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Rafael J. Wysocki b27759f880 PCI/PM: Do not use native PCIe PME by default 
Commit c7f486567c
(PCI PM: PCIe PME root port service driver) causes the native PCIe
PME signaling to be used by default, if the BIOS allows the kernel to
control the standard configuration registers of PCIe root ports.
However, the native PCIe PME is coupled to the native PCIe hotplug
and calling pcie_pme_acpi_setup() makes some BIOSes expect that
the native PCIe hotplug will be used as well.  That, in turn, causes
problems to appear on systems where the PCIe hotplug driver is not
loaded.  The usual symptom, as reported by Jaroslav Kameník and
others, is that the ACPI GPE associated with PCIe hotplug keeps
firing continuously causing kacpid to take substantial percentage
of CPU time.

To work around this issue, change the default so that the native
PCIe PME signaling is only used if directly requested with the help
of the pcie_pme= command line switch.

Fixes https://bugzilla.kernel.org/show_bug.cgi?id=15924 , which is
a listed regression from 2.6.33.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-by: Jaroslav Kameník <jaroslav@kamenik.cz>
Tested-by: Antoni Grzymala <antekgrzymala@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-06-18 09:36:37 -07:00
..
ABI Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/" 2010-06-11 13:08:37 -07:00
accounting
acpi ACPI, APEI, EINJ injection parameters support 2010-05-19 22:42:08 -04:00
aoe
arm ARM: SAMSUNG: Documentation: add documentation on GPIO code 2010-05-28 19:31:31 +09:00
auxdisplay
blackfin Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
block Documentation: fix block/biodoc.txt dma mapping description 2010-03-08 09:11:07 +01:00
blockdev
cdrom
cgroups memcg: update documentation 2010-05-27 09:12:43 -07:00
connector Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
console
cpu-freq
cpuidle
cris
crypto
development-process Documentation/development-process: add staging & mmotm info 2010-05-24 07:30:55 -07:00
device-mapper dm: document when snapshot has finished merging 2010-03-06 02:29:56 +00:00
DocBook Merge branch 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6 2010-06-04 15:38:12 -07:00
driver-model
dvb Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
early-userspace
fault-injection lkdtm: add debugfs access and loosen KPROBE ties 2010-03-06 11:26:32 -08:00
fb fbdev: rename imacfb.txt to efifb.txt and change imacfb to efifb. 2010-04-07 08:38:02 -07:00
filesystems Merge branch 'master' into for-linus 2010-06-04 13:22:30 -05:00
firmware_class
frv
hwmon hwmon: (ltc4245) Read only one GPIO pin 2010-05-27 19:59:02 +02:00
i2c Documentation/i2c: Checkpatch cleanup 2010-06-03 11:33:50 +02:00
i2o
ia64
ide
infiniband
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-05-20 09:20:59 -07:00
ioctl Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2010-03-19 09:43:06 -07:00
isdn
ja_JP
kbuild Merge branch 'for-35' of git://repo.or.cz/linux-kbuild 2010-06-01 08:55:52 -07:00
kdump
ko_KR
kvm KVM: MMU: Segregate shadow pages with different cr0.wp 2010-05-19 11:41:09 +03:00
laptops Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 2010-05-21 17:13:24 -07:00
lguest Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
m68k
make
mips
misc-devices
mn10300
mtd
namespaces
netlabel Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
networking Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
parisc
PCI Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2010-05-21 18:58:52 -07:00
pcmcia pcmcia: dev_node removal (core) 2010-05-10 10:23:17 +02:00
power Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2010-05-21 18:58:52 -07:00
powerpc Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2010-05-21 11:17:05 -07:00
pps
prctl
RCU Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-05-18 08:27:54 -07:00
s390 Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
scheduler sched: Remove USER_SCHED from documentation 2010-04-02 20:12:01 +02:00
scsi Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
serial ldisc: new dcd_change() method for line disciplines 2010-03-12 15:52:43 -08:00
sh
sound Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 2010-05-20 09:41:44 -07:00
sparc
spi spi/ep93xx: implemented driver for Cirrus EP93xx SPI controller 2010-05-25 00:23:16 -06:00
sysctl mm: compaction: add a tunable that decides when memory should be compacted and when it should be reclaimed 2010-05-25 08:06:59 -07:00
telephony
thermal
timers Documentation/timers/hpet_example.c: only build on X86 2010-06-01 10:05:19 -07:00
trace Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-05-20 09:20:59 -07:00
uml
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2010-05-20 21:26:12 -07:00
video4linux V4L/DVB: saa7134: add support for Avermedia M733A 2010-06-01 01:21:52 -03:00
vm numa: update Documentation/vm/numa, add memoryless node info 2010-05-27 09:12:57 -07:00
