->offset when iterating through
syn_table[st->sbucket], or else if more than ~25 sockets (if
PAGE_SIZE=4096) are in SYN_RECV state, we exit from listening_get_next()
with a too small st->offset

Next time we enter tcp_seek_last_pos(), we are not able to seek past
already found sockets.

Reported-by: PK <runningdoglackey@yahoo.com>
CC: Tom Herbert <therbert@google.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agoinetpeer: Use correct AVL tree base pointer in inet_getpeer().
David S. Miller [Mon, 24 Jan 2011 22:37:46 +0000]
inetpeer: Use correct AVL tree base pointer in inet_getpeer().

Family was hard-coded to AF_INET but should be daddr->family.

This fixes crashes when unlinking ipv6 peer entries, since the
unlink code was looking up the base pointer properly.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agoGRO: fix merging a paged skb after non-paged skbs
Michal Schmidt [Mon, 24 Jan 2011 12:08:48 +0000]
GRO: fix merging a paged skb after non-paged skbs

Suppose that several linear skbs of the same flow were received by GRO. They
were thus merged into one skb with a frag_list. Then a new skb of the same flow
arrives, but it is a paged skb with data starting in its frags[].

Before adding the skb to the frag_list skb_gro_receive() will of course adjust
the skb to throw away the headers. It correctly modifies the page_offset and
size of the frag, but it leaves incorrect information in the skb:
 ->data_len is not decreased at all.
 ->len is decreased only by headlen, as if no change were done to the frag.
Later in a receiving process this causes skb_copy_datagram_iovec() to return
-EFAULT and this is seen in userspace as the result of the recv() syscall.

In practice the bug can be reproduced with the sfc driver. By default the
driver uses an adaptive scheme when it switches between using
napi_gro_receive() (with skbs) and napi_gro_frags() (with pages). The bug is
reproduced when under rx load with enough successful GRO merging the driver
decides to switch from the former to the latter.

Manual control is also possible, so reproducing this is easy with netcat:
 - on machine1 (with sfc): nc -l 12345 > /dev/null
 - on machine2: nc machine1 12345 < /dev/zero
 - on machine1:
   echo 1 > /sys/module/sfc/parameters/rx_alloc_method  # use skbs
   echo 2 > /sys/module/sfc/parameters/rx_alloc_method  # use pages
 - See that nc has quit suddenly.

[v2: Modified by Eric Dumazet to avoid advancing skb->data past the end
     and to use a temporary variable.]

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
David S. Miller [Mon, 24 Jan 2011 21:17:06 +0000]
Merge branch 'master' of /linux/kernel/git/torvalds/linux-2.6

8 years agonet: arp_ioctl() must hold RTNL
Eric Dumazet [Mon, 24 Jan 2011 21:16:16 +0000]
net: arp_ioctl() must hold RTNL

Commit 941666c2e3e0 "net: RCU conversion of dev_getbyhwaddr() and
arp_ioctl()" introduced a regression, reported by Jamie Heilman.
"arp -Ds 192.168.2.41 eth0 pub" triggered the ASSERT_RTNL() assert
in pneigh_lookup()

Removing RTNL requirement from arp_ioctl() was a mistake, just revert
that part.

Reported-by: Jamie Heilman <jamie@audible.transient.net>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agofix a shutdown regression in intel_idle
Shaohua Li [Mon, 24 Jan 2011 08:00:01 +0000]
fix a shutdown regression in intel_idle

Fix a shutdown regression caused by 2a2d31c8dc6f ("intel_idle: open
broadcast clock event").  The clockevent framework can automatically
shutdown broadcast timers for hotremove CPUs.  And we get a shutdown
regression when we shutdown broadcast timer for hot remove CPU, so just
delete some code.

Also fix some section mismatch.

Reported-by: Ari Savolainen <ari.m.savolainen@gmail.com>
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agoMerge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 24 Jan 2011 19:29:49 +0000]
Merge branch 'omap-fixes-for-linus' of git://git./linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  omap: DMA: clear interrupt status correctly
  OMAP3: Devkit8000: Fix tps65930 pullup/pulldown configuration
  arm: omap3: cm-t3517: minor comment fix
  arm: omap3: cm-t3517: rtc fix
  omap1: Fix sched_clock implementation when both MPU timer and 32K timer are used
  omap1: Fix booting for 15xx and 730 with omap1_defconfig
  omap1: Fix sched_clock for the MPU timer
  OMAP: PRCM: remove duplicated headers
  OMAP4: clockdomain: bypass unimplemented wake-up dependency functions on OMAP4
  OMAP: counter_32k: init clocksource as part of machine timer init

8 years agoMerge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 24 Jan 2011 19:26:47 +0000]
Merge branch 'perf-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools: Fix time function double declaration with glibc
  perf tools: Fix build by checking if extra warnings are supported
  perf tools: Fix build when using gcc 3.4.6
  perf tools: Add missing header, fixes build
  perf tools: Fix 64 bit integer format strings
  perf test: Fix build on older glibcs
  perf: perf_event_exit_task_context: s/rcu_dereference/rcu_dereference_raw/
  perf test: Use cpu_map->[cpu] when setting affinity
  perf symbols: Fix annotation of thumb code
  perf: Annotate cpuctx->ctx.mutex to avoid a lockdep splat
  powerpc, perf: Fix frequency calculation for overflowing counters (FSL version)
  perf: Fix perf_event_init_task()/perf_event_free_task() interaction
  perf: Fix find_get_context() vs perf_event_exit_task() race

8 years agoMerge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 24 Jan 2011 19:25:55 +0000]
Merge branch 'timers-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  RTC: Remove Kconfig symbol for UIE emulation
  RTC: Properly handle rtc_read_alarm error propagation and fix bug
  RTC: Propagate error handling via rtc_timer_enqueue properly
  acpi_pm: Clear pmtmr_ioport if acpi_pm initialization fails
  rtc: Cleanup removed UIE emulation declaration
  hrtimers: Notify hrtimer users of switches to NOHZ mode

8 years agoMerge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Mon, 24 Jan 2011 19:25:13 +0000]
Merge branch 'sched-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Fix poor interactivity on UP systems due to group scheduler nice tune bug

8 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Mon, 24 Jan 2011 19:24:12 +0000]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: Fix jump label with RO/NX module protection crash
  x86, hotplug: Fix powersavings with offlined cores on AMD
  x86, mcheck, therm_throt.c: Export symbol platform_thermal_notify to allow coretemp to handler intr
  x86: Use asm-generic/cacheflush.h
  x86: Update CPU cache attributes table descriptors

8 years agocan: at91_can: make can_id of mailbox 0 configurable
Marc Kleine-Budde [Mon, 10 Jan 2011 19:44:22 +0000]
can: at91_can: make can_id of mailbox 0 configurable

Due to a chip bug (errata 50.2.6.3 & 50.3.5.3 in
"AT91SAM9263 Preliminary 6249H-ATARM-27-Jul-09") the contents of mailbox
0 may be send under certain conditions (even if disabled or in rx mode).

