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2009-01-09fujitsu-laptop: Simplify SBLL/SBL2 backlight handlingTony Vroon1-93/+21
GBLS and GBLL only differ in the clearing of the GHKS flag, so there is no need to have two backlight level readouts. Also, per Peter Gruber, the need for the BLNF check has disappeared. As a result, cleanups can be made in the code. This has been tested on the both the S6410 and the S6420 platforms and causes no functionality regressions, on the console without X or within X. One module parameter to disable the hotkeys is dropped, as we only ever took one codepath anyway. Signed-off-by: Tony Vroon <tony@linx.net> Tested-by: Peter Gruber <nokos@gmx.net> Tested-By: Stephen Gildea <stepheng+linux@gildea.com> Acked-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-09fujitsu-laptop: Add BL power, LED control and radio state informationTony Vroon1-33/+272
The FUNC interface in the Fujitsu-Siemens DSDT was unused until now. It exposes state information that is now reported in additional platform files (whether the radios are killed by the hardware switch or operational, whether the machine is docked and whether the lid is open). Support for the backlight class is now extended with the ability to power the backlight on & off. Optional support for the LED class allows the keyboard headlamps found on the U810 netbook and the Fujitsu logo illumination on the P8010 notebook to be turned on & off. This was fed through checkpatch.pl and tested on the S6420, P8010 & U810 platforms. Signed-off-by: Stephen Gildea <stepheng+linux@gildea.com> Tested-by: Stephen Gildea <stepheng+linux@gildea.com> Tested-by: Julian Brown <jules@panic.cs-bristol.org.uk> Signed-off-by: Tony Vroon <tony@linx.net> Tested-by: Peter Gruber <nokos@gmx.net> Acked-by: Jonathan Woithe <jwoithe@physics.adelaide.edu.au> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-25Linux 2.6.28v2.6.28Linus Torvalds1-1/+1
Happy holidays..
2008-12-24Merge branch 'for_linus' of ↵Linus Torvalds16-42/+49
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: V4L/DVB (9920): em28xx: fix NULL pointer dereference in call to VIDIOC_INT_RESET command V4L/DVB (9908a): MAINTAINERS: mark linux-uvc-devel as subscribers only V4L/DVB (9906): v4l2-compat: test for unlocked_ioctl as well. V4L/DVB (9885): drivers/media Kconfig's: fix bugzilla #12204 V4L/DVB (9875): gspca - main: Fix vidioc_s_jpegcomp locking. V4L/DVB (9781): [PATCH] Cablestar 2 I2C retries (fix CableStar2 support) V4L/DVB (9780): dib0700: Stop repeating after user stops pushing button
2008-12-24Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: disable X86_PTRACE_BTS
2008-12-24Merge branch 'for-linus' of ↵Linus Torvalds1-0/+3
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: ALSA: hda - Add missing terminators in patch_sigmatel.c
2008-12-24ALSA: hda - Add missing terminators in patch_sigmatel.cHerton Ronaldo Krzesinski1-0/+3
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-24x86: disable X86_PTRACE_BTSIngo Molnar1-0/+1
there's a new ptrace arch level feature in .28: config X86_PTRACE_BTS bool "Branch Trace Store" it has broken fork() handling: the old DS area gets copied over into a new task without clearing it. Fixes exist but they came too late: c5dee61: x86, bts: memory accounting bf53de9: x86, bts: add fork and exit handling and are queued up for v2.6.29. This shows that the facility is still not tested well enough to release into a stable kernel - disable it for now and reactivate in .29. In .29 the hardware-branch-tracer will use the DS/BTS facilities too - hopefully resulting in better code. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-24parisc: disable UP-optimized flush_tlb_mmKyle McMartin1-1/+4
flush_tlb_mm's "optimized" uniprocessor case of allocating a new context for userspace is exposing a race where we can suddely return to a syscall with the protection id and space id out of sync, trapping on the next userspace access. Debugged-by: James Bottomley <James.Bottomley@HansenPartnership.com> Tested-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-24Merge branch 'drm-fixes' of ↵Linus Torvalds1-2/+2
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/radeon: fix correctness of irq_enabled check for radeon.
