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-rw-r--r--arch/x86/include/asm/mce.h2
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_intel.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 82db1d8f064..c62c13cb978 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -40,7 +40,7 @@
/* CTL2 register defines */
#define MCI_CTL2_CMCI_EN (1ULL << 30)
-#define MCI_CTL2_CMCI_THRESHOLD_MASK 0xffffULL
+#define MCI_CTL2_CMCI_THRESHOLD_MASK 0x7fffULL
#define MCJ_CTX_MASK 3
#define MCJ_CTX(flags) ((flags) & MCJ_CTX_MASK)
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index faf7b2919a8..6fcd0936194 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -102,6 +102,7 @@ static void cmci_discover(int banks, int boot)
continue;
}
+ val &= ~MCI_CTL2_CMCI_THRESHOLD_MASK;
val |= MCI_CTL2_CMCI_EN | CMCI_THRESHOLD;
wrmsrl(MSR_IA32_MCx_CTL2(i), val);
rdmsrl(MSR_IA32_MCx_CTL2(i), val);