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2010-10-07Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds2-4/+9
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: elevator: fix oops on early call to elevator_change()
2010-10-07Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds2-5/+8
* 'for-linus' of git://neil.brown.name/md: md: check return code of read_sb_page md/raid1: minor bio initialisation improvements. md/raid1: avoid overflow in raid1 resync when bitmap is in use.
2010-10-07Merge branch 'drm-fixes' of ↵Linus Torvalds6-17/+75
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: don't drop handle reference on unload drm/ttm: Fix two race conditions + fix busy codepaths
2010-10-07Merge branch 'for-linus' of ↵Linus Torvalds3-11/+22
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - fix runtime PM related deadlock Input: joydev - fix JSIOCSAXMAP ioctl Input: uinput - setup MT usage during device creation
2010-10-07Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfsLinus Torvalds1-5/+14
* 'for-linus' of git://oss.sgi.com/xfs/xfs: xfs: properly account for reclaimed inodes
2010-10-07Merge branch 'v4l_for_linus' of ↵Linus Torvalds35-144/+271
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (37 commits) V4L/DVB: v4l: radio: si470x: fix unneeded free_irq() call V4L/DVB: v4l: videobuf: prevent passing a NULL to dma_free_coherent() V4L/DVB: ir-core: Fix null dereferences in the protocols sysfs interface V4L/DVB: v4l: s5p-fimc: Fix 3-planar formats handling and pixel offset error on S5PV210 SoCs V4L/DVB: v4l: s5p-fimc: Fix return value on probe() failure V4L/DVB: uvcvideo: Restrict frame rates for Chicony CNF7129 webcam V4L/DVB: uvcvideo: Fix support for Medion Akoya All-in-one PC integrated webcam V4L/DVB: ivtvfb: prevent reading uninitialized stack memory V4L/DVB: cx25840: Fix typo in volume control initialization: 65335 vs. 65535 V4L/DVB: v4l: mem2mem_testdev: add missing release for video_device V4L/DVB: v4l: mem2mem_testdev: fix errorenous comparison V4L/DVB: mt9v022.c: Fixed compilation warning V4L/DVB: mt9m111: added current colorspace at g_fmt V4L/DVB: mt9m111: cropcap and s_crop check if type is VIDEO_CAPTURE V4L/DVB: mx2_camera: fix a race causing NULL dereference V4L/DVB: tm6000: bugfix data handling V4L/DVB: gspca - sn9c20x: Bad transfer size of Bayer images V4L/DVB: videobuf-dma-sg: set correct size in last sg element V4L/DVB: cx231xx: Avoid an OOPS when card is unknown (card=0) V4L/DVB: dvb: fix smscore_getbuffer() logic ...
2010-10-07Merge branch 'i2c-for-linus' of ↵Linus Torvalds10-44/+48
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: of/i2c: Fix module load order issue caused by of_i2c.c i2c: Fix checks which cause legacy suspend to never get called i2c-pca: Fix waitforcompletion() return value i2c: Fix for suspend/resume issue i2c: Remove obsolete cleanup for clientdata
2010-10-07sysctl: fix min/max handling in __do_proc_doulongvec_minmax()Eric Dumazet1-1/+1
When proc_doulongvec_minmax() is used with an array of longs, and no min/max check requested (.extra1 or .extra2 being NULL), we dereference a NULL pointer for the second element of the array. Noticed while doing some changes in network stack for the "16TB problem" Fix is to not change min & max pointers in __do_proc_doulongvec_minmax(), so that all elements of the vector share an unique min/max limit, like proc_dointvec_minmax(). [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Americo Wang <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07MAINTAINERS: add Samsung S5P series FIMC maintainersKyungmin Park1-0/+10
Add Samsung S5P series FIMC(Camera Interface) maintainers. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07MAINTAINERS: Haavard has movedAndrew Morton1-1/+1
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07memcg: fix thresholds with use_hierarchy == 1Kirill A. Shutemov1-3/+7