The workaround in the errata suggests not to use the mailbox and load it
with an unused identifier.

This patch implements the second part of the workaround. A sysfs entry
"mb0_id" is introduced. While the interface is down it can be used to
configure the can_id of mailbox 0. The default value id 0x7ff.

In order to use an extended can_id add the CAN_EFF_FLAG (0x80000000U)
to the can_id. Example:

- standard id 0x7ff:
echo 0x7ff      > /sys/class/net/can0/mb0_id

- extended id 0x1fffffff:
echo 0x9fffffff > /sys/class/net/can0/mb0_id

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
For the Documentation-part:
Acked-by: Wolfram Sang <w.sang@pengutronix.de>

8 years agocan: at91_can: don't use mailbox 0
Marc Kleine-Budde [Sun, 9 Jan 2011 21:46:25 +0000]
can: at91_can: don't use mailbox 0

Due to a chip bug (errata 50.2.6.3 & 50.3.5.3 in
"AT91SAM9263 Preliminary 6249H-ATARM-27-Jul-09") the contents of mailbox
0 may be send under certain conditions (even if disabled or in rx mode).

The workaround in the errata suggests not to use the mailbox and load it
with a unused identifier.

This patch implements the first part of the workaround, it updates
AT91_MB_RX_NUM and AT91_MB_RX_FIRST (and the inline documentation)
so that mailbox 0 stays unused.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be>

8 years agocan: at91_can: clean up usage of AT91_MB_RX_FIRST and AT91_MB_RX_NUM
Marc Kleine-Budde [Thu, 6 Jan 2011 08:58:42 +0000]
can: at91_can: clean up usage of AT91_MB_RX_FIRST and AT91_MB_RX_NUM

This patch cleans up the usage of two macros which specify the mailbox
usage. AT91_MB_RX_FIRST and AT91_MB_RX_NUM define the first and the
number of RX mailboxes. The current driver uses these variables in an
unclean way; assuming that AT91_MB_RX_FIRST is 0;

This patch cleans up the usage of these macros, no longer assuming
AT91_MB_RX_FIRST == 0.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>

8 years agosched: Fix poor interactivity on UP systems due to group scheduler nice tune bug
Yong Zhang [Mon, 24 Jan 2011 07:33:52 +0000]
sched: Fix poor interactivity on UP systems due to group scheduler nice tune bug

Michael Witten and Christian Kujau reported that the autogroup
scheduling feature hurts interactivity on their UP systems.

It turns out that this is an older bug in the group scheduling code,
and the wider appeal provided by the autogroup feature exposed it
more prominently.

When on UP with FAIR_GROUP_SCHED enabled, tune shares
only affect tg->shares, but is not reflected in
tg->se->load. The reason is that update_cfs_shares()
does nothing on UP.

So introduce update_cfs_shares() for UP && FAIR_GROUP_SCHED.

This issue was found when enable autogroup scheduling was enabled,
but it is an older bug that also exists on cgroup.cpu on UP.

Reported-and-Tested-by: Michael Witten <mfwitten@gmail.com>
Reported-and-Tested-by: Christian Kujau <christian@nerdbynature.de>
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Pekka Enberg <penberg@kernel.org>
Acked-by: Mike Galbraith <efault@gmx.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <20110124073352.GA24186@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 years agoMerge branch 'BUG_ON' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux...
Linus Torvalds [Mon, 24 Jan 2011 09:58:39 +0000]
Merge branch 'BUG_ON' of git://git./linux/kernel/git/rusty/linux-2.6-for-linus

* 'BUG_ON' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  Remove MAYBE_BUILD_BUG_ON
  BUILD_BUG_ON: make it handle more cases

8 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
Linus Torvalds [Mon, 24 Jan 2011 09:57:43 +0000]
Merge git://git./linux/kernel/git/rusty/linux-2.6-for-linus

* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  module: fix missing semicolons in MODULE macro usage
  param: add null statement to compiled-in module params
  module: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n
  module: show version information for built-in modules in sysfs

8 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
Linus Torvalds [Mon, 24 Jan 2011 09:56:47 +0000]
Merge branch 'for-linus' of git://git./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:
  selinux: return -ENOMEM when memory allocation fails
  tpm: fix panic caused by "tpm: Autodetect itpm devices"
  TPM: Long default timeout fix
  trusted keys: Fix a memory leak in trusted_update().
  keys: add trusted and encrypted maintainers
  encrypted-keys: rename encrypted_defined files to encrypted
  trusted-keys: rename trusted_defined files to trusted

8 years agoRemove MAYBE_BUILD_BUG_ON
Rusty Russell [Mon, 24 Jan 2011 20:45:10 +0000]
Remove MAYBE_BUILD_BUG_ON

Now BUILD_BUG_ON() can handle optimizable constants, we don't need
MAYBE_BUILD_BUG_ON any more.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

8 years agoBUILD_BUG_ON: make it handle more cases
Rusty Russell [Mon, 24 Jan 2011 20:45:10 +0000]
BUILD_BUG_ON: make it handle more cases

BUILD_BUG_ON used to use the optimizer to do code elimination or fail
at link time; it was changed to first the size of a negative array (a
nicer compile time error), then (in
8c87df457cb58fe75b9b893007917cf8095660a0) to a bitfield.

