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-rw-r--r--arch/x86/kernel/cpu/bugs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 8bf64899f56a..ed54b3b21c39 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -286,6 +286,13 @@ early_param("mds", mds_cmdline);
#undef pr_fmt
#define pr_fmt(fmt) "TAA: " fmt
+enum taa_mitigations {
+ TAA_MITIGATION_OFF,
+ TAA_MITIGATION_UCODE_NEEDED,
+ TAA_MITIGATION_VERW,
+ TAA_MITIGATION_TSX_DISABLED,
+};
+
/* Default mitigation for TAA-affected CPUs */
static enum taa_mitigations taa_mitigation __ro_after_init = TAA_MITIGATION_VERW;
static bool taa_nosmt __ro_after_init;