We need to check parent's thresholds if parent has use_hierarchy == 1 to be sure that parent's threshold events will be triggered even if parent itself is not active (no MEM_CGROUP_EVENTS). Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07mm: alloc_large_system_hash() printk overflow on 16TB bootRobin Holt1-2/+2
During boot of a 16TB system, the following is printed: Dentry cache hash table entries: -2147483648 (order: 22, 17179869184 bytes) Signed-off-by: Robin Holt <holt@sgi.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-07elevator: fix oops on early call to elevator_change()Jens Axboe2-4/+9
2.6.36 introduces an API for drivers to switch the IO scheduler instead of manually calling the elevator exit and init functions. This API was added since q->elevator must be cleared in between those two calls. And since we already have this functionality directly from use by the sysfs interface to switch schedulers online, it was prudent to reuse it internally too. But this API needs the queue to be in a fully initialized state before it is called, or it will attempt to unregister elevator kobjects before they have been added. This results in an oops like this: BUG: unable to handle kernel NULL pointer dereference at 0000000000000051 IP: [<ffffffff8116f15e>] sysfs_create_dir+0x2e/0xc0 PGD 47ddfc067 PUD 47c6a1067 PMD 0 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/0000:04:00.1/irq CPU 2 Modules linked in: t(+) loop hid_apple usbhid ahci ehci_hcd uhci_hcd libahci usbcore nls_base igb Pid: 7319, comm: modprobe Not tainted 2.6.36-rc6+ #132 QSSC-S4R/QSSC-S4R RIP: 0010:[<ffffffff8116f15e>] [<ffffffff8116f15e>] sysfs_create_dir+0x2e/0xc0 RSP: 0018:ffff88027da25d08 EFLAGS: 00010246 RAX: ffff88047c68c528 RBX: 00000000fffffffe RCX: 0000000000000000 RDX: 000000000000002f RSI: 000000000000002f RDI: ffff88047e196c88 RBP: ffff88027da25d38 R08: 0000000000000000 R09: d84156c5635688c0 R10: d84156c5635688c0 R11: 0000000000000000 R12: ffff88047e196c88 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88047c68c528 FS: 00007fcb0b26f6e0(0000) GS:ffff880287400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000051 CR3: 000000047e76e000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process modprobe (pid: 7319, threadinfo ffff88027da24000, task ffff88027d377090) Stack: ffff88027da25d58 ffff88047c68c528 00000000fffffffe ffff88047e196c88 <0> ffff88047c68c528 ffff88047e05bd90 ffff88027da25d78 ffffffff8123fb77 <0> ffff88047e05bd90 0000000000000000 ffff88047e196c88 ffff88047c68c528 Call Trace: [<ffffffff8123fb77>] kobject_add_internal+0xe7/0x1f0 [<ffffffff8123fd98>] kobject_add_varg+0x38/0x60 [<ffffffff8123feb9>] kobject_add+0x69/0x90 [<ffffffff8116efe0>] ? sysfs_remove_dir+0x20/0xa0 [<ffffffff8103d48d>] ? sub_preempt_count+0x9d/0xe0 [<ffffffff8143de20>] ? _raw_spin_unlock+0x30/0x50 [<ffffffff8116efe0>] ? sysfs_remove_dir+0x20/0xa0 [<ffffffff8116eff4>] ? sysfs_remove_dir+0x34/0xa0 [<ffffffff81224204>] elv_register_queue+0x34/0xa0 [<ffffffff81224aad>] elevator_change+0xfd/0x250 [<ffffffffa007e000>] ? t_init+0x0/0x361 [t] [<ffffffffa007e000>] ? t_init+0x0/0x361 [t] [<ffffffffa007e0a8>] t_init+0xa8/0x361 [t] [<ffffffff810001de>] do_one_initcall+0x3e/0x170 [<ffffffff8108c3fd>] sys_init_module+0xbd/0x220 [<ffffffff81002f2b>] system_call_fastpath+0x16/0x1b Code: e5 41 56 41 55 41 54 49 89 fc 53 48 83 ec 10 48 85 ff 74 52 48 8b 47 18 49 c7 c5 00 46 61 81 48 85 c0 74 04 4c 8b 68 30 45 31 f6 <41> 80 7d 51 00 74 0e 49 8b 44 24 28 4c 89 e7 ff 50 20 49 89 c6 RIP [<ffffffff8116f15e>] sysfs_create_dir+0x2e/0xc0 RSP <ffff88027da25d08> CR2: 0000000000000051 ---[ end trace a6541d3bf07945df ]--- Fix this by adding a registered bit to the elevator queue, which is set when the sysfs kobjects have been registered. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-10-07drm: don't drop handle reference on unloadDave Airlie4-4/+1
since the handle references are all tied to a file_priv, and when it disappears all the handle refs go with it. The fbcon ones we'd only notice on unload, but the nouveau notifier one would would happen on reboot. nouveau: Reported-by: Marc Dionne <marc.c.dionne@gmail.com> nouveau: Tested-by: Marc Dionne <marc.c.dionne@gmail.com> i915 unload: Reported-by: Keith Packard <keithp@keithp.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-10-06xfs: properly account for reclaimed inodesJohannes Weiner1-5/+14
