tree 6b2d9084e05083daf6de69421f323c958b1d46ec
parent 3122c331190e9d1622bf1c8cf6ce3b17cca67c9e
author Andrew Morton <akpm@linux-foundation.org> 1218786027 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1218814543 -0700

kexec: use a mutex for locking rather than xchg()

Functionally the same, but more conventional.

Cc: Huang Ying <ying.huang@intel.com>
Tested-by: Vivek Goyal <vgoyal@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>