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| author |   Ingo Molnar <mingo@kernel.org> | 2015-10-19 10:09:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-19 10:09:54 +0200 |
| commit | c13dc31adb04c3f85d54d2fa13e34206f25742eb (patch) | |
| tree | 09cf55d6f3cc628ac0a303c05dfdcc9af2ad803c /include/linux/list_nulls.h | |
| parent | Linux 4.3-rc6 (diff) | |
| parent | Merge branches 'doc.2015.10.06a', 'percpu-rwsem.2015.10.06a' and 'torture.2015.10.06a' into HEAD (diff) | |
| download | linux-dev-c13dc31adb04c3f85d54d2fa13e34206f25742eb.tar.xz linux-dev-c13dc31adb04c3f85d54d2fa13e34206f25742eb.zip | |
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney:
- Miscellaneous fixes. (Paul E. McKenney, Boqun Feng, Oleg Nesterov, Patrick Marlier)
- Improvements to expedited grace periods. (Paul E. McKenney)
- Performance improvements to and locktorture tests for percpu-rwsem.
(Oleg Nesterov, Paul E. McKenney)
- Torture-test changes. (Paul E. McKenney, Davidlohr Bueso)
- Documentation updates. (Paul E. McKenney)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/list_nulls.h')
| -rw-r--r-- | include/linux/list_nulls.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h index f266661d2666..444d2b1313bd 100644 --- a/include/linux/list_nulls.h +++ b/include/linux/list_nulls.h @@ -76,7 +76,8 @@ static inline void __hlist_nulls_del(struct hlist_nulls_node *n) { struct hlist_nulls_node *next = n->next; struct hlist_nulls_node **pprev = n->pprev; - *pprev = next; + + WRITE_ONCE(*pprev, next); if (!is_a_nulls(next)) next->pprev = pprev; } |