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2010-01-21sched: Fix the place where group powers are updatedGautham R Shenoy
We want to update the sched_group_powers when balance_cpu == this_cpu. Currently the group powers are updated only if the balance_cpu is the first CPU in the local group. But balance_cpu = this_cpu could also be the first idle cpu in the group. Hence fix the place where the group powers are updated. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Joel Schopp <jschopp@austin.ibm.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1264017764.5717.127.camel@jschopp-laptop> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Assume *balance is validPeter Zijlstra
Since all load_balance() callers will have !NULL balance parameters we can now assume so and remove a few checks. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Remove load_balance_newidle()Peter Zijlstra
The two functions: load_balance{,_newidle}() are very similar, with the following differences: - rq->lock usage - sb->balance_interval updates - *balance check So remove the load_balance_newidle() call with load_balance(.idle = CPU_NEWLY_IDLE), explicitly unlock the rq->lock before calling (would be done by double_lock_balance() anyway), and ignore the other differences for now. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Unify load_balance{,_newidle}()Peter Zijlstra
load_balance() and load_balance_newidle() look remarkably similar, one key point they differ in is the condition on when to active balance. So split out that logic into a separate function. One side effect is that previously load_balance_newidle() used to fail and return -1 under these conditions, whereas now it doesn't. I've not yet fully figured out the whole -1 return case for either load_balance{,_newidle}(). Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Add a lock break for PREEMPT=yPeter Zijlstra
Since load-balancing can hold rq->locks for quite a long while, allow breaking out early when there is lock contention. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Remove from fwd declsPeter Zijlstra
Move code around to get rid of fwd declarations. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Remove rq_iterator from move_one_taskPeter Zijlstra
Again, since we only iterate the fair class, remove the abstraction. Since this is the last user of the rq_iterator, remove all that too. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Remove rq_iterator usage from load_balance_fairPeter Zijlstra
Since we only ever iterate the fair class, do away with this abstraction. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Remove the sched_class load_balance methodsPeter Zijlstra
Take out the sched_class methods for load-balancing. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-21sched: Move load balance code into sched_fair.cPeter Zijlstra
Straight fwd code movement. Since non of the load-balance abstractions are used anymore, do away with them and simplify the code some. In preparation move the code around. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-01-17sched: Don't expose local functionsH Hartley Sweeten
kernel/sched: don't expose local functions The get_rr_interval_* functions are all class methods of struct sched_class. They are not exported so make them static. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <201001132021.53253.hartleys@visionengravers.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-28sched: might_sleep(): Make file parameter const char *Simon Kagstrom
Fixes a warning when building with g++: warning: deprecated conversion from string constant to 'char*' And the file parameter use is constant, so mark it as such. Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net> Cc: peterz@infradead.org LKML-Reference: <20091223110818.442d848e@marrow.netinsight.se> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-24Linux 2.6.33-rc2Linus Torvalds
2009-12-24Merge branch 'sysctl' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc-2.6 * 'sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc-2.6: SYSCTL: Add a mutex to the page_alloc zone order sysctl SYSCTL: Print binary sysctl warnings (nearly) only once
2009-12-24Merge branch 'hwpoison' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6 * 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6: HWPOISON: Add PROC_FS dependency to hwpoison injector v2
2009-12-24Merge 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: (34 commits) classmate-laptop: add support for Classmate PC ACPI devices hp-wmi: Fix two memleaks acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIAS dell-wmi: do not keep driver loaded on unsupported boxes wmi: Free the allocated acpi objects through wmi_get_event_data drivers/platform/x86/acerhdf.c: check BIOS information whether it begins with string of table acerhdf: add new BIOS versions acerhdf: limit modalias matching to supported toshiba_acpi: convert to seq_file asus_acpi: convert to seq_file ACPI: do not select ACPI_DOCK from ATA_ACPI sony-laptop: enumerate rfkill devices using SN06 sony-laptop: rfkill support for newer models ACPI: fix OSC regression that caused aer and pciehp not to load MAINTAINERS: add maintainer for msi-wmi driver fujitu-laptop: fix tests of acpi_evaluate_integer() return value arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: avoid cross-CPU interrupts by using smp_call_function_any() ACPI: processor: remove _PDC object list from struct acpi_processor ACPI: processor: change acpi_processor_set_pdc() interface ACPI: processor: open code acpi_processor_cleanup_pdc ...
