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-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 486f640b02ef..a38ab1fa53a2 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -407,7 +407,9 @@ static void deferred_error_interrupt_enable(struct cpuinfo_x86 *c)
(deferred_error_int_vector != amd_deferred_error_interrupt))
deferred_error_int_vector = amd_deferred_error_interrupt;
- low = (low & ~MASK_DEF_INT_TYPE) | DEF_INT_TYPE_APIC;
+ if (!mce_flags.smca)
+ low = (low & ~MASK_DEF_INT_TYPE) | DEF_INT_TYPE_APIC;
+
wrmsr(MSR_CU_DEF_ERR, low, high);
}