2008-12-24edac: fix edac core deadlock when removing a deviceHarry Ciao1-3/+9
When deleting an edac device, we have to wait for its edac_dev.work to be completed before deleting the whole edac_dev structure. Since we have no idea which work in current edac_poller's workqueue is the work we are conerned about, we wait for all work in the edac_poller's workqueue to be proceseed. This is done via flush_cpu_workqueue() which inserts a wq_barrier into the tail of the workqueue and then sleeping on the completion of this wq_barrier. The edac_poller will wake up sleepers when it is found. EDAC core creates only one kernel worker thread, edac_poller, to run the works of all current edac devices. They share the same callback function of edac_device_workq_function(), which would grab the mutex of device_ctls_mutex first before it checks the device. This is exactly where edac_poller and rmmod would have a great chance to deadlock. In below call trace of rmmod > ... > edac_device_del_device > edac_device_workq_teardown > flush_workqueue > flush_cpu_workqueue, device_ctls_mutex would have already been grabbed by edac_device_del_device(). So, on one hand rmmod would sleep on the completion of a wq_barrier, holding device_ctls_mutex; on the other hand edac_poller would be blocked on the same mutex when it's running any one of works of existing edac evices(Note, this edac_dev.work is likely to be totally irrelevant to the one that is being removed right now)and never would have a chance to run the work of above wq_barrier to wake rmmod up. edac_device_workq_teardown() should not be called within the critical region of device_ctls_mutex. Just like is done in edac_pci_del_device() and edac_mc_del_mc(), where edac_pci_workq_teardown() and edac_mc_workq_teardown() are called after related mutex are released. Moreover, an edac_dev.work should check first if it is being removed. If this is the case, then it should bail out immediately. Since not all of existing edac devices are to be removed, this "shutting flag" should be contained to edac device being removed. The current edac_dev.op_state can be used to serve this purpose. The original deadlock problem and the solution have been witnessed and tested on actual hardware. Without the solution, rmmod an edac driver would result in below deadlock: root@localhost:/root> rmmod mv64x60_edac EDAC DEBUG: mv64x60_dma_err_remove() EDAC DEBUG: edac_device_del_device() EDAC DEBUG: find_edac_device_by_dev() (hang for a moment) INFO: task edac-poller:2030 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. edac-poller D 00000000 0 2030 2 Call Trace: [df159dc0] [c0071e3c] free_hot_cold_page+0x17c/0x304 (unreliable) [df159e80] [c000a024] __switch_to+0x6c/0xa0 [df159ea0] [c03587d8] schedule+0x2f4/0x4d8 [df159f00] [c03598a8] __mutex_lock_slowpath+0xa0/0x174 [df159f40] [e1030434] edac_device_workq_function+0x28/0xd8 [edac_core] [df159f60] [c003beb4] run_workqueue+0x114/0x218 [df159f90] [c003c674] worker_thread+0x5c/0xc8 [df159fd0] [c004106c] kthread+0x5c/0xa0 [df159ff0] [c0013538] original_kernel_thread+0x44/0x60 INFO: task rmmod:2062 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. rmmod D 0ff2c9fc 0 2062 1839 Call Trace: [df119c00] [c0437a74] 0xc0437a74 (unreliable) [df119cc0] [c000a024] __switch_to+0x6c/0xa0 [df119ce0] [c03587d8] schedule+0x2f4/0x4d8 [df119d40] [c03591dc] schedule_timeout+0xb0/0xf4 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-24cgroups: avoid accessing uninitialized data in failure pathLi Zefan1-2/+3
If cgroup_get_rootdir() failed, free_cg_links() will be called in the failure path, but tmp_cg_links hasn't been initialized at that time. I introduced this bug in the 2.6.27 merge window. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-24cgroups: suppress bogus warning messagesSharyathi Nagesh1-3/+0
Remove spurious warning messages that are thrown onto the console during cgroup operations. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Sharyathi Nagesh <sharyathi@in.ibm.com> Acked-by: Serge E. Hallyn <serge@hallyn.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-24w1: fix slave selection on big-endian systemsEvgeniy Polyakov1-1/+3
