diff options
| author | Dave Hansen <dave.hansen@linux.intel.com> | 2017-08-31 02:23:00 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-05 17:44:25 +0300 |
| commit | eb82151d0b1df53d1ad8d060ecd554ca12eb552a (patch) | |
| tree | f84284e5399a5caee2e11a9d0cc4a774f3c6685f /arch/x86/include/asm/cpufeature.h | |
| parent | 3e3d38fd9832e82a8cb1a5b1154acfa43ac08d15 (diff) | |
| download | linux-eb82151d0b1df53d1ad8d060ecd554ca12eb552a.tar.xz | |
kaiser: enhanced by kernel and user PCIDs
Merged performance improvements to Kaiser, using distinct kernel
and user Process Context Identifiers to minimize the TLB flushing.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/asm/cpufeature.h')
| -rw-r--r-- | arch/x86/include/asm/cpufeature.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index f7ba9fbf12ee..72a4343b774f 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -187,6 +187,7 @@ #define X86_FEATURE_ARAT ( 7*32+ 1) /* Always Running APIC Timer */ #define X86_FEATURE_CPB ( 7*32+ 2) /* AMD Core Performance Boost */ #define X86_FEATURE_EPB ( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */ +#define X86_FEATURE_INVPCID_SINGLE ( 7*32+ 4) /* Effectively INVPCID && CR4.PCIDE=1 */ #define X86_FEATURE_PLN ( 7*32+ 5) /* Intel Power Limit Notification */ #define X86_FEATURE_PTS ( 7*32+ 6) /* Intel Package Thermal Status */ #define X86_FEATURE_DTHERM ( 7*32+ 7) /* Digital Thermal Sensor */ |