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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-15 11:31:54 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-15 11:31:54 +1100 |
| commit | 6dc6472581f693b5fc95aebedf67b4960fb85cf0 (patch) | |
| tree | 06a5a9a08519950575505273eabced331ed51405 /include/linux/rcupreempt.h | |
| parent | ee673eaa72d8d185012b1027a05e25aba18c267f (diff) | |
| parent | 8acd3a60bcca17c6d89c73cee3ad6057eb83ba1e (diff) | |
Merge commit 'origin'
Manual fixup of conflicts on:
arch/powerpc/include/asm/dcr-regs.h
drivers/net/ibm_newemac/core.h
Diffstat (limited to 'include/linux/rcupreempt.h')
| -rw-r--r-- | include/linux/rcupreempt.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h index 0967f03b070..3e05c09b54a 100644 --- a/include/linux/rcupreempt.h +++ b/include/linux/rcupreempt.h @@ -57,7 +57,13 @@ static inline void rcu_qsctr_inc(int cpu) rdssp->sched_qs++; } #define rcu_bh_qsctr_inc(cpu) -#define call_rcu_bh(head, rcu) call_rcu(head, rcu) + +/* + * Someone might want to pass call_rcu_bh as a function pointer. + * So this needs to just be a rename and not a macro function. + * (no parentheses) + */ +#define call_rcu_bh call_rcu /** * call_rcu_sched - Queue RCU callback for invocation after sched grace period. @@ -111,7 +117,6 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu); struct softirq_action; #ifdef CONFIG_NO_HZ -DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched); static inline void rcu_enter_nohz(void) { @@ -126,8 +131,8 @@ static inline void rcu_exit_nohz(void) { static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1); - smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */ __get_cpu_var(rcu_dyntick_sched).dynticks++; + smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */ WARN_ON_RATELIMIT(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1), &rs); } |