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| author | Daniel J Walsh <dwalsh@redhat.com> | 2021-11-19 14:25:58 -0500 |
|---|---|---|
| committer | Daniel J Walsh <dwalsh@redhat.com> | 2021-11-19 14:26:03 -0500 |
| commit | 44b240470270021e2680afe9de62e5096067a1bf (patch) | |
| tree | eae48e206f340a2695b1f54582fb3b28fc7cad2d /vendor/golang.org/x/sys/cpu | |
| parent | 2755d0255c94ac2ef797636935f83e3351d4d5af (diff) | |
| download | podman-44b240470270021e2680afe9de62e5096067a1bf.tar.gz podman-44b240470270021e2680afe9de62e5096067a1bf.tar.bz2 podman-44b240470270021e2680afe9de62e5096067a1bf.zip | |
Bump github.com/rootless-containers/rootlesskit from 0.14.5 to 0.14.6
Bumps [github.com/rootless-containers/rootlesskit](https://github.com/rootless-containers/rootlesskit) from 0.14.5 to 0.14.6.
- [Release notes](https://github.com/rootless-containers/rootlesskit/releases)
- [Commits](rootless-containers/rootlesskit@v0.14.5...v0.14.6)
---
updated-dependencies:
- dependency-name: github.com/rootless-containers/rootlesskit
dependency-type: direct:production
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>
Diffstat (limited to 'vendor/golang.org/x/sys/cpu')
| -rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_x86.go | 7 | ||||
| -rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_x86.s | 24 |
2 files changed, 4 insertions, 27 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu_x86.go b/vendor/golang.org/x/sys/cpu/cpu_x86.go index 5ea287b7e..f5aacfc82 100644 --- a/vendor/golang.org/x/sys/cpu/cpu_x86.go +++ b/vendor/golang.org/x/sys/cpu/cpu_x86.go @@ -90,9 +90,10 @@ func archInit() { osSupportsAVX = isSet(1, eax) && isSet(2, eax) if runtime.GOOS == "darwin" { - // Check darwin commpage for AVX512 support. Necessary because: - // https://github.com/apple/darwin-xnu/blob/0a798f6738bc1db01281fc08ae024145e84df927/osfmk/i386/fpu.c#L175-L201 - osSupportsAVX512 = osSupportsAVX && darwinSupportsAVX512() + // Darwin doesn't save/restore AVX-512 mask registers correctly across signal handlers. + // Since users can't rely on mask register contents, let's not advertise AVX-512 support. + // See issue 49233. + osSupportsAVX512 = false } else { // Check if OPMASK and ZMM registers have OS support. osSupportsAVX512 = osSupportsAVX && isSet(5, eax) && isSet(6, eax) && isSet(7, eax) diff --git a/vendor/golang.org/x/sys/cpu/cpu_x86.s b/vendor/golang.org/x/sys/cpu/cpu_x86.s index b748ba52f..39acab2ff 100644 --- a/vendor/golang.org/x/sys/cpu/cpu_x86.s +++ b/vendor/golang.org/x/sys/cpu/cpu_x86.s @@ -26,27 +26,3 @@ TEXT ·xgetbv(SB),NOSPLIT,$0-8 MOVL AX, eax+0(FP) MOVL DX, edx+4(FP) RET - -// func darwinSupportsAVX512() bool -TEXT ·darwinSupportsAVX512(SB), NOSPLIT, $0-1 - MOVB $0, ret+0(FP) // default to false -#ifdef GOOS_darwin // return if not darwin -#ifdef GOARCH_amd64 // return if not amd64 -// These values from: -// https://github.com/apple/darwin-xnu/blob/xnu-4570.1.46/osfmk/i386/cpu_capabilities.h -#define commpage64_base_address 0x00007fffffe00000 -#define commpage64_cpu_capabilities64 (commpage64_base_address+0x010) -#define commpage64_version (commpage64_base_address+0x01E) -#define hasAVX512F 0x0000004000000000 - MOVQ $commpage64_version, BX - CMPW (BX), $13 // cpu_capabilities64 undefined in versions < 13 - JL no_avx512 - MOVQ $commpage64_cpu_capabilities64, BX - MOVQ $hasAVX512F, CX - TESTQ (BX), CX - JZ no_avx512 - MOVB $1, ret+0(FP) -no_avx512: -#endif -#endif - RET |