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Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index dee0f3d814af..ec7b64c2df82 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -436,7 +436,8 @@ const struct cpumask *cpu_coregroup_mask(int cpu) * For perf, we return last level cache shared map. * And for power savings, we return cpu_core_map */ - if (sched_mc_power_savings || sched_smt_power_savings) + if ((sched_mc_power_savings || sched_smt_power_savings) && + !(cpu_has(c, X86_FEATURE_AMD_DCM))) return cpu_core_mask(cpu); else return c->llc_shared_map; |