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2011-03-24ipv4: Fix nexthop caching wrt. scoping.David S. Miller
Move the scope value out of the fib alias entries and into fib_info, so that we always use the correct scope when recomputing the nexthop cached source address. Reported-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-24Merge branch 'slab/urgent' of ↵Linus Torvalds
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: Write to per cpu data when allocating it slub: Fix debugobjects with lockless fastpath
2011-03-24lib, arch: add filter argument to show_mem and fix private implementationsDavid Rientjes
Commit ddd588b5dd55 ("oom: suppress nodes that are not allowed from meminfo on oom kill") moved lib/show_mem.o out of lib/lib.a, which resulted in build warnings on all architectures that implement their own versions of show_mem(): lib/lib.a(show_mem.o): In function `show_mem': show_mem.c:(.text+0x1f4): multiple definition of `show_mem' arch/sparc/mm/built-in.o:(.text+0xd70): first defined here The fix is to remove __show_mem() and add its argument to show_mem() in all implementations to prevent this breakage. Architectures that implement their own show_mem() actually don't do anything with the argument yet, but they could be made to filter nodes that aren't allowed in the current context in the future just like the generic implementation. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Reported-by: James Bottomley <James.Bottomley@hansenpartnership.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-24ipv4: Invalidate nexthop cache nh_saddr more correctly.David S. Miller
Any operation that: 1) Brings up an interface 2) Adds an IP address to an interface 3) Deletes an IP address from an interface can potentially invalidate the nh_saddr value, requiring it to be recomputed. Perform the recomputation lazily using a generation ID. Reported-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-24Merge branch 'drm-core-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/vblank: update recently added vbl interface to be more future proof. drm radeon: Return -EINVAL on wrong pm sysfs access drm/radeon/kms: fix hardcoded EDID handling Revert "drm/i915: Don't save/restore hardware status page address register" drm/i915: Avoid unmapping pages from a NULL address space drm/i915: Fix use after free within tracepoint drm/i915: Restore missing command flush before interrupt on BLT ring drm/i915: Disable pagefaults along execbuffer relocation fast path drm/i915: Fix computation of pitch for dumb bo creator drm/i915: report correct render clock frequencies on SNB drm/i915/dp: Correct the order of deletion for ghost eDP devices drm/i915: Fix tiling corruption from pipelined fencing drm/i915: Re-enable self-refresh drm/i915: Prevent racy removal of request from client list drm/i915: skip redundant operations whilst enabling pipes and planes drm/i915: Remove surplus POSTING_READs before wait_for_vblank drm/radeon/kms: prefer legacy pll algo for tv-out drm: check for modesetting on modeset ioctls drm/kernel: vblank wait on crtc > 1 drm: Fix use-after-free in drm_gem_vm_close()
2011-03-24RDMA/nes: Fix test of uninitialized netdevRoland Dreier
Commit 1765a575334f ("net: make dev->master general") introduced a test of an uninitialized netdev. Fix the code so the intended netdev is tested. Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-03-24sparc32: Fix multiple RTC detections on SUN4DKjetil Oftedal
During the preparation for testing the recent changes made to the SUN4D specific code in the kernel by Sam Ravnborg the following was discovered: Since the removal of of_platform_bus_type (commit: eca3930163ba8884060ce9d9ff5ef0d9b7c7b00f ) multiboard SUN4Ds have not been able to boot. The kernel crashes due to a zero-pointer error encountered when registering multiple M48T59 RTCs (There is one on each board). A patch for the was previously submitted, but the problem was not a serious at that time, as it would only generate warnings. Now the kernel will crash and stop executing before the serial console has been started. (Crash output can be viewed by using the -p boot flag) Signed-off-by: Kjetil Oftedal <oftedal@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-24net: fix pch_gbe section mismatch warningRandy Dunlap
