diff options
| author | Pavel <pavel@ucw.cz> | 2018-10-28 13:01:27 +0100 |
|---|---|---|
| committer | Pavel <pavel@ucw.cz> | 2019-01-07 11:22:37 +0100 |
| commit | eebc92504e6c813ae86b80a2eeab4a7f820fe899 (patch) | |
| tree | 27b580cba9d6f1874194e4c043098b49396886a7 | |
| parent | 27d1e907cbed3d3c44329c4d3fd97f63e0f7c69c (diff) | |
| download | linux-k-eebc92504e6c813ae86b80a2eeab4a7f820fe899.tar.gz | |
fix?: better explain various bugs.
| -rw-r--r-- | arch/x86/include/asm/cpufeatures.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 6d61225247114..037d944c75d4a 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -360,7 +360,7 @@ #define X86_BUG_FDIV X86_BUG(1) /* FPU FDIV */ #define X86_BUG_COMA X86_BUG(2) /* Cyrix 6x86 coma */ #define X86_BUG_AMD_TLB_MMATCH X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */ -#define X86_BUG_AMD_APIC_C1E X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */ +#define X86_BUG_AMD_APIC_C1E X86_BUG(4) /* System is affected AMD Erratum 400, special idle routine is needed */ #define X86_BUG_11AP X86_BUG(5) /* Bad local APIC aka 11AP */ #define X86_BUG_FXSAVE_LEAK X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */ #define X86_BUG_CLFLUSH_MONITOR X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */ @@ -375,7 +375,7 @@ #define X86_BUG_NULL_SEG X86_BUG(10) /* Nulling a selector preserves the base */ #define X86_BUG_SWAPGS_FENCE X86_BUG(11) /* SWAPGS without input dep on GS */ #define X86_BUG_MONITOR X86_BUG(12) /* IPI required to wake up remote CPU */ -#define X86_BUG_AMD_E400 X86_BUG(13) /* CPU is among the affected by Erratum 400 */ +#define X86_BUG_AMD_E400 X86_BUG(13) /* System may be affected by Erratum 400, X86_BUG_AMD_APIC_C1E might be needed */ #define X86_BUG_CPU_MELTDOWN X86_BUG(14) /* CPU is affected by meltdown attack and needs kernel page table isolation */ #define X86_BUG_SPECTRE_V1 X86_BUG(15) /* CPU is affected by Spectre variant 1 attack with conditional branches */ #define X86_BUG_SPECTRE_V2 X86_BUG(16) /* CPU is affected by Spectre variant 2 attack with indirect branches */ |