linux-sg2042/drivers/cpufreq
Dirk Brandewie d3929b8328 cpufreq / intel_pstate: Do not load on VM that does not report max P state.
It seems some VMs support the P state MSRs but return zeros. Fail
gracefully if we are running in this environment.

References: https://bugzilla.redhat.com/show_bug.cgi?id=916833
Reported-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-03-06 23:40:11 +01:00
..
Kconfig cpufreq: instantiate cpufreq-cpu0 as a platform_driver 2013-02-02 00:01:16 +01:00
Kconfig.arm Driver core patches for 3.9-rc1 2013-02-21 12:05:51 -08:00
Kconfig.powerpc powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards 2011-07-19 15:13:04 +10:00
Kconfig.x86 Driver core patches for 3.9-rc1 2013-02-21 12:05:51 -08:00
Makefile arm-soc: driver specific changes 2013-02-21 15:12:18 -08:00
acpi-cpufreq.c cpufreq: governors: implement generic policy_is_shared 2013-02-02 00:01:16 +01:00
cpufreq-cpu0.c cpufreq: Remove unnecessary use of policy->shared_type 2013-02-02 01:29:32 +01:00
cpufreq-nforce2.c cpufreq: Add support for x86 cpuinfo auto loading v4 2012-01-26 16:49:06 -08:00
cpufreq.c Merge branch 'pm-cpufreq' 2013-02-15 13:59:07 +01:00
cpufreq_conservative.c cpufreq: conservative: Fix typos in comments 2013-02-09 12:56:19 +01:00
cpufreq_governor.c cpufreq: governors: Fix WARN_ON() for multi-policy platforms 2013-02-09 01:21:13 +01:00
cpufreq_governor.h cpufreq: Fix a typo in comment 2013-03-04 14:23:11 +01:00
cpufreq_ondemand.c cpufreq: ondemand: Fix typos in comments 2013-02-09 12:56:19 +01:00
cpufreq_performance.c cpufreq: Improve debug prints 2012-11-15 00:33:06 +01:00
cpufreq_powersave.c cpufreq: Improve debug prints 2012-11-15 00:33:06 +01:00
cpufreq_stats.c cpufreq_stats: do not remove sysfs files if frequency table is not present 2013-02-09 12:55:59 +01:00
cpufreq_userspace.c cpufreq: Don't check cpu_online(policy->cpu) 2013-02-09 01:18:34 +01:00
dbx500-cpufreq.c arm-soc: driver specific changes 2013-02-21 15:12:18 -08:00
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
exynos-cpufreq.c arm-soc: cleanups 2013-02-21 14:58:40 -08:00
exynos-cpufreq.h arm-soc: cleanups 2013-02-21 14:58:40 -08:00
exynos4x12-cpufreq.c arm-soc: cleanups 2013-02-21 14:58:40 -08:00
exynos4210-cpufreq.c arm-soc: cleanups 2013-02-21 14:58:40 -08:00
exynos5250-cpufreq.c arm-soc: cleanups 2013-02-21 14:58:40 -08:00
freq_table.c cpufreq: Don't check cpu_online(policy->cpu) 2013-02-09 01:18:34 +01:00
gx-suspmod.c cpufreq/gx: Fix the compile error 2012-02-02 15:32:12 -08:00
highbank-cpufreq.c cpufreq: highbank: do not initialize array with a loop 2013-03-04 14:23:11 +01:00
imx6q-cpufreq.c imx6q-cpufreq: fix return value check in imx6q_cpufreq_probe() 2013-02-23 00:30:25 +01:00
intel_pstate.c cpufreq / intel_pstate: Do not load on VM that does not report max P state. 2013-03-06 23:40:11 +01:00
kirkwood-cpufreq.c cpufreq: kirkwood: Add a cpufreq driver for Marvell Kirkwood SoCs 2013-02-09 12:56:08 +01:00
longhaul.c cpufreq / Longhaul: Disable driver by default 2013-01-03 13:11:18 +01:00
longhaul.h sections: fix section conflicts in drivers/cpufreq 2012-09-14 21:10:46 +02:00
longrun.c cpufreq: Add support for x86 cpuinfo auto loading v4 2012-01-26 16:49:06 -08:00
maple-cpufreq.c cpufreq: Set all cpus in policy->cpus for single cluster SoCs 2013-02-02 01:29:31 +01:00
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 cpufreq: Remove unnecessary use of policy->shared_type 2013-02-02 01:29:32 +01:00
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: fix error return code 2012-08-08 20:49:25 +02:00
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 powernow-k8: Cleanup init function 2013-02-02 00:01:15 +01:00
powernow-k8.h cpufreq: Remove support for hardware P-state chips from powernow-k8 2012-09-09 22:05:30 +02:00
s3c64xx-cpufreq.c [CPUFREQ] s3c64xx: Fix mis-cherry pick of VDDINT 2012-02-29 22:24:38 -05:00
s3c2416-cpufreq.c cpufreq: Fix typo in cpufreq driver 2012-07-20 10:37:40 +02:00
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
spear-cpufreq.c cpufreq: Set all cpus in policy->cpus for single cluster SoCs 2013-02-02 01:29:31 +01:00
speedstep-centrino.c cpufreq: Add support for x86 cpuinfo auto loading v4 2012-01-26 16:49:06 -08:00
speedstep-ich.c cpufreq: Fix typo in cpufreq driver 2012-07-20 10:37:40 +02:00
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