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2009-05-18mtd_dataflash: unbreak erase supportPeter Korsgaard
Commit 5b7f3a50 (fix dataflash 64-bit divisions) unfortunately introduced a typo. Erase addr and len were swapped in the pageaddr calculation, causing the wrong sectors to get erased. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-18asm-generic: fix local_add_unless macroRoel Kluin
`local_add_unless(x, y, z)' will be expanded to `(&(x)->y, (y), (x))', but `&(x)->y' should be `&(x)->a' Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-17page-writeback: fix the calculation of the oldest_jif in wb_kupdate()Toshiyuki Okajima
wb_kupdate() function has a bug on linux-2.6.30-rc5. This bug causes generic_sync_sb_inodes() to start to write inodes back much earlier than our expectations because it miscalculates oldest_jif in wb_kupdate(). This bug was introduced in 704503d836042d4a4c7685b7036e7de0418fbc0f ('mm: fix proc_dointvec_userhz_jiffies "breakage"'). Signed-off-by: Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: padlock - Revert aes-all alias to aes crypto: api - Fix algorithm module auto-loading crypto: eseqiv - Fix IV generation for sync algorithms crypto: ixp4xx - check firmware for crypto support
2009-05-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: PM: check sysdev_suspend(PMSG_FREEZE) return value
2009-05-17reiserfs: fixup perms when xattrs are disabledJeff Mahoney
This adds CONFIG_REISERFS_FS_XATTR protection from reiserfs_permission. This is needed to avoid warnings during file deletions and chowns with xattrs disabled. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-17reiserfs: deal with NULL xattr root w/ xattrs disabledJeff Mahoney
This avoids an Oops in open_xa_root that can occur when deleting a file with xattrs disabled. It assumes that the xattr root will be there, and that is not guaranteed. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-17reiserfs: clean up ifdefsJeff Mahoney
With xattr cleanup even with xattrs disabled, much of the initial setup is still performed. Some #ifdefs are just not needed since the options they protect wouldn't be available anyway. This cleans those up. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: mm: SLOB fix reclaim_state mm: SLUB fix reclaim_state slub: add Documentation/ABI/testing/sysfs-kernel-slab slub: enforce MAX_ORDER
2009-05-16Fix caller information for warn_slowpath_nullLinus Torvalds
Ian Campbell noticed that since "Eliminate thousands of warnings with gcc 3.2 build" (commit 57adc4d2dbf968fdbe516359688094eef4d46581) all WARN_ON()'s currently appear to come from warn_slowpath_null(), eg: WARNING: at kernel/softirq.c:143 warn_slowpath_null+0x1c/0x20() because now that warn_slowpath_null() is in the call path, the __builtin_return_address(0) returns that, rather than the place that caused the warning. Fix this by splitting up the warn_slowpath_null/fmt cases differently, using a common helper function, and getting the return address in the right place. This also happens to avoid the unnecessary stack usage for the non-stdargs case, and just generally cleans things up. Make the function name printout use %pS while at it. Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Hugh Dickins <hugh@veritas.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: piix: The Sony TZ90 needs the cable type hardcoding icside: register second channel of version 6 PCB ide-tape: remove back-to-back REQUEST_SENSE detection
2009-05-16Merge branch 'release' of ↵Linus Torvalds
