diff options
| author | Haibo Xu <haibo.xu@arm.com> | 2019-08-29 10:10:26 +0000 |
|---|---|---|
| committer | Haibo Xu <haibo.xu@arm.com> | 2019-10-09 03:09:52 +0000 |
| commit | ebbf2b7fbdcda80d158b72276786a4a1dcad664a (patch) | |
| tree | e8560e4970a1e88b4432809ab91a0410cee4eaf1 /pkg/atomicbitops/atomic_bitops.go | |
| parent | a357fe427b0bf64c8431ae31e33259ad60febac9 (diff) | |
Enable pkg/atomicbitops support on arm64.
Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I1646aaa6f07b5ec31c39c318b70f48693fe59a7c
Diffstat (limited to 'pkg/atomicbitops/atomic_bitops.go')
| -rw-r--r-- | pkg/atomicbitops/atomic_bitops.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/atomicbitops/atomic_bitops.go b/pkg/atomicbitops/atomic_bitops.go index 63aa2b7f1..fcc41a9ea 100644 --- a/pkg/atomicbitops/atomic_bitops.go +++ b/pkg/atomicbitops/atomic_bitops.go @@ -12,11 +12,12 @@ // See the License for the specific language governing permissions and // limitations under the License. -// +build amd64 +// +build amd64 arm64 // Package atomicbitops provides basic bitwise operations in an atomic way. // The implementation on amd64 leverages the LOCK prefix directly instead of -// relying on the generic cas primitives. +// relying on the generic cas primitives, and the arm64 leverages the LDAXR +// and STLXR pair primitives. // // WARNING: the bitwise ops provided in this package doesn't imply any memory // ordering. Using them to construct locks must employ proper memory barriers. |