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-rw-r--r--arch/x86/kernel/cpu/common.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 8e3f062..910b47e 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -803,6 +803,12 @@ static void init_speculation_control(struct cpuinfo_x86 *c)
set_cpu_cap(c, X86_FEATURE_STIBP);
set_cpu_cap(c, X86_FEATURE_MSR_SPEC_CTRL);
}
+
+ if (cpu_has(c, X86_FEATURE_AMD_SSBD)) {
+ set_cpu_cap(c, X86_FEATURE_SSBD);
+ set_cpu_cap(c, X86_FEATURE_MSR_SPEC_CTRL);
+ clear_cpu_cap(c, X86_FEATURE_VIRT_SSBD);
+ }
}
void get_cpu_cap(struct cpuinfo_x86 *c)
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