During test of the w1-gpio driver i found that in "w1.c:679 w1_slave_found()" the device id is converted to little-endian with "cpu_to_le64()", but its not converted back to cpu format in "w1_io.c:293 w1_reset_select_slave()". Based on a patch created by Andreas Hummel. [akpm@linux-foundation.org: remove unneeded cast] Reported-by: Andreas Hummel <andi_hummel@gmx.de> Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-24rtc: rtc-isl1208: reject invalid datesChris Elston1-0/+7
This patch for the rtc-isl1208 driver makes it reject invalid dates. Signed-off-by: Chris Elston <celston@katalix.com> [a.zummo@towertech.it: added comment explaining the check] Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Cc: Hebert Valerio Riedel <hvr@gnu.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-23V4L/DVB (9920): em28xx: fix NULL pointer dereference in call to ↵Devin Heitmueller1-1/+2
VIDIOC_INT_RESET command Fix a NULL pointer dereference that would occur if the video decoder tied to the em28xx supports the VIDIOC_INT_RESET call (for example: the cx25840 driver) Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-23drm/radeon: fix correctness of irq_enabled check for radeon.Dave Airlie1-2/+2
This check was introduced with the logic the wrong way around. Fixes regression: http://bugzilla.kernel.org/show_bug.cgi?id=12216 Tested-by: François Valenduc <francois.valenduc@tvcablenet.be> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-12-23Merge branch 'release' of ↵Linus Torvalds5-15/+14
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: don't cond_resched() when irqs_disabled() ACPI: fix 2.6.28 acpi.debug_level regression
2008-12-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds2-2/+4
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: drivers/ide/{cs5530.c,sc1200.c}: Move a dereference below a NULL test
2008-12-23drivers/ide/{cs5530.c,sc1200.c}: Move a dereference below a NULL testJulia Lawall2-2/+4
In each case, if the NULL test is necessary, then the dereference should be moved below the NULL test. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; expression E; identifier i,fld; statement S; @@ - T i = E->fld; + T i; ... when != E when != i if (E == NULL) S + i = E->fld; // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-12-22Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2-4/+3
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: MIPS: MIPS64R2: Fix buggy __arch_swab64 MIPS: Fix preprocessor warnings flaged by GCC 4.4
2008-12-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds3-17/+14
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: ppp: fix segfaults introduced by netdev_priv changes net: Fix module refcount leak in kernel_accept()
2008-12-22MIPS: MIPS64R2: Fix buggy __arch_swab64David Daney1-3/+2
The way the code is written it was assuming dshd has the function of a hypothetical dshw instruction ... Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-12-22MIPS: Fix preprocessor warnings flaged by GCC 4.4David Daney1-1/+1
Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-12-21Null pointer deref with hrtimer_try_to_cancel()Thomas Gleixner1-0/+6
Impact: Prevent kernel crash with posix timer clockid CLOCK_MONOTONIC_RAW commit 2d42244ae71d6c7b0884b5664cf2eda30fb2ae68 (clocksource: introduce CLOCK_MONOTONIC_RAW) introduced a new clockid, which is only available to read out the raw not NTP adjusted system time. The above commit did not prevent that a posix timer can be created with that clockid. The timer_create() syscall succeeds and initializes the timer to a non existing hrtimer base. When the timer is deleted either by timer_delete() or by the exit() cleanup the kernel crashes. Prevent the creation of timers for CLOCK_MONOTONIC_RAW by setting the posix clock function to no_timer_create which returns an error code. Reported-and-tested-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-20Merge branch 'for-linus' of ↵Linus Torvalds4-8/+13
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: fs/9p: change simple_strtol to simple_strtoul 9p: convert d_iname references to d_name.name 9p: Remove potentially bad parameter from function entry debug print.
