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linux-2.6/drivers/acpi
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Thomas Gleixner b032bf70df ACPI/CPUIDLE: prevent setting pm_idle to NULL 
pm_idle_save resp. pm_idle_old can be NULL when the restore code in
acpi_processor_cst_has_changed() resp. cpuidle_uninstall_idle_handler()
is called. This can set pm_idle unconditinally to NULL, which causes the
kernel to panic when calling pm_idle in the x86 idle code. This was
covered by an extra check for !pm_idle in the x86 idle code, which was
removed during the x86 idle code refactoring.

Instead of restoring the pm_idle check in the x86 code prevent the
acpi/cpuidle code to set pm_idle to NULL.

Reported by: Dhaval Giani http://lkml.org/lkml/2008/7/2/309
Based on a debug patch from Ingo Molnar

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2008-07-28 08:31:58 -07:00
..
dispatcher ACPICA: Cleanup debug operand dump mechanism 2008-07-16 23:27:04 +02:00
events ACPI: Enhance /sys/firmware/interrupts to allow enable/disable/clear from user-space 2008-07-16 23:27:04 +02:00
executer ACPICA: Cleanup debug operand dump mechanism 2008-07-16 23:27:04 +02:00
hardware ACPI: Enhance /sys/firmware/interrupts to allow enable/disable/clear from user-space 2008-07-16 23:27:04 +02:00
namespace acpi: fix crash in core ACPI code, triggered by CONFIG_ACPI_PCI_SLOT=y 2008-07-22 00:27:48 +02:00
parser ACPICA: Eliminate acpi_native_uint type v2 2008-07-16 23:27:03 +02:00
resources ACPICA: Cleanup of _PRT parsing code 2008-07-16 23:27:04 +02:00
sleep pm: acpi pm: add DMI quirk list for ACPI 1.0 suspend ordering 2008-07-24 10:47:24 -07:00
tables Revert "Fix FADT parsing" 2008-07-18 01:42:20 +02:00
utilities acpi: fix crash in core ACPI code, triggered by CONFIG_ACPI_PCI_SLOT=y 2008-07-22 00:27:48 +02:00
Kconfig Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
Makefile Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
ac.c ACPI: no AC status notification 2008-06-14 01:26:37 -04:00
acpi_memhotplug.c
…
asus_acpi.c
…
battery.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
bay.c APCI: revert duplicated patch 2008-07-20 17:14:57 -07:00
blacklist.c
…
bus.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-07-16 17:25:46 -07:00
button.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
cm_sbs.c
…
container.c
…
debug.c
…
dock.c APCI: revert duplicated patch 2008-07-20 17:14:57 -07:00
ec.c ACPI: EC: Use msleep instead of udelay while waiting for event. 2008-06-11 19:13:45 -04:00
event.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
fan.c driver core: fix a lot of printk usages of bus_id 2008-07-21 21:54:53 -07:00
glue.c driver core: fix a lot of printk usages of bus_id 2008-07-21 21:54:53 -07:00
numa.c ACPICA: Update DMAR and SRAT table definitions 2008-07-16 23:27:04 +02:00
osl.c
…
pci_bind.c
…
pci_irq.c ACPI: use dev_printk when possible 2008-07-16 23:27:07 +02:00
pci_link.c ACPI: stop complaints about interrupt link End Tags and blank IRQ descriptors 2008-07-18 01:41:49 +02:00
pci_root.c
…
pci_slot.c PCI hotplug: fix error path in pci_slot's register_slot 2008-07-22 11:18:17 -07:00
power.c ACPI: Introduce new device wakeup flag 'prepared' 2008-07-07 16:26:14 -07:00
processor_core.c driver core: fix a lot of printk usages of bus_id 2008-07-21 21:54:53 -07:00
processor_idle.c ACPI/CPUIDLE: prevent setting pm_idle to NULL 2008-07-28 08:31:58 -07:00
processor_perflib.c ACPI: change processors from array to per_cpu variable 2008-07-16 23:27:01 +02:00
processor_thermal.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
processor_throttling.c cpumask: Replace cpumask_of_cpu with cpumask_of_cpu_ptr 2008-07-18 22:02:57 +02:00
reboot.c Add the ability to reset the machine using the RESET_REG in ACPI's FADT table. 2008-07-16 23:27:08 +02:00
sbs.c acpi: use non-racy method for proc entries creation 2008-04-29 08:06:22 -07:00
sbshc.c
…
sbshc.h
…
scan.c driver core: fix a lot of printk usages of bus_id 2008-07-21 21:54:53 -07:00
system.c move memory_read_from_buffer() from fs.h to string.h 2008-07-24 10:47:13 -07:00
tables.c
…
thermal.c Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 2008-07-24 13:57:37 -07:00
toshiba_acpi.c
…
utils.c
…
video.c Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 2008-07-24 13:57:37 -07:00
wmi.c
…