Enable the SD_ASYM_PACKING domain flag for the DIE 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@xxxxxxx>
---
arch/x86/kernel/smpboot.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 0c35207320cb..16a893322c4b 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -496,7 +496,8 @@ static int x86_cluster_flags(void)
static int x86_die_flags(void)
{
- if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU))
+ if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU) ||
+ cpu_feature_enabled(X86_FEATURE_HETERO_CORE_TOPOLOGY))
return x86_sched_itmt_flags();
return 0;
--
2.34.1
