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| author | Jamie Liu <jamieliu@google.com> | 2020-10-08 16:21:14 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-10-08 16:23:04 -0700 |
| commit | 6bad4851d4a04b5f56ade1f8ba68bd9c16471533 (patch) | |
| tree | 4487fa50c8ea63fe79264861d8523777a407dd4d /pkg/sentry/mm/mm.go | |
| parent | 6768e6c59ec252854a1633e184b69dc5723ac3f3 (diff) | |
Implement MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ.
cf. 2a36ab717e8f "rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ"
PiperOrigin-RevId: 336186795
Diffstat (limited to 'pkg/sentry/mm/mm.go')
| -rw-r--r-- | pkg/sentry/mm/mm.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/sentry/mm/mm.go b/pkg/sentry/mm/mm.go index 43567b92c..92cc87d84 100644 --- a/pkg/sentry/mm/mm.go +++ b/pkg/sentry/mm/mm.go @@ -243,6 +243,12 @@ type MemoryManager struct { // // membarrierPrivateEnabled is accessed using atomic memory operations. membarrierPrivateEnabled uint32 + + // membarrierRSeqEnabled is non-zero if EnableMembarrierRSeq has previously + // been called. + // + // membarrierRSeqEnabled is accessed using atomic memory operations. + membarrierRSeqEnabled uint32 } // vma represents a virtual memory area. |