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authorIngo Molnar <mingo@elte.hu>2011-05-27 12:38:52 +0200
committerIngo Molnar <mingo@elte.hu>2011-05-28 17:41:05 +0200
commit29f742f88a32c9ab8cf6d9ba69e1ea918be5aa58 (patch)
treea38aa38c8025e050ec82a7e64d02dca07f90ffc7 /kernel/rcutree.h
parentf62508f68d04adefc4cf9b0177ba02c8818b3eec (diff)
parent23b5c8fa01b723c70a20d6e4ef4ff54c7656d6e1 (diff)
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Merge branch 'rcu/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu into core/urgent
Diffstat (limited to 'kernel/rcutree.h')
-rw-r--r--kernel/rcutree.h9
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 2576648..93d4a1c 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -84,11 +84,9 @@
* Dynticks per-CPU state.
*/
struct rcu_dynticks {
- int dynticks_nesting; /* Track nesting level, sort of. */
- int dynticks; /* Even value for dynticks-idle, else odd. */
- int dynticks_nmi; /* Even value for either dynticks-idle or */
- /* not in nmi handler, else odd. So this */
- /* remains even for nmi from irq handler. */
+ int dynticks_nesting; /* Track irq/process nesting level. */
+ int dynticks_nmi_nesting; /* Track NMI nesting level. */
+ atomic_t dynticks; /* Even value for dynticks-idle, else odd. */
};
/* RCU's kthread states for tracing. */
@@ -284,7 +282,6 @@ struct rcu_data {
/* 3) dynticks interface. */
struct rcu_dynticks *dynticks; /* Shared per-CPU dynticks state. */
int dynticks_snap; /* Per-GP tracking for dynticks. */
- int dynticks_nmi_snap; /* Per-GP tracking for dynticks_nmi. */
#endif /* #ifdef CONFIG_NO_HZ */
/* 4) reasons this CPU needed to be kicked by force_quiescent_state */