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| * x86, 64-bit: print DMI info in the oops traceKyle McMartin2009-02-04
| | | | | | | | | | | | | | | | | | | | This patch echoes what we already do on 32-bit since 90f7d25c6b672137344f447a30a9159945ffea72, and prints the DMI product name in show_regs, so that system specific problems can be easily identified. Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'x86/uaccess' into core/percpuIngo Molnar2009-02-09
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| * | x86: uaccess: use errret as error value in __put_user_size()Hiroshi Shimamoto2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup In __put_user_size() macro errret is used for error value. But if size is 8, errret isn't passed to__put_user_asm_u64(). This behavior is inconsistent. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| * | x86: uaccess: fix compilation error on CONFIG_M386Hiroshi Shimamoto2009-01-29
| | | | | | | | | | | | | | | | | | | | | | | | In case of !CONFIG_X86_WP_WORKS_OK, __put_user_size_ex() is not defined. Add macros for !CONFIG_X86_WP_WORKS_OK case. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: ia32_signal: use {get|put}_user_try and catchHiroshi Shimamoto2009-01-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: use new framework Use {get|put}_user_try, catch, and _ex in arch/x86/ia32/ia32_signal.c. Note: this patch contains "WARNING: line over 80 characters", because when introducing new block I insert an indent to avoid mistakes by edit. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| * | x86: signal: use {get|put}_user_try and catchHiroshi Shimamoto2009-01-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: use new framework Use {get|put}_user_try, catch, and _ex in arch/x86/kernel/signal.c. Note: this patch contains "WARNING: line over 80 characters", because when introducing new block I insert an indent to avoid mistakes by edit. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| * | x86: uaccess: introduce try and catch frameworkHiroshi Shimamoto2009-01-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: introduce new uaccess exception handling framework Introduce {get|put}_user_try and {get|put}_user_catch as new uaccess exception handling framework. {get|put}_user_try begins exception block and {get|put}_user_catch(err) ends the block and gets err if an exception occured in {get|put}_user_ex() in the block. The exception is stored thread_info->uaccess_err. The example usage of this framework is below; int func() { int err = 0; get_user_try { get_user_ex(...); get_user_ex(...); : } get_user_catch(err); return err; } Note: get_user_ex() is not clear the value when an exception occurs, it's different from the behavior of __get_user(), but I think it doesn't matter. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| * | x86: uaccess: rename __put_user_u64() to __put_user_asm_u64()Hiroshi Shimamoto2009-01-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup rename __put_user_u64() to __put_user_asm_u64() like __get_user_asm_u64(). Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: uaccess: fix style problemsHiroshi Shimamoto2009-01-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Fix coding style problems in arch/x86/include/asm/uaccess.h. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: remove byte locksJiri Kosina2009-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Remove byte locks implementation, which was introduced by Jeremy in 8efcbab6 ("paravirt: introduce a "lock-byte" spinlock implementation"), but turned out to be dead code that is not used by any in-kernel virtualization guest (Xen uses its own variant of spinlocks implementation and KVM is not planning to move to byte locks). Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * | x86: Remove never-called arch_setup_msi_irq()Michael Ellerman2009-01-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 75c46fa, "x64, x2apic/intr-remap: MSI and MSI-X support for interrupt remapping infrastructure", x86 has had an implementation of arch_setup_msi_irqs(). That implementation does not call arch_setup_msi_irq(), instead it calls setup_irq(). No other x86 code calls arch_setup_msi_irq(). That leaves only arch_setup_msi_irqs() in drivers/pci/msi.c, but that routine is overridden by the x86 version of arch_setup_msi_irqs(). So arch_setup_msi_irq() is dead code, remove it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* | | Merge commit 'v2.6.29-rc4' into core/percpuIngo Molnar2009-02-09
|\ \ \ | | | | | | | | | | | | | | | | | | | | Conflicts: arch/x86/mach-voyager/voyager_smp.c arch/x86/mm/fault.c
| * | | Linux 2.6.29-rc4v2.6.29-rc4Linus Torvalds2009-02-08
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| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-updateLinus Torvalds2009-02-08
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-async-update: async: use list_move_tail async: Rename _special -> _domain for clarity. async: Add some documentation. async: Handle kthread_run() return codes. async: Fix running list handling.
