Message ID | 1491383361-22886-9-git-send-email-Wei.Chen@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c index 41955af..1e130fb 100644 --- a/xen/arch/arm/traps.c +++ b/xen/arch/arm/traps.c @@ -162,6 +162,15 @@ static void __init parse_serrors_behavior(const char *str) } custom_param("serrors", parse_serrors_behavior); +static int __init update_serrors_cpu_caps(void) +{ + if ( serrors_op != SERRORS_DIVERSE ) + cpus_set_cap(SKIP_SYNCHRONIZE_SERROR_ENTRY_EXIT); + + return 0; +} +__initcall(update_serrors_cpu_caps); + void init_traps(void) { /* Setup Hyp vector base */ diff --git a/xen/include/asm-arm/cpufeature.h b/xen/include/asm-arm/cpufeature.h index c0a25ae..9eb72e1 100644 --- a/xen/include/asm-arm/cpufeature.h +++ b/xen/include/asm-arm/cpufeature.h @@ -40,8 +40,9 @@ #define ARM32_WORKAROUND_766422 2 #define ARM64_WORKAROUND_834220 3 #define LIVEPATCH_FEATURE 4 +#define SKIP_SYNCHRONIZE_SERROR_ENTRY_EXIT 5 -#define ARM_NCAPS 5 +#define ARM_NCAPS 6 #ifndef __ASSEMBLY__