This forced us to change some non-constant cases to MAYBE_BUILD_BUG_ON();
as Jan points out in that commit, it didn't work as intended anyway.

bitfields: needs a literal constant at parse time, and can't be put under
"if (__builtin_constant_p(x))" for example.
negative array: can handle anything, but if the compiler can't tell it's
a constant, silently has no effect.
link time: breaks link if the compiler can't determine the value, but the
linker output is not usually as informative as a compiler error.

If we use the negative-array-size method *and* the link time trick,
we get the ability to use BUILD_BUG_ON() under __builtin_constant_p()
branches, and maximal ability for the compiler to detect errors at
build time.

We also document it thoroughly.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Jan Beulich <JBeulich@novell.com>
Acked-by: Hollis Blanchard <hollisb@us.ibm.com>

8 years agomodule: fix missing semicolons in MODULE macro usage
Rusty Russell [Mon, 24 Jan 2011 20:32:52 +0000]
module: fix missing semicolons in MODULE macro usage

You always needed them when you were a module, but the builtin versions
of the macros used to be more lenient.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

8 years agoparam: add null statement to compiled-in module params
Linus Walleij [Wed, 5 Jan 2011 12:27:04 +0000]
param: add null statement to compiled-in module params

Add an unused struct declaration statement requiring a
terminating semicolon to the compile-in case to provoke an
error if __MODULE_INFO() is used without the terminating
semicolon. Previously MODULE_ALIAS("foo") (no semicolon)
compiled fine if MODULE was not selected.

Cc: Dan Carpenter <error27@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

8 years agomodule: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n
Rusty Russell [Mon, 24 Jan 2011 20:32:51 +0000]
module: fix linker error for MODULE_VERSION when !MODULE and CONFIG_SYSFS=n

lib/built-in.o:(__modver+0x8): undefined reference to `__modver_version_show'
lib/built-in.o:(__modver+0x2c): undefined reference to `__modver_version_show'

Simplest to just not emit anything: if they've disabled SYSFS they probably
want the smallest kernel possible.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

8 years agomodule: show version information for built-in modules in sysfs
Dmitry Torokhov [Wed, 15 Dec 2010 22:00:19 +0000]
module: show version information for built-in modules in sysfs

Currently only drivers that are built as modules have their versions
shown in /sys/module/<module_name>/version, but this information might
also be useful for built-in drivers as well. This especially important
for drivers that do not define any parameters - such drivers, if
built-in, are completely invisible from userspace.

This patch changes MODULE_VERSION() macro so that in case when we are
compiling built-in module, version information is stored in a separate
section. Kernel then uses this data to create 'version' sysfs attribute
in the same fashion it creates attributes for module parameters.

Signed-off-by: Dmitry Torokhov <dtor@vmware.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

8 years agoselinux: return -ENOMEM when memory allocation fails
Davidlohr Bueso [Fri, 21 Jan 2011 15:28:04 +0000]
selinux: return -ENOMEM when memory allocation fails

Return -ENOMEM when memory allocation fails in cond_init_bool_indexes,
correctly propagating error code to caller.

Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agotpm: fix panic caused by "tpm: Autodetect itpm devices"
Olof Johansson [Fri, 7 Jan 2011 03:24:01 +0000]
tpm: fix panic caused by "tpm: Autodetect itpm devices"

commit 3f0d3d016d89a5efb8b926d4707eb21fa13f3d27 adds a check for
PNP device id to the common tpm_tis_init() function, which in some
cases (force=1) will be called without the device being a member of
a pnp_dev. Oopsing and panics ensue.

Move the test up to before the call to tpm_tis_init(), since it
just modifies a global variable anyway.

Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agoTPM: Long default timeout fix
Rajiv Andrade [Fri, 12 Nov 2010 21:30:02 +0000]
TPM: Long default timeout fix

If duration variable value is 0 at this point, it's because
chip->vendor.duration wasn't filled by tpm_get_timeouts() yet.
This patch sets then the lowest timeout just to give enough
time for tpm_get_timeouts() to further succeed.

This fix avoids long boot times in case another entity attempts
to send commands to the TPM when the TPM isn't accessible.

Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agotrusted keys: Fix a memory leak in trusted_update().
Jesper Juhl [Sun, 23 Jan 2011 21:40:42 +0000]
trusted keys: Fix a memory leak in trusted_update().

One failure path in security/keys/trusted.c::trusted_update() does
not free 'new_p' while the others do. This patch makes sure we also free
it in the remaining path (if datablob_parse() returns different from
Opt_update).

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agokeys: add trusted and encrypted maintainers
Mimi Zohar [Tue, 18 Jan 2011 14:07:13 +0000]
keys: add trusted and encrypted maintainers

Add myself and David Safford as maintainers for trusted/encrypted keys.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agoencrypted-keys: rename encrypted_defined files to encrypted
Mimi Zohar [Tue, 18 Jan 2011 14:07:12 +0000]
encrypted-keys: rename encrypted_defined files to encrypted

Rename encrypted_defined.c and encrypted_defined.h files to encrypted.c and
encrypted.h, respectively. Based on request from David Howells.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agotrusted-keys: rename trusted_defined files to trusted
Mimi Zohar [Tue, 18 Jan 2011 14:07:11 +0000]
trusted-keys: rename trusted_defined files to trusted

Rename trusted_defined.c and trusted_defined.h files to trusted.c and
trusted.h, respectively. Based on request from David Howells.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <jmorris@namei.org>

8 years agox86: Fix jump label with RO/NX module protection crash
matthieu castet [Sun, 23 Jan 2011 14:45:52 +0000]
x86: Fix jump label with RO/NX module protection crash

If we use jump table in module init, there are marked
as removed in __jump_table section after init is done.

But we already applied ro permissions on the module, so
we can't modify a read only section (crash in
remove_jump_label_module_init).

Make the __jump_table section rw.

Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr>
Cc: Xiaotian Feng <xtfeng@gmail.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Siarhei Liakh <sliakh.lkml@gmail.com>
Cc: Xuxian Jiang <jiang@cs.ncsu.edu>
Cc: James Morris <jmorris@namei.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dave Jones <davej@redhat.com>
Cc: Kees Cook <kees.cook@canonical.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <4D3C3F20.7030203@free.fr>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 years agofs: fix new dcache.c kernel-doc warnings
Randy Dunlap [Sun, 23 Jan 2011 04:16:06 +0000]
fs: fix new dcache.c kernel-doc warnings

Fix new fs/dcache.c kernel-doc warnings:

  Warning(fs/dcache.c:184): No description found for parameter 'dentry'
  Warning(fs/dcache.c:296): No description found for parameter 'parent'
  Warning(fs/dcache.c:1985): No description found for parameter 'dparent'
  Warning(fs/dcache.c:1985): Excess function parameter 'parent' description in 'd_validate'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Nick Piggin <npiggin@kernel.dk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agorapidio: fix new kernel-doc warnings
Randy Dunlap [Sun, 23 Jan 2011 04:16:12 +0000]
rapidio: fix new kernel-doc warnings

Fix new rapidio kernel-doc warnings:

  Warning(drivers/rapidio/rio-scan.c:953): No description found for parameter 'prev'
  Warning(drivers/rapidio/rio-scan.c:953): No description found for parameter 'prev_port'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agodocbook: fix broken serial to tty/serial movement
Randy Dunlap [Sun, 23 Jan 2011 03:50:03 +0000]
docbook: fix broken serial to tty/serial movement

Fix move of drivers/serial/ to drivers/tty/, where it broke
one of the docbook files:

  docproc: drivers/serial/serial_core.c: No such file or directory

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agoperf tools: Fix time function double declaration with glibc
Thomas Renninger [Fri, 21 Jan 2011 14:30:09 +0000]
perf tools: Fix time function double declaration with glibc

It's enough to include the local "debug.h" file to trigger it.

man time reveals this is already declared in glibc:

time - get time in seconds
-> rename the variable.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: arjan@infradead.org
LPU-Reference: <1295620209-13859-2-git-send-email-trenn@suse.de>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoperf tools: Fix build by checking if extra warnings are supported
Arnaldo Carvalho de Melo [Sat, 22 Jan 2011 21:29:53 +0000]
perf tools: Fix build by checking if extra warnings are supported

The -Wstack-protector and -Wvolatile-register-var warnings, for
instance, are not supported by gcc 3.4.6.

So fix by doing the same check we already do for -fstack-protector-all.

With this and the other patches in this series, perf builds unmodified
on, for instance, RHEL4.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoperf tools: Fix build when using gcc 3.4.6
Arnaldo Carvalho de Melo [Sat, 22 Jan 2011 21:12:38 +0000]
perf tools: Fix build when using gcc 3.4.6

[acme@localhost linux]$ make O=~acme/git/build/perf -C tools/perf
make: Entering directory `/home/acme/git/linux/tools/perf'
Makefile:526: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev
Makefile:582: newt not found, disables TUI support. Please install newt-devel or libnewt-dev
CC /home/acme/git/build/perf/builtin-annotate.o
In file included from builtin-annotate.c:23:
util/parse-events.h:26: warning: declaration of 'evsel_list' shadows a global declaration
util/parse-events.h:12: warning: shadowed declaration is here
make: *** [/home/acme/git/build/perf/builtin-annotate.o] Error 1
make: Leaving directory `/home/acme/git/linux/tools/perf'
[acme@localhost linux]$ gcc --version | head -1
gcc (GCC) 3.4.6 20060404 (Red Hat 3.4.6-11)
[acme@localhost linux]$

Fix it by renaming the parameter to evlist.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoperf tools: Add missing header, fixes build
Arnaldo Carvalho de Melo [Sat, 22 Jan 2011 21:07:36 +0000]
perf tools: Add missing header, fixes build

We need the definiton for __always_inline in bitops.h to fix the build
on distros where it isn't available or compiler.h doesn't get included
indirectly.

One of the fixes needed to build perf on RHEL4 systems, for instance.

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoperf tools: Fix 64 bit integer format strings
Arnaldo Carvalho de Melo [Sat, 22 Jan 2011 22:37:02 +0000]
perf tools: Fix 64 bit integer format strings

Using %L[uxd] has issues in some architectures, like on ppc64.  Fix it
by making our 64 bit integers typedefs of stdint.h types and using
PRI[ux]64 like, for instance, git does.

Reported by Denis Kirjanov that provided a patch for one case, I went
and changed all cases.

Reported-by: Denis Kirjanov <dkirjanov@kernel.org>
Tested-by: Denis Kirjanov <dkirjanov@kernel.org>
LKML-Reference: <20110120093246.GA8031@hera.kernel.org>
Cc: Denis Kirjanov <dkirjanov@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Pingtian Han <phan@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoperf test: Fix build on older glibcs
Arnaldo Carvalho de Melo [Sun, 23 Jan 2011 01:14:20 +0000]
perf test: Fix build on older glibcs

Where we don't have CPU_ALLOC & friends. As the tools are being used in older
distros where the only allowed change are to replace the kernel, like RHEL4 and
5.

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoMerge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme...
Ingo Molnar [Sat, 22 Jan 2011 10:08:52 +0000]
Merge branch 'perf/urgent' of git://git./linux/kernel/git/acme/linux-2.6 into perf/urgent

8 years agocan: add driver for Softing card
Kurt Van Dijck [Tue, 11 Jan 2011 04:34:28 +0000]
can: add driver for Softing card

This patch adds the driver that creates a platform:softing device
from a pcmcia_device
Note: the Kconfig indicates a dependency on the softing.ko driver,
but this is purely to make configuration intuitive. This driver will
work independent, but no CAN network devices appear until softing.ko is
loaded too.

Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agocan: add driver for Softing card
Kurt Van Dijck [Tue, 11 Jan 2011 04:32:31 +0000]
can: add driver for Softing card

This patch adds a driver for the platform:softing device.
This will create (up to) 2 CAN network devices from 1
platform:softing device

Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agoLinux 2.6.38-rc2
Linus Torvalds [Sat, 22 Jan 2011 03:01:34 +0000]
Linux 2.6.38-rc2

8 years agox86, hotplug: Fix powersavings with offlined cores on AMD
Borislav Petkov [Thu, 20 Jan 2011 14:42:52 +0000]
x86, hotplug: Fix powersavings with offlined cores on AMD

ea53069231f9317062910d6e772cca4ce93de8c8 made a CPU use monitor/mwait
when offline. This is not the optimal choice for AMD wrt to powersavings
and we'd prefer our cores to halt (i.e. enter C1) instead. For this, the
same selection whether to use monitor/mwait has to be used as when we
select the idle routine for the machine.