| | * | | async: use list_move_tailStefan Richter2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | list.h provides a dedicated primitive for "list_del followed by list_add_tail"... list_move_tail. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
| | * | | async: Rename _special -> _domain for clarity.Cornelia Huck2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rename the async_*_special() functions to async_*_domain(), which describes the purpose of these functions much better. [Broke up long lines to silence checkpatch] Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | | async: Add some documentation.Cornelia Huck2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add some kerneldoc to the async interface. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | | async: Handle kthread_run() return codes.Cornelia Huck2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If we fail to create the manager thread, fall back to non-fastboot. If we fail to create an async thread, try again after waiting for a bit. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| | * | | async: Fix running list handling.Cornelia Huck2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | async_schedule() should pass in async_running as the running list, and run_one_entry() should put the entry to be run on the provided running list instead of always on the generic one. Reported-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
| * | | | radeonfb: Fix resume from D3Cold on some platformsBenjamin Herrenschmidt2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For historical reason, this driver used its own saving/restoring of the PCI config space, and used the state of it on resume as an indication as to whether it needed to re-POST the chip or not. This methods breaks with the later core changes since the core will have restored things for us. This patch fixes it by removing that custom code, using standard core methods to save/restore state, and testing for the need to re-POST by comparing the content of a few key PLL registers. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | | aty128fb: Properly save PCI state before changing PCI PM levelBenjamin Herrenschmidt2009-02-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes aty128fb to properly save the PCI config space -before- it potentially switches the PM state of the chip. This avoids a warning with the new PM core and is the right thing to do anyway. I also replaced the hand-coded switch to D2 with a call to the genericc pci_set_power_state() and removed the code that switches it back to D0 since the generic code is doing that for us nowadays. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | | atyfb: Properly save PCI state before changing PCI PM levelBenjamin Herrenschmidt2009-02-08
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes atyfb to properly save the PCI config space -before- it potentially switches the PM state of the chip. This avoids a warning with the new PM core and is the right thing to do anyway. I also slightly cleaned up the code that checks whether we are running on a PowerMac to do a runtime check instead of a compile check only, and replaced a deprecated number with the proper symbolic constant. Finally, I removed the useless switch to D0 from resume since the core does it for us. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | Merge branch 'for-linus' of ↵Linus Torvalds2009-02-07
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 PM: make the PM core more careful with drivers using the new PM framework PCI PM: Read power state from device after trying to change it on resume PCI PM: Do not disable and enable bridges during suspend-resume PCI: PCIe portdrv: Simplify suspend and resume PCI PM: Fix saving of device state in pci_legacy_suspend PCI PM: Check if the state has been saved before trying to restore it PCI PM: Fix handling of devices without drivers PCI: return error on failure to read PCI ROMs PCI: properly clean up ASPM link state on device remove
| | * | | PCI PM: make the PM core more careful with drivers using the new PM frameworkRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the PM core always attempts to manage devices with drivers that use the new PM framework. In particular, it attempts to disable the devices (which is unnecessary), to save their state (which may be undesirable if the driver has done that already) and to put them into low power states (again, this may be undesirable if the driver has already put the device into a low power state). That need not be the right thing to do, so make the core be more careful in this respect. Generally, there are the following categories of devices to consider: * bridge devices without drivers * non-bridge devices without drivers * bridge devices with drivers * non-bridge devices with drivers and each of them should be handled differently. For bridge devices without drivers the PCI PM core will save their state on suspend and restore it (early) during resume, after putting them into D0 if necessary. It will not attempt to do anything else to these devices. For non-bridge devices without drivers the PCI PM core will disable them and save their state on suspend. During resume, it will put them into D0, if necessary, restore their state (early) and reenable them. For bridge devices with drivers the PCI PM core will only save their state on suspend if the driver hasn't done that already. Still, the core will restore their state (early) during resume, after putting them into D0, if necessary. For non-bridge devices with drivers the PCI PM core will only save their state on suspend if the driver hasn't done that already. Also, if the state of the device hasn't been saved by the driver, the core will attempt to put the device into a low power state. During resume the core will restore the state of the device (early), after putting it into D0, if necessary. