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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-02 12:54:45 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-02 12:54:45 -0800
commit027eb72cbcf81561867a764074964e2ce9828398 (patch)
tree40defa16b78e50efb9c1ffbf9b3b6d4e1027898b /fs/nfsd/nfs4callback.c
parent1fc576b82b96d9bb033ff0098e1c0bf68de282b2 (diff)
parentb5b46c4740aed1538544f0fa849c5b76c7823469 (diff)
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Ingo Molnar: "A fix for a bad opcode in objtool's instruction decoder" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Fix IRET's opcode
Diffstat (limited to 'fs/nfsd/nfs4callback.c')
0 files changed, 0 insertions, 0 deletions
enable HWP, and so Windows runs in legacy P-state mode, where this setting has no effect. Linux' intel_pstate driver does not require ACPI/CPPC to enable HWP, and so it runs in HWP mode, exposing this incorrect BIOS configuration. There are several ways to address this problem. First, Linux can also run in legacy P-state mode on this system. As intel_pstate is how Linux enables HWP, booting with "intel_pstate=disable" will run in acpi-cpufreq/ondemand legacy p-state mode. Or second, the "performance" governor can be used with intel_pstate, which will modify HWP.EPP to 0. Or third, starting in 4.10, the /sys/devices/system/cpu/cpufreq/policy*/energy_performance_preference attribute in can be updated from "balance_power" to "performance". Or fourth, apply this patch, which fixes the erroneous setting of MSR_IA32_POWER_CTL BIT_EE on this model, allowing the default configuration to function as designed. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Len Brown <len.brown@intel.com> Cc: 4.6+ <stable@vger.kernel.org> # 4.6+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'sound/pci/ctxfi/xfi.c')