2008-12-20Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds6-14/+30
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: fix resume (S2R) broken by Intel microcode module, on A110L x86 gart: don't complain if no AMD GART found AMD IOMMU: panic if completion wait loop fails AMD IOMMU: set cmd buffer pointers to zero manually x86: re-enable MCE on secondary CPUS after suspend/resume AMD IOMMU: allocate rlookup_table with __GFP_ZERO
2008-12-20x86: fix resume (S2R) broken by Intel microcode module, on A110LDmitry Adamushko2-5/+20
Impact: fix deadlock This is in response to the following bug report: Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12100 Subject : resume (S2R) broken by Intel microcode module, on A110L Submitter : Andreas Mohr <andi@lisas.de> Date : 2008-11-25 08:48 (19 days old) Handled-By : Dmitry Adamushko <dmitry.adamushko@gmail.com> [ The deadlock scenario has been discovered by Andreas Mohr ] I think I might have a logical explanation why the system: (http://bugzilla.kernel.org/show_bug.cgi?id=12100) might hang upon resuming, OTOH it should have likely hanged each and every time. (1) possible deadlock in microcode_resume_cpu() if either 'if' section is taken; (2) now, I don't see it in spec. and can't experimentally verify it (newer ucodes don't seem to be available for my Core2duo)... but logically-wise, I'd think that when read upon resuming, the 'microcode revision' (MSR 0x8B) should be back to its original one (we need to reload ucode anyway so it doesn't seem logical if a cpu doesn't drop the version)... if so, the comparison with memcmp() for the full 'struct cpu_signature' is wrong... and that's how one of the aforementioned 'if' sections might have been triggered - leading to a deadlock. Obviously, in my tests I simulated loading/resuming with the ucode of the same version (just to see that the file is loaded/re-loaded upon resuming) so this issue has never popped up. I'd appreciate if someone with an appropriate system might give a try to the 2nd patch (titled "fix a comparison && deadlock..."). In any case, the deadlock situation is a must-have fix. Reported-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Tested-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-20fs/9p: change simple_strtol to simple_strtoulJulia Lawall1-1/+1
Since v9ses->uid is unsigned, it would seem better to use simple_strtoul that simple_strtol. A simplified version of the semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r2@ long e; position p; @@ e = simple_strtol@p(...) @@ position p != r2.p; type T; T e; @@ e = - simple_strtol@p + simple_strtoul (...) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-12-209p: convert d_iname references to d_name.nameWu Fengguang3-6/+10
d_iname is rubbish for long file names. Use d_name.name in printks instead. Signed-off-by: Wu Fengguang <wfg@linux.intel.com> Acked-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-12-209p: Remove potentially bad parameter from function entry debug print.Duane Griffin1-1/+2
Signed-off-by: Duane Griffin <duaneg@dghda.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2008-12-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds5-16/+20
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] mpt fusion: clear list of outstanding commands on host reset [SCSI] scsi_lib: only call scsi_unprep_request() under queue lock [SCSI] ibmvstgt: move crq_queue_create to the end of initialization [SCSI] libiscsi REGRESSION: fix passthrough support with older iscsi tools [SCSI] aacraid: disable Dell Percraid quirk on Adaptec 2200S and 2120S
2008-12-19Merge branch 'for-linus' of ↵Linus Torvalds3-2/+22
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: ALSA: Fix a Oops bug in omap soc driver. ALSA: hda - Remove non-working headphone control for Dell laptops ALSA: hda - Add no-jd model for IDT 92HD73xx ALSA: Revert "ALSA: hda: removed unneeded hp_nid references" ALSA: hda - Add quirk for Dell Studio 17 ALSA: hda - Fix silent HP output on D975
2008-12-19Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds1-0/+5
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: cciss: fix problem that deleting multiple logical drives could cause a panic
2008-12-19Merge branch 'drm-fixes' of ↵Linus Torvalds3-2/+19
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/i915: GEM on PAE has problems - disable it for now. drm/i915: Don't return busy for buffers left on the flushing list.
2008-12-19Merge branch 'for-linus' of git://neil.brown.name/mdLinus Torvalds1-5/+17
* 'for-linus' of git://neil.brown.name/md: md: Don't read past end of bitmap when reading bitmap.
2008-12-19Merge branch 'for-linus' of ↵Linus Torvalds6-21/+17
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 hotplug: ibmphp: Fix module ref count underflow PCI hotplug: acpiphp wants a 64-bit _SUN PCI: pciehp: fix unexpected power off with pciehp_force PCI: fix aer resume sanity check
2008-12-19Merge branch 'fix/asoc' into for-linusTakashi Iwai1-1/+1
2008-12-19ALSA: Fix a Oops bug in omap soc driver.Stanley Miao1-1/+1
There will be a Oops or frequent underrun messages when playing music with omap soc driver, this is because a data region is incorretly sized, other data region will be overwriten when writing to this data region. Signed-off-by: Stanley Miao <stanley.miao@windriver.com> Acked-by: Jarkko Nikula <jarkko.nikula@nokia.com> Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19ALSA: hda - Remove non-working headphone control for Dell laptopsTakashi Iwai1-1/+2
