diff options
| author | Perry Yuan <perry.yuan@amd.com> | 2024-10-25 12:14:57 -0500 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-10-25 20:43:22 +0200 |
| commit | b0979e53645825a38f814ca5d3d09aed2745911d (patch) | |
| tree | 184a84796a9e7a9e8bd40bfa655a50d76f0e04e6 /arch/x86/kernel/smpboot.c | |
| parent | 1ad466706671436994ec7e71305f44692fed989a (diff) | |
x86/cpu: Enable SD_ASYM_PACKING for PKG domain on AMD
Enable the SD_ASYM_PACKING domain flag for the PKG domain on AMD heterogeneous
processors. This flag is beneficial for processors with one or more CCDs and
relies on x86_sched_itmt_flags().
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Co-developed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com>
Link: https://lore.kernel.org/r/20241025171459.1093-4-mario.limonciello@amd.com
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 766f092dab80..b5a8f0891135 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -497,8 +497,9 @@ static int x86_cluster_flags(void) static int x86_die_flags(void) { - if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) - return x86_sched_itmt_flags(); + if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU) || + cpu_feature_enabled(X86_FEATURE_AMD_HETEROGENEOUS_CORES)) + return x86_sched_itmt_flags(); return 0; } |