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- 27 Aug, 2007 5 commits
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Kyle McMartin authored
Switch to using the generic compat_sys_getdents instead of a homebrew one. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Kyle McMartin authored
It doesn't really make much sense, anyways, and would need a pile of symbols exported. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Kyle McMartin authored
sti_flush is supposed to flush the caches so we can execute the STI rom we copied to memory. Anything more than flush_icache_range is overkill. Fixes a missing symbol when built as a module. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Kyle McMartin authored
Less painful than fixing up the Kconfig for a pile of drivers to only build on X86 && ARM && MIPS... Just make them BUG(), as defining them to be 1:1 with physical memory will likely HPMC the box anyways. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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Kyle McMartin authored
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
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- 13 Aug, 2007 1 commit
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Linus Torvalds authored
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- 12 Aug, 2007 30 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: run_rebalance_domains: s/SCHED_IDLE/CPU_IDLE/ sched: fix sleeper bonus sched: make global code static
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Thomas Gleixner authored
Level type interrupts do not need to be resent. It was also found that some chipsets get confused in case of the resend. Mark the ioapic level type interrupts as such to avoid the resend functionality in the generic irq code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Thomas Gleixner authored
Level type interrupts are resent by the interrupt hardware when they are still active at irq_enable(). Suppress the resend mechanism for interrupts marked as level. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Thomas Gleixner authored
Commit 5a43a066: "genirq: Allow fasteoi handler to retrigger disabled interrupts" was erroneously applied to handle_level_irq(). This added the irq retrigger / resend functionality to the level irq handler. Revert the offending bits. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Oleg Nesterov authored
rebalance_domains(SCHED_IDLE) looks strange (typo), change it to CPU_IDLE. the effect of this bug was slightly more agressive idle-balancing on SMP than intended. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar authored
Peter Ziljstra noticed that the sleeper bonus deduction code was not properly rate-limited: a task that scheduled more frequently would get a disproportionately large deduction. So limit the deduction to delta_exec. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Adrian Bunk authored
This patch makes the following needlessly global code static: - arch_reinit_sched_domains() - struct attr_sched_mc_power_savings - struct attr_sched_smt_power_savings Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6Linus Torvalds authored
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (28 commits) ACPI: thermal: add DMI hooks to handle AOpen's broken Award BIOS ACPI: thermal: create "thermal.act=" to disable or override active trip point ACPI: thermal: create "thermal.nocrt" to disable critical actions ACPI: thermal: create "thermal.psv=" to override passive trip points ACPI: thermal: expose "thermal.tzp=" to set global polling frequency ACPI: thermal: create "thermal.off=1" to disable ACPI thermal support ACPI: thinkpad-acpi: fix sysfs paths in documentation ACPI: static ACPI EC: remove potential deadlock from EC ACPI: dock: Send key=value pair instead of plain value ACPI: bay: send envp with uevent - fix acpi-cpufreq: Fix some x86/x86-64 acpi-cpufreq driver issues ACPI: fix "Time Problems with 2.6.23-rc1-gf695baf2" ACPI: thinkpad-acpi: change thinkpad-acpi input default and kconfig help ACPI: EC: fix run-together printk lines ACPI: sbs: remove dead code ACPI: EC: acpi_ec_remove(): fix use-after-free ACPI: EC: Switch from boot_ec as soon as we find its desc in DSDT. ACPI: EC: fix build warning ACPI: EC: If ECDT is not found, look up EC in DSDT. ...
