x86/spectre: Add missing family 6 check to microcode check

[linux.git] / arch / x86 / kernel / cpu / intel.c

diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 401e8c1331089ebcd6b752fddc71d3214f6d331a..fc3c07fe7df58a22c01c8c1180d0b394bde8b59a 100644 (file)
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -150,6 +150,9 @@ static bool bad_spectre_microcode(struct cpuinfo_x86 *c)
        if (cpu_has(c, X86_FEATURE_HYPERVISOR))
                return false;
 
+       if (c->x86 != 6)
+               return false;
+
        for (i = 0; i < ARRAY_SIZE(spectre_bad_microcodes); i++) {
                if (c->x86_model == spectre_bad_microcodes[i].model &&
                    c->x86_stepping == spectre_bad_microcodes[i].stepping)