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author | Ingo Molnar <mingo@elte.hu> | 2009-04-14 11:32:23 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-14 11:32:30 +0200 |
commit | 05cfbd66d07c44865983c8b65ae9d0037d874206 (patch) | |
tree | 084b665cc97b47d1592fe76ea0a39a7753288a02 /include/linux/rcutree.h | |
parent | 31c9a24ec82926fcae49483e53566d231e705057 (diff) | |
parent | ef631b0ca01655d24e9ca7e199262c4a46416a26 (diff) | |
download | linux-05cfbd66d07c44865983c8b65ae9d0037d874206.tar.gz linux-05cfbd66d07c44865983c8b65ae9d0037d874206.tar.xz |
Merge branch 'core/urgent' into core/rcu
Merge reason: new patches to be queued up depend on:
ef631b0: rcu: Make hierarchical RCU less IPI-happy
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/rcutree.h')
-rw-r--r-- | include/linux/rcutree.h | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index a722fb67bb2d..58b2aa5312b9 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -33,7 +33,6 @@ #include <linux/cache.h> #include <linux/spinlock.h> #include <linux/threads.h> -#include <linux/percpu.h> #include <linux/cpumask.h> #include <linux/seqlock.h> @@ -162,9 +161,8 @@ struct rcu_data { unsigned long offline_fqs; /* Kicked due to being offline. */ unsigned long resched_ipi; /* Sent a resched IPI. */ - /* 5) state to allow this CPU to force_quiescent_state on others */ + /* 5) For future __rcu_pending statistics. */ long n_rcu_pending; /* rcu_pending() calls since boot. */ - long n_rcu_pending_force_qs; /* when to force quiescent states. */ int cpu; }; @@ -236,30 +234,8 @@ struct rcu_state { #endif /* #ifdef CONFIG_NO_HZ */ }; -extern struct rcu_state rcu_state; -DECLARE_PER_CPU(struct rcu_data, rcu_data); - -extern struct rcu_state rcu_bh_state; -DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); - -/* - * Increment the quiescent state counter. - * The counter is a bit degenerated: We do not need to know - * how many quiescent states passed, just if there was at least - * one since the start of the grace period. Thus just a flag. - */ -static inline void rcu_qsctr_inc(int cpu) -{ - struct rcu_data *rdp = &per_cpu(rcu_data, cpu); - rdp->passed_quiesc = 1; - rdp->passed_quiesc_completed = rdp->completed; -} -static inline void rcu_bh_qsctr_inc(int cpu) -{ - struct rcu_data *rdp = &per_cpu(rcu_bh_data, cpu); - rdp->passed_quiesc = 1; - rdp->passed_quiesc_completed = rdp->completed; -} +extern void rcu_qsctr_inc(int cpu); +extern void rcu_bh_qsctr_inc(int cpu); extern int rcu_pending(int cpu); extern int rcu_needs_cpu(int cpu); |