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Linus Torvalds authored
Commit 3320ad99 broke mmio config space accesses totally on i386 - it dropped the "reg" offset to the address. Cc: dean gaudet <dean@arctic.org> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Petr Vandrovec authored
apply_alternatives uses memcpy() to apply alternatives. Which has the unfortunate effect that while applying memcpy alternative to memcpy itself it tries to overwrite itself with nops - which causes #UD fault as it overwrites half of an instruction in copy loop, and from this point on only possible outcome is triplefault and reboot. So let's overwrite only first two instructions of memcpy - as long as the main memcpy loop is not in first two bytes it will work fine. Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
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Len Brown authored
Use DMI to: 1. enable polling (BIOS thermal events are broken) 2. disable active trip points (BIOS fan control is broken) 3. disable passive trip point (BIOS hard-codes it too low) The actual temperature reading does work, and with the aid of polling, the critical trip point should work too. http://bugzilla.kernel.org/show_bug.cgi?id=8842Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
thermal.act=-1 disables all active trip points in all ACPI thermal zones. thermal.act=C, where C > 0, overrides all lowest temperature active trip points in all thermal zones to C degrees Celsius. Raising this trip-point may allow you to keep your system silent up to a higher temperature. However, it will not allow you to raise the lowest temperature trip point above the next higher trip point (if there is one). Lowering this trip point may kick in the fan sooner. Note that overriding this trip-point will disable any BIOS attempts to implement hysteresis around the lowest temperature trip point. This may result in the fan starting and stopping frequently if temperature frequently crosses C. WARNING: raising trip points above the manufacturer's defaults may cause the system to run at higher temperature and shorten its life. Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
thermal.nocrt=1 disables actions on _CRT and _HOT ACPI thermal zone trip-points. They will be marked as <disabled> in /proc/acpi/thermal_zone/*/trip_points. There are two cases where this option is used: 1. Debugging a hot system crossing valid trip point. If your system fan is spinning at full speed, be sure that the vent is not clogged with dust. Many laptops have very fine thermal fins that are easily blocked. Check that the processor fan-sink is properly seated, has the proper thermal grease, and is really spinning. Check for fan related options in BIOS SETUP. Sometimes there is a performance vs quiet option. Defaults are generally the most conservative. If your fan is not spinning, yet /proc/acpi/fan/ has files in it, please file a Linux/ACPI bug. WARNING: you risk shortening the lifetime of your hardware if you use this parameter on a hot system. Note that this refers to all system components, including the disk drive. 2. Working around a cool system crossing critical trip point due to erroneous temperature reading. Try again with CONFIG_HWMON=n There is known potential for conflict between the the hwmon sub-system and the ACPI BIOS. If this fixes it, notify lm-sensors@lm-sensors.org and linux-acpi@vger.kernel.org Otherwise, file a Linux/ACPI bug, or notify just linux-acpi@vger.kernel.org. Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
"thermal.psv=-1" disables passive trip points for all ACPI thermal zones. "thermal.psv=C", where 'C' is degrees Celsius, overrides all existing passive trip points for all ACPI thermal zones. thermal.psv is checked at module load time, and in response to trip-point change events. Note that if the system does not deliver thermal zone temperature change events near the new trip-point, then it will not be noticed. To force your custom trip point to be noticed, you may need to enable polling: eg. thermal.tzp=3000 invokes polling every 5 minutes. Note that once passive thermal throttling is invoked, it has its own internal Thermal Sampling Period (_TSP), that is unrelated to _TZP. WARNING: disabling or raising a thermal trip point may result in increased running temperature and shorter hardware lifetime on some systems. Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
Thermal Zone Polling frequency (_TZP) is an optional ACPI object recommending the rate that the OS should poll the associated thermal zone. If _TZP is 0, no polling should be used. If _TZP is non-zero, then the platform recommends that the OS poll the thermal zone at the specified rate. The minimum period is 30 seconds. The maximum period is 5 minutes. (note _TZP and thermal.tzp units are in deci-seconds, so _TZP = 300 corresponds to 30 seconds) If _TZP is not present, ACPI 3.0b recommends that the thermal zone be polled at an "OS provided default frequency". However, common industry practice is: 1. The BIOS never specifies any _TZP 2. High volume OS's from this century never poll any thermal zones Ie. The OS depends on the platform's ability to provoke thermal events when necessary, and the "OS provided default frequency" is "never":-) There is a proposal that ACPI 4.0 be updated to reflect common industry practice -- ie. no _TZP, no polling. The Linux kernel already follows this practice -- thermal zones are not polled unless _TZP is present and non-zero. But thermal zone polling is useful as a workaround for systems which have ACPI thermal control, but have an issue preventing thermal events. Indeed, some Linux distributions still set a non-zero thermal polling frequency for this reason. But rather than ask the user to write a polling frequency into all the /proc/acpi/thermal_zone/*/polling_frequency files, here we simply document and expose the already existing module parameter to do the same at system level, to simplify debugging those broken platforms. Note that thermal.tzp is a module-load time parameter only. Signed-off-by: Len Brown <len.brown@intel.com>
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Len Brown authored
"thermal.off=1" disables all ACPI thermal support at boot time. CONFIG_ACPI_THERMAL=n can do this at build time. "# rmmod thermal" can do this at run time, as long as thermal is built as a module. WARNING: On some systems, disabling ACPI thermal support will cause the system to run hotter and reduce the lifetime of the hardware. Signed-off-by: Len Brown <len.brown@intel.com>
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Henrique de Moraes Holschuh authored
The documentation used "thinkpad-acpi" to refer to the directories in sysfs, while it should have been using "thinkpad_acpi". Thanks to Hugh Dickins for the error report. I wish I could just call the module and everything else by the proper name with the "-", instead of using these ugly translations to "_". Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Cc: Hugh Dickins <hugh@veritas.com> Signed-off-by: Len Brown <len.brown@intel.com>
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Adrian Bunk authored
Make the needlessly global "acpi_event_seqnum" static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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Alexey Starikovskiy authored
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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Holger Macht authored
Send key=value pair along with the uevent instead of a plain value so that userspace (udev) can handle it like common environment variables. Signed-off-by: Holger Macht <hmacht@suse.de> Acked-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: Stephan Berberig <s.berberig@arcor.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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Stephan Berberig authored
There must not be a new-line character in the uevent. Otherwise, udev gets confused. Thanks to Kay Sievers for pointing it out. Signed-off-by: Stephan Berberig <s.berberig@arcor.de> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
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- 11 Aug, 2007 4 commits
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git://git390.osdl.marist.edu/pub/scm/linux-2.6Linus Torvalds authored
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] monwriter: Serialization bug for multithreaded applications. [S390] vmur: diag14 only works with buffers below 2GB [S390] vmur: add "top of queue" sanity check for reader open [S390] vmur: reject open on z/VM reader files with status HOLD [S390] vmur: use DECLARE_COMPLETION_ONSTACK to keep lockdep happy [S390] vmur: allocate single record buffers instead of one big data buffer [S390] remove DEFAULT_MIGRATION_COST [S390] qdio: make sure data structures are correctly aligned. [S390] hypfs: implement show_options [S390] cio: avoid memory leak on error in css_alloc_subchannel().
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpcLinus Torvalds authored
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: [POWERPC] Fix size check for hugetlbfs [POWERPC] Fix initialization and usage of dma_mask [POWERPC] Fix more section mismatches in head_64.S [POWERPC] Revert "[POWERPC] Add 'mdio' to bus scan id list for platforms with QE UEC" [POWERPC] PS3: Update ps3_defconfig [POWERPC] PS3: Remove text saying PS3 support is incomplete [POWERPC] PS3: Fix storage probe logic [POWERPC] cell: Move SPU affinity init to spu_management_of_ops [POWERPC] Fix potential duplicate entry in SLB shadow buffer
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git://lost.foo-projects.org/~dwillia2/git/iopLinus Torvalds authored
* 'async-tx-fixes-for-linus' of git://lost.foo-projects.org/~dwillia2/git/iop: async_tx: update MAINTAINERS for async_tx and iop-adma
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git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2Linus Torvalds authored
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: ocfs2: set non-default s_time_gran during mount ocfs2: Retry sendpage() if it returns EAGAIN ocfs2: Fix rename/extend race [2.6 patch] ocfs2_insert_extent(): remove dead code ocfs2: Fix max offset calculations ocfs2: check ia_size limits in setattr ocfs2: Fix some casting errors related to file writes ocfs2: use s_maxbytes directly in ocfs2_change_file_space() ocfs2: Restrict inode changes in ocfs2_update_inode_atime()
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