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2009-01-16work_on_cpu: don't try to get_online_cpus() in work_on_cpu.Rusty Russell1-10/+4
Impact: remove potential circular lock dependency with cpu hotplug lock This has caused more problems than it solved, with a pile of cpu hotplug locking issues. Followup patches will get_online_cpus() in callers that need it, but if they don't do it they're no worse than before when they were using set_cpus_allowed without locking. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com>
2009-01-16Linux 2.6.29-rc2Linus Torvalds1-1/+1
2009-01-16Merge branch 'release' of ↵Linus Torvalds17-212/+858
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: (23 commits) ACPI PCI hotplug: harden against panic regression ACPI: rename main.c to sleep.c dell-laptop: move to drivers/platform/x86/ from drivers/misc/ eeepc-laptop: enable Bluetooth ACPI details ACPI: fix ACPI_FADT_S4_RTC_WAKE comment kprobes: check CONFIG_FREEZER instead of CONFIG_PM PM: Fix freezer compilation if PM_SLEEP is unset thermal fixup for broken BIOS which has invalid trip points. ACPI: EC: Don't trust ECDT tables from ASUS ACPI: EC: Limit workaround for ASUS notebooks even more ACPI: thinkpad-acpi: bump up version to 0.22 ACPI: thinkpad-acpi: handle HKEY event 6030 ACPI: thinkpad-acpi: clean-up fan subdriver quirk ACPI: thinkpad-acpi: start the event hunt season ACPI: thinkpad-acpi: handle HKEY thermal and battery alarms ACPI: thinkpad-acpi: clean up hotkey_notify() ACPI: thinkpad-acpi: use killable instead of interruptible mutexes ACPI: thinkpad-acpi: add UWB radio support ACPI: thinkpad-acpi: preserve radio state across shutdown ACPI: thinkpad-acpi: resume with radios disabled ...
2009-01-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds1-2/+5
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: netxen: include ipv6.h (fixes build failure) netxen: avoid invalid iounmap
2009-01-16ACPI PCI hotplug: harden against panic regressionJames Bottomley1-0/+2
ACPI hotplug panic with current git head http://lkml.org/lkml/2009/1/10/136 Rather than reverting the entire commit that causes the crash: e8c331e963c58b83db24b7d0e39e8c07f687dbc6 "PCI hotplug: introduce functions for ACPI slot detection" simply harden against it while the changes to the hotplug code on this particularl machine are understood. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16Merge branch 'misc' into releaseLen Brown12-10/+23
2009-01-16Merge branch 'thinkpad-acpi' into releaseLen Brown3-155/+791
2009-01-16Merge branches 'bugzilla-11884' and 'bugzilla-8544' into releaseLen Brown2-47/+42
2009-01-16ACPI: rename main.c to sleep.cLen Brown2-1/+1
Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16dell-laptop: move to drivers/platform/x86/ from drivers/misc/Len Brown4-2/+14
Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16eeepc-laptop: enable Bluetooth ACPI detailsJonathan McDowell1-2/+2
Although rfkill support for the EEE bluetooth device has been added to 2.6.28-rc the appropriate ACPI accessor definitions were not added, so the support was non functional. The patch below adds the get and set accessors and has been verified to work on an EEE 901. Signed-off-by: Jonathan McDowell <noodles@earth.li> Acked-by: Matthew Garrett <mjg@redhat.com> Acked-by: Corentin Chary <corentincj@iksaif.net> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16ACPI: fix ACPI_FADT_S4_RTC_WAKE commentDavid Brownell1-1/+1
Make the comment for ACPI_FADT_S4_RTC_WAKE match the ACPI spec; that bit has nothing to do with status bits. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16kprobes: check CONFIG_FREEZER instead of CONFIG_PMMasami Hiramatsu3-3/+3
Check CONFIG_FREEZER instead of CONFIG_PM because kprobe booster depends on freeze_processes() and thaw_processes() when CONFIG_PREEMPT=y. This fixes a linkage error which occurs when CONFIG_PREEMPT=y, CONFIG_PM=y and CONFIG_FREEZER=n. Reported-by: Cheng Renquan <crquan@gmail.com> Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16PM: Fix freezer compilation if PM_SLEEP is unsetRafael J. Wysocki1-1/+2