Fix section mismatch warning by renaming the pci_driver variable to a recognized (whitelisted) name. WARNING: drivers/net/pch_gbe/pch_gbe.o(.data+0x1f8): Section mismatch in reference from the variable pch_gbe_pcidev to the variable .devinit.rodata:pch_gbe_pcidev_id The variable pch_gbe_pcidev references the variable __devinitconst pch_gbe_pcidev_id If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-25gpio: Fold irq_set_chip/irq_set_handler to irq_set_chip_and_handlerThomas Gleixner
Converted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> LKML-Reference: <20110324212509.118888535@linutronix.de>
2011-03-25gpio: Cleanup genirq namespaceThomas Gleixner
Converted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> LKML-Reference: <20110324212509.025730689@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-25arm: ep93xx: Add basic interrupt infoRyan Mallon
For the time being can we fix up the ep93xx gpio code with the amended patch below. It keeps the information that the pin is also configured as an interrupt and cleans the code up a bit. [ tglx: Rebased it on the removal patch ] Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-25arm/gpio: Remove three copies of broken and racy debug codeThomas Gleixner
gpiolib plus two gpio implementations in arm fiddle in the guts of irq_desc in a racy and buggy way. Remove the stuff. I already told the gpio folks that we can provide that information in a proper way if necessary. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca> LKML-Reference: <20110324212508.931638262@linutronix.de>
2011-03-25Merge branch 'viafb-next' of git://github.com/schandinat/linux-2.6Paul Mundt
2011-03-24x86: DT: Cleanup namespace and call irq_set_irq_type() unconditionalThomas Gleixner
That call escaped the name space cleanup. Fix it up. We really want to call there. The chip might have changed since the irq was setup initially. So let the core code and the chip decide what to do. The status is just an unreliable snapshot. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-03-24x86: DT: Fix return condition in irq_create_of_mapping()Thomas Gleixner
The xlate() function returns 0 or a negative error code. Returning the error code blindly will be seen as an huge irq number by the calling function because irq_create_of_mapping() returns an unsigned value. Return 0 (NO_IRQ) as required. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2011-03-24Merge branch 'nfs-for-2.6.39' into nfs-for-nextTrond Myklebust
2011-03-24Cleanup XDR parsing for LAYOUTGET, GETDEVICEINFOWeston Andros Adamson
changes LAYOUTGET and GETDEVICEINFO XDR parsing to: - not use vmap, which doesn't work on incoherent archs - use xdr_stream parsing for all xdr Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-03-24perf, x86: P4 PMU - Read proper MSR register to catch unflagged overflowsDon Zickus
The read of a proper MSR register was missed and instead of counter the configration register was tested (it has ARCH_P4_UNFLAGGED_BIT always cleared) leading to unknown NMI hitting the system. As result the user may obtain "Dazed and confused, but trying to continue" message. Fix it by reading a proper MSR register. When an NMI happens on a P4, the perf nmi handler checks the configuration register to see if the overflow bit is set or not before taking appropriate action. Unfortunately, various P4 machines had a broken overflow bit, so a backup mechanism was implemented. This mechanism checked to see if the counter rolled over or not. A previous commit that implemented this backup mechanism was broken. Instead of reading the counter register, it used the configuration register to determine if the counter rolled over or not. Reading that bit would give incorrect results. This would lead to 'Dazed and confused' messages for the end user when using the perf tool (or if the nmi watchdog is running). The fix is to read the counter register before determining if the counter rolled over or not. Signed-off-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Lin Ming <ming.m.lin@intel.com> LKML-Reference: <4D8BAB49.3080701@openvz.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-03-24Bluetooth: Fix warning with hci_cmd_timerThomas Gleixner
