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_amd64.s | |
| 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_amd64.s')
| -rw-r--r-- | pkg/atomicbitops/atomicbitops_amd64.s | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/pkg/atomicbitops/atomicbitops_amd64.s b/pkg/atomicbitops/atomicbitops_amd64.s index 54c887ee5..f0edd4de7 100644 --- a/pkg/atomicbitops/atomicbitops_amd64.s +++ b/pkg/atomicbitops/atomicbitops_amd64.s @@ -16,28 +16,28 @@ #include "textflag.h" -TEXT ·AndUint32(SB),$0-12 +TEXT ·AndUint32(SB),NOSPLIT,$0-12 MOVQ addr+0(FP), BP MOVL val+8(FP), AX LOCK ANDL AX, 0(BP) RET -TEXT ·OrUint32(SB),$0-12 +TEXT ·OrUint32(SB),NOSPLIT,$0-12 MOVQ addr+0(FP), BP MOVL val+8(FP), AX LOCK ORL AX, 0(BP) RET -TEXT ·XorUint32(SB),$0-12 +TEXT ·XorUint32(SB),NOSPLIT,$0-12 MOVQ addr+0(FP), BP MOVL val+8(FP), AX LOCK XORL AX, 0(BP) RET -TEXT ·CompareAndSwapUint32(SB),$0-20 +TEXT ·CompareAndSwapUint32(SB),NOSPLIT,$0-20 MOVQ addr+0(FP), DI MOVL old+8(FP), AX MOVL new+12(FP), DX @@ -46,28 +46,28 @@ TEXT ·CompareAndSwapUint32(SB),$0-20 MOVL AX, ret+16(FP) RET -TEXT ·AndUint64(SB),$0-16 +TEXT ·AndUint64(SB),NOSPLIT,$0-16 MOVQ addr+0(FP), BP MOVQ val+8(FP), AX LOCK ANDQ AX, 0(BP) RET -TEXT ·OrUint64(SB),$0-16 +TEXT ·OrUint64(SB),NOSPLIT,$0-16 MOVQ addr+0(FP), BP MOVQ val+8(FP), AX LOCK ORQ AX, 0(BP) RET -TEXT ·XorUint64(SB),$0-16 +TEXT ·XorUint64(SB),NOSPLIT,$0-16 MOVQ addr+0(FP), BP MOVQ val+8(FP), AX LOCK XORQ AX, 0(BP) RET -TEXT ·CompareAndSwapUint64(SB),$0-32 +TEXT ·CompareAndSwapUint64(SB),NOSPLIT,$0-32 MOVQ addr+0(FP), DI MOVQ old+8(FP), AX MOVQ new+16(FP), DX |