The previous commit re-enabled hp_nid setup for IDT92HD73*, but it's unneeded indeed for Dell laptops that have multiple headphones. Setting the extra hp_nid results in a non-working "Headpohne" mixer control. Thus hp_nid should be 0 for these dell models. Also, the automatic addition of hp_nid should check whether it's a dual-HP model or not. For dual-HPs, the pins are already checked by the early workaround. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19ACPI: don't cond_resched() when irqs_disabled()Wu Fengguang1-1/+5
The ACPI interpreter usually runs with irqs enabled. However, during suspend/resume it runs with irqs disabled to evaluate _GTS/_BFS, as well as by irqrouter_resume() which evaluates _CRS, _PRS, _SRS. http://bugzilla.kernel.org/show_bug.cgi?id=12252 Signed-off-by: Wu Fengguang <wfg@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-19ACPI: fix 2.6.28 acpi.debug_level regressionBjorn Helgaas4-14/+9
acpi_early_init() was changed to over-write the cmdline param, making it really inconvenient to set debug flags at boot-time. Also, This sets the default level to "info", which is what all the ACPI drivers use. So to enable messages from drivers, you only have to supply the "layer" (a.k.a. "component"). For non-"info" ACPI core and ACPI interpreter messages, you have to supply both level and layer masks, as before. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2008-12-19ALSA: hda - Add no-jd model for IDT 92HD73xxTakashi Iwai2-0/+6
Added the model without the jack-detection for some desktops that have really no jack-detection. The recent driver caused regressions regarding the sound output on such machines. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19ALSA: Revert "ALSA: hda: removed unneeded hp_nid references"Takashi Iwai1-0/+3
This reverts commit 07f455f779acfb3eba4921fd1399761559b10fa9. ALSA: hda: removed unneeded hp_nid references Removed unneeded hp_nid references for 92hd73xx codec family. This caused the silent output on some Intel desktops due to missing routing of widget 0x0a and 0x0d. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19cciss: fix problem that deleting multiple logical drives could cause a panicStephen M. Cameron1-0/+5
Fix problem that deleting multiple logical drives could cause a panic. It fixes a panic which can be easily reproduced in the following way: Just create several "arrays," each with multiple logical drives via hpacucli, then delete the first array, and it will blow up in deregister_disk(), in the call to get_host() when it tries to dig the hba pointer out of a NULL queue pointer. The problem has been present since my code to make rebuild_lun_table behave better went in. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-12-19ALSA: hda - Add quirk for Dell Studio 17Joerg Schirottke1-0/+2
Added the matching model=dell-m6 for Dell Studio 17 laptop. Signed-off-by: Joerg Schirottke <master@kanotix.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-12-19drm/i915: GEM on PAE has problems - disable it for now.Dave Airlie2-1/+11
On PAE systems, GEM allocates pages using shmem, and passes these pages to be bound into AGP, however the AGP interfaces + the x86 set_memory interfaces all take unsigned long not dma_addr_t. The initial fix for this was a mess, so we need to do this correctly for 2.6.29. Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-12-19drm/i915: Don't return busy for buffers left on the flushing list.Eric Anholt1-1/+8
These buffers don't have active rendering still occurring to them, they just need either a flush to be emitted or a retire_requests to occur so that we notice they're done. Return unbusy so that one of the two occurs. The two expected consumers of this interface (OpenGL and libdrm_intel BO cache) both want this behavior. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-12-19md: Don't read past end of bitmap when reading bitmap.NeilBrown1-5/+17
When we read the write-intent-bitmap off the device, we currently read a whole number of pages. When PAGE_SIZE is 4K, this works due to the alignment we enforce on the superblock and bitmap. When PAGE_SIZE is 64K, this case read past the end-of-device which causes an error. When we write the superblock, we ensure to clip the last page to just be the required size. Copy that code into the read path to just read the required number of sectors. Signed-off-by: Neil Brown <neilb@suse.de> Cc: stable@kernel.org
2008-12-19ppp: fix segfaults introduced by netdev_priv changesJames Chapman1-15/+13
This patch fixes a segfault in ppp_shutdown_interface() and ppp_destroy_interface() when a PPP connection is closed. I bisected the problem to the following commit: commit c8019bf3aff653cceb64f66489fc299ee5957b57 Author: Wang Chen <wangchen@cn.fujitsu.com> Date: Thu Nov 20 04:24:17 2008 -0800 netdevice ppp: Convert directly reference of netdev->priv 1. Use netdev_priv(dev) to replace dev->priv. 2. Alloc netdev's private data by alloc_netdev(). Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net> The original ppp_generic code treated the netdev and struct ppp as independent data structures which were freed separately. In moving the ppp struct into the netdev, it is now possible for the private data to be freed before the call to ppp_shutdown_interface(), which is bad. The kfree(ppp) in ppp_destroy_interface() is also wrong; presumably ppp hasn't worked since the above commit. The following patch fixes both problems. Signed-off-by: James Chapman <jchapman@katalix.com> Reviewed-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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