Freezer fails to compile if with the following configuration settings: CONFIG_CGROUPS=y CONFIG_CGROUP_FREEZER=y CONFIG_MODULES=y CONFIG_FREEZER=y CONFIG_PM=y CONFIG_PM_SLEEP=n Fix this by making process.o compilation depend on CONFIG_FREEZER. Reported-by: Cheng Renquan <crquan@gmail.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16thermal fixup for broken BIOS which has invalid trip points.Zhang Rui1-4/+12
ACPI thermal driver only re-evaluate VALID trip points. For the broken BIOS show in http://bugzilla.kernel.org/show_bug.cgi?id=8544 the active[0] is set to invalid at boot time and it will not be re-evaluated again. We can still get a single warning message at boot time. http://marc.info/?l=linux-kernel&m=120496222629983&w=2 http://bugzilla.kernel.org/show_bug.cgi?id=12203 Signed-off-by: Zhang Rui<rui.zhang@intel.com> Tested-by: Márton Németh <nm127@freemail.hu> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16netxen: include ipv6.h (fixes build failure)Dhananjay Phadke1-0/+1
Fixes a build error in absence of CONFIG_IPV6: drivers/net/netxen/netxen_nic_main.c:1189: error: implicit declaration of function 'ipv6_hdr' drivers/net/netxen/netxen_nic_main.c:1189: error: invalid type argument of '->' Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-16ACPI: EC: Don't trust ECDT tables from ASUSAlexey Starikovskiy1-44/+30
http://bugzilla.kernel.org/show_bug.cgi?id=9399 http://bugzilla.kernel.org/show_bug.cgi?id=11880 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16netxen: avoid invalid iounmapDhananjay Phadke1-2/+4
For NX3031 only one I/O range is mapped, so unmapping other two which are used by older chips, causes this warning on ppc64. "Attempt to iounmap early bolted mapping at 0x0000000000000000" Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-01-16ACPI: EC: Limit workaround for ASUS notebooks even moreAlexey Starikovskiy1-1/+2
References: http://bugzilla.kernel.org/show_bug.cgi?id=11884 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2009-01-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstableLinus Torvalds3-7/+11
* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: fix ioctl arg size (userland incompatible change!) Btrfs: Clear the device->running_pending flag before bailing on congestion
2009-01-16Btrfs: fix ioctl arg size (userland incompatible change!)Chris Mason2-7/+10
The structure used to send device in btrfs ioctl calls was not properly aligned, and so 32 bit ioctls would not work properly on 64 bit kernels. We could fix this with compat ioctls, but we're just one byte away and it doesn't make sense at this stage to carry about the compat ioctls forever at this stage in the project. This patch brings the ioctl arg up to an evenly aligned 4k. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-01-16Btrfs: Clear the device->running_pending flag before bailing on congestionChris Mason1-0/+1
Btrfs maintains a queue of async bio submissions so the checksumming threads don't have to wait on get_request_wait. In order to avoid extra wakeups, this code has a running_pending flag that is used to tell new submissions they don't need to wake the thread. When the threads notice congestion on a single device, they may decide to requeue the job and move on to other devices. This makes sure the running_pending flag is cleared before the job is requeued. It should help avoid IO stalls by making sure the task is woken up when new submissions come in. Signed-off-by: Chris Mason <chris.mason@oracle.com>
2009-01-16Merge branch 'merge' of ↵Linus Torvalds24-168/+196
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: serial: Add 16850 uart type support to OF uart driver hvc_console: Remove tty->low_latency powerpc: Get the number of SLBs from "slb-size" property powerpc: is_hugepage_only_range() must account for both 4kB and 64kB slices powerpc/ps3: printing fixups for l64 to ll64 conversion drivers/video powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/scsi powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/ps3 powerpc/ps3: Printing fixups for l64 to ll64 conversion sound/ppc powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/char powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/block powerpc/ps3: Printing fixups for l64 to ll64 conversion arch/powerpc powerpc/ps3: ps3_repository_read_mm_info() takes u64 * arguments powerpc/ps3: clear_bit()/set_bit() operate on unsigned longs powerpc/ps3: The lv1_ routines have u64 parameters powerpc/ps3: Use dma_addr_t down through the stack powerpc/ps3: set_dabr() takes an unsigned long powerpc: Cleanup from l64 to ll64 change drivers/scsi
