1 files changed, 13 insertions, 2 deletions

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index d705c769f77d..ff891772c9f8 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -573,11 +573,21 @@ static u32 bdx_deadline_rev(void)
         return ~0U;
 }
 
+static u32 skx_deadline_rev(void)
+{
+        switch (boot_cpu_data.x86_mask) {
+        case 0x03: return 0x01000136;
+        case 0x04: return 0x02000014;
+        }
+
+        return ~0U;
+}
+
 static const struct x86_cpu_id deadline_match[] = {
         DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_HASWELL_X,        hsx_deadline_rev),
         DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_BROADWELL_X,      0x0b000020),
         DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_BROADWELL_XEON_D, bdx_deadline_rev),
-        DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_SKYLAKE_X,        0x02000014),
+        DEADLINE_MODEL_MATCH_FUNC( INTEL_FAM6_SKYLAKE_X,        skx_deadline_rev),
 
         DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_HASWELL_CORE,     0x22),
         DEADLINE_MODEL_MATCH_REV ( INTEL_FAM6_HASWELL_ULT,      0x20),
@@ -600,7 +610,8 @@ static void apic_check_deadline_errata(void)
         const struct x86_cpu_id *m;
         u32 rev;
 
-        if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER))
+        if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER) ||
+            boot_cpu_has(X86_FEATURE_HYPERVISOR))
                 return;
 
         m = x86_match_cpu(deadline_match);