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2011-02-17ARM: S5P6442: Cleanup map.h fileKukjin Kim1-32/+37
Signed-off-by: Kukjin Kim <[email protected]>
2011-02-17ARM: S5PC100: Clenaup map.h fileKukjin Kim1-110/+83
Signed-off-by: Kukjin Kim <[email protected]>
2011-02-17ARM: S5PV210: Cleanup map.h fileKukjin Kim1-85/+83
Signed-off-by: Kukjin Kim <[email protected]>
2011-02-17ARM: S5PV310: Cleanup map.h fileKukjin Kim1-76/+73
Signed-off-by: Kukjin Kim <[email protected]>
2011-02-17drm/nouveau: fix suspend/resume on GPUs that don't have PM supportBen Skeggs1-1/+1
This has been broken since 2.6.37, and fixes resume on a couple of fermi boards I have access to. Signed-off-by: Ben Skeggs <[email protected]>
2011-02-16Merge branch 'spi/merge' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds1-40/+21
* 'spi/merge' of git://git.secretlab.ca/git/linux-2.6: spi/pxa2xx pci: fix the release - remove race
2011-02-16block: revert block_dev read-only checkChuck Ebbert1-6/+5
This reverts commit 75f1dc0d076d ("block: check bdev_read_only() from blkdev_get()"). That commit added stricter checking to make sure devices that were being used read-only were actually opened in that mode. It turns out that the change breaks a bunch of kernel code that opens block devices. Affected systems include dm, md, and the loop device. Because strict checking for read-only opens of block devices was not done before this, the code that opens the devices was opening them read-write even if they were being used read-only. Auditing all that code will take time, and new userspace packages for dm, mdadm, etc. will also be required. Signed-off-by: Chuck Ebbert <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-02-17drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup()Ben Skeggs1-3/+3
We free the temporary binding before leaving this function, so we also have to wait for the move to actually complete. Signed-off-by: Ben Skeggs <[email protected]>
2011-02-17drm/nv40: fix tiling-related setup for a number of chipsetsBen Skeggs1-19/+27
Due to the default case handling the older chipsets, a bunch of the newer ones ended up having the wrong tiling regs used. This commit switches the default case to handle the newest chipsets. This also makes nv4e touch the "extra" tiling regs. "nv" doesn't touch them for C51 but traces of the NVIDIA binary driver show it being done there. I couldn't find NV41/NV45 traces to confirm the behaviour there, but an educated guess was taken at each of them. Signed-off-by: Ben Skeggs <[email protected]>
2011-02-17drm/nouveau: fix non-EDIDful native mode selectionBen Skeggs1-0/+1
The DRM core fills this value, but at too late a stage for this to work, possibly resulting in an undesirable mode being selected. Signed-off-by: Ben Skeggs <[email protected]>
2011-02-17drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards.Francisco Jerez1-1/+1
Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2011-02-17drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.Francisco Jerez1-9/+3
Reported-by: Alex Buell <[email protected]> Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2011-02-17drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.Francisco Jerez1-3/+4
Reported-by: Alex Buell <[email protected]> Signed-off-by: Francisco Jerez <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
2011-02-16nfsd: correctly handle return value from nfsd_map_name_to_*NeilBrown1-4/+4
These functions return an nfs status, not a host_err. So don't try to convert before returning. This is a regression introduced by 3c726023402a2f3b28f49b9d90ebf9e71151157d; I fixed up two of the callers, but missed these two. Cc: [email protected] Reported-by: Herbert Poetzl <[email protected]> Signed-off-by: NeilBrown <[email protected]> Signed-off-by: J. Bruce Fields <[email protected]>
2011-02-16Btrfs: set FMODE_EXCL in btrfs_device->modeIlya Dryomov1-1/+1
This fixes a bug introduced in d4d77629, where the device added online (and therefore initialized via btrfs_init_new_device()) would be left with the positive bdev->bd_holders after unmount. Since d4d77629 we no longer OR FMODE_EXCL explicitly on blkdev_put(), set it in btrfs_device->mode. Signed-off-by: Ilya Dryomov <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-02-16PM / Hibernate: Return error code when alloc_image_page() failsStanislaw Gruszka1-5/+2
