diff options
| author | Graf Yang <graf.yang@analog.com> | 2010-01-13 06:09:34 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-03-09 00:30:49 -0500 |
| commit | c6669c223a409199a45bb8f31a2e160ee26d19cc (patch) | |
| tree | cb46eb31a6ed699ce7ed31e874e965a38f987bd5 /arch/blackfin/mach-bf527 | |
| parent | 7e1082b7dbb60081b157d82106da33686cb9ea91 (diff) | |
Blackfin: fix up mm locking in address dumping
The locking code in the address dumper needs to grab the mm's mmap_sem
so that other CPUs do not get an inconsistent view. On UP systems this
really wasn't a problem, but it is easy to trigger a race on SMP systems
when another CPU removes a mapping.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mach-bf527')
0 files changed, 0 insertions, 0 deletions