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Signed-off-by: Mario Limonciello Tested-by: Peter Jung --- v2: * Fix c23 compatibility issue reported by LKP --- arch/x86/kernel/smpboot.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index b5a8f0891135b..6a38cf3feb1a9 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -62,6 +62,8 @@ #include #include =20 +#include + #include #include #include @@ -501,6 +503,15 @@ static int x86_die_flags(void) cpu_feature_enabled(X86_FEATURE_AMD_HETEROGENEOUS_CORES)) return x86_sched_itmt_flags(); =20 + if (boot_cpu_data.x86_vendor =3D=3D X86_VENDOR_AMD || + boot_cpu_data.x86_vendor =3D=3D X86_VENDOR_HYGON) { + bool prefcore =3D false; + + amd_detect_prefcore(&prefcore); + if (prefcore) + return x86_sched_itmt_flags(); + } + return 0; } =20 base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37 --=20 2.43.0