Currently we return 0 in swsusp_alloc() when alloc_image_page() fails. Fix that. Also remove unneeded "error" variable since the only useful value of error is -ENOMEM. [rjw: Fixed up the changelog and changed subject.] Signed-off-by: Stanislaw Gruszka <[email protected]> Cc: [email protected] Signed-off-by: Rafael J. Wysocki <[email protected]>
2011-02-16Btrfs: make btrfs_rm_device() fail gracefullyIlya Dryomov1-2/+9
If shrinking done as part of the online device removal fails add that device back to the allocation list and increment the rw_devices counter. This fixes two bugs: 1) we could have a perfectly good device out of alloc list for no good reason; 2) in the btrfs consisting of two devices, failure in btrfs_rm_device() could lead to a situation where it was impossible to remove any of the devices because of the "unable to remove the only writeable device" error. Signed-off-by: Ilya Dryomov <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-02-16Btrfs: Avoid accessing unmapped kernel addressLi Zefan1-7/+14
When decompressing a chunk of data, we'll copy the data out to a working buffer if the data is stored in more than one page, otherwise we'll use the mapped page directly to avoid memory copy. In the latter case, we'll end up accessing the kernel address after we've unmapped the page in a corner case. Reported-by: Juan Francisco Cantero Hurtado <[email protected]> Signed-off-by: Li Zefan <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-02-16Btrfs: Fix BTRFS_IOC_SUBVOL_SETFLAGS ioctlLi Zefan1-2/+5
- Check user-specified flags correctly - Check the inode owership - Search root item in root tree but not fs tree Reported-by: Dan Rosenberg <[email protected]> Signed-off-by: Li Zefan <[email protected]> Signed-off-by: Chris Mason <[email protected]>
2011-02-16Btrfs: allow balance to explicitly allocate chunks as it relocatesChris Mason3-1/+21
Btrfs device shrinking and balancing ends up reallocating all the blocks in order to allow COW to move them to new destinations. It is somewhat awkward in terms of ENOSPC because most of the enospc code is built around the idea that some operation on a reference counted tree triggers allocations in the non-reference counted trees. This commit changes the balancing code to deal with enospc by trying to allocate a new chunk. If that allocation succeeds, we go ahead and retry whatever failed due to enospc. Signed-off-by: Chris Mason <[email protected]>
2011-02-16Btrfs: put ENOSPC debugging under a mount optionChris Mason3-2/+8
ENOSPC in btrfs is getting to the point where the extra debugging isn't required. I've put it under mount -o enospc_debug just in case someone is having difficult problems. Signed-off-by: Chris Mason <[email protected]>
2011-02-16Bluetooth: Add Atheros BT AR5BBU12 fw supportedCho, Yu-Chen2-0/+6
Add the btusb.c blacklist [0489:e02c] for Atheros AR5BBU12 BT and add to ath3k.c supported this device. Signed-off-by: Cho, Yu-Chen <[email protected]> Signed-off-by: Gustavo F. Padovan <[email protected]>
2011-02-16Bluetooth: Release BTM while sleeping to avoid deadlockVladislav P1-0/+2
Signed-off-by: Vladislav P <[email protected]> Signed-off-by: Gustavo F. Padovan <[email protected]>
2011-02-16Bluetooth: fix crash with quirky dongles doing soundOliver Neukum1-2/+2
Quirky dongles sometimes do not use the iso interface which causes a crash with runtime PM Signed-off-by: Oliver Neukum <[email protected]> Signed-off-by: Gustavo F. Padovan <[email protected]>
2011-02-16workqueue: make sure MAYDAY_INITIAL_TIMEOUT is at least 2 jiffies longTejun Heo1-1/+3
MAYDAY_INITIAL_TIMEOUT is defined as HZ / 100 and depending on configuration may end up 0 or 1. Even when it's 1, depending on when the mayday timer is added in the current jiffy interval, it may expire way before a jiffy has passed. Make sure MAYDAY_INITIAL_TIMEOUT is at least two to guarantee that at least a full jiffy has passed before calling rescuers. Signed-off-by: Tejun Heo <[email protected]> Reported-by: Ray Jui <[email protected]> Cc: [email protected]
2011-02-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds19-1256/+278