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI PM: Read power state from device after trying to change it on resumeRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pci_restore_standard_config() unconditionally changes current_state to PCI_D0 after attempting to change the device's power state, but it should rather read the actual current power state from the device. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI PM: Do not disable and enable bridges during suspend-resumeRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is a mistake to disable and enable PCI bridges and PCI Express ports during suspend-resume, at least at the time when it is currently done. Disabling them may lead to problems with accessing devices behind them and they should be automatically enabled when their standard config spaces are restored. Fix this by not attempting to disable bridges during suspend and enable them during resume. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI: PCIe portdrv: Simplify suspend and resumeRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify suspend and resume of the PCI Express port driver. It no longer needs to save and restore the standard configuration space of the device; this is now done by the PCI PM core layer. This patch is reported to fix the regression tracked as http://bugzilla.kernel.org/show_bug.cgi?id=12598 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI PM: Fix saving of device state in pci_legacy_suspendRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make pci_legacy_suspend() save the state of the device if it is in PCI_UNKNOWN after its suspend callback has run and warn only if the power state of the device has been changed by its suspend callback. Also, use WARN_ONCE(), which is more useful, in pci_legacy_suspend(), so that the name of the offending function is printed. Additionally, remove the unnecessary line of code setting pci_dev->state_saved. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI PM: Check if the state has been saved before trying to restore itRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Check if the standard configuration registers of a PCI device have been saved during suspend before trying to restore them during resume. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-By: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI PM: Fix handling of devices without driversRafael J. Wysocki2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Suspend to RAM is reported to break on some machines as a result of attempting to put one of driverless PCI devices into a low power state. Avoid that by not attepmting to power manage driverless devices during suspend. Fix up pci_pm_poweroff() after a previous incomplete fix for the same thing during hibernation. This patch is reported to fix the regression from 2.6.28 tracked as http://bugzilla.kernel.org/show_bug.cgi?id=12605 Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Reported-and-tested-by: Eric Sesterhenn <snakebyte@gmx.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI: return error on failure to read PCI ROMsTimothy S. Nelson2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes the ROM reading code return an error to user space if the size of the ROM read is equal to 0. The patch also emits a warnings if the contents of the ROM are invalid, and documents the effects of the "enable" file on ROM reading. Signed-off-by: Timothy S. Nelson <wayland@wayland.id.au> Acked-by: Alex Villacis-Lasso <a_villacis@palosanto.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| | * | | PCI: properly clean up ASPM link state on device removeAlex Chiang2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We only want to disable ASPM when the last function is removed from the parent's device list. We determine this by checking to see if the parent's device list is completely empty. Unfortunately, we never hit that code because the parent is considered an upstream port, and never had an ASPM link_state associated with it. The early check for !link_state causes us to return early, we never discover that our device list is empty, and thus we never remove the downstream ports' link_state nodes. Instead of checking to see if the parent's device list is empty, we can check to see if we are the last device on the list, and if so, then we know that we can clean up properly. Cc: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| * | | | module: remove over-zealous check in __module_get()Rusty Russell2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: fix spurious BUG_ON() triggered under load module_refcount() isn't reliable outside stop_machine(), as demonstrated by Karsten Keil <kkeil@suse.de>, networking can trigger it under load (an inc on one cpu and dec on another while module_refcount() is tallying can give false results, for example). Almost noone should be using __module_get, but that's another issue. Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | | | Merge branch 'release' of ↵Linus Torvalds2009-02-07
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: (30 commits) ACPI: Kconfig text - Fix the ACPI_CONTAINER module name according to the real module name. eeepc-laptop: fix oops when changing backlight brightness during eeepc-laptop init ACPICA: Fix table entry truncation calculation ACPI: Enable bit 11 in _PDC to advertise hw coord ACPI: struct device - replace bus_id with dev_name(), dev_set_name() ACPI: add missing KERN_* constants to printks ACPI: dock: Don't eval _STA on every show_docked sysfs read ACPI: disable ACPI cleanly when bad RSDP found ACPI: delete CPU_IDLE=n code ACPI: cpufreq: Remove deprecated /proc/acpi/processor/../performance proc entries ACPI: make some IO ports off-limits to AML ACPICA: add debug dump of BIOS _OSI strings ACPI: proc_dir_entry 'video/VGA' already registered ACPI: Skip the first two elements in the _BCL package ACPI: remove BM_RLD access from idle entry path ACPI: remove locking from PM1x_STS register reads eeepc-laptop: use netlink interface eeepc-laptop: Implement rfkill hotplugging in eeepc-laptop eeepc-laptop: Check return values from rfkill_register eeepc-laptop: Add support for extended hotkeys ...