With this patch, offlining cores 1-5 on a X6 machine allows core0 to
boost again.

[ hpa: putting this in urgent since it is a (power) regression fix ]

Reported-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: stable@kernel.org # 37.x
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Venkatesh Pallipadi <venki@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.hl>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
LKML-Reference: <1295534572-10730-1-git-send-email-bp@amd64.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

8 years agoMerge branch 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Sat, 22 Jan 2011 00:50:31 +0000]
Merge branch 'media_fixes' of git://git./linux/kernel/git/mchehab/linux-2.6

* 'media_fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (101 commits)
  [media] staging/lirc: fix mem leaks and ptr err usage
  [media] hdpvr: reduce latency of i2c read/write w/recycled buffer
  [media] hdpvr: enable IR part
  [media] rc/mceusb: timeout should be in ns, not us
  [media] v4l2-device: fix 'use-after-freed' oops
  [media] v4l2-dev: don't memset video_device.dev
  [media] zoran: use video_device_alloc instead of kmalloc
  [media] w9966: zero device state after a detach
  [media] v4l: Fix a use-before-set in the control framework
  [media] v4l: Include linux/videodev2.h in media/v4l2-ctrls.h
  [media] DocBook/v4l: update V4L2 revision and update copyright years
  [media] DocBook/v4l: fix validation error in dev-rds.xml
  [media] v4l2-ctrls: queryctrl shouldn't attempt to replace V4L2_CID_PRIVATE_BASE IDs
  [media] v4l2-ctrls: fix missing 'read-only' check
  [media] pvrusb2: Provide more information about IR units to lirc_zilog and ir-kbd-i2c
  [media] ir-kbd-i2c: Add back defaults setting for Zilog Z8's at addr 0x71
  [media] lirc_zilog: Update TODO.lirc_zilog
  [media] lirc_zilog: Add Andy Walls to copyright notice and authors list
  [media] lirc_zilog: Remove useless struct i2c_driver.command function
  [media] lirc_zilog: Remove unneeded tests for existence of the IR Tx function
  ...

8 years agoatm: idt77105: fix fetch_stats() result
Vasiliy Kulikov [Sat, 22 Jan 2011 00:24:23 +0000]
atm: idt77105: fix fetch_stats() result

copy_to_user() used PRIV(dev)->stats instead of local stats variable.
Zero stats were returned to user in case of (zero != 0), also memcpy()
was pointless.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 years agoKEYS: Fix up comments in key management code
David Howells [Thu, 20 Jan 2011 16:38:33 +0000]
KEYS: Fix up comments in key management code

Fix up comments in the key management code.  No functional changes.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agoKEYS: Do some style cleanup in the key management code.
David Howells [Thu, 20 Jan 2011 16:38:27 +0000]
KEYS: Do some style cleanup in the key management code.

Do a bit of a style clean up in the key management code.  No functional
changes.

Done using:

  perl -p -i -e 's!^/[*]*/\n!!' security/keys/*.c
  perl -p -i -e 's!} /[*] end [a-z0-9_]*[(][)] [*]/\n!}\n!' security/keys/*.c
  sed -i -s -e ": next" -e N -e 's/^\n[}]$/}/' -e t -e P -e 's/^.*\n//' -e "b next" security/keys/*.c

To remove /*****/ lines, remove comments on the closing brace of a
function to name the function and remove blank lines before the closing
brace of a function.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6
Linus Torvalds [Fri, 21 Jan 2011 21:44:07 +0000]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  cifs: fix up CIFSSMBEcho for unaligned access
  cifs: fix unaligned accesses in cifsConvertToUCS
  cifs: clean up unaligned accesses in cifs_unicode.c
  cifs: fix unaligned access in check2ndT2 and coalesce_t2
  cifs: clean up unaligned accesses in validate_t2
  cifs: use get/put_unaligned functions to access ByteCount
  cifs: move time field in cifsInodeInfo
  cifs: TCP_Server_Info diet
  CIFS: Implement cifs_strict_readv (try #4)
  CIFS: Implement cifs_file_strict_mmap (try #2)
  CIFS: Implement cifs_strict_fsync
  CIFS: Make cifsFileInfo_put work with strict cache mode

8 years agoMerge branch 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Linus Torvalds [Fri, 21 Jan 2011 21:43:21 +0000]
Merge branch 'fixes-2.6.38' of git://git./linux/kernel/git/tj/percpu

* 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu:
  x86,percpu: Move out of place 64 bit ops into X86_64 section

8 years agoMerge branch 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Linus Torvalds [Fri, 21 Jan 2011 21:38:57 +0000]
Merge branch 'fixes-2.6.38' of git://git./linux/kernel/git/tj/wq

* 'fixes-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: note the nested NOT_RUNNING test in worker_clr_flags() isn't a noop
  workqueue: relax lockdep annotation on flush_work()

8 years agoMerge branch 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 21 Jan 2011 21:38:26 +0000]
Merge branch 'irq-cleanup-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (37 commits)
  um: Use generic irq Kconfig
  tile: Use generic irq Kconfig
  sparc: Use generic irq Kconfig
  score: Use generic irq Kconfig
  powerpc: Use generic irq Kconfig
  parisc: Use generic irq Kconfig
  mn10300: Use generic irq Kconfig
  microblaze: Use generic irq Kconfig
  m68knommu: Use generic irq Kconfig
  ia64: Use generic irq Kconfig
  frv: Use generic irq Kconfig
  blackfin: Use generic irq Kconfig
  alpha: Use generic irq Kconfig
  genirq: Remove __do_IRQ
  m32r: Convert to generic irq Kconfig
  m32r: Convert usrv platform irq handling
  m32r: Convert opsput_lcdpld irq chip
  m32r: Convert opsput lanpld irq chip
  m32r: Convert opsput pld irq chip
  m32r: Convert opsput irq chip
  ...