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] qla2xxx: Return DID_NO_CONNECT when FC device is lost. [SCSI] mptfusion: Bump version 03.04.18 [SCSI] mptfusion: Fix Incorrect return value in mptscsih_dev_reset [SCSI] mptfusion: mptctl_release is required in mptctl.c [SCSI] target: fix use after free detected by SLUB poison [SCSI] target: Remove procfs based target_core_mib.c code [SCSI] target: Fix SCF_SCSI_CONTROL_SG_IO_CDB breakage [SCSI] target: Fix top-level configfs_subsystem default_group shutdown breakage [SCSI] target: fixed missing lock drop in error path [SCSI] target: Fix demo-mode MappedLUN shutdown UA/PR breakage [SCSI] target/iblock: Fix failed bd claim NULL pointer dereference [SCSI] target: iblock/pscsi claim checking for NULL instead of IS_ERR [SCSI] scsi_debug: Fix 32-bit overflow in do_device_access causing memory corruption [SCSI] qla2xxx: Change from irq to irqsave with host_lock [SCSI] qla2xxx: Fix race that could hang kthread_stop()
2011-02-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds1-0/+1
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: sha-s390 - Reset index after processing partial block
2011-02-16vfs: fix BUG_ON() in fs/namei.c:1461Linus Torvalds1-5/+4
When Al moved the nameidata_dentry_drop_rcu_maybe() call into the do_follow_link function in commit 844a391799c2 ("nothing in do_follow_link() is going to see RCU"), he mistakenly left the BUG_ON(inode != path->dentry->d_inode); behind. Which would otherwise be ok, but that BUG_ON() really needs to be _after_ dropping RCU, since the dentry isn't necessarily stable otherwise. So complete the code movement in that commit, and move the BUG_ON() into do_follow_link() too. This means that we need to pass in 'inode' as an argument (just for this one use), but that's a small thing. And eventually we may be confident enough in our path lookup that we can just remove the BUG_ON() and the unnecessary inode argument. Reported-and-tested-by: Eric Dumazet <[email protected]> Acked-by: Al Viro <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-02-16workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'Tejun Heo17-35/+35
There are two spellings in use for 'freeze' + 'able' - 'freezable' and 'freezeable'. The former is the more prominent one. The latter is mostly used by workqueue and in a few other odd places. Unify the spelling to 'freezable'. Signed-off-by: Tejun Heo <[email protected]> Reported-by: Alan Stern <[email protected]> Acked-by: "Rafael J. Wysocki" <[email protected]> Acked-by: Greg Kroah-Hartman <[email protected]> Acked-by: Dmitry Torokhov <[email protected]> Cc: David Woodhouse <[email protected]> Cc: Alex Dubov <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Steven Whitehouse <[email protected]>
2011-02-16hwmon: (jc42) do not allow writing to locked registersClemens Ladisch2-8/+37
On systems where the temperature sensor is actually used, the BIOS is likely to have locked the alarm registers. In that case, all writes through the corresponding sysfs files would be silently ignored. To prevent this, detect the locks and make the affected sysfs files read-only. Signed-off-by: Clemens Ladisch <[email protected]> Cc: [email protected] Signed-off-by: Guenter Roeck <[email protected]>
2011-02-16hwmon: (jc42) more helpful documentationClemens Ladisch2-7/+13
The documentation lists standard numbers and chip names in excruciating detail, but that's all it does. To help mere mortals in deciding whether to enable this driver, mention what this sensor is for and in which systems it might be found. Also add a link to the actual JC 42.4 specification. Signed-off-by: Clemens Ladisch <[email protected]> Cc: [email protected] Signed-off-by: Guenter Roeck <[email protected]>
2011-02-16hwmon: (jc42) fix type mismatchClemens Ladisch1-1/+1
In set_temp_crit_hyst(), make the variable 'val' have the correct type for strict_strtoul(). Signed-off-by: Clemens Ladisch <[email protected]> Cc: [email protected] Signed-off-by: Guenter Roeck <[email protected]>
2011-02-16perf: Fix throttle logicPeter Zijlstra1-4/+15
It was possible to call pmu::start() on an already running event. In particular this lead so some wreckage as the hrtimer events would re-initialize active timers. This was due to throttled events being activated again by scheduling. Scheduling in a context would add and force start events, resulting in running events with a possible throttle status. The next tick to hit that task will then try to unthrottle the event and call ->start() on an already running event. Reported-by: Jeff Moyer <[email protected]> Cc: <[email protected]> Signed-off-by: Peter Zijlstra <[email protected]> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <[email protected]>
