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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:15 +0000
commit68c1b0995e963349e50f8a8b00ebc140908f7882 (patch)
treeae3788542761985ee15e3d1ca439706040d1eb0c /arch/x86/include/asm/msr-index.h
parentReleasing progress-linux version 4.19.269-1progress5u1. (diff)
downloadlinux-68c1b0995e963349e50f8a8b00ebc140908f7882.tar.xz
linux-68c1b0995e963349e50f8a8b00ebc140908f7882.zip
Merging upstream version 4.19.282.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--arch/x86/include/asm/msr-index.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 0bd07699d..847f3f582 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -50,6 +50,10 @@
#define SPEC_CTRL_RRSBA_DIS_S_SHIFT 6 /* Disable RRSBA behavior */
#define SPEC_CTRL_RRSBA_DIS_S BIT(SPEC_CTRL_RRSBA_DIS_S_SHIFT)
+/* A mask for bits which the kernel toggles when controlling mitigations */
+#define SPEC_CTRL_MITIGATIONS_MASK (SPEC_CTRL_IBRS | SPEC_CTRL_STIBP | SPEC_CTRL_SSBD \
+ | SPEC_CTRL_RRSBA_DIS_S)
+
#define MSR_IA32_PRED_CMD 0x00000049 /* Prediction Command */
#define PRED_CMD_IBPB BIT(0) /* Indirect Branch Prediction Barrier */