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: Idle C-states disabled by max_cstate should not disable the TSC ACPI: idle: fix init-time TSC check regression ACPI processor: reset the throttling state once it's invalid ACPI processor: introduce module parameter processor.ignore_tpc ACPI, i915: build fix ACPI: suspend: restore BM_RLD on resume ACPI: resume: re-enable SCI-enable workaround thermal: fix off-by-1 error in trip point trigger condition eeepc-laptop: unregister_rfkill_notifier on failure asus-laptop: fix input keycode eeepc-laptop: support for super hybrid engine (SHE) eeepc-laptop: Work around rfkill firmware bug eeepc-laptop: report brightness control events via the input layer eeepc-laptop: fix wlan rfkill state change during init ACPI: suspend: don't let device _PS3 failure prevent suspend ACPI: power: update error message ACPI: video: DMI workaround another broken Acer BIOS enabling display brightness ACPICA: use acpi.* modparam namespace ACPI video: dmi check for broken _BQC on Acer Aspire 5720
2009-05-16piix: The Sony TZ90 needs the cable type hardcodingAlan Cox
The Sony TZ90 needs the cable type hardcoding. See bug #12734 Signed-off-by: Alan Cox <alan@linux.intel.com> Reported-by: Jonathan E. Snow <jesnow@uh.edu> [bart: port it from ata_piix to piix and give reporter the proper credit] Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-16icside: register second channel of version 6 PCBSergei Shtylyov
The second IDE channel of version 6 PCB is not being registered anymore since the commit 48c3c1072651922ed153bcf0a33ea82cf20df390 (ide: add struct ide_host (take 3)). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-16ide-tape: remove back-to-back REQUEST_SENSE detectionTejun Heo
Impact: fix an oops which always triggers ide_tape_issue_pc() assumed drive->pc isn't NULL on invocation when checking for back-to-back request sense issues but drive->pc can be NULL and even when it's not NULL, it's not safe to dereference it once the previous command is complete because pc could have been freed or was on stack. Kill back-to-back REQUEST_SENSE detection. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-16Merge branches 'release', 'bugzilla-13032', 'bugzilla-13041+', ↵Len Brown
'bugzilla-13121', 'bugzilla-13165', 'bugzilla-13243', 'bugzilla-13259', 'resume-sci-en-regression', 'thermal-regression', 'tsc-regression' and 'asus-2.6.30' into release
2009-05-16ACPI: Idle C-states disabled by max_cstate should not disable the TSCLen Brown
Processor idle power states C2 and C3 stop the TSC on many machines. Linux recognizes this situation and marks the TSC as unstable: Marking TSC unstable due to TSC halts in idle But if those same machines are booted with "processor.max_cstate=1", then there is no need to validate C2 and C3, and no need to disable the TSC, which can be reliably used as a clocksource. Signed-off-by: Len Brown <len.brown@intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
2009-05-16ACPI: idle: fix init-time TSC check regressionLen Brown
A previous 2.6.30 patch, a71e4917dc0ebbcb5a0ecb7ca3486643c1c9a6e2, (ACPI: idle: mark_tsc_unstable() at init-time, not run-time) erroneously disabled the TSC on systems that did not actually have valid deep C-states. Move the check after the deep-C-states are validated, via new helper, tsc_check_state(), hich replaces tsc_halts_in_c(). Signed-off-by: Len Brown <len.brown@intel.com> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Frans Pop <elendil@planet.nl>
2009-05-15Linux 2.6.30-rc6v2.6.30-rc6Linus Torvalds
2009-05-15ACPI processor: reset the throttling state once it's invalidZhang Rui
If the BIOS hands us an invalid throttling state, write a valid state. http://bugzilla.kernel.org/show_bug.cgi?id=13259 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Tested-by: James Ettle <theholyettlz@googlemail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-05-15ACPI processor: introduce module parameter processor.ignore_tpcZhang Rui
Introduce module parameter processor.ignore_tpc. Some laptops are shipped with buggy _TPC, this module parameter is used to to disable the buggy support. http://bugzilla.kernel.org/show_bug.cgi?id=13259 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Tested-by: James Ettle <theholyettlz@googlemail.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-05-15ACPI, i915: build fixLen Brown
