1 files changed, 5 insertions, 0 deletions

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 20ce682a2540..da4caf6da739 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -93,6 +93,7 @@
                                                   * Microarchitectural Data
                                                   * Sampling (MDS) vulnerabilities.
                                                   */
+#define ARCH_CAP_TSX_CTRL_MSR           BIT(7)  /* MSR for TSX control is available. */
 
 #define MSR_IA32_FLUSH_CMD              0x0000010b
 #define L1D_FLUSH                       BIT(0)  /*
@@ -103,6 +104,10 @@
 #define MSR_IA32_BBL_CR_CTL             0x00000119
 #define MSR_IA32_BBL_CR_CTL3            0x0000011e
 
+#define MSR_IA32_TSX_CTRL               0x00000122
+#define TSX_CTRL_RTM_DISABLE            BIT(0)  /* Disable RTM feature */
+#define TSX_CTRL_CPUID_CLEAR            BIT(1)  /* Disable TSX enumeration */
+
 #define MSR_IA32_SYSENTER_CS            0x00000174
 #define MSR_IA32_SYSENTER_ESP           0x00000175
 #define MSR_IA32_SYSENTER_EIP           0x00000176