After we made debugobjects working again, we got the following: WARNING: at lib/debugobjects.c:262 debug_print_object+0x8e/0xb0() Hardware name: System Product Name ODEBUG: free active (active state 0) object type: timer_list hint: hci_cmd_timer+0x0/0x60 Pid: 2125, comm: dmsetup Tainted: G W 2.6.38-06707-gc62b389 #110375 Call Trace: [<ffffffff8104700a>] warn_slowpath_common+0x7a/0xb0 [<ffffffff810470b6>] warn_slowpath_fmt+0x46/0x50 [<ffffffff812d3a5e>] debug_print_object+0x8e/0xb0 [<ffffffff81bd8810>] ? hci_cmd_timer+0x0/0x60 [<ffffffff812d4685>] debug_check_no_obj_freed+0x125/0x230 [<ffffffff810f1063>] ? check_object+0xb3/0x2b0 [<ffffffff810f3630>] kfree+0x150/0x190 [<ffffffff81be4d06>] ? bt_host_release+0x16/0x20 [<ffffffff81be4d06>] bt_host_release+0x16/0x20 [<ffffffff813a1907>] device_release+0x27/0xa0 [<ffffffff812c519c>] kobject_release+0x4c/0xa0 [<ffffffff812c5150>] ? kobject_release+0x0/0xa0 [<ffffffff812c61f6>] kref_put+0x36/0x70 [<ffffffff812c4d37>] kobject_put+0x27/0x60 [<ffffffff813a21f7>] put_device+0x17/0x20 [<ffffffff81bda4f9>] hci_free_dev+0x29/0x30 [<ffffffff81928be6>] vhci_release+0x36/0x70 [<ffffffff810fb366>] fput+0xd6/0x1f0 [<ffffffff810f8fe6>] filp_close+0x66/0x90 [<ffffffff810f90a9>] sys_close+0x99/0xf0 [<ffffffff81d4c96b>] system_call_fastpath+0x16/0x1b That timer was introduced with commit 6bd32326cda(Bluetooth: Use proper timer for hci command timout) Timer seems to be running when the thing is closed. Removing the timer unconditionally fixes the problem. And yes, it needs to be fixed before the HCI_UP check. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-03-24Bluetooth: delete hanging L2CAP channelAndrei Emeltchenko
Sometimes L2CAP connection remains hanging. Make sure that L2CAP channel is deleted. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-03-24Bluetooth: Fix missing hci_dev_lock_bh in user_confirm_replyJohan Hedberg
The code was correctly calling _unlock at the end of the function but there was no actual _lock call anywhere. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-03-24Bluetooth: Fix sending LE data over USBVinicius Costa Gomes
Now that we have support for LE connections, before discarding a frame we must check if there's a LE connection over that transport. Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Acked-by: Ville Tervo <ville.tervo@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-03-24Bluetooth: Fix HCI_RESET command synchronizationGustavo F. Padovan
We can't send new commands before a cmd_complete for the HCI_RESET command shows up. Reported-by: Mikko Vinni <mmvinni@yahoo.com> Reported-by: Justin P. Mattock <justinmattock@gmail.com> Reported-by: Ed Tomlinson <edt@aei.ca> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi> Tested-by: Justin P. Mattock <justinmattock@gmail.com> Tested-by: Mikko Vinni <mmvinni@yahoo.com> Tested-by: Ed Tomlinson <edt@aei.ca>
2011-03-24Bluetooth: Increment unacked_frames count only the first transmitSuraj Sumangala
This patch lets 'l2cap_pinfo.unacked_frames' be incremented only the first time a frame is transmitted. Previously it was being incremented for retransmitted packets too resulting the value to cross the transmit window size. Signed-off-by: Suraj Sumangala <suraj@atheros.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-03-24Bluetooth: add support for Apple MacBook Pro 8,2Marc-Antoine Perennou
Just adding the vendor details makes it work fine. Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
2011-03-24SLUB: Write to per cpu data when allocating itChristoph Lameter
It turns out that the cmpxchg16b emulation has to access vmalloced percpu memory with interrupts disabled. If the memory has never been touched before then the fault necessary to establish the mapping will not to occur and the kernel will fail on boot. Fix that by reusing the CONFIG_PREEMPT code that writes the cpu number into a field on every cpu. Writing to the per cpu area before causes the mapping to be established before we get to a cmpxchg16b emulation. Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-03-24NFSv4.1 convert layoutcommit sync to booleanAndy Adamson
Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-03-24NFSv4.1 pnfs_layoutcommit_inode fixesAndy Adamson
Test NFS_INO_LAYOUTCOMMIT before kzalloc Mark inode dirty to retry LAYOUTCOMMIT on kzalloc failure. Add comments. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-03-24xtensa: Use generic show_interrupts()Thomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24xtensa: Convert genirq namespaceThomas Gleixner
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24xtensa: Use generic IRQ Kconfig and set GENERIC_HARDIRQS_NO_DEPRECATEDThomas Gleixner
