diff options
| author | Adin Scannell <ascannell@google.com> | 2020-03-30 12:36:30 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-03-30 12:37:57 -0700 |
| commit | 3fac85da951f9f56d0232718ea7584250cf11f31 (patch) | |
| tree | aef282ad8f9dda532fb7d629d6d4aa58ab5e7487 /pkg/atomicbitops/atomicbitops_noasm.go | |
| parent | 4aee3706406d6b102540ad5bea272b7c893da827 (diff) | |
kvm: handle exit reasons even under EINTR.
In the case of other signals (preemption), inject a normal bounce and
defer the signal until the vCPU has been returned from guest mode.
PiperOrigin-RevId: 303799678
Diffstat (limited to 'pkg/atomicbitops/atomicbitops_noasm.go')
| -rw-r--r-- | pkg/atomicbitops/atomicbitops_noasm.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/atomicbitops/atomicbitops_noasm.go b/pkg/atomicbitops/atomicbitops_noasm.go index 3b2898256..4e9c27b98 100644 --- a/pkg/atomicbitops/atomicbitops_noasm.go +++ b/pkg/atomicbitops/atomicbitops_noasm.go @@ -20,6 +20,7 @@ import ( "sync/atomic" ) +//go:nosplit func AndUint32(addr *uint32, val uint32) { for { o := atomic.LoadUint32(addr) @@ -30,6 +31,7 @@ func AndUint32(addr *uint32, val uint32) { } } +//go:nosplit func OrUint32(addr *uint32, val uint32) { for { o := atomic.LoadUint32(addr) @@ -40,6 +42,7 @@ func OrUint32(addr *uint32, val uint32) { } } +//go:nosplit func XorUint32(addr *uint32, val uint32) { for { o := atomic.LoadUint32(addr) @@ -50,6 +53,7 @@ func XorUint32(addr *uint32, val uint32) { } } +//go:nosplit func CompareAndSwapUint32(addr *uint32, old, new uint32) (prev uint32) { for { prev = atomic.LoadUint32(addr) @@ -62,6 +66,7 @@ func CompareAndSwapUint32(addr *uint32, old, new uint32) (prev uint32) { } } +//go:nosplit func AndUint64(addr *uint64, val uint64) { for { o := atomic.LoadUint64(addr) @@ -72,6 +77,7 @@ func AndUint64(addr *uint64, val uint64) { } } +//go:nosplit func OrUint64(addr *uint64, val uint64) { for { o := atomic.LoadUint64(addr) @@ -82,6 +88,7 @@ func OrUint64(addr *uint64, val uint64) { } } +//go:nosplit func XorUint64(addr *uint64, val uint64) { for { o := atomic.LoadUint64(addr) @@ -92,6 +99,7 @@ func XorUint64(addr *uint64, val uint64) { } } +//go:nosplit func CompareAndSwapUint64(addr *uint64, old, new uint64) (prev uint64) { for { prev = atomic.LoadUint64(addr) |