2009-01-16Merge branch 'upstream-linus' of ↵Linus Torvalds12-79/+1065
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: sata_fsl: Return non-zero on error in probe() drivers/ata/pata_ali.c: s/isa_bridge/ali_isa_bridge/ to fix alpha build libata: New driver for OCTEON SOC Compact Flash interface (v7). libata: Add another column to the ata_timing table. sata_via: Add VT8261 support pata_atiixp: update port enabledness test handling [libata] get-identity ioctl: Fix use of invalid memory pointer
2009-01-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds24-95/+318
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] Skip deleted devices in __scsi_device_lookup_by_target() [SCSI] Add SUN Universal Xport to no attach blacklist [SCSI] iscsi_tcp: make padbuf non-static [SCSI] mpt fusion: Add Firmware debug support [SCSI] mpt fusion: Add separate msi enable disable for FC,SPI,SAS [SCSI] mpt fusion: Update MPI Headers to version 01.05.19 [SCSI] qla2xxx: Fix ISP restart bug in multiq code
2009-01-16Merge branch 'drm-next' of ↵Linus Torvalds10-69/+406
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/i915: lock correct mutex around object unreference. drm/i915: add support for physical memory objects drm/i915: make LVDS fixed mode a preferred mode drm: handle depth & bpp changes correctly drm: initial KMS config fixes drm/i915: setup sarea properly in master_priv drm/i915: set vblank enabled flag correctly across IRQ install/uninstall drm/i915: don't enable vblanks on disabled pipes
2009-01-16Revert "PCI PM: Register power state of devices during initialization"Linus Torvalds1-6/+2
This reverts commit 98e6e286d7b01deb7453b717aa38ebb69d6cefc0, as Yinghai Lu reports that it breaks kexec with at least the e1000 and e1000e drivers. The reason is that the shutdown sequence puts the hardware into D3 sleep, and the commit causes us to claim that it then is in D0 (running) state just because we don't understand the PM capabilities. Which then later makes "pci_set_power_state()" not do anything, and the device never wakes up properly and just returns 0xff to everything. Reported-by: Yinghai Lu <yinghai@kernel.org> Acked-by: From: Rafael J. Wysocki <rjw@sisk.pl> Cc: Jesse Barnes <jesse.barnes@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-16sata_fsl: Return non-zero on error in probe()Michal Sojka1-1/+1
while I was looking over kernel sources I've found this small bug. Formerly, zero was returned even if an error happened. Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16drivers/ata/pata_ali.c: s/isa_bridge/ali_isa_bridge/ to fix alpha buildAndrew Morton1-14/+14
drivers/ata/pata_ali.c:44: error: static declaration of 'isa_bridge' follows non-static declaration arch/alpha/include/asm/pci.h:274: error: previous declaration of 'isa_bridge' was here Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16libata: New driver for OCTEON SOC Compact Flash interface (v7).David Daney3-0/+975
Cavium OCTEON processor support was recently merged, so now we have this CF driver for your consideration. Most OCTEON variants have *no* DMA or interrupt support on the CF interface so for these, only PIO is supported. Although if DMA is available, we do take advantage of it. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16libata: Add another column to the ata_timing table.David Daney2-38/+43
The forthcoming OCTEON SOC Compact Flash driver needs an additional timing value that was not available in the ata_timing table. I add a new column for dmack_hold time. The values were obtained from the Compact Flash specification Rev 4.1. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16sata_via: Add VT8261 supportJosephChan@via.com.tw1-0/+2
Signed-off-by: Joseph Chan <josephchan@via.com.tw> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16pata_atiixp: update port enabledness test handlingTejun Heo1-19/+13
