[PATCH 4.4 192/266] x86/speculation: Remove SPECTRE_V2_IBRS in enum spectre_v2_mitigation
From: Greg Kroah-Hartman
Date: Wed May 15 2019 - 08:08:43 EST
From: Jiang Biao <jiang.biao2@xxxxxxxxxx>
commit d9f4426c73002957be5dd39936f44a09498f7560 upstream.
SPECTRE_V2_IBRS in enum spectre_v2_mitigation is never used. Remove it.
Signed-off-by: Jiang Biao <jiang.biao2@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: hpa@xxxxxxxxx
Cc: dwmw2@xxxxxxxxxxxx
Cc: konrad.wilk@xxxxxxxxxx
Cc: bp@xxxxxxx
Cc: zhong.weidong@xxxxxxxxxx
Link: https://lkml.kernel.org/r/1531872194-39207-1-git-send-email-jiang.biao2@xxxxxxxxxx
[bwh: Backported to 4.4: adjust context]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/include/asm/nospec-branch.h | 1 -
1 file changed, 1 deletion(-)
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -169,7 +169,6 @@ enum spectre_v2_mitigation {
SPECTRE_V2_RETPOLINE_MINIMAL_AMD,
SPECTRE_V2_RETPOLINE_GENERIC,
SPECTRE_V2_RETPOLINE_AMD,
- SPECTRE_V2_IBRS,
SPECTRE_V2_IBRS_ENHANCED,
};