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| | *-----------. \ \ \ Merge branches 'release', 'asus', 'bugzilla-12450', 'cpuidle', 'debug', ↵Len Brown2009-02-07
| | |\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 'ec', 'misc', 'printk' and 'processor' into release
| | | | | | | | | * | | | ACPI: cpufreq: Remove deprecated /proc/acpi/processor/../performance proc ↵Thomas Renninger2009-02-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | entries They were long enough set deprecated... Update Documentation/cpu-freq/users-guide.txt: The deprecated files listed there seen not to exist for some time anymore already. Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | | * | | | | ACPI: add missing KERN_* constants to printksFrank Seidel2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to kerneljanitors todo list all printk calls (beginning a new line) should have an according KERN_* constant. Those are the missing peaces here for the acpi subsystem. Signed-off-by: Frank Seidel <frank@f-seidel.de> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI: Kconfig text - Fix the ACPI_CONTAINER module name according to the ↵Thierry Vignaud2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | real module name. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | eeepc-laptop: fix oops when changing backlight brightness during ↵Darren Salt2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | eeepc-laptop init I got the following oops while changing the backlight brightness during startup. When it happens, it prevents use of the hotkeys, Fn-Fx, and the lid button. It's a clear use-before-init, as I verified by testing with an appropriately-placed "else printk". BUG: unable to handle kernel NULL pointer dereference at 00000000 *pde = 00000000 Oops: 0002 [#1] PREEMPT SMP Pid: 160, comm: kacpi_notify Not tainted (2.6.28.1-eee901 #4) 901 EIP: 0060:[<c0264e68>] [<c0264e68>] eeepc_hotk_notify+26/da EFLAGS: 00010246 CPU: 1 Using defaults from ksymoops -t elf32-i386 -a i386 EAX: 00000009 EBX: 00000000 ECX: 00000009 EDX: f70dbf64 ESI: 00000029 EDI: f7335188 EBP: c02112c9 ESP: f70dbf80 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 f70731e0 f73acd50 c02164ac f7335180 f70aa040 c02112e6 f733518c c012b62f f70aa044 f70aa040 c012bdba f70aa04c 00000000 c012be6e 00000000 f70bdf80 c012e198 f70dbfc4 f70dbfc4 f70aa040 c012bdba 00000000 c012e0c9 c012e091 Call Trace: [<c02164ac>] ? acpi_ev_notify_dispatch+4c/55 [<c02112e6>] ? acpi_os_execute_deferred+1d/25 [<c012b62f>] ? run_workqueue+71/f1 [<c012bdba>] ? worker_thread+0/bf [<c012be6e>] ? worker_thread+b4/bf [<c012e198>] ? autoremove_wake_function+0/2b [<c012bdba>] ? worker_thread+0/bf [<c012e0c9>] ? kthread+38/5f [<c012e091>] ? kthread+0/5f [<c0103abf>] ? kernel_thread_helper+7/10 Code: 00 00 00 00 c3 83 3d 60 5c 50 c0 00 56 89 d6 53 0f 84 c4 00 00 00 8d 42 e0 83 f8 0f 77 0f 8b 1d 68 5c 50 c0 89 d8 e8 a9 fa ff ff <89> 03 8b 1d 60 5c 50 c0 89 f2 83 e2 7f 0f b7 4c 53 10 8d 41 01 Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPICA: Fix table entry truncation calculationMyron Stowe2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During early boot, ACPI RSDT/XSDT table entries are gathered into the 'initial_tables[]' array. This array is currently statically defined (see ./drivers/acpi/tables.c). When there are more table entries than can be held in the 'initial_tables[]' array, the message "Truncating N table entries!" is output. As currently implemented, this message will always erroneously calculate N as 0. This patch fixes the calculation that determines how many table entries will be missing (truncated). This modification may be used under either the GPL or the BSD-style license used for Intel ACPI CA code. Signed-off-by: Myron Stowe <myron.stowe@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI: Enable bit 11 in _PDC to advertise hw coordPallipadi, Venkatesh2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Bit 11 in intel PDC definitions is meant for OS capability to handle hardware coordination of P-states. In Linux we have always supported hwardware coordination of P-states. Just let the BIOSes know that we support it, by setting this bit. Some BIOSes use this bit to choose between hardware or software coordination and without this change below, BIOSes switch to software coordination, which is not very optimal in terms of power consumption and extra wakeups from idle. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2009-02-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI: dock: Don't eval _STA on every show_docked sysfs readHolger Macht2009-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some devices trigger a DEVICE_CHECK on every evalutation of _STA. This can also be seen in commit 8b59560a3baf2e7c24e0fb92ea5d09eca92805db (ACPI: dock: avoid check _STA method). If an undock is processed, the dock driver sends a uevent and userspace might read the show_docked property in sysfs. This causes an evaluation of _STA of the particular device which causes the dock driver to immediately dock again. In any case, evaluation of _STA (show_docked) does not necessarily mean that we are docked, so check with the internal device structure. http://bugzilla.kernel.org/show_bug.cgi?id=12360 Signed-off-by: Holger Macht <hmacht@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI: disable ACPI cleanly when bad RSDP foundLen Brown2009-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When ACPI is disabled in the BIOS of this VIA C3 box, it invalidates the RSDP, which Linux notices: ACPI Error (tbxfroot-0218): A valid RSDP was not found [20080926] Bug Linux neglected to disable ACPI at that stage, and later scribbled on smp_found_config: ACPI: No APIC-table, disabling MPS But this box doesn't run well in legacy PIC mode, it needed IOAPIC mode to perform correctly: http://lkml.org/lkml/2009/2/5/39 So exit ACPI mode cleanly when we first detect that it is hopeless. Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI: proc_dir_entry 'video/VGA' already registeredZhao Yakui2009-02-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | eliminate the duplicate the name of "VGA" http://bugzilla.kernel.org/show_bug.cgi?id=12514 Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | panasonic-laptop: fix X[ ARRAY_SIZE(X) ]Roel Kluin2009-01-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ensure pcc->keymap[ ARRAY_SIZE(pcc->keymap) ] does not occur. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | ACPI suspend: Fix compilation warnings in drivers/acpi/sleep.cRafael J. Wysocki2009-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix two compilation warnings in drivers/acpi/sleep.c, one triggered by unsetting CONFIG_SUSPEND and the other triggered by unsetting CONFIG_HIBERNATION, by moving some code under the appropriate #ifdefs . Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | | * | | | | | PM: Fix compilation warning in kernel/power/main.cRafael J. Wysocki2009-01-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reorder the code in kernel/power/main.c to fix compilation warning triggered by unsetting CONFIG_SUSPEND. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | | * | | | | | | ACPI: Fix crash on ASUS laptopsTero Roponen2009-01-17
| | | | | | |/ / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the crash I experienced in 2.6.29-rc2. Tested on ASUS M50vm. Signed-off-by: Tero Roponen <tero.roponen@gmail.com> Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| | | | | * | | | | | | ACPI: make some IO ports off-limits to AMLLen Brown2009-02-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ACPICA exports acpi_os_validate_address() so the OS can prevent BIOS AML from accessing specified addresses. Start using this interface to prevent AML from accessing some well known IO addresses that the OS "owns". Signed-off-by: Len Brown <len.brown@intel.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-13 20:54:11 -0500