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path: root/pkg/sentry/hostmm/membarrier.go
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Diffstat (limited to 'pkg/sentry/hostmm/membarrier.go')
-rw-r--r--pkg/sentry/hostmm/membarrier.go12
1 files changed, 5 insertions, 7 deletions
diff --git a/pkg/sentry/hostmm/membarrier.go b/pkg/sentry/hostmm/membarrier.go
index 4468d75f1..e4e61a398 100644
--- a/pkg/sentry/hostmm/membarrier.go
+++ b/pkg/sentry/hostmm/membarrier.go
@@ -15,8 +15,6 @@
package hostmm
import (
- "syscall"
-
"golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/log"
@@ -28,9 +26,9 @@ var (
)
func init() {
- supported, _, e := syscall.RawSyscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_QUERY, 0 /* flags */, 0 /* unused */)
+ supported, _, e := unix.RawSyscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_QUERY, 0 /* flags */, 0 /* unused */)
if e != 0 {
- if e != syscall.ENOSYS {
+ if e != unix.ENOSYS {
log.Warningf("membarrier(MEMBARRIER_CMD_QUERY) failed: %s", e.Error())
}
return
@@ -46,7 +44,7 @@ func init() {
haveMembarrierGlobal = true
}
if req := uintptr(linux.MEMBARRIER_CMD_PRIVATE_EXPEDITED | linux.MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED); supported&req == req {
- if _, _, e := syscall.RawSyscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, 0 /* flags */, 0 /* unused */); e != 0 {
+ if _, _, e := unix.RawSyscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, 0 /* flags */, 0 /* unused */); e != 0 {
log.Warningf("membarrier(MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED) failed: %s", e.Error())
} else {
haveMembarrierPrivateExpedited = true
@@ -66,7 +64,7 @@ func HaveGlobalMemoryBarrier() bool {
//
// Preconditions: HaveGlobalMemoryBarrier() == true.
func GlobalMemoryBarrier() error {
- if _, _, e := syscall.Syscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_GLOBAL, 0 /* flags */, 0 /* unused */); e != 0 {
+ if _, _, e := unix.Syscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_GLOBAL, 0 /* flags */, 0 /* unused */); e != 0 {
return e
}
return nil
@@ -83,7 +81,7 @@ func HaveProcessMemoryBarrier() bool {
//
// Preconditions: HaveProcessMemoryBarrier() == true.
func ProcessMemoryBarrier() error {
- if _, _, e := syscall.RawSyscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_PRIVATE_EXPEDITED, 0 /* flags */, 0 /* unused */); e != 0 {
+ if _, _, e := unix.RawSyscall(unix.SYS_MEMBARRIER, linux.MEMBARRIER_CMD_PRIVATE_EXPEDITED, 0 /* flags */, 0 /* unused */); e != 0 {
return e
}
return nil