When marking an inode reclaimable, a per-AG counter is increased, the inode is tagged reclaimable in its per-AG tree, and, when this is the first reclaimable inode in the AG, the AG entry in the per-mount tree is also tagged. When an inode is finally reclaimed, however, it is only deleted from the per-AG tree. Neither the counter is decreased, nor is the parent tree's AG entry untagged properly. Since the tags in the per-mount tree are not cleared, the inode shrinker iterates over all AGs that have had reclaimable inodes at one point in time. The counters on the other hand signal an increasing amount of slab objects to reclaim. Since "70e60ce xfs: convert inode shrinker to per-filesystem context" this is not a real issue anymore because the shrinker bails out after one iteration. But the problem was observable on a machine running v2.6.34, where the reclaimable work increased and each process going into direct reclaim eventually got stuck on the xfs inode shrinking path, trying to scan several million objects. Fix this by properly unwinding the reclaimable-state tracking of an inode when it is reclaimed. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Cc: stable@kernel.org Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com>
2010-10-07md: check return code of read_sb_pageVasiliy Kulikov1-4/+5
Function read_sb_page may return ERR_PTR(...). Check for it. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Cc: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NeilBrown <neilb@suse.de>
2010-10-07md/raid1: minor bio initialisation improvements.NeilBrown1-0/+2
When performing a resync we pre-allocate some bios and repeatedly use them. This requires us to re-initialise them each time. One field (bi_comp_cpu) and some flags weren't being initiaised reliably. Signed-off-by: NeilBrown <neilb@suse.de>
2010-10-07md/raid1: avoid overflow in raid1 resync when bitmap is in use.NeilBrown1-1/+1
bitmap_start_sync returns - via a pass-by-reference variable - the number of sectors before we need to check with the bitmap again. Since commit ef4256733506f245 this number can be substantially larger, 2^27 is a common value. Unfortunately it is an 'int' and so when raid1.c:sync_request shifts it 9 places to the left it becomes 0. This results in a zero-length read which the scsi layer justifiably complains about. This patch just removes the shift so the common case becomes safe with a trivially-correct patch. In the next merge window we will convert this 'int' to a 'sector_t' Reported-by: "George Spelvin" <linux@horizon.com> Signed-off-by: NeilBrown <neilb@suse.de>
2010-10-06Linux 2.6.36-rc7v2.6.36-rc7Linus Torvalds1-1/+1
2010-10-06Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds28-57/+125
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: MIPS: Octeon: Place cnmips_cu2_setup in __init memory. MIPS: Don't place cu2 notifiers in __cpuinitdata MIPS: Calculate VMLINUZ_LOAD_ADDRESS based on the length of vmlinux.bin MIPS: Alchemy: Resolve prom section mismatches MIPS: Fix syscall 64 bit number comments. MIPS: Hookup fanotify_init, fanotify_mark, and prlimit64 syscalls. MIPS: TX49xx: Rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN MIPS: N32: Fix getdents64 syscall for n32 MIPS: Remove pr_<level> uses of KERN_<level> MIPS: PNX8550: Sort out machine halt, restart and powerdown functions. MIPS: GIC: Remove dependencies from Malta files. MIPS: Kconfig: Fix and clarify kconfig help text for VSMP and SMTC. MIPS: DMA: Fix computation of DMA flags from device's coherent_dma_mask. MIPS: Audit: Fix hang in entry.S. MIPS: Document why RELOC_HIDE is there. MIPS: Octeon: Determine if helper needs to be built MIPS: Use generic atomic64 for 32-bit kernels MIPS: RM7000: Symbol should be static MIPS: kspd: Adjust confusing if indentation MIPS: Fix a typo.