Port enabledness test fits much better into init_one() instead of pre_reset(). The reason why these tests are in pre_reset() is purely historical at this point. Move it to init_one(). This will help further changes. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16[libata] get-identity ioctl: Fix use of invalid memory pointerJeff Garzik5-7/+17
for SAS drivers. Caught by Ke Wei (and team?) at Marvell. Also, move the ata_scsi_ioctl export to libata-scsi.c, as that seems to be the general trend. Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2009-01-16x86_64: initialize this_cpu_off to __per_cpu_loadTejun Heo1-0/+5
On x86_64, if get_per_cpu_var() is used before per cpu area is setup (if lockdep is turned on, it happens), it needs this_cpu_off to point to __per_cpu_load. Initialize accordingly. Signed-off-by: Tejun Heo <tj@kernel.org>
2009-01-16x86: fix build bug introduced during mergeTejun Heo1-2/+1
EXPORT_PER_CPU_SYMBOL() got misplaced during merge leading to build failure. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org>
2009-01-16percpu: add optimized generic percpu accessorsIngo Molnar15-48/+102
It is an optimization and a cleanup, and adds the following new generic percpu methods: percpu_read() percpu_write() percpu_add() percpu_sub() percpu_and() percpu_or() percpu_xor() and implements support for them on x86. (other architectures will fall back to a default implementation) The advantage is that for example to read a local percpu variable, instead of this sequence: return __get_cpu_var(var); ffffffff8102ca2b: 48 8b 14 fd 80 09 74 mov -0x7e8bf680(,%rdi,8),%rdx ffffffff8102ca32: 81 ffffffff8102ca33: 48 c7 c0 d8 59 00 00 mov $0x59d8,%rax ffffffff8102ca3a: 48 8b 04 10 mov (%rax,%rdx,1),%rax We can get a single instruction by using the optimized variants: return percpu_read(var); ffffffff8102ca3f: 65 48 8b 05 91 8f fd mov %gs:0x7efd8f91(%rip),%rax I also cleaned up the x86-specific APIs and made the x86 code use these new generic percpu primitives. tj: * fixed generic percpu_sub() definition as Roel Kluin pointed out * added percpu_and() for completeness's sake * made generic percpu ops atomic against preemption Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Tejun Heo <tj@kernel.org>
2009-01-16x86: misc clean up after the percpu updateTejun Heo5-10/+4
Do the following cleanups: * kill x86_64_init_pda() which now is equivalent to pda_init() * use per_cpu_offset() instead of cpu_pda() when initializing initial_gs Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: convert pda ops to wrappers around x86 percpu accessorsTejun Heo4-85/+16
pda is now a percpu variable and there's no reason it can't use plain x86 percpu accessors. Add x86_test_and_clear_bit_percpu() and replace pda op implementations with wrappers around x86 percpu accessors. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: make pda a percpu variableTejun Heo6-20/+23
[ Based on original patch from Christoph Lameter and Mike Travis. ] As pda is now allocated in percpu area, it can easily be made a proper percpu variable. Make it so by defining per cpu symbol from linker script and declaring it in C code for SMP and simply defining it for UP. This change cleans up code and brings SMP and UP closer a bit. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: merge 64 and 32 SMP percpu handlingTejun Heo8-105/+55
Now that pda is allocated as part of percpu, percpu doesn't need to be accessed through pda. Unify x86_64 SMP percpu access with x86_32 SMP one. Other than the segment register, operand size and the base of percpu symbols, they behave identical now. This patch replaces now unnecessary pda->data_offset with a dummy field which is necessary to keep stack_canary at its place. This patch also moves per_cpu_offset initialization out of init_gdt() into setup_per_cpu_areas(). Note that this change also necessitates explicit per_cpu_offset initializations in voyager_smp.c. With this change, x86_OP_percpu()'s are as efficient on x86_64 as on x86_32 and also x86_64 can use assembly PER_CPU macros. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: fold pda into percpu area on SMPTejun Heo11-144/+104
