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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2009-08-22 13:56:49 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-23 10:32:38 +0200 |
| commit | 65cf8f866fc0fb40fa9daaded7e938a886d6f7c5 (patch) | |
| tree | 88ca0b1bab821ea7e887384ffaecf751d7ec54bc /kernel/rcutree.c | |
| parent | 5699ed8fcb0c32ca699e2a27ad716eb70b367dbf (diff) | |
| download | op-kernel-dev-65cf8f866fc0fb40fa9daaded7e938a886d6f7c5.zip op-kernel-dev-65cf8f866fc0fb40fa9daaded7e938a886d6f7c5.tar.gz | |
rcu: Merge per-RCU-flavor initialization into pre-existing macro
Rename the RCU_DATA_PTR_INIT() macro to RCU_INIT_FLAVOR() and
make it do the rcu_init_one() and rcu_boot_init_percpu_data()
calls. Merge the loop that was in the original macro with the
loops that were in __rcu_init().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: akpm@linux-foundation.org
Cc: mathieu.desnoyers@polymtl.ca
Cc: josht@linux.vnet.ibm.com
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
LKML-Reference: <12509746133916-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/rcutree.c')
| -rw-r--r-- | kernel/rcutree.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 4d71d4e..7c51508 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -1543,8 +1543,9 @@ static void __init rcu_init_one(struct rcu_state *rsp) * Helper macro for __rcu_init(). To be used nowhere else! * Assigns leaf node pointers into each CPU's rcu_data structure. */ -#define RCU_DATA_PTR_INIT(rsp, rcu_data) \ +#define RCU_INIT_FLAVOR(rsp, rcu_data) \ do { \ + rcu_init_one(rsp); \ rnp = (rsp)->level[NUM_RCU_LVLS - 1]; \ j = 0; \ for_each_possible_cpu(i) { \ @@ -1552,6 +1553,7 @@ do { \ j++; \ per_cpu(rcu_data, i).mynode = &rnp[j]; \ (rsp)->rda[i] = &per_cpu(rcu_data, i); \ + rcu_boot_init_percpu_data(i, rsp); \ } \ } while (0) @@ -1565,14 +1567,8 @@ void __init __rcu_init(void) #ifdef CONFIG_RCU_CPU_STALL_DETECTOR printk(KERN_INFO "RCU-based detection of stalled CPUs is enabled.\n"); #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */ - rcu_init_one(&rcu_sched_state); - RCU_DATA_PTR_INIT(&rcu_sched_state, rcu_sched_data); - for_each_possible_cpu(i) - rcu_boot_init_percpu_data(i, &rcu_sched_state); - rcu_init_one(&rcu_bh_state); - RCU_DATA_PTR_INIT(&rcu_bh_state, rcu_bh_data); - for_each_possible_cpu(i) - rcu_boot_init_percpu_data(i, &rcu_bh_state); + RCU_INIT_FLAVOR(&rcu_sched_state, rcu_sched_data); + RCU_INIT_FLAVOR(&rcu_bh_state, rcu_bh_data); open_softirq(RCU_SOFTIRQ, rcu_process_callbacks); } |