2009-12-24Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: ocfs2/trivial: Use le16_to_cpu for a disk value in xattr.c ocfs2/trivial: Use proper mask for 2 places in hearbeat.c Ocfs2: Let ocfs2 support fiemap for symlink and fast symlink. Ocfs2: Should ocfs2 support fiemap for S_IFDIR inode? ocfs2: Use FIEMAP_EXTENT_SHARED fiemap: Add new extent flag FIEMAP_EXTENT_SHARED ocfs2: replace u8 by __u8 in ocfs2_fs.h ocfs2: explicit declare uninitialized var in user_cluster_connect() ocfs2-devel: remove redundant OCFS2_MOUNT_POSIX_ACL check in ocfs2_get_acl_nolock() ocfs2: return -EAGAIN instead of EAGAIN in dlm ocfs2/cluster: Make fence method configurable - v2 ocfs2: Set MS_POSIXACL on remount ocfs2: Make acl use the default ocfs2: Always include ACL support
2009-12-24Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: VIDEO: cyberpro: pci_request_regions needs a persistent name ARM: dma-isa: request cascade channel after registering it ARM: footbridge: trim down old ISA rtc setup ARM: fix PAGE_KERNEL ARM: Fix wrong shared bit for CPU write buffer bug test ARM: 5857/1: ARM: dmabounce: fix build ARM: 5856/1: Fix bug of uart0 platfrom data for nuc900 ARM: 5855/1: putc support for nuc900 ARM: 5854/1: fix compiling error for NUC900 ARM: 5849/1: ARMv7: fix Oprofile events count ARM: add missing include to nwflash.c ARM: Kill CONFIG_CPU_32 ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() ARM: 5853/1: ARM: Fix build break on ARM v6 and v7
2009-12-24Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bpLinus Torvalds
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: edac, pci: remove pesky debug printk amd64_edac: restrict PCI config space access amd64_edac: fix forcing module load/unload amd64_edac: make driver loading more robust amd64_edac: fix driver instance freeing amd64_edac: fix K8 chip select reporting
2009-12-24Merge branch 'sh/for-2.6.33' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'sh/for-2.6.33' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: sh: Ensure all PG_dcache_dirty pages are written back. sh: mach-ecovec24: setup.c detailed correction serial: sh-sci: Convert tremaining ctrl_xxx I/O routines to __raw_xxx. serial: sh-sci: earlyprintk zero uartclk fix sh: Only use bl bit toggling for sleeping idle. sh: Restore bl bit toggling in idle loop. sh: Fix up MAX_DMA_CHANNELS definition when DMA is disabled. sh: dmaengine support for SH7785 sh: dmaengine support for sh7724.
2009-12-24VIDEO: cyberpro: pci_request_regions needs a persistent nameRussell King
Don't pass a name pointer from the kernel stack, it will not survive and will result in corrupted /proc/iomem output. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-24ARM: dma-isa: request cascade channel after registering itRussell King
We can't request the cascade channel before it's been registered, so move it afterwards. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-24ARM: footbridge: trim down old ISA rtc setupRussell King
This fixes a "start_kernel(): bug: interrupts were enabled early". rtc_cmos now takes care of initializing the ISA RTC and reading the current time and date from it; there's no need to repeat that here, thereby causing interrupts to be enabled too early. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-24ARM: fix PAGE_KERNELRussell King
PAGE_KERNEL should not be executable; any area marked executable can be prefetched into the instruction cache. We don't want vmalloc areas to be read in this way. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-24edac, pci: remove pesky debug printkBorislav Petkov
Do not spam the logs needlessly with the sole info that edac_pci_dev_parity_clear is being called. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-24amd64_edac: restrict PCI config space accessBorislav Petkov
Do not access F2x19[0,4] on K8 since they're undefined there. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-24amd64_edac: fix forcing module load/unloadBorislav Petkov
Clear the override flag after force-loading the module. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-24amd64_edac: make driver loading more robustBorislav Petkov
Currently, the module does not initialize fully when the DIMMs aren't ECC but remains still loaded. Propagate the error when no instance of the driver is properly initialized and prevent further loading. Reorganize and polish error handling in amd64_edac_init() while at it. Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-24amd64_edac: fix driver instance freeingBorislav Petkov
Fix use-after-free errors by pushing all memory-freeing calls to the end of amd64_remove_one_instance(). Reported-by: Darren Jenkins <darrenrjenkins@gmail.com> LKML-Reference: <1261370306.11354.52.camel@ICE-BOX> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-24amd64_edac: fix K8 chip select reportingBorislav Petkov
