diff options
| author | Borislav Petkov <bp@suse.de> | 2017-09-07 19:08:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-22 16:58:03 +0200 |
| commit | 5a63725cd18fcee2af6ec46ccb856b64ad3077b4 (patch) | |
| tree | adcf3bbafcdb20d03de0548a391938f126a2f0b4 /arch/x86/include/asm/cpufeatures.h | |
| parent | f69e91f2c4ce59deb66bd30150e5153c08873ae9 (diff) | |
x86/cpu/AMD: Fix erratum 1076 (CPB bit)
commit f7f3dc00f61261cdc9ccd8b886f21bc4dffd6fd9 upstream
CPUID Fn8000_0007_EDX[CPB] is wrongly 0 on models up to B1. But they do
support CPB (AMD's Core Performance Boosting cpufreq CPU feature), so fix that.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sherry Hurwitz <sherry.hurwitz@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170907170821.16021-1-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/asm/cpufeatures.h')
0 files changed, 0 insertions, 0 deletions