2010-10-06Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds1-15/+4
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: writeback: always use sb->s_bdi for writeback purposes
2010-10-06Merge branch 'v2.6.36-rc6-urgent-fixes' of ↵Linus Torvalds2-5/+9
git://xenbits.xen.org/people/sstabellini/linux-pvhvm * 'v2.6.36-rc6-urgent-fixes' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm: xen: do not initialize PV timers on HVM if !xen_have_vector_callback xen: do not set xenstored_ready before xenbus_probe on hvm
2010-10-06Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: Initialize total_len in fuse_retrieve()
2010-10-05powerpc: remove unused variableStephen Rothwell1-1/+0
Since powerpc uses -Werror on arch powerpc, the build was broken like this: cc1: warnings being treated as errors arch/powerpc/kernel/module.c: In function 'module_finalize': arch/powerpc/kernel/module.c:66: error: unused variable 'err' Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-06drm/ttm: Fix two race conditions + fix busy codepathsThomas Hellstrom2-13/+74
This fixes a race pointed out by Dave Airlie where we don't take a buffer object about to be destroyed off the LRU lists properly. It also fixes a rare case where a buffer object could be destroyed in the middle of an accelerated eviction. The patch also adds a utility function that can be used to prematurely release GPU memory space usage of an object waiting to be destroyed. For example during eviction or swapout. The above mentioned commit didn't queue the buffer on the delayed destroy list under some rare circumstances. It also didn't completely honor the remove_all parameter. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=615505 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591061 Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-10-05Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds2-4/+15
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: rcu_read_lock_bh_held(): disabling irqs also disables bh generic-ipi: Fix deadlock in __smp_call_function_single
2010-10-05Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds6-7/+15
git://git.kernel.org/pub/scm/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 trace scripting: Fix extern struct definitions perf ui hist browser: Fix segfault on 'a' for annotate perf tools: Fix build breakage perf, x86: Handle in flight NMIs on P4 platform oprofile, ARM: Release resources on failure oprofile: Add Support for Intel CPU Family 6 / Model 29
2010-10-05wait: using uninitialized member of wait queueEvgeny Kuznetsov1-0/+1
The "flags" member of "struct wait_queue_t" is used in several places in the kernel code without beeing initialized by init_wait(). "flags" is used in bitwise operations. If "flags" not initialized then unexpected behaviour may take place. Incorrect flags might used later in code. Added initialization of "wait_queue_t.flags" with zero value into "init_wait". Signed-off-by: Evgeny Kuznetsov <EXT-Eugeny.Kuznetsov@nokia.com> [ The bit we care about does end up being initialized by both prepare_to_wait() and add_to_wait_queue(), so this doesn't seem to cause actual bugs, but is definitely the right thing to do -Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-05modules: Fix module_bug_list list corruption raceLinus Torvalds11-26/+14
With all the recent module loading cleanups, we've minimized the code that sits under module_mutex, fixing various deadlocks and making it possible to do most of the module loading in parallel. However, that whole conversion totally missed the rather obscure code that adds a new module to the list for BUG() handling. That code was doubly obscure because (a) the code itself lives in lib/bugs.c (for dubious reasons) and (b) it gets called from the architecture-specific "module_finalize()" rather than from generic code. Calling it from arch-specific code makes no sense what-so-ever to begin with, and is now actively wrong since that code isn't protected by the module loading lock any more. So this commit moves the "module_bug_{finalize,cleanup}()" calls away from the arch-specific code, and into the generic code - and in the process protects it with the module_mutex so that the list operations are now safe. Future fixups: - move the module list handling code into kernel/module.c where it belongs. - get rid of 'module_bug_list' and just use the regular list of modules (called 'modules' - imagine that) that we already create and maintain for other reasons. Reported-and-tested-by: Thomas Gleixner <tglx@linutronix.de> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Adrian Bunk <bunk@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-05xen: do not initialize PV timers on HVM if !xen_have_vector_callbackStefano Stabellini1-2/+3
if !xen_have_vector_callback do not initialize PV timer unconditionally because we still don't know how many cpus are available and if there is more than one we won't be able to receive the timer interrupts on cpu > 0. This patch fixes an hang at boot when Xen does not support vector callbacks and the guest has multiple vcpus. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