Fix the case when amd64_debug_display_dimm_sizes() reports only half the amount of DRAM on it because it doesn't account for when the single DCT operates in 128-bit mode and merges chip selects from different DIMMs. Reported-by: Johannes Hirte <johannes.hirte@fem.tu-ilmenau.de> LKML-Reference: <200912112202.48173.johannes.hirte@fem.tu-ilmenau.de> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2009-12-24Merge branch 'misc-2.6.33' into releaseLen Brown
2009-12-24Merge branch 'tc1100-wmi' into releaseLen Brown
2009-12-24Merge branch 'sony' into releaseLen Brown
2009-12-24Merge branch 'classmate' into releaseLen Brown
2009-12-24Merge branch 'pdc' into releaseLen Brown
2009-12-24Merge branches 'bugzilla-14446', 'bugzilla-14753' and 'bugzilla-14824' into ↵Len Brown
release
2009-12-24Merge branch 'osc' into releaseLen Brown
2009-12-24classmate-laptop: add support for Classmate PC ACPI devicesThadeu Lima de Souza Cascardo
This add supports for devices like keyboard, backlight, tablet and accelerometer. This work is supported by International Syst S/A. [randy.dunlap@oracle.com: cmpc_acpi: depends on ACPI] [akpm@linux-foundation.org: readability tweaks] [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24Merge branch 'sh/g3-prep' into sh/for-2.6.33Paul Mundt
2009-12-24sh: Ensure all PG_dcache_dirty pages are written back.Markus Pietrek
With some of the cache rework an address aliasing optimization was added, but this managed to fail on certain mappings resulting in pages with PG_dcache_dirty set never writing back their dcache lines. This patch reverts to the earlier behaviour of simply always writing back when the dirty bit is set. Signed-off-by: Markus Pietrek <Markus.Pietrek@emtrion.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-12-24sh: mach-ecovec24: setup.c detailed correctionKuninori Morimoto
o remove unused define o add device name comment Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-12-24hp-wmi: Fix two memleaksThomas Renninger
Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24serial: sh-sci: Convert tremaining ctrl_xxx I/O routines to __raw_xxx.Paul Mundt
ctrl_xxx() is an antiquated SH interface, while __raw_xxx is the standard API that accomplishes the same thing. As such, this converts the remaining sh-sci straggles over, which enables the driver to be wired up for ARM SH-Mobile CPUs as well. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-12-24serial: sh-sci: earlyprintk zero uartclk fixMagnus Damm
This establishes a sensible max baud rate for the earlyprintk cases where the port's uartclk has not yet been determined. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-12-24acer-wmi, msi-wmi: Remove needless DMI MODULE_ALIASThomas Renninger
Now that we have WMI autoloading the DMI matching is not needed anymore. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Acked-by: Anisse Astier <anisse@astier.eu> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24dell-wmi: do not keep driver loaded on unsupported boxesDmitry Torokhov
There is no point in having the driver loaded in memory if we fail to locate particular WMI GUID. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24wmi: Free the allocated acpi objects through wmi_get_event_dataAnisse Astier
These function allocate an acpi object by calling wmi_get_event_data, which then calls acpi_evaluate_object, and it is not freed afterwards. And kernel doc is fixed for parameters of wmi_get_event_data. Signed-off-by: Anisse Astier <anisse@astier.eu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24drivers/platform/x86/acerhdf.c: check BIOS information whether it begins ↵Peter Feuerer
with string of table BIOS information is now checked whether it begins with the strings stored in the BIOS table. Previous method did a strcmp, what lead to problems if BIOS information has appended whitespaces. Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24acerhdf: add new BIOS versionsPeter Feuerer
Add new BIOS versions for following netbooks: Aspire 1810xx, Packard Bell DOTMU. Signed-off-by: Peter Feuerer <peter@piie.net> Cc: Borislav Petkov <petkovbb@gmail.com> Cc: Andreas Mohr <andi@lisas.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2009-12-24acerhdf: limit modalias matching to supportedStefan Bader
BugLink: https://bugs.launchpad.net/ubuntu/+bug/435958 The module alias currently matches any Acer computer but when loaded the BIOS checks will only succeed on Aspire One models. This causes a invalid BIOS warning for all other models (seen on Aspire 4810T). This is not fatal but worries users that see this message. Limiting the moule alias to models starting with AOA or DOA for Packard Bell. Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Acked-by: Borislav Petkov <petkovbb@gmail.com> Acked-by: Peter Feuerer <peter@piie.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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