drivers/built-in.o: In function `intel_opregion_init': (.text+0x9d540): undefined reference to `acpi_video_register' http://bugzilla.kernel.org/show_bug.cgi?id=13165 Signed-off-by: Len Brown <len.brown@intel.com>
2009-05-15ACPI: suspend: restore BM_RLD on resumeLen Brown
In 2.6.29, 31878dd86b7df9a147f5e6cc6e07092b4308782b "ACPI: remove BM_RLD access from idle entry path" moved BM_RLD initialization to init-time from run time. But we discovered that some BIOS do not restore BM_RLD after suspend, causing device errors on C3 and C4 after resume. So now the kernel restores BM_RLD. http://bugzilla.kernel.org/show_bug.cgi?id=13032 Signed-off-by: Len Brown <len.brown@intel.com>
2009-05-15ACPI: resume: re-enable SCI-enable workaroundLin Ming
The BIOS bug workaround mistakenly got disabled when we followed the ACPI specification more closely by ignoring OS updates to that bit. (The BIOS is supposed to update SCI_EN, not the OS) http://bugzilla.kernel.org/show_bug.cgi?id=13289 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-05-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: PCI MSI: Fix MSI-X with NIU cards PCI: Fix pci-e port driver slot_reset bad default return value
2009-05-15PM: check sysdev_suspend(PMSG_FREEZE) return valueBjorn Helgaas
Check the return value of sysdev_suspend(). I think this was a typo. Without this change, the following "if" check is always false. I also changed the error message so it's distinguishable from the similar message a few lines above. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2009-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-2.6: Bluetooth: Don't trigger disconnect timeout for security mode 3 pairing Bluetooth: Don't use hci_acl_connect_cancel() for incoming connections Bluetooth: Fix wrong module refcount when connection setup fails Another case of me handling the fallout from Davem's unfortunate addiction to shuffleboard. Won't anybody think of the children? Join the anti-shuffleboard league today!
2009-05-15Merge branch 'drm-intel-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel * 'drm-intel-next' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: drm/i915: Add new GET_PIPE_FROM_CRTC_ID ioctl. drm/i915: Set HDMI hot plug interrupt enable for only the output in question. drm/i915: Include 965GME pci ID in IS_I965GM(dev) to match UMS. drm/i915: Use the GM45 VGA hotplug workaround on G45 as well. drm/i915: ignore LVDS on intel graphics systems that lie about having it drm/i915: sanity check IER at wait_request time drm/i915: workaround IGD i2c bus issue in kernel side (v2) drm/i915: Don't allow binding objects into the last page of the aperture. drm/i915: save/restore fence registers across suspend/resume drm/i915: x86 always has writeq. Add I915_READ64 for symmetry.
2009-05-15Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of ssh://master.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: Media rotation rate and form factor heuristics libata: Report disk alignment and physical block size sata_fsl: Fix the command description of FSL SATA controller sata_fsl: Fix compile warnings [libata] sata_sx4: fixup interrupt handling [libata] sata_sx4: convert to new exception handling methods
2009-05-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6: iwlwifi: fix device id registration for 6000 series 2x2 devices ath5k: update channel in sw state after stopping RX and TX rtl8187: use DMA-aware buffers with usb_control_msg mac80211: avoid NULL ptr deref when finding max_rates in PID and minstrel airo: airo_get_encode{,ext} potential buffer overflow Pulled directly by Linus because Davem is off playing shuffle-board at some Alaskan cruise, and the NULL ptr deref issue hits people and should get merged sooner rather than later. David - make us proud on the shuffle-board tournament!
