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| author | Oleg Nesterov <oleg@redhat.com> | 2010-05-27 01:43:08 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 20:12:45 +0400 |
| commit | 269b005a28e124a341df4adef2c3661cf7371fcc (patch) | |
| tree | 226b105cc4c1bbe0b3fe92f2733708a7dc2dedb8 /kernel/exit.c | |
| parent | 5e43aef530ba39206f7923295388f7ec3c5a7d93 (diff) | |
| download | linux-269b005a28e124a341df4adef2c3661cf7371fcc.tar.xz | |
coredump: shift down_write(mmap_sem) into coredump_wait()
- move the cprm.mm_flags checks up, before we take mmap_sem
- move down_write(mmap_sem) and ->core_state check from do_coredump()
to coredump_wait()
This simplifies the code and makes the locking symmetrical.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/exit.c')
0 files changed, 0 insertions, 0 deletions