diff options
| author | Trilok Soni <tsoni@codeaurora.org> | 2016-08-25 19:05:37 -0700 |
|---|---|---|
| committer | Trilok Soni <tsoni@codeaurora.org> | 2016-08-26 14:34:05 -0700 |
| commit | 5ab1e18aa3913d454e1bd1498b20ee581aae2c6b (patch) | |
| tree | 42bd10ef0bf5cdb8deb05656bf802c77dc580ff7 /kernel/locking | |
| parent | e97b6a0e0217f7c072fdad6c50673cd7a64348e1 (diff) | |
Revert "Merge remote-tracking branch 'msm-4.4/tmp-510d0a3f' into msm-4.4"
This reverts commit 9d6fd2c3e9fcfb ("Merge remote-tracking branch
'msm-4.4/tmp-510d0a3f' into msm-4.4"), because it breaks the
dump parsing tools due to kernel can be loaded anywhere in the memory
now and not fixed at linear mapping.
Change-Id: Id416f0a249d803442847d09ac47781147b0d0ee6
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
Diffstat (limited to 'kernel/locking')
| -rw-r--r-- | kernel/locking/mcs_spinlock.h | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/kernel/locking/mcs_spinlock.h b/kernel/locking/mcs_spinlock.h index c835270f0c2f..5b9102a47ea5 100644 --- a/kernel/locking/mcs_spinlock.h +++ b/kernel/locking/mcs_spinlock.h @@ -67,13 +67,7 @@ void mcs_spin_lock(struct mcs_spinlock **lock, struct mcs_spinlock *node) node->locked = 0; node->next = NULL; - /* - * We rely on the full barrier with global transitivity implied by the - * below xchg() to order the initialization stores above against any - * observation of @node. And to provide the ACQUIRE ordering associated - * with a LOCK primitive. - */ - prev = xchg(lock, node); + prev = xchg_acquire(lock, node); if (likely(prev == NULL)) { /* * Lock acquired, don't need to set node->locked to 1. Threads |