2011-02-16perf, x86: P4 PMU: Fix spurious NMI messagesCyrill Gorcunov2-3/+9
Several people have reported spurious unknown NMI messages on some P4 CPUs. This patch fixes it by checking for an overflow (negative counter values) directly, instead of relying on the P4_CCCR_OVF bit. Reported-by: George Spelvin <[email protected]> Reported-by: Meelis Roos <[email protected]> Reported-by: Don Zickus <[email protected]> Reported-by: Dave Airlie <[email protected]> Signed-off-by: Cyrill Gorcunov <[email protected]> Cc: Lin Ming <[email protected]> Cc: Don Zickus <[email protected]> Cc: Peter Zijlstra <[email protected]> LKML-Reference: <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2011-02-15Linux 2.6.38-rc5Linus Torvalds1-1/+1
2011-02-16md: correctly handle probe of an 'mdp' device.NeilBrown1-0/+3
'mdp' devices are md devices with preallocated device numbers for partitions. As such it is possible to mknod and open a partition before opening the whole device. this causes md_probe() to be called with a device number of a partition, which in-turn calls mddev_find with such a number. However mddev_find expects the number of a 'whole device' and does the wrong thing with partition numbers. So add code to mddev_find to remove the 'partition' part of a device number and just work with the 'whole device'. This patch addresses https://bugzilla.kernel.org/show_bug.cgi?id=28652 Reported-by: [email protected] Signed-off-by: NeilBrown <[email protected]> Cc: <[email protected]>
2011-02-16md: don't set_capacity before array is active.NeilBrown1-3/+3
If the desired size of an array is set (via sysfs) before the array is active (which is the normal sequence), we currrently call set_capacity immediately. This means that a subsequent 'open' (as can be caused by some udev-triggers program) will notice the new size and try to probe for partitions. However as the array isn't quite ready yet the read will fail. Then when the array is read, as the size doesn't change again we don't try to re-probe. So when setting array size via sysfs, only call set_capacity if the array is already active. Signed-off-by: NeilBrown <[email protected]>
2011-02-15Merge branch 'for-linus' of ↵Linus Torvalds18-69/+165
git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68knommu: set flow handler for secondary interrupt controller of 5249 m68knommu: remove use of IRQ_FLG_LOCK from 68360 platform support m68knommu: fix dereference of port.tty m68knommu: add missing linker __modver section m68knommu: fix mis-named variable int set_irq_chip loop m68knommu: add optimize memmove() function m68k: remove arch specific non-optimized memcmp() m68knommu: fix use of un-defined _TIF_WORK_MASK m68knommu: Rename m548x_wdt.c to m54xx_wdt.c m68knommu: fix m548x_wdt.c compilation after headers renaming m68knommu: Remove dependencies on nonexistent M68KNOMMU
2011-02-16m68knommu: set flow handler for secondary interrupt controller of 5249Greg Ungerer1-1/+3
The secondary interrupt controller of the ColdFire 5249 code is not setting the edge triggered flow handler. Set it. Signed-off-by: Greg Ungerer <[email protected]>
2011-02-16m68knommu: remove use of IRQ_FLG_LOCK from 68360 platform supportGreg Ungerer2-2/+2
The m68knommu arch does not define or use IRQ_FLG_LOCK in its irq subsystem. Remove obsolete use of it. Signed-off-by: Greg Ungerer <[email protected]>
2011-02-16m68knommu: fix dereference of port.ttyGreg Ungerer1-15/+14
The struct_tty associated with a port is now a direct pointer from within the local private driver info struct. So fix all uses of it. Signed-off-by: Greg Ungerer <[email protected]>
2011-02-16m68knommu: add missing linker __modver sectionGreg Ungerer1-0/+6
Add missing linker section __modver to fix: LD vmlinux /usr/local/bin/../m68k-uclinux/bin/ld.real: error: no memory region specified for loadable section `__modver' Signed-off-by: Greg Ungerer <[email protected]>
2011-02-16m68knommu: fix mis-named variable int set_irq_chip loopGreg Ungerer1-2/+2
