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c4686c71a9
linux/drivers/acpi
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Thomas Renninger c4686c71a9 cpufreq / ACPI: Fix not loading acpi-cpufreq driver regression 
Commit d640113fe8 introduced a regression on SMP
systems where the processor core with ACPI id zero is disabled
(typically should be the case because of hyperthreading).
The regression got spread through stable kernels.
On 3.0.X it got introduced via 3.0.18.

Such platforms may be rare, but do exist.
Look out for a disabled processor with acpi_id 0 in dmesg:
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x10] disabled)

This problem has been observed on a:
HP Proliant BL280c G6 blade

This patch restricts the introduced workaround to platforms
with nr_cpu_ids <= 1.

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-07-12 22:39:32 +02:00
..
acpica Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
apei ACPI, APEI, Avoid too much error reporting in runtime 2012-06-12 00:17:18 -04:00
ac.c treewide: fix potentially dangerous trailing ';' in #defined values/expressions 2011-07-21 14:10:00 +02:00
acpi_ipmi.c IPMI/ACPI: Add the IPMI opregion driver to enable ACPI to access BMC controller 2010-12-14 00:22:14 -05:00
acpi_memhotplug.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
acpi_pad.c acpi_pad: fix power_saving thread deadlock 2012-06-30 00:51:13 -04:00
battery.c ACPI battery: only refresh the sysfs files when pertinent information changes 2012-05-08 01:49:57 -04:00
bgrt.c acpi, bgrd: Add missing <linux/io.h> to drivers/acpi/bgrt.c 2012-05-17 07:18:26 -07:00
blacklist.c acpi: delete module.h include from files explicitly not needing it 2011-10-31 19:30:33 -04:00
bus.c ACPI / PM: Make __acpi_bus_get_power() cover D3cold correctly 2012-05-29 21:20:24 +02:00
button.c ACPI button: remove unused procfs I/F 2011-03-22 23:20:35 -04:00
cm_sbs.c ACPI: Move definition of PREFIX from acpi_bus.h to internal..h 2009-08-28 19:57:27 -04:00
container.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
custom_method.c ACPI: Split out custom_method functionality into an own driver 2011-05-29 01:50:40 -04:00
debugfs.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
dock.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
ec_sys.c simple_open: automatically convert to simple_open() 2012-04-05 15:25:50 -07:00
ec.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
event.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
fan.c ACPI: constify ops structs 2011-07-16 18:36:17 -04:00
glue.c ACPI: Add stubs for (un)register_acpi_bus_type 2012-05-11 17:03:12 -07:00
hed.c ACPI Hardware Error Device (PNP0C33) support 2010-05-19 22:40:24 -04:00
internal.h ACPI: Cleanup custom_method debug stuff 2011-05-29 01:50:04 -04:00
Kconfig drivers: acpi: Fix dependency for ACPI_HOTPLUG_CPU 2012-06-04 00:07:33 -04:00
Makefile ACPI: Add support for exposing BGRT data 2012-03-30 04:09:24 -04:00
numa.c ACPI: Store SRAT table revision 2012-01-17 04:19:04 -05:00
nvs.c ACPI / PM: print physical addresses consistently with other parts of kernel 2012-03-30 02:46:57 -04:00
osl.c Revert "ACPI: Make ACPI interrupt threaded" 2012-04-18 10:16:27 -07:00
pci_bind.c PCI / ACPI / PM: Platform support for PCI PME wake-up 2010-02-22 16:21:02 -08:00
pci_irq.c PCI/PM/Runtime: make PCI traces quieter 2012-01-06 12:11:16 -08:00
pci_link.c acpi: use KERN_CONT in printk() continuation lines 2012-05-08 08:55:26 -07:00
pci_root.c PCI: Rework ASPM disable code 2012-01-06 12:10:26 -08:00
pci_slot.c module_param: make bool parameters really bool (drivers & misc) 2012-01-13 09:32:20 +10:30
power.c ACPI / PM: Make __acpi_bus_get_power() cover D3cold correctly 2012-05-29 21:20:24 +02:00
proc.c acpi: add export.h to files using THIS_MODULE/EXPORT_SYMBOL 2011-10-31 19:30:34 -04:00
processor_core.c cpufreq / ACPI: Fix not loading acpi-cpufreq driver regression 2012-07-12 22:39:32 +02:00
processor_driver.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux 2012-03-30 16:45:39 -07:00
processor_idle.c PM / ACPI: Fix suspend/resume regression caused by cpuidle cleanup. 2012-06-27 20:18:53 +02:00
processor_perflib.c ACPI: Ignore invalid _PSS entries, but use valid ones 2012-05-08 01:56:37 -04:00
processor_thermal.c ACPI: Do cpufreq clamping for throttling per package v2 2012-03-22 02:16:14 -04:00
processor_throttling.c ACPI throttling: fix endian bug in acpi_read_throttling_status() 2012-03-30 16:06:12 -04:00
reboot.c Revert "ACPI: ignore FADT reset-reg-sup flag" 2012-04-20 11:19:35 -07:00
sbs.c Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-08-02 21:17:02 -10:00
sbshc.c acpi: add module.h to files implicitly using/relying on it. 2011-10-31 19:30:32 -04:00
sbshc.h
scan.c ACPI / PM: Generate wakeup events on fixed power button 2012-05-29 21:20:23 +02:00
sleep.c Merge branches 'bugfix-battery', 'bugfix-misc', 'bugfix-rafael', 'bugfix-turbostat', 'bugfix-video' and 'workaround-pss' into release 2012-06-04 00:48:41 -04:00
sleep.h ACPI: static sleep_states[] and acpi_gts_bfs_check 2010-10-19 13:44:37 -04:00
sysfs.c ACPI sysfs.c strlen fix 2012-06-05 00:02:05 -04:00
tables.c ACPI: delete the "acpi=ht" boot option 2010-03-14 20:58:38 -04:00
thermal.c ACPI: Evaluate thermal trip points before reading temperature 2012-03-30 02:38:31 -04:00
utils.c ACPI: Add _PLD support 2012-05-11 17:03:12 -07:00
video_detect.c platform/x86: drop deprecated asus_acpi driver 2012-03-20 12:02:18 -04:00
video.c Merge branches 'acpi_pad-bugzilla-42981', 'apei-bugzilla-43282', 'video-bugzilla-43168', 'bugzilla-40002' and 'bugfix-misc' into release 2012-06-30 00:53:50 -04:00
wakeup.c ACPI / Wakeup: Enable button GPEs unconditionally during initialization 2011-02-12 01:39:53 +01:00