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authorPhilippe Schenker <philippe.schenker@toradex.com>2022-05-19 16:29:13 +0200
committerPhilippe Schenker <philippe.schenker@toradex.com>2022-05-19 16:29:13 +0200
commite6fb5c32f78f99682821f91b3959e222c93e4cb9 (patch)
tree3f6c281a7d83a6e3c0a153f93718f7cd9a39b6f7 /arch/x86/include/asm/nospec-branch.h
parent585dc27c53b6c1a32a7e11b724e91d7297388a13 (diff)
parentb7007e1d615b8d4b71c28ebf790c5164fc4491d5 (diff)
Merge remote-tracking branch 'gh-fslc/5.4-2.3.x-imx' into toradex_5.4-2.3.x-imx
Diffstat (limited to 'arch/x86/include/asm/nospec-branch.h')
-rw-r--r--arch/x86/include/asm/nospec-branch.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index b222a3595946..956df82bbc2b 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -115,7 +115,7 @@
ANNOTATE_NOSPEC_ALTERNATIVE
ALTERNATIVE_2 __stringify(ANNOTATE_RETPOLINE_SAFE; jmp *\reg), \
__stringify(RETPOLINE_JMP \reg), X86_FEATURE_RETPOLINE, \
- __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; jmp *\reg), X86_FEATURE_RETPOLINE_AMD
+ __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; jmp *\reg), X86_FEATURE_RETPOLINE_LFENCE
#else
jmp *\reg
#endif
@@ -126,7 +126,7 @@
ANNOTATE_NOSPEC_ALTERNATIVE
ALTERNATIVE_2 __stringify(ANNOTATE_RETPOLINE_SAFE; call *\reg), \
__stringify(RETPOLINE_CALL \reg), X86_FEATURE_RETPOLINE,\
- __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; call *\reg), X86_FEATURE_RETPOLINE_AMD
+ __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; call *\reg), X86_FEATURE_RETPOLINE_LFENCE
#else
call *\reg
#endif
@@ -171,7 +171,7 @@
"lfence;\n" \
ANNOTATE_RETPOLINE_SAFE \
"call *%[thunk_target]\n", \
- X86_FEATURE_RETPOLINE_AMD)
+ X86_FEATURE_RETPOLINE_LFENCE)
# define THUNK_TARGET(addr) [thunk_target] "r" (addr)
#else /* CONFIG_X86_32 */
@@ -201,7 +201,7 @@
"lfence;\n" \
ANNOTATE_RETPOLINE_SAFE \
"call *%[thunk_target]\n", \
- X86_FEATURE_RETPOLINE_AMD)
+ X86_FEATURE_RETPOLINE_LFENCE)
# define THUNK_TARGET(addr) [thunk_target] "rm" (addr)
#endif
@@ -213,9 +213,11 @@
/* The Spectre V2 mitigation variants */
enum spectre_v2_mitigation {
SPECTRE_V2_NONE,
- SPECTRE_V2_RETPOLINE_GENERIC,
- SPECTRE_V2_RETPOLINE_AMD,
- SPECTRE_V2_IBRS_ENHANCED,
+ SPECTRE_V2_RETPOLINE,
+ SPECTRE_V2_LFENCE,
+ SPECTRE_V2_EIBRS,
+ SPECTRE_V2_EIBRS_RETPOLINE,
+ SPECTRE_V2_EIBRS_LFENCE,
};
/* The indirect branch speculation control variants */