2010-10-05xen: do not set xenstored_ready before xenbus_probe on hvmStefano Stabellini1-3/+6
Register_xenstore_notifier should guarantee that the caller gets notified even if xenstore is already up. Therefore we revert "do not notify callers from register_xenstore_notifier" and set xenstored_read at the right time for PV on HVM guests too. In fact in case of PV on HVM guests xenstored is ready only after the platform pci driver has completed the initialization, so do not set xenstored_ready before the call to xenbus_probe(). This patch fixes a shutdown_event watcher registration bug that causes "xm shutdown" not to work properly. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
2010-10-04Input: wacom - fix runtime PM related deadlockDmitry Torokhov1-11/+12
When runtime PM is enabled by default for input devices, X hangs in wacom open: [<ffffffff814a00ea>] mutex_lock+0x1a/0x40 [<ffffffffa02bc94b>] wacom_resume+0x3b/0x90 [wacom] [<ffffffff81327a32>] usb_resume_interface+0xd2/0x190 [<ffffffff81327b5d>] usb_resume_both+0x6d/0x110 [<ffffffff81327c24>] usb_runtime_resume+0x24/0x40 [<ffffffff8130a2cf>] __pm_runtime_resume+0x26f/0x450 [<ffffffff8130a23a>] __pm_runtime_resume+0x1da/0x450 [<ffffffff8130a53a>] pm_runtime_resume+0x2a/0x50 [<ffffffff81328176>] usb_autopm_get_interface+0x26/0x60 [<ffffffffa02bc626>] wacom_open+0x36/0x90 [wacom] wacom_open() takes wacom->lock and calls usb_autopm_get_interface(), which in turn calls wacom_resume() which tries to acquire the lock again. The fix is to call usb_autopm_get_interface() first, before we take the lock. Since we do not do usb_autopm_put_interface() until wacom_close() is called runtime PM is effectively disabled for the driver, however changing it now would risk regressions so the complete fix will have to wait till the next merge window. Reported-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-10-04Merge branch 'for-linus' of ↵Linus Torvalds2-3/+5
git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: regulator: max8649 - fix setting extclk_freq regulator: fix typo in current units regulator: fix device_register() error handling
2010-10-04Merge branch 'merge-powerpc' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds3-6/+13
* 'merge-powerpc' of git://git.secretlab.ca/git/linux-2.6: powerpc/5200: tighten up ac97 reset timing powerpc/5200: efika.c: Add of_node_put to avoid memory leak powerpc/512x: fix clk_get() return value
2010-10-04Merge branch 'fix/misc' of ↵Linus Torvalds2-1/+6
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'fix/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: i2c/other/ak4xx-adda: Fix a compile warning with CONFIG_PROCFS=n ALSA: prevent heap corruption in snd_ctl_new()
2010-10-04Merge branch 'hwmon-for-linus' of ↵Linus Torvalds1-13/+19
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: hwmon: f71882fg: use a muxed resource lock for the Super I/O port
2010-10-04Merge branch 'fixes' of ↵Linus Torvalds1-6/+12
git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Fix memory leaks in pcc_cpufreq_do_osc [CPUFREQ] acpi-cpufreq: add missing __percpu markup
2010-10-04Merge branch 'merge-spi' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds3-3/+14
* 'merge-spi' of git://git.secretlab.ca/git/linux-2.6: of/spi: Fix OF-style driver binding of spi devices spi: spi-gpio.c tests SPI_MASTER_NO_RX bit twice, but not SPI_MASTER_NO_TX spi/mpc8xxx: fix buffer overrun on large transfers
2010-10-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds8-35/+32
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: vlan: dont drop packets from unknown vlans in promiscuous mode Phonet: Correct header retrieval after pskb_may_pull um: Proper Fix for f25c80a4: remove duplicate structure field initialization ip_gre: Fix dependencies wrt. ipv6. net-2.6: SYN retransmits: Add new parameter to retransmits_timed_out() iwl3945: queue the right work if the scan needs to be aborted mac80211: fix use-after-free
2010-10-04Merge branch 'drm-intel-fixes' of ↵Linus Torvalds6-83/+96
git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel * 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel: drm/i915: Rephrase pwrite bounds checking to avoid any potential overflow drm/i915: Sanity check pread/pwrite drm/i915: Use pipe state to tell when pipe is off drm/i915: vblank status not valid while training display port drivers/gpu/drm/i915/i915_gem.c: Add missing error handling code drm/i915: Fix refleak during eviction. drm/i915: fix GMCH power reporting
2010-10-04ksm: fix bad user data when swappingHugh Dickins1-2/+4