All chips converted. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> LKML-Reference: <20110206211137.849317253@linutronix.de>
2011-03-24xtensa: Convert s6000 gpio irq_chip to new functionsThomas Gleixner
Also use proper wrappers for irq_desc access. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> LKML-Reference: <20110206211137.750284615@linutronix.de>
2011-03-24xtensa: Convert main irq_chip to new functionsThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> LKML-Reference: <20110206211137.653005586@linutronix.de>
2011-03-24um: Use generic show_interrupts()Thomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24um: Convert genirq namespaceThomas Gleixner
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24m32r: Use generic show_interrupts()Thomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24m32r: Convert genirq namespaceThomas Gleixner
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24h8300: Use generic show_interrupts()Thomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24h8300: Convert genirq namespaceThomas Gleixner
Scripted with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24avr32: Cleanup eic_set_irq_type()Thomas Gleixner
No need to fiddle in irq_desc. The trigger mask can be written back into irq_data. Return IRQ_SET_MASK_OK_NOCOPY, so the generic code wont overwrite it again. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-03-24avr32: Use generic show_interrupts()Thomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-03-24avr: Cleanup genirq namespaceThomas Gleixner
Scripted conversion to new function names with coccinelle. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-03-24avr32: Use generic IRQ config, enable GENERIC_HARDIRQS_NO_DEPRECATEDThomas Gleixner
Use the generic Kconfig for interrupts and enable GENERIC_HARDIRQS_NO_DEPRECATED. All conversions done. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> LKML-Reference: <20110206163009.289833604@linutronix.de>
2011-03-24avr32: At32ap: Convert pop irq_chip to new functionsThomas Gleixner
Also replace the open coded handler call with the proper wrapper. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> LKML-Reference: <20110206163009.190112353@linutronix.de>
2011-03-24avr32: At32ap: Convert intc irq_chip to new functionsThomas Gleixner
Also replace the open coded handler call with the proper wrapper. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> LKML-Reference: <20110206163009.096308633@linutronix.de>
2011-03-24avr32: At32ap: Convert extint irq_chip to new functionsThomas Gleixner
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> LKML-Reference: <20110206163008.996220791@linutronix.de>
2011-03-24slub: Fix debugobjects with lockless fastpathThomas Gleixner
On Thu, 24 Mar 2011, Ingo Molnar wrote: > RIP: 0010:[<ffffffff810570a9>] [<ffffffff810570a9>] get_next_timer_interrupt+0x119/0x260 That's a typical timer crash, but you were unable to debug it with debugobjects because commit d3f661d6 broke those. Cc: Christoph Lameter <cl@linux.com> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Pekka Enberg <penberg@kernel.org>
2011-03-24autofs4: Do not potentially dereference NULL pointer returned by fget() in ↵Jesper Juhl
autofs_dev_ioctl_setpipefd() In fs/autofs4/dev-ioctl.c::autofs_dev_ioctl_setpipefd() we call fget(), which may return NULL, but we do not explicitly test for that NULL return so we may end up dereferencing a NULL pointer - bad. When I originally submitted this patch I had chosen EBUSY as the return value to use if this happens. Ian Kent was kind enough to explain why that would most likely be wrong and why EBADF should most likely be used instead. This version of the patch uses EBADF. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-24autofs4 - remove autofs4_lockIan Kent
The autofs4_lock introduced by the rcu-walk changes has unnecessarily broad scope. The locking is better handled by the per-autofs super block lookup_lock. Signed-off-by: Ian Kent <raven@themaw.net> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-03-24autofs4 - fix d_manage() return on rcu-walkIan Kent
The daemon never needs to block and, in the rcu-walk case an error return isn't used, so always return zero. Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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