2009-05-15libata: Media rotation rate and form factor heuristicsMartin K. Petersen
This patch provides new heuristics for parsing both the form factor and media rotation rate ATA IDENFITY words. The reported ATA version must be 7 or greater and the device must return values defined as valid in the standard. Only then are the characteristics reported to SCSI via the VPD B1 page. This seems like a reasonable compromise to me considering that we have been shipping several kernel releases that key off the rotation rate bit without any version checking whatsoever. With no complaints so far. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-05-15libata: Report disk alignment and physical block sizeMartin K. Petersen
For disks with 4KB sectors, report the correct block size and alignment when filling out the READ CAPACITY(16) response. This patch is based upon code from Matthew Wilcox' 4KB ATA tree. I fixed the bug I reported a while back caused by ATA and SCSI using different approaches to describing the alignment. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-05-15sata_fsl: Fix the command description of FSL SATA controllerDave Liu
The bit 11 of command description is reserved bit in Freescale SATA controller and needs to be set to '1'. This is needed to make sure the last write from the controller to the buffer descriptor is seen before an interrupt is raised. Signed-off-by: Dave Liu <daveliu@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-05-15sata_fsl: Fix compile warningsKumar Gala
We we build with dma_addr_t as a 64-bit quantity we get: drivers/ata/sata_fsl.c: In function 'sata_fsl_fill_sg': drivers/ata/sata_fsl.c:340: warning: format '%x' expects type 'unsigned int', but argument 4 has type 'dma_addr_t' Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-05-15[libata] sata_sx4: fixup interrupt handlingDavid Milburn
Issuing ATA_CMD_SET_FEATURES (0xef) times out because pdc20621_interrupt ignores command completion since ATA_TFLAG_POLLING flag is set. This has already been fixed for sata_promise: commit 51b94d2a5a90d4800e74d7348bcde098a28f4fb3 Author: Tejun Heo <htejun@gmail.com> Date: Fri Jun 8 13:46:55 2007 -0700 sata_promise: use TF interface for polling NODATA commands Also, this patch includes Mikael's original patches: http://marc.info/?l=linux-ide&m=121135828227724&w=2 http://marc.info/?l=linux-ide&m=121144512109826&w=2 Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: David Milburn <dmilburn@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-05-15[libata] sata_sx4: convert to new exception handling methodsJeff Garzik
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-05-15Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: Fix race in ext4_inode_info.i_cached_extent ext4: Clear the unwritten buffer_head flag after the extent is initialized ext4: Use a fake block number for delayed new buffer_head ext4: Fix sub-block zeroing for writes into preallocated extents
2009-05-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ASoC: DaVinci EVM board support buildfixes ASoC: DaVinci I2S updates ASoC: davinci-pcm buildfixes ALSA: pcsp: fix printk format warning ALSA: riptide: postfix increment and off by one pxa2xx-ac97: fix reset gpio mode setting ASoC: soc-core: fix crash when removing not instantiated card
2009-05-15Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb: kgdb: gdb documentation fix kgdb,i386: use address that SP register points to in the exception frame sysrq, intel_fb: fix sysrq g collision
2009-05-15Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: Revert "mm: add /proc controls for pdflush threads" viocd: needs to depend on BLOCK block: fix the bio_vec array index out-of-bounds test
2009-05-15Merge branch 'merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Fix PCI ROM access powerpc/pseries: Really fix the oprofile CPU type on pseries serial/nwpserial: Fix wrong register read address and add interrupt acknowledge. powerpc/cell: Make ptcal more reliable powerpc: Allow mem=x cmdline to work with 4G+ powerpc/mpic: Fix incorrect allocation of interrupt rev-map powerpc: Fix oprofile sampling of marked events on POWER7 powerpc/iseries: Fix pci breakage due to bad dma_data initialization powerpc: Fix mktree build error on Mac OS X host powerpc/virtex: Fix duplicate level irq events. powerpc/virtex: Add uImage to the default images list powerpc/boot: add simpleImage.* to clean-files list powerpc/8xx: Update defconfigs powerpc/embedded6xx: Update defconfigs powerpc/86xx: Update defconfigs powerpc/85xx: Update defconfigs powerpc/83xx: Update defconfigs powerpc/fsl_soc: Remove mpc83xx_wdt_init, again
