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android_kernel_xiaomi_sm8350/drivers
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Dave Jones a496e25dfb [PATCH] Fix cpufreq vs hotplug lockdep recursion. 
[ There's some not quite baked bits in cpufreq-git right now
  so sending this on as a patch instead ]

On Thu, 2006-07-06 at 07:58 -0700, Tom London wrote:

> After installing .2356 I get this each time I boot:
> =======================================================
> [ INFO: possible circular locking dependency detected ]
> -------------------------------------------------------
> S06cpuspeed/1620 is trying to acquire lock:
>  (dbs_mutex){--..}, at: [<c060d6bb>] mutex_lock+0x21/0x24
>
> but task is already holding lock:
>  (cpucontrol){--..}, at: [<c060d6bb>] mutex_lock+0x21/0x24
>
> which lock already depends on the new lock.
>

make sure the cpu hotplug recursive mutex (yuck) is taken early in the
cpufreq codepaths to avoid a AB-BA deadlock.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-07-07 09:46:45 -07:00
..
acorn [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
acpi Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2006-07-03 21:32:50 -07:00
amba
atm [ATM]: add+use poison defines 2006-07-03 19:48:25 -07:00
base
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2006-07-03 15:28:34 -07:00
bluetooth [Bluetooth] Add platform device for virtual and serial devices 2006-07-03 19:54:00 -07:00
cdrom [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
char Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2006-07-03 15:28:34 -07:00
clocksource
connector
cpufreq [PATCH] Fix cpufreq vs hotplug lockdep recursion. 2006-07-07 09:46:45 -07:00
crypto
dio
dma [IOAT]: fix kernel-doc in source files 2006-07-03 19:45:31 -07:00
edac
eisa
fc4 [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
firmware
hwmon
i2c [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
ide [PATCH] lockdep: annotate on-stack completions 2006-07-03 15:27:09 -07:00
ieee1394 [PATCH] lockdep: annotate ieee1394 skb-queue-head locking 2006-07-03 15:27:08 -07:00
infiniband [PATCH] mthca: initialize send and receive queue locks separately 2006-07-04 10:24:57 -07:00
input [PATCH] lockdep: annotate serio 2006-07-03 15:27:07 -07:00
isdn [PATCH] irq-flags: isdn: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
leds
macintosh [POWERPC] Add new interrupt mapping core and change platforms to use it 2006-07-03 21:36:01 +10:00
mca
md [PATCH] lockdep: annotate blkdev nesting 2006-07-03 15:27:10 -07:00
media [PATCH] irq-flags: media: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
message Merge ../scsi-misc-2.6 2006-07-03 09:41:12 -05:00
mfd [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
misc [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
mmc [PATCH] lockdep: annotate on-stack completions, mmc 2006-07-03 15:27:10 -07:00
mtd Merge git://git.infradead.org/mtd-2.6 2006-07-03 21:29:08 -07:00
net [PATCH] myri10ge - Export more parameters to ethtool 2006-07-05 14:08:37 -04:00
nubus
oprofile
parisc [PATCH] irq-flags: PARISC: Use the new IRQF_ constants 2006-07-02 13:58:52 -07:00
parport [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
pci [PATCH] irq-flags: pci: Use the new IRQF_ constants 2006-07-02 13:58:52 -07:00
pcmcia Merge branch 'genirq' of master.kernel.org:/home/rmk/linux-2.6-arm 2006-07-02 15:07:45 -07:00
pnp [PATCH] PNPACPI: support shareable interrupts 2006-07-03 15:26:58 -07:00
rapidio
rtc [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
s390 [PATCH] zfcp: fix incorrect usage of fsf_req_list_lock 2006-07-03 21:25:20 -07:00
sbus [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
scsi [PATCH] ahci: Ensure that we don't grab both functions 2006-07-05 22:58:20 -04:00
serial [ARM] 3710/1: AT91 Serial: Use GPIO API 2006-07-05 14:31:13 +01:00
sh
sn [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
spi [PATCH] lockdep: annotate on-stack completions 2006-07-03 15:27:09 -07:00
tc [PATCH] irq-flags: misc drivers: Use the new IRQF_ constants 2006-07-02 13:58:50 -07:00
telephony
usb Merge master.kernel.org:/home/rmk/linux-2.6-arm 2006-07-03 21:30:03 -07:00
video Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2006-07-03 15:28:34 -07:00
w1
zorro
Kconfig
Makefile