8 years agoMerge branch 'stable/bug-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Fri, 21 Jan 2011 21:35:10 +0000]
Merge branch 'stable/bug-fixes-rc1' of git://git./linux/kernel/git/konrad/xen

* 'stable/bug-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen: p2m: correctly initialize partial p2m leaf
  xen: fix non-ANSI function warning in irq.c

8 years agoMerge branches 'fixes' and 'fwnet' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Fri, 21 Jan 2011 21:34:39 +0000]
Merge branches 'fixes' and 'fwnet' of git://git./linux/kernel/git/ieee1394/linux1394-2.6

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: core: fix unstable I/O with Canon camcorder

* 'fwnet' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: net: is not experimental anymore
  firewire: net: invalidate ARP entries of removed nodes

8 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
Linus Torvalds [Fri, 21 Jan 2011 21:24:33 +0000]
Merge branch 'for-linus' of git://git./linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
  ALSA: hda - Fix EAPD to low on CZC P10T tablet computer with ALC662
  ALSA: HDA: Add SKU ignore for another Thinkpad Edge 14
  ALSA: hda - Fix "unused variable" compile warning
  ALSA: hda - Add quirk for HP Z-series workstation
  Revert "ALSA: HDA: Create mixers on ALC887"
  ASoC: PXA: Fix codec address on Zipit Z2
  ASoC: PXA: Fix jack detection on Zipit Z2
  ASoC: Blackfin: fix DAI/SPORT config dependency issues
  ASoC: Blackfin TDM: use external frame syncs
  ASoC: Blackfin AC97: fix build error after multi-component update
  ASoC: Blackfin TDM: fix missed snd_soc_dai_get_drvdata update
  ASoC: documentation updates
  ALSA: ice1712 delta - initialize SPI clock

8 years agoMerge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6
Linus Torvalds [Fri, 21 Jan 2011 21:24:16 +0000]
Merge branch 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6

* 'devicetree/merge' of git://git.secretlab.ca/git/linux-2.6:
  powerpc/83xx: fix build failures on dt compatible list.

8 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Fri, 21 Jan 2011 21:23:52 +0000]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (34 commits)
  powerpc/mpic: Fix mask/unmask timeout message
  powerpc/pseries: Add BNX2=m to defconfig
  powerpc: Enable 64kB pages and 1024 threads in pseries config
  powerpc: Disable mcount tracers in pseries defconfig
  powerpc/boot/dts: Install dts from the right directory
  powerpc: machine_check_generic is wrong on 64bit
  powerpc: Check RTAS extended log flag before checking length
  powerpc: Fix corruption when grabbing FWNMI data
  powerpc: Rework pseries machine check handler
  powerpc: Don't silently handle machine checks from userspace
  powerpc: Remove duplicate debugger hook in machine_check_exception
  powerpc: Never halt RTAS error logging after receiving an unrecoverable machine check
  powerpc: Don't force MSR_RI in machine_check_exception
  powerpc: Print 32 bits of DSISR in show_regs
  powerpc/kdump: Disable ftrace during kexec
  powerpc/kdump: Move crash_kexec_stop_spus to kdump crash handler
  powerpc/kexec: Remove empty ppc_md.machine_kexec_prepare
  powerpc/kexec: Don't initialise kexec hooks to default handlers
  powerpc/kdump: Remove ppc_md.machine_crash_shutdown
  powerpc/kexec: Remove ppc_md.machine_kexec
  ...

8 years agoperf: perf_event_exit_task_context: s/rcu_dereference/rcu_dereference_raw/
Oleg Nesterov [Fri, 21 Jan 2011 17:45:47 +0000]
perf: perf_event_exit_task_context: s/rcu_dereference/rcu_dereference_raw/

In theory, almost every user of task->child->perf_event_ctxp[]
is wrong. find_get_context() can install the new context at any
moment, we need read_barrier_depends().

dbe08d82ce3967ccdf459f7951d02589cf967300 "perf: Fix
find_get_context() vs perf_event_exit_task() race" added
rcu_dereference() into perf_event_exit_task_context() to make
the precedent, but this makes __rcu_dereference_check() unhappy.
Use rcu_dereference_raw() to shut up the warning.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: acme@redhat.com
Cc: paulus@samba.org
Cc: stern@rowland.harvard.edu
Cc: a.p.zijlstra@chello.nl
Cc: fweisbec@gmail.com
Cc: roland@redhat.com
Cc: prasad@linux.vnet.ibm.com
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
LKML-Reference: <20110121174547.GA8796@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 years agoperf test: Use cpu_map->[cpu] when setting affinity
Han Pingtian [Thu, 20 Jan 2011 11:47:07 +0000]
perf test: Use cpu_map->[cpu] when setting affinity

When some of CPUs are offline:

 # cat /sys/devices/system/cpu/online
 0,6-31

perf test will fail on #3 testcase:

   3: detect open syscall event on all cpus:
   --- start ---
   perf_evsel__read_on_cpu: expected to intercept 111 calls on cpu 0, got 681
   perf_evsel__read_on_cpu: expected to intercept 112 calls on cpu 1, got 117
   perf_evsel__read_on_cpu: expected to intercept 113 calls on cpu 2, got 118
   perf_evsel__read_on_cpu: expected to intercept 114 calls on cpu 3, got 119
   perf_evsel__read_on_cpu: expected to intercept 115 calls on cpu 4, got 120
   perf_evsel__read_on_cpu: expected to intercept 116 calls on cpu 5, got 121
   perf_evsel__read_on_cpu: expected to intercept 117 calls on cpu 6, got 122
   perf_evsel__read_on_cpu: expected to intercept 118 calls on cpu 7, got 123
   perf_evsel__read_on_cpu: expected to intercept 119 calls on cpu 8, got 124
   perf_evsel__read_on_cpu: expected to intercept 120 calls on cpu 9, got 125
   perf_evsel__read_on_cpu: expected to intercept 121 calls on cpu 10, got 126
   ....

This patch try to use 'cpus->map[cpu]' when setting cpu affinity, and
will check the return code of sched_setaffinity()

LKML-Reference: <20110120114707.GA11781@hpt.nay.redhat.com>
Signed-off-by: Han Pingtian <phan@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agoperf symbols: Fix annotation of thumb code
Dr. David Alan Gilbert [Fri, 21 Jan 2011 16:40:19 +0000]
perf symbols: Fix annotation of thumb code

In ARM's Thumb mode the bottom bit of the symbol address is set to mark
the function as Thumb; the instructions are in reality 2 or 4 byte on 2
byte alignments, and when the +1 address is used in annotate it causes
objdump to disassemble invalid instructions.

