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Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_read.go')
-rw-r--r--pkg/sentry/syscalls/linux/sys_read.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_read.go b/pkg/sentry/syscalls/linux/sys_read.go
index b2474e60d..3ab54271c 100644
--- a/pkg/sentry/syscalls/linux/sys_read.go
+++ b/pkg/sentry/syscalls/linux/sys_read.go
@@ -191,7 +191,6 @@ func Preadv(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
}
// Preadv2 implements linux syscall preadv2(2).
-// TODO(b/120162627): Implement RWF_HIPRI functionality.
func Preadv2(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
// While the syscall is
// preadv2(int fd, struct iovec* iov, int iov_cnt, off_t offset, int flags)
@@ -228,6 +227,8 @@ func Preadv2(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca
}
// Check flags field.
+ // Note: gVisor does not implement the RWF_HIPRI feature, but the flag is
+ // accepted as a valid flag argument for preadv2.
if flags&^linux.RWF_VALID != 0 {
return 0, nil, syserror.EOPNOTSUPP
}