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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-29 00:19:27 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-29 00:19:28 (GMT) |
| commit | 532bfc851a7475fb6a36c1e953aa395798a7cca7 (patch) | |
| tree | a7892e5a31330dd59f31959efbe9fda1803784fd /kernel/sys.c | |
| parent | 0195c00244dc2e9f522475868fa278c473ba7339 (diff) | |
| parent | 8da00edc1069f01c34510fa405dc15d96c090a3f (diff) | |
| download | linux-532bfc851a7475fb6a36c1e953aa395798a7cca7.tar.xz | |
Merge branch 'akpm' (Andrew's patch-bomb)
Merge third batch of patches from Andrew Morton:
- Some MM stragglers
- core SMP library cleanups (on_each_cpu_mask)
- Some IPI optimisations
- kexec
- kdump
- IPMI
- the radix-tree iterator work
- various other misc bits.
"That'll do for -rc1. I still have ~10 patches for 3.4, will send
those along when they've baked a little more."
* emailed from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
backlight: fix typo in tosa_lcd.c
crc32: add help text for the algorithm select option
mm: move hugepage test examples to tools/testing/selftests/vm
mm: move slabinfo.c to tools/vm
mm: move page-types.c from Documentation to tools/vm
selftests/Makefile: make `run_tests' depend on `all'
selftests: launch individual selftests from the main Makefile
radix-tree: use iterators in find_get_pages* functions
radix-tree: rewrite gang lookup using iterator
radix-tree: introduce bit-optimized iterator
fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
nbd: rename the nbd_device variable from lo to nbd
pidns: add reboot_pid_ns() to handle the reboot syscall
sysctl: use bitmap library functions
ipmi: use locks on watchdog timeout set on reboot
ipmi: simplify locking
ipmi: fix message handling during panics
ipmi: use a tasklet for handling received messages
ipmi: increase KCS timeouts
ipmi: decrease the IPMI message transaction time in interrupt mode
...
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 9eb7fca..e7006eb 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -444,6 +444,15 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd, magic2 != LINUX_REBOOT_MAGIC2C)) return -EINVAL; + /* + * If pid namespaces are enabled and the current task is in a child + * pid_namespace, the command is handled by reboot_pid_ns() which will + * call do_exit(). + */ + ret = reboot_pid_ns(task_active_pid_ns(current), cmd); + if (ret) + return ret; + /* Instead of trying to make the power_off code look like * halt when pm_power_off is not set do it the easy way. */ |