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Praveen Chidambaram e69e5d7c10 cpufreq: Fix panic when setting sampling rate ...

Kernel panics when trying to set the sampling rate before the ondemand
governor CPUFREQ_GOV_START notification is received.

[<c078e500>] panic+0x15c
[<c0012354>] die+0x19c
[<c0018e60>] __do_kernel_fault+0x64
[<c0793660>] do_page_fault+0x3b8
[<c0008514>] do_DataAbort+0x134
[<c0791c58>] __dabt_svc+0x38
[<c02b5c68>] __list_add+0x38
[<c078f1b0>] __mutex_lock_slowpath+0x128
[<c078fc68>] mutex_lock+0x20
[<c05409c4>] store_sampling_rate+0x98
[<c02a6648>] kobj_attr_store+0x18
[<c0183124>] sysfs_write_file+0x108
[<c0131758>] vfs_write+0xac
[<c013188c>] sys_write+0x3c
[<c000e340>] ret_fast_syscall+0x0

Initialize the mutex as part of cpufreq_gov_dbs_init().

Change-Id: Ie9014407d724d7a0a81c076be47df5d08f513407
Signed-off-by: Praveen Chidambaram <pchidamb@codeaurora.org>

2013-02-27 18:16:29 -08:00

..

acpi-cpufreq.c

[CPUFREQ] Handle CPUs with different capabilities in acpi-cpufreq

2011-07-13 18:29:49 -04:00

cpufreq_conservative.c

Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into cputime-tip

2011-12-19 19:23:15 +01:00

cpufreq_gov_msm.c

msm: dcvs: Add 'msm-dcvs' cpufreq governor

2013-02-25 11:29:28 -08:00

cpufreq_interactive.c

cpufreq: interactive: Fix blocked task warnings

2013-01-10 10:38:47 -08:00

cpufreq_ondemand.c

cpufreq: Fix panic when setting sampling rate

2013-02-27 18:16:29 -08:00

cpufreq_performance.c

[CPUFREQ] use dynamic debug instead of custom infrastructure

2011-05-04 11:50:57 -04:00

cpufreq_powersave.c

[CPUFREQ] use dynamic debug instead of custom infrastructure

2011-05-04 11:50:57 -04:00

cpufreq_stats.c

Merge branch 'goog/googly' (early part) into goog/msm-soc-3.4

2013-02-25 11:25:46 -08:00

cpufreq_userspace.c

[CPUFREQ] cpufreq:userspace: fix cpu_cur_freq updation

2012-01-06 10:10:53 -05:00

cpufreq-nforce2.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

cpufreq.c

cpufreq: Fix sysfs deadlock with concurrent hotplug/frequency switch

2013-02-27 18:16:21 -08:00

db8500-cpufreq.c

drivers/cpufreq/db8500-cpufreq: remove references to cpu_*_map.

2012-03-29 15:38:30 +10:30

e_powersaver.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

elanfreq.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

exynos4x12-cpufreq.c

EXYNOS4X12: Add support cpufreq for EXYNOS4X12

2012-03-14 14:39:47 -04:00

exynos4210-cpufreq.c

[CPUFREQ] EXYNOS4210: update the name of EXYNOS clock register

2012-02-29 22:24:38 -05:00

exynos5250-cpufreq.c

EXYNOS5250: Add support cpufreq for EXYNOS5250

2012-03-14 14:39:50 -04:00

exynos-cpufreq.c

EXYNOS5250: Add support cpufreq for EXYNOS5250

2012-03-14 14:39:50 -04:00

freq_table.c

[CPUFREQ] use dynamic debug instead of custom infrastructure

2011-05-04 11:50:57 -04:00

gx-suspmod.c

cpufreq/gx: Fix the compile error

2012-02-02 15:32:12 -08:00

Kconfig

cpufreq: interactive: New 'interactive' governor

2012-04-09 13:57:52 -07:00

Kconfig.arm

cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS

2012-04-13 17:57:40 -07:00

Kconfig.powerpc

powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards

2011-07-19 15:13:04 +10:00

Kconfig.x86

Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2011-05-19 17:55:12 -07:00

longhaul.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

longhaul.h

[CPUFREQ] Move x86 drivers to drivers/cpufreq/

2011-05-19 18:51:07 -04:00

longrun.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

Makefile

msm: dcvs: Add 'msm-dcvs' cpufreq governor

2013-02-25 11:29:28 -08:00

maple-cpufreq.c

powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards

2011-07-19 15:13:04 +10:00

mperf.c

[CPUFREQ] Move x86 drivers to drivers/cpufreq/

2011-05-19 18:51:07 -04:00

mperf.h

[CPUFREQ] Move x86 drivers to drivers/cpufreq/

2011-05-19 18:51:07 -04:00

omap-cpufreq.c

Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system

2012-03-28 15:58:21 -07:00

p4-clockmod.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

pcc-cpufreq.c

drivers/cpufreq/pcc-cpufreq.c: avoid NULL pointer dereference

2011-09-14 18:09:38 -07:00

powernow-k6.c

powernow-k6: Really enable auto-loading

2012-02-13 15:26:03 -08:00

powernow-k7.c

Remove all #inclusions of asm/system.h

2012-03-28 18:30:03 +01:00

powernow-k7.h

[CPUFREQ] Move x86 drivers to drivers/cpufreq/

2011-05-19 18:51:07 -04:00

powernow-k8.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

powernow-k8.h

[CPUFREQ] Move x86 drivers to drivers/cpufreq/

2011-05-19 18:51:07 -04:00

s3c64xx-cpufreq.c

[CPUFREQ] s3c64xx: Fix mis-cherry pick of VDDINT

2012-02-29 22:24:38 -05:00

s3c2416-cpufreq.c

[CPUFREQ] Add S3C2416/S3C2450 cpufreq driver

2012-02-29 22:24:39 -05:00

s5pv210-cpufreq.c

[CPUFREQ] s5pv210: make needlessly global symbols static

2011-07-13 18:30:00 -04:00

sc520_freq.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

speedstep-centrino.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

speedstep-ich.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

speedstep-lib.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00

speedstep-lib.h

[CPUFREQ] Move x86 drivers to drivers/cpufreq/

2011-05-19 18:51:07 -04:00

speedstep-smi.c

cpufreq: Add support for x86 cpuinfo auto loading v4

2012-01-26 16:49:06 -08:00