Building under memory pressure, with KSM on 2.6.36-rc5, collapsed with an internal compiler error: typically indicating an error in swapping. Perhaps there's a timing issue which makes it now more likely, perhaps it's just a long time since I tried for so long: this bug goes back to KSM swapping in 2.6.33. Notice how reuse_swap_page() allows an exclusive page to be reused, but only does SetPageDirty if it can delete it from swap cache right then - if it's currently under Writeback, it has to be left in cache and we don't SetPageDirty, but the page can be reused. Fine, the dirty bit will get set in the pte; but notice how zap_pte_range() does not bother to transfer pte_dirty to page_dirty when unmapping a PageAnon. If KSM chooses to share such a page, it will look like a clean copy of swapcache, and not be written out to swap when its memory is needed; then stale data read back from swap when it's needed again. We could fix this in reuse_swap_page() (or even refuse to reuse a page under writeback), but it's more honest to fix my oversight in KSM's write_protect_page(). Several days of testing on three machines confirms that this fixes the issue they showed. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-04ksm: fix page_address_in_vma anon_vma oopsHugh Dickins1-1/+7
2.6.36-rc1 commit 21d0d443cdc1658a8c1484fdcece4803f0f96d0e "rmap: resurrect page_address_in_vma anon_vma check" was right to resurrect that check; but now that it's comparing anon_vma->roots instead of just anon_vmas, there's a danger of oopsing on a NULL anon_vma. In most cases no NULL anon_vma ever gets here; but it turns out that occasionally KSM, when enabled on a forked or forking process, will itself call page_address_in_vma() on a "half-KSM" page left over from an earlier failed attempt to merge - whose page_anon_vma() is NULL. It's my bug that those should be getting here at all: I thought they were already dealt with, this oops proves me wrong, I'll fix it in the next release - such pages are effectively pinned until their process exits, since rmap cannot find their ptes (though swapoff can). For now just work around it by making page_address_in_vma() safe (and add a comment on why that check is wanted anyway). A similar check in __page_check_anon_rmap() is safe because do_page_add_anon_rmap() already excluded KSM pages. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-04MIPS: Octeon: Place cnmips_cu2_setup in __init memory.David Daney1-1/+1
It is an early_initcall, so it should be in __init memory. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1593/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: Don't place cu2 notifiers in __cpuinitdataDavid Daney1-1/+1
The notifiers may be called at any time, so the notifier_block cannot be in init memory. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1592/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: Calculate VMLINUZ_LOAD_ADDRESS based on the length of vmlinux.binShmulik Ladkani1-1/+1
Fix VMLINUZ_LOAD_ADDRESS calculation to be based on the length of vmlinux.bin, the actual uncompressed kernel binary. Previously it was based on the length of KBUILD_IMAGE (the unstripped ELF vmlinux), which is bigger than vmlinux.bin. As a result, vmlinuz was loaded into a memory address higher then actually needed - a problem for small memory platforms. Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com> To: linux-mips@linux-mips.org Cc: alex@digriz.org.uk Cc: manuel.lauss@googlemail.com Cc: sam@ravnborg.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1564/ Acked-by: Wu Zhangjin <wuzhangjin@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: Alchemy: Resolve prom section mismatchesManuel Lauss1-3/+2
The function prom_init_cmdline() references the variable __initdata arcs_cmdline. The function prom_get_ethernet_addr() references the variable __initdata arcs_cmdline. Annotate prom_init_cmdline() as __init, unexport and annotate prom_get_ethernet_addr() since it's no longer called from within driver code. Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com> To: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/1547/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: Fix syscall 64 bit number comments.Ralf Baechle1-2/+2
Noticed and original patch by Philby John <pjohn@mvista.com>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: Hookup fanotify_init, fanotify_mark, and prlimit64 syscalls.David Daney6-9/+37
Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/1553/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: TX49xx: Rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGNFUJITA Tomonori1-1/+1
Architectures need to set ARCH_DMA_MINALIGN to the minimum DMA alignment (commit a6eb9fe105d5de0053b261148cee56c94b4720ca). Defining ARCH_KMALLOC_MINALIGN doesn't work anymore. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: anemo@mba.ocn.ne.jp Patchwork: https://patchwork.linux-mips.org/patch/1544/ Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-04MIPS: N32: Fix getdents64 syscall for n32Bernhard Walle1-1/+1
Commit 31c984a5acabea5d8c7224dc226453022be46f33 introduced a new syscall getdents64. However, in the syscall table, the new syscall still refers to the old getdents which doesn't work. The problem appeared with a system that uses the eglibc 2.12-r11187 (that utilizes that new syscall) is very confused. The fix has been tested with that eglibc version. Signed-off-by: Bernhard Walle <walle@corscience.de> To: linux-mips@linux-mips.org Cc: ddaney@caviumnetworks.com Cc: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1567/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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