[ Based on original patch from Christoph Lameter and Mike Travis. ] Currently pdas and percpu areas are allocated separately. %gs points to local pda and percpu area can be reached using pda->data_offset. This patch folds pda into percpu area. Due to strange gcc requirement, pda needs to be at the beginning of the percpu area so that pda->stack_canary is at %gs:40. To achieve this, a new percpu output section macro - PERCPU_VADDR_PREALLOC() - is added and used to reserve pda sized chunk at the start of the percpu area. After this change, for boot cpu, %gs first points to pda in the data.init area and later during setup_per_cpu_areas() gets updated to point to the actual pda. This means that setup_per_cpu_areas() need to reload %gs for CPU0 while clearing pda area for other cpus as cpu0 already has modified it when control reaches setup_per_cpu_areas(). This patch also removes now unnecessary get_local_pda() and its call sites. A lot of this patch is taken from Mike Travis' "x86_64: Fold pda into per cpu area" patch. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: use static _cpu_pda arrayTejun Heo4-25/+6
_cpu_pda array first uses statically allocated storage in data.init and then switches to allocated bootmem to conserve space. However, after folding pda area into percpu area, _cpu_pda array will be removed completely. Drop the reallocation part to simplify the code for soon-to-follow changes. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: load pointer to pda into %gs while brining up a CPUTejun Heo5-7/+15
[ Based on original patch from Christoph Lameter and Mike Travis. ] CPU startup code in head_64.S loaded address of a zero page into %gs for temporary use till pda is loaded but address to the actual pda is available at the point. Load the real address directly instead. This will help unifying percpu and pda handling later on. This patch is mostly taken from Mike Travis' "x86_64: Fold pda into per cpu area" patch. Signed-off-by: Tejun Heo <tj@kernel.org>
2009-01-16x86: make percpu symbols zerobased on SMPTejun Heo6-10/+88
[ Based on original patch from Christoph Lameter and Mike Travis. ] This patch makes percpu symbols zerobased on x86_64 SMP by adding PERCPU_VADDR() to vmlinux.lds.h which helps setting explicit vaddr on the percpu output section and using it in vmlinux_64.lds.S. A new PHDR is added as existing ones cannot contain sections near address zero. PERCPU_VADDR() also adds a new symbol __per_cpu_load which always points to the vaddr of the loaded percpu data.init region. The following adjustments have been made to accomodate the address change. * code to locate percpu gdt_page in head_64.S is updated to add the load address to the gdt_page offset. * __per_cpu_load is used in places where access to the init data area is necessary. * pda->data_offset is initialized soon after C code is entered as zero value doesn't work anymore. This patch is mostly taken from Mike Travis' "x86_64: Base percpu variables at zero" patch. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: make vmlinux_32.lds.S use PERCPU() macroTejun Heo1-8/+1
Make vmlinux_32.lds.S use the generic PERCPU() macro instead of open coding it. This will ease future changes. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: cleanup early setup_percpu referencesMike Travis1-16/+40
[ Based on original patch from Christoph Lameter and Mike Travis. ] * Ruggedize some calls in setup_percpu.c to prevent mishaps in early calls, particularly for non-critical functions. * Cleanup DEBUG_PER_CPU_MAPS usages and some comments. Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: make early_per_cpu() a lvalue and use itTejun Heo3-18/+6
Make early_per_cpu() a lvalue as per_cpu() is and use it where applicable. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16x86: fix pda_to_op()Tejun Heo1-1/+1
There's no instruction to move a 64bit immediate into memory location. Drop "i". Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-16drm/i915: lock correct mutex around object unreference.Dave Airlie1-6/+11
This makes sure the mutex is held around the unreference. Signed-off-by: Dave Airlie <airlied@redhat.com>
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