The patch removes that bottom bit during symbol loading.

Many thinks to Dave Martin for comments on an initial version of the
patch.

(For reference this corresponds to this bug
https://bugs.launchpad.net/linux-linaro/+bug/677547 )

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Dave Martin <dave.martin@linaro.org>
LKML-Reference: <20110121163922.GA31398@davesworkthinkpad>
Signed-off-by: Dr. David Alan Gilbert <david.gilbert@linaro.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

8 years agomm: System without MMU do not need pte_mkwrite
Michal Simek [Fri, 21 Jan 2011 07:49:56 +0000]
mm: System without MMU do not need pte_mkwrite

The patch "thp: export maybe_mkwrite" (commit 14fd403f2146) breaks
systems without MMU.

Error log:

CC arch/microblaze/mm/init.o
  In file included from include/linux/mman.h:14,
                   from arch/microblaze/mm/consistent.c:24:
  include/linux/mm.h: In function 'maybe_mkwrite':
  include/linux/mm.h:482: error: implicit declaration of function 'pte_mkwrite'
  include/linux/mm.h:482: error: incompatible types in assignment

Signed-off-by: Michal Simek <monstr@monstr.eu>
CC: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agoMAINTAINERS: Update Roland Dreier's email address
Roland Dreier [Fri, 21 Jan 2011 00:23:08 +0000]
MAINTAINERS: Update Roland Dreier's email address

The cisco.com address will stop working soon, and besides no one can
remember the second "d" in "rolandd" or how to spell "rdreier."

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

8 years agoRTC: Remove Kconfig symbol for UIE emulation
Uwe Kleine-König [Fri, 21 Jan 2011 15:56:46 +0000]
RTC: Remove Kconfig symbol for UIE emulation

The effect of changing the value of this symbol is gone since 042620a
(RTC: Remove UIE emulation).

Remove symbol too.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1295625406-15340-1-git-send-email-u.kleine-koenig@pengutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

8 years agoRTC: Properly handle rtc_read_alarm error propagation and fix bug
John Stultz [Thu, 20 Jan 2011 23:26:13 +0000]
RTC: Properly handle rtc_read_alarm error propagation and fix bug

In reviewing cases where the virtualized interfaces didn't propagate
errors properly, I noticed rtc_read_alarm needed fixing. In doing
so I noticed my RTC rework dropped a memset and that the behavior
of rtc_read_alarm shouldn't be conditionalized on the alarm.enabled
flag (as the alarm may be set, but the irqs may be disabled). So
those were corrected as well.

CC: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1295565973-14358-2-git-send-email-john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

8 years agoRTC: Propagate error handling via rtc_timer_enqueue properly
John Stultz [Thu, 20 Jan 2011 23:26:12 +0000]
RTC: Propagate error handling via rtc_timer_enqueue properly

In cases where RTC hardware does not support alarms, the virtualized
RTC interfaces did not have a way to propagate the error up to userland.

This patch extends rtc_timer_enqueue so it catches errors from the hardware
and returns them upwards to the virtualized interfaces. To simplify error
handling, it also internalizes the management of the timer->enabled bit
into rtc_timer_enqueue and rtc_timer_remove.

Also makes rtc_timer_enqueue and rtc_timer_remove static.

Reported-by: David Daney <ddaney@caviumnetworks.com>
Reported-by: Andreas Schwab <schwab@linux-m68k.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diagnosed-by: David Daney <ddaney@caviumnetworks.com>
Tested-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1295565973-14358-1-git-send-email-john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

8 years agoacpi_pm: Clear pmtmr_ioport if acpi_pm initialization fails
Konrad Rzeszutek Wilk [Fri, 14 Jan 2011 17:47:26 +0000]
acpi_pm: Clear pmtmr_ioport if acpi_pm initialization fails

If the acpi pm timer throws invalid data, clear pmtmr_ioport
so the pm timer won't accidentally be used.

This was found when using Xen where there is a acpi pm reported,
but gives bogus values, and other code was continuing to try
to use the pm timer after the initialization failed.

[jstultz: Catch additional failure and reword changelog message. ]

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: John Stultz <johnstul@us.ibm.com>
LKML-Reference: <1295027246-11110-1-git-send-email-johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

8 years agortc: Cleanup removed UIE emulation declaration
John Stultz [Thu, 13 Jan 2011 17:30:49 +0000]
rtc: Cleanup removed UIE emulation declaration

rtc_dev_update_irq_enable_emul was removed in commit
042620a018afcfba1d678062b62e463b9e43a68d (UIE emulation is
now handled via hrtimer), but the declaration was missed.
This patch cleans it up.

Signed-off-by: John Stultz <john.stultz@linaro.org>
LKML-Reference: <1294939849-20608-1-git-send-email-john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

8 years agoxen: p2m: correctly initialize partial p2m leaf
Stefan Bader [Thu, 20 Jan 2011 14:38:23 +0000]
xen: p2m: correctly initialize partial p2m leaf

After changing the p2m mapping to a tree by

  commit 58e05027b530ff081ecea68e38de8d59db8f87e0
    xen: convert p2m to a 3 level tree

and trying to boot a DomU with 615MB of memory, the following crash was
observed in the dump:

kernel direct mapping tables up to 26f00000 @ 1ec4000-1fff000
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<c0107397>] xen_set_pte+0x27/0x60
*pdpt = 0000000000000000 *pde = 0000000000000000

Adding further debug statements showed that when trying to set up
pfn=0x26700 the returned mapping was invalid.

pfn=0x266ff calling set_pte(0xc1fe77f8, 0x6b3003)
pfn=0x26700 calling set_pte(0xc1fe7800, 0x3)

Although the last_pfn obtained from the startup info is 0x26700, which
should in turn not be hit, the additional 8MB which are added as extra
memory normally seem to be ok. This lead to looking into the initial
p2m tree construction, which uses the smaller value and assuming that
there is other code handling the extra memory.

When the p2m tree is set up, the leaves are directly pointed to the
array which the domain builder set up. But if the mapping is not on a
boundary that fits into one p2m page, this will result in the last leaf
being only partially valid. And as the invalid entries are not
initialized in that case, things go badly wrong.