2009-05-15devpts: correctly set default optionsSukadev Bhattiprolu
devpts_get_sb() calls memset(0) to clear mount options and calls parse_mount_options() if user specified any mount options. The memset(0) is bogus since the 'mode' and 'ptmxmode' options are non-zero by default. parse_mount_options() restores options to default anyway and can properly deal with NULL mount options. So in devpts_get_sb() remove memset(0) and call parse_mount_options() even for NULL mount options. Bug reported by Eric Paris: http://lkml.org/lkml/2009/5/7/448. Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com> Tested-by: Marc Dionne <marc.c.dionne@gmail.com> Reported-by: Eric Paris <eparis@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Reviewed-by: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-15Merge branch 'fix/asoc' into for-linusTakashi Iwai
* fix/asoc: ASoC: DaVinci EVM board support buildfixes ASoC: DaVinci I2S updates ASoC: davinci-pcm buildfixes pxa2xx-ac97: fix reset gpio mode setting ASoC: soc-core: fix crash when removing not instantiated card
2009-05-15Merge branch 'fix/misc' into for-linusTakashi Iwai
* fix/misc: ALSA: pcsp: fix printk format warning ALSA: riptide: postfix increment and off by one
2009-05-15ext4: Fix race in ext4_inode_info.i_cached_extentTheodore Ts'o
If two CPU's simultaneously call ext4_ext_get_blocks() at the same time, there is nothing protecting the i_cached_extent structure from being used and updated at the same time. This could potentially cause the wrong location on disk to be read or written to, including potentially causing the corruption of the block group descriptors and/or inode table. This bug has been in the ext4 code since almost the very beginning of ext4's development. Fortunately once the data is stored in the page cache cache, ext4_get_blocks() doesn't need to be called, so trying to replicate this problem to the point where we could identify its root cause was *extremely* difficult. Many thanks to Kevin Shanahan for working over several months to be able to reproduce this easily so we could finally nail down the cause of the corruption. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
2009-05-15kgdb: gdb documentation fixFrank Rowand
gdb command "set remote debug 1" is not valid, change to correct command. Signed-off-by: Frank Rowand <frank.rowand@am.sony.com> Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2009-05-15kgdb,i386: use address that SP register points to in the exception frameJason Wessel
The treatment of the SP register is different on x86_64 and i386. This is a regression fix that lived outside the mainline kernel from 2.6.27 to now. The regression was a result of the original merge consolidation of the i386 and x86_64 archs to x86. The incorrectly reported SP on i386 prevented stack tracebacks from working correctly in gdb. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2009-05-15sysrq, intel_fb: fix sysrq g collisionJason Wessel
Commit 79e539453b34e35f39299a899d263b0a1f1670bd introduced a regression where you cannot use sysrq 'g' to enter kgdb. The solution is to move the intel fb sysrq over to V for video instead of G for graphics. The SMP VOYAGER code to register for the sysrq-v is not anywhere to be found in the mainline kernel, so the comments in the code were cleaned up as well. This patch also cleans up the sysrq definitions for kgdb to make it generic for the kernel debugger, such that the sysrq 'g' can be used in the future to enter a gdbstub or another kernel debugger. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2009-05-15Revert "mm: add /proc controls for pdflush threads"Jens Axboe
This reverts commit fafd688e4c0c34da0f3de909881117d374e4c7af. Work is progressing to switch away from pdflush as the process backing for flushing out dirty data. So it seems pointless to add more knobs to control pdflush threads. The original author of the patch did not have any specific use cases for adding the knobs, so we can easily revert this before 2.6.30 to avoid having to maintain this API forever. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-05-15ASoC: DaVinci EVM board support buildfixesDavid Brownell
This is a build fix, resyncing the DaVinci EVM ASoC board code with the version in the DaVinci tree. That resync includes support for the DM355 EVM, although that board isn't yet in mainline. (NOTE: also includes a bugfix to the platform_add_resources call, recently sent by Chaithrika U S <chaithrika@ti.com> but not yet merged into the DaVinci tree.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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