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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-30 20:01:35 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-30 20:01:35 +0300 |
| commit | 70c8a00a09076ca2683ef24356fad2e55f93a427 (patch) | |
| tree | a54329b865a15e29364be31c6567f37807c4c3bb /include/linux | |
| parent | b9a532277938798b53178d5a66af6e2915cb27cf (diff) | |
| parent | 7c4f1c694bf84eac538bee3e411aed10ae617d46 (diff) | |
| download | linux-70c8a00a09076ca2683ef24356fad2e55f93a427.tar.xz | |
Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU fixes from Ingo Molnar:
"Two RCU fixes:
- work around bug with recent GCC versions.
- fix false positive lockdep splat"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Suppress lockdep false positive for rcp->exp_funnel_mutex
rcu: Change _wait_rcu_gp() to work around GCC bug 67055
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/rcupdate.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index ff476515f716..581abf848566 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -230,12 +230,11 @@ void __wait_rcu_gp(bool checktiny, int n, call_rcu_func_t *crcu_array, struct rcu_synchronize *rs_array); #define _wait_rcu_gp(checktiny, ...) \ -do { \ - call_rcu_func_t __crcu_array[] = { __VA_ARGS__ }; \ - const int __n = ARRAY_SIZE(__crcu_array); \ - struct rcu_synchronize __rs_array[__n]; \ - \ - __wait_rcu_gp(checktiny, __n, __crcu_array, __rs_array); \ +do { \ + call_rcu_func_t __crcu_array[] = { __VA_ARGS__ }; \ + struct rcu_synchronize __rs_array[ARRAY_SIZE(__crcu_array)]; \ + __wait_rcu_gp(checktiny, ARRAY_SIZE(__crcu_array), \ + __crcu_array, __rs_array); \ } while (0) #define wait_rcu_gp(...) _wait_rcu_gp(false, __VA_ARGS__) |