Compiling for 68360 targets gives: CC arch/m68knommu/platform/68360/ints.o arch/m68knommu/platform/68360/ints.c: In function ‘init_IRQ’: arch/m68knommu/platform/68360/ints.c:135:16: error: ‘irq’ undeclared (first use in this function) arch/m68knommu/platform/68360/ints.c:135:16: note: each undeclared identifier is reported only once for each function it appears in Fix variable name used. Signed-off-by: Greg Ungerer <[email protected]>
2011-02-16m68knommu: add optimize memmove() functionGreg Ungerer3-2/+107
Add an m68k/coldfire optimized memmove() function for the m68knommu arch. This is the same function as used by m68k. Simple speed tests show this is faster once buffers are larger than 4 bytes, and significantly faster on much larger buffers (4 times faster above about 100 bytes). This also goes part of the way to fixing a regression caused by commit ea61bc461d09e8d331a307916530aaae808c72a2 ("m68k/m68knommu: merge MMU and non-MMU string.h"), which breaks non-coldfire non-mmu builds (which is the 68x328 and 68360 families). They currently have no memmove() fucntion defined, since there was none in the m68knommu/lib functions. Signed-off-by: Greg Ungerer <[email protected]>
2011-02-16m68k: remove arch specific non-optimized memcmp()Greg Ungerer2-14/+1
The m68k arch implements its own memcmp() function. It is not optimized in any way (it is the most strait forward coding of memcmp you can get). Remove it and use the kernels standard memcmp() implementation. This also goes part of the way to fixing a regression caused by commit ea61bc461d09e8d331a307916530aaae808c72a2 ("m68k/m68knommu: merge MMU and non-MMU string.h"), which breaks non-coldfire non-mmu builds (which is the 68x328 and 68360 families). They currently have no memcmp() function defined, since there is none in the m68knommu/lib functions. Signed-off-by: Greg Ungerer <[email protected]> Acked-by: Geert Uytterhoeven <[email protected]>
2011-02-15Merge branch 'drm-fixes' of ↵Linus Torvalds46-302/+679
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: (27 commits) drm/radeon/kms: hopefully fix pll issues for real (v3) drm/radeon/kms: add bounds checking to avivo pll algo drm: fix wrong usages of drm_device in DRM Developer's Guide drm/radeon/kms: fix a few more atombios endian issues drm/radeon/kms: improve 6xx/7xx CS error output drm/radeon/kms: check AA resolve registers on r300 drm/radeon/kms: fix tracking of BLENDCNTL, COLOR_CHANNEL_MASK, and GB_Z on r300 drm/radeon/kms: use linear aligned for evergreen/ni bo blits drm/radeon/kms: use linear aligned for 6xx/7xx bo blits drm/radeon: fix race between GPU reset and TTM delayed delete thread. drm/radeon/kms: evergreen/ni big endian fixes (v2) drm/radeon/kms: 6xx/7xx big endian fixes drm/radeon/kms: atombios big endian fixes drm/radeon: 6xx/7xx non-kms endian fixes drm/radeon/kms: optimize CS state checking for r100->r500 drm: do not leak kernel addresses via /proc/dri/*/vma drm/radeon/kms: add connector table for mac g5 9600 radeon mkregtable: Add missing fclose() calls drm/radeon/kms: fix interlaced modes on dce4+ drm/radeon: fix memory debugging since d961db75ce86a84f1f04e91ad1014653ed7d9f46 ...
2011-02-15Merge branch 'for-linus' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: pci: use security_capable() when checking capablities during config space read
2011-02-15thp: prevent hugepages during args/env copying into the user stackAndrea Arcangeli2-20/+18
Transparent hugepages can only be created if rmap is fully functional. So we must prevent hugepages to be created while is_vma_temporary_stack() is true. This also optmizes away some harmless but unnecessary setting of khugepaged_scan.address and it switches some BUG_ON to VM_BUG_ON. Signed-off-by: Andrea Arcangeli <[email protected]> Acked-by: Rik van Riel <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2011-02-15Merge branch 'release' of ↵Linus Torvalds4-31/+54
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI / Video: Probe for output switch method when searching video devices. ACPI / Wakeup: Enable button GPEs unconditionally during initialization ACPI / ACPICA: Avoid crashing if _PRW is defined for the root object ACPI: Fix acpi_os_read_memory() and acpi_os_write_memory() (v2)
2011-02-15Merge branch 'tools-release' of ↵Linus Torvalds1-102/+98
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 * 'tools-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6: tools: turbostat: style updates tools: turbostat: fix bitwise and operand
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