lkml.org 
[lkml]   [2021]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v4 02/14] x86/cpufeatures: add AMD Fam19h Branch Sampling feature
    On Fri, Dec 10, 2021 at 01:02:17PM -0800, Stephane Eranian wrote:
    > This patch adds a cpu feature for AMD Fam19h Branch Sampling feature as bit
    > 31 of EBX on CPUID leaf function 0x80000008.
    >
    > Signed-off-by: Stephane Eranian <eranian@google.com>
    > ---
    > arch/x86/include/asm/cpufeatures.h | 1 +
    > 1 file changed, 1 insertion(+)
    >
    > diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
    > index d5b5f2ab87a0..e71443f93f04 100644
    > --- a/arch/x86/include/asm/cpufeatures.h
    > +++ b/arch/x86/include/asm/cpufeatures.h
    > @@ -315,6 +315,7 @@
    > #define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */
    > #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */
    > #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */
    > +#define X86_FEATURE_AMD_BRS (13*32+31) /* Branch Sampling available */
    >
    > /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
    > #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */
    > --

    It seems you missed my note from the last time:

    https://lore.kernel.org/r/YY0OUNqv1w/ihmHX@zn.tnic

    --
    Regards/Gruss,
    Boris.

    https://people.kernel.org/tglx/notes-about-netiquette

    \
     
     \ /
      Last update: 2021-12-10 22:22    [W:4.506 / U:0.288 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site