w1 Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
watchdog watchdog: update/improve/consolidate watchdog driver 2010-05-25 09:05:34 +00:00
wimax
x86
zh_CN
.gitignore add random binaries to .gitignore 2010-04-08 11:34:34 +02:00
00-INDEX Add a document describing the padata interface 2010-05-14 09:18:55 -06:00
applying-patches.txt
atomic_ops.txt Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
bad_memory.txt
basic_profiling.txt
binfmt_misc.txt
braille-console.txt
bt8xxgpio.txt
btmrvl.txt
BUG-HUNTING
cachetlb.txt Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
Changes netfilter: xtables: remove xt_string revision 0 2010-03-25 17:04:57 +01:00
circular-buffers.txt Document Linux's circular buffering capabilities 2010-03-24 16:31:22 -07:00
CodingStyle
cpu-hotplug.txt
cpu-load.txt
cputopology.txt
credentials.txt CRED: Holding a spinlock does not imply the holding of RCU read lock 2010-04-27 08:49:03 +10:00
dcdbas.txt
debugging-modules.txt
debugging-via-ohci1394.txt
dell_rbu.txt
devices.txt driver core: add devname module aliases to allow module on-demand auto-loading 2010-05-25 15:08:26 -07:00
DMA-API-HOWTO.txt Documentation/DMA-API-HOWTO: add ARCH_KMALLOC_MINALIGN description 2010-05-27 09:12:53 -07:00
DMA-API.txt Documentation: rename PCI-DMA-mapping.txt to DMA-API-HOWTO.txt 2010-03-12 15:52:43 -08:00
DMA-attributes.txt
DMA-ISA-LPC.txt
dmaengine.txt
dontdiff
dynamic-debug-howto.txt
edac.txt Documentation/edac.txt: Reflect the sysfs changes at the document 2010-05-10 11:49:30 -03:00
eisa.txt
email-clients.txt Documentation/email-clients.txt: update gmail information 2010-03-12 15:52:35 -08:00
feature-removal-schedule.txt ACPI: update feature-removal.txt to reflect deleted acpi=ht option 2010-06-01 12:13:23 -04:00
flexible-arrays.txt
futex-requeue-pi.txt
gcov.txt
gpio.txt gpio: introduce gpio_request_one() and friends 2010-03-06 11:26:48 -08:00
highuid.txt
HOWTO Documentation/HOWTO: update git home URL 2010-04-22 15:24:56 -07:00
hw_random.txt
init.txt init/main.c: improve usability in case of init binary failure 2010-03-06 11:26:29 -08:00
initrd.txt
intel_txt.txt Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-05-20 09:20:59 -07:00
Intel-IOMMU.txt
io_ordering.txt
io-mapping.txt
IO-mapping.txt
iostats.txt
IPMI.txt ipmi: add parameter to limit CPU usage in kipmid 2010-03-12 15:52:39 -08:00
IRQ-affinity.txt
IRQ.txt
irqflags-tracing.txt
isapnp.txt
java.txt
kernel-doc-nano-HOWTO.txt
kernel-docs.txt Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
kernel-parameters.txt PCI/PM: Do not use native PCIe PME by default 2010-06-18 09:36:37 -07:00
keys-request-key.txt
keys.txt
kmemcheck.txt
kmemleak.txt
kobject.txt kobject: documentation: Update to refer to kset-example.c. 2010-03-19 07:12:20 -07:00
kprobes.txt Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-05-20 09:20:59 -07:00
kref.txt
ldm.txt
leds-class.txt
leds-lp3944.txt
local_ops.txt
lockdep-design.txt
lockstat.txt
logo.gif
logo.txt
magic-number.txt
Makefile Documentation/fs/: split txt and source files 2010-03-12 15:52:35 -08:00
ManagementStyle
mca.txt
md.txt Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
memory-barriers.txt Document Linux's circular buffering capabilities 2010-03-24 16:31:22 -07:00
memory-hotplug.txt
memory.txt
mono.txt
mutex-design.txt Rename .text.lock to .text..lock. 2010-03-03 11:26:00 +01:00
nmi_watchdog.txt
nommu-mmap.txt
numastat.txt
oops-tracing.txt panic: Add taint flag TAINT_FIRMWARE_WORKAROUND ('I') 2010-05-19 08:37:43 +01:00
padata.txt Add a document describing the padata interface 2010-05-14 09:18:55 -06:00
parport-lowlevel.txt
parport.txt
pi-futex.txt
pnp.txt
preempt-locking.txt
printk-formats.txt
prio_tree.txt
rbtree.txt
rfkill.txt Document the rfkill sysfs ABI 2010-03-10 17:09:33 -05:00
robust-futex-ABI.txt
robust-futexes.txt
rt-mutex-design.txt Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
rt-mutex.txt
rtc.txt
SAK.txt
SecurityBugs
SELinux.txt
serial-console.txt
sgi-ioc4.txt
sgi-visws.txt
slow-work.txt
SM501.txt
Smack.txt Documentation/: it's -> its where appropriate 2010-04-23 02:09:52 +02:00
sparse.txt doc: Change urls for sparse 2010-04-27 22:59:07 +02:00
spinlocks.txt
stable_api_nonsense.txt
stable_kernel_rules.txt Documentation: -stable rules: upstream commit ID requirement reworded 2010-04-22 15:24:56 -07:00
SubmitChecklist Documentation: update SubmitChecklist for O=objdir and kconfig testing 2010-05-24 07:31:20 -07:00
SubmittingDrivers Documentation: SubmittingDrivers: Resources 2010-05-27 09:12:43 -07:00
SubmittingPatches
svga.txt
sysfs-rules.txt Fix typos in comments 2010-03-16 11:47:56 +01:00
sysrq.txt Input: Documentation/sysrq.txt - update KEY_SYSRQ info 2010-05-19 10:14:15 -07:00
tomoyo.txt
unaligned-memory-access.txt
unicode.txt
unshare.txt
VGA-softcursor.txt
vgaarbiter.txt
video-output.txt
volatile-considered-harmful.txt Documentation/volatile-considered-harmful.txt: correct cpu_relax() documentation 2010-03-24 16:31:20 -07:00
zorro.txt