I am trying to fix that by checking whether the current leaf is a
complete map and if not, allocate a completely new page and copy only
the valid pointers there. This may not be the most efficient or elegant
solution, but at least it seems to allow me booting DomUs with memory
assignments all over the range.

BugLink: http://bugs.launchpad.net/bugs/686692
[v2: Redid a bit of commit wording and fixed a compile warning]

Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

8 years agoMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux...
Linus Torvalds [Fri, 21 Jan 2011 15:33:37 +0000]
Merge branch 'for_linus' of git://git./linux/kernel/git/jack/linux-fs-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
  quota: Fix deadlock during path resolution

8 years agoperf: Annotate cpuctx->ctx.mutex to avoid a lockdep splat
Peter Zijlstra [Wed, 19 Jan 2011 11:51:39 +0000]
perf: Annotate cpuctx->ctx.mutex to avoid a lockdep splat

Lockdep spotted:

loop_1b_instruc/1899 is trying to acquire lock:
 (event_mutex){+.+.+.}, at: [<ffffffff810e1908>] perf_trace_init+0x3b/0x2f7

but task is already holding lock:
 (&ctx->mutex){+.+.+.}, at: [<ffffffff810eb45b>] perf_event_init_context+0xc0/0x218

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #3 (&ctx->mutex){+.+.+.}:
-> #2 (cpu_hotplug.lock){+.+.+.}:
-> #1 (module_mutex){+.+...}:
-> #0 (event_mutex){+.+.+.}:

But because the deadlock would be cpuhotplug (cpu-event) vs fork
(task-event) it cannot, in fact, happen. We can annotate this by giving the
perf_event_context used for the cpuctx a different lock class from those
used by tasks.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 years agox86, mcheck, therm_throt.c: Export symbol platform_thermal_notify to allow coretemp...
Fenghua Yu [Fri, 21 Jan 2011 04:12:40 +0000]
x86, mcheck, therm_throt.c: Export symbol platform_thermal_notify to allow coretemp to handler intr

In therm_throt.c, commit
9e76a97efd31a08cb19d0ba12013b8fb4ad3e474 patch doesn't export
the symbol platform_thermal_notify.

Other drivers (e.g. drivers/hwmon/coretemp.c) can not find the
symbol platform_thermal_notify when defining threshould
interrupt handler.

Please apply this patch to allow threshold interrupt handler in
coretemp.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Cc: R Durgadoss <durgadoss.r@intel.com>
Cc: khali@linux-fr.org <khali@linux-fr.org>
Cc: lm-sensors@lm-sensors.org <lm-sensors@lm-sensors.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
LKML-Reference: <20110121041239.GB26954@linux-os.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 years agox86: Use asm-generic/cacheflush.h
Akinobu Mita [Thu, 20 Jan 2011 11:32:14 +0000]
x86: Use asm-generic/cacheflush.h

The implementation of the cache flushing interfaces on the x86
is identical with the default implementation in asm-generic.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: arnd@arndb.de
LKML-Reference: <1295523136-4277-2-git-send-email-akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

8 years agoum: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:46:24 +0000]
um: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jeff Dike <jdike@addtoit.com>

8 years agotile: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:44:43 +0000]
tile: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>

8 years agosparc: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:43:56 +0000]
sparc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: "David S. Miller" <davem@davemloft.net>

8 years agoscore: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:41:19 +0000]
score: Use generic irq Kconfig

No functional change

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Chen Liqin <liqin.chen@sunplusct.com>

8 years agopowerpc: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:39:39 +0000]
powerpc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>

8 years agoparisc: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:38:30 +0000]
parisc: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>

8 years agomn10300: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:36:02 +0000]
mn10300: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Howells <dhowells@redhat.com>

8 years agomicroblaze: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:35:05 +0000]
microblaze: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michal Simek <monstr@monstr.eu>

8 years agom68knommu: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:34:21 +0000]
m68knommu: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg Ungerer <gerg@uclinux.org>

8 years agoia64: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:32:46 +0000]
ia64: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tony Luck <tony.luck@intel.com>

8 years agofrv: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:32:04 +0000]
frv: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: David Howells <dhowells@redhat.com>

8 years agoblackfin: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:29:58 +0000]
blackfin: Use generic irq Kconfig

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mike Frysinger <vapier@gentoo.org>

8 years agoalpha: Use generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 19:27:11 +0000]
alpha: Use generic irq Kconfig

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Henderson <rth@twiddle.net>

8 years agogenirq: Remove __do_IRQ
Thomas Gleixner [Wed, 19 Jan 2011 18:41:35 +0000]
genirq: Remove __do_IRQ

All architectures are finally converted. Remove the cruft.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Michal Simek <monstr@monstr.eu>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Jeff Dike <jdike@addtoit.com>

8 years agom32r: Convert to generic irq Kconfig
Thomas Gleixner [Wed, 19 Jan 2011 18:17:10 +0000]
m32r: Convert to generic irq Kconfig

Use the generic irq Kconfig. Select GENERIC_HARDIRQS_NO_DEPRECATED as
we have converted all irq_chip functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert usrv platform irq handling
Thomas Gleixner [Wed, 19 Jan 2011 18:10:18 +0000]
m32r: Convert usrv platform irq handling

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert opsput_lcdpld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 18:01:23 +0000]
m32r: Convert opsput_lcdpld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert opsput lanpld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:58:45 +0000]
m32r: Convert opsput lanpld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert opsput pld irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:55:09 +0000]
m32r: Convert opsput pld irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert opsput irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:48:15 +0000]
m32r: Convert opsput irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert oaks32r irq chips
Thomas Gleixner [Wed, 19 Jan 2011 17:44:10 +0000]
m32r: Convert oaks32r irq chips

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert mappi3 irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:39:27 +0000]
m32r: Convert mappi3 irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert mappi2 irq chip
Thomas Gleixner [Wed, 19 Jan 2011 17:34:51 +0000]
m32r: Convert mappi2 irq chip

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>

8 years agom32r: Convert mappi irq chips
Thomas Gleixner [Wed, 19 Jan 2011 17:27:59 +0000]
m32r: Convert mappi irq chips

Convert the irq chips to the new functions and use proper flow
handlers. handle_level_irq is appropriate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Paul Mundt <lethal@linux-sh.org>