diff options
Diffstat (limited to 'sysdeps/x86/cpu-features.c')
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 6496512a0d..73b0a4dc9a 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -75,6 +75,7 @@ update_usable (struct cpu_features *cpu_features) CPU_FEATURE_SET_USABLE (cpu_features, PREFETCHWT1); CPU_FEATURE_SET_USABLE (cpu_features, OSPKE); CPU_FEATURE_SET_USABLE (cpu_features, WAITPKG); + CPU_FEATURE_SET_USABLE (cpu_features, SHSTK); CPU_FEATURE_SET_USABLE (cpu_features, GFNI); CPU_FEATURE_SET_USABLE (cpu_features, RDPID); CPU_FEATURE_SET_USABLE (cpu_features, RDRAND); @@ -84,6 +85,7 @@ update_usable (struct cpu_features *cpu_features) CPU_FEATURE_SET_USABLE (cpu_features, FSRM); CPU_FEATURE_SET_USABLE (cpu_features, SERIALIZE); CPU_FEATURE_SET_USABLE (cpu_features, TSXLDTRK); + CPU_FEATURE_SET_USABLE (cpu_features, IBT); CPU_FEATURE_SET_USABLE (cpu_features, LAHF64_SAHF64); CPU_FEATURE_SET_USABLE (cpu_features, LZCNT); CPU_FEATURE_SET_USABLE (cpu_features, SSE4A); @@ -705,6 +707,11 @@ no_cpuid: /* Check CET status. */ unsigned int cet_status = get_cet_status (); + if ((cet_status & GNU_PROPERTY_X86_FEATURE_1_IBT) == 0) + CPU_FEATURE_UNSET (cpu_features, IBT) + if ((cet_status & GNU_PROPERTY_X86_FEATURE_1_SHSTK) == 0) + CPU_FEATURE_UNSET (cpu_features, SHSTK) + if (cet_status) { GL(dl_x86_feature_1) = cet_status; @@ -720,9 +727,9 @@ no_cpuid: GLIBC_TUNABLES=glibc.cpu.hwcaps=-IBT,-SHSTK */ unsigned int cet_feature = 0; - if (!HAS_CPU_FEATURE (IBT)) + if (!CPU_FEATURE_USABLE (IBT)) cet_feature |= GNU_PROPERTY_X86_FEATURE_1_IBT; - if (!HAS_CPU_FEATURE (SHSTK)) + if (!CPU_FEATURE_USABLE (SHSTK)) cet_feature |= GNU_PROPERTY_X86_FEATURE_1_SHSTK; if (cet_feature) |