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authorJamie Liu <jamieliu@google.com>2019-06-06 16:27:09 -0700
committerShentubot <shentubot@google.com>2019-06-06 16:29:46 -0700
commitb3f104507d7a04c0ca058cbcacc5ff78d853f4ba (patch)
treefb45110e8c9329b16165a92e67edb2c184de0dd6 /pkg/sentry/syscalls/linux/linux64.go
parenta26043ee53a2f38b81c9eaa098d115025e87f4c3 (diff)
"Implement" mbind(2).
We still only advertise a single NUMA node, and ignore mempolicy accordingly, but mbind() at least now succeeds and has effects reflected by get_mempolicy(). Also fix handling of nodemasks: round sizes to unsigned long (as documented and done by Linux), and zero trailing bits when copying them out. PiperOrigin-RevId: 251950859
Diffstat (limited to 'pkg/sentry/syscalls/linux/linux64.go')
-rw-r--r--pkg/sentry/syscalls/linux/linux64.go3
1 files changed, 1 insertions, 2 deletions
diff --git a/pkg/sentry/syscalls/linux/linux64.go b/pkg/sentry/syscalls/linux/linux64.go
index 3e4d312af..ad88b1391 100644
--- a/pkg/sentry/syscalls/linux/linux64.go
+++ b/pkg/sentry/syscalls/linux/linux64.go
@@ -360,8 +360,7 @@ var AMD64 = &kernel.SyscallTable{
235: Utimes,
// @Syscall(Vserver, note:Not implemented by Linux)
236: syscalls.Error(syscall.ENOSYS), // Vserver, not implemented by Linux
- // @Syscall(Mbind, returns:EPERM or ENOSYS, note:Returns EPERM if the process does not have cap_sys_nice; ENOSYS otherwise), TODO(b/117792295)
- 237: syscalls.CapError(linux.CAP_SYS_NICE), // may require cap_sys_nice
+ 237: Mbind,
238: SetMempolicy,
239: GetMempolicy,
// 240: @Syscall(MqOpen), TODO(b/29354921)