lkml.org 
[lkml]   [2019]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] rcu/tree_exp: cleanup initialized but not used rdp(Internet mail)
Date


> 在 2019年4月23日,下午4:06,Paul E. McKenney <paulmck@linux.ibm.com> 写道:
>
> On Tue, Apr 23, 2019 at 09:21:55AM +0800, Jiang Biao wrote:
>> rdp is initialized but never used in synchronize_rcu_expedited(),
>> just remove it.
>>
>> Signed-off-by: Jiang Biao <benbjiang@tencent.com>
>
> I queued and pushed both patches for testing and review, good eyes,
> thank you! I reworded the subject and commit logs, so could you please
> check to make sure that I didn't mess anything up?
>
> Thanx, Paul
>
Already checked, everything’s good to me. Thanks a lot.
Jiang,

>> ---
>> kernel/rcu/tree_exp.h | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
>> index 4c2a0189e748..5772612379e4 100644
>> --- a/kernel/rcu/tree_exp.h
>> +++ b/kernel/rcu/tree_exp.h
>> @@ -733,7 +733,6 @@ static void sync_sched_exp_online_cleanup(int cpu)
>> */
>> void synchronize_rcu_expedited(void)
>> {
>> - struct rcu_data *rdp;
>> struct rcu_exp_work rew;
>> struct rcu_node *rnp;
>> unsigned long s;
>> @@ -770,7 +769,6 @@ void synchronize_rcu_expedited(void)
>> }
>>
>> /* Wait for expedited grace period to complete. */
>> - rdp = per_cpu_ptr(&rcu_data, raw_smp_processor_id());
>> rnp = rcu_get_root();
>> wait_event(rnp->exp_wq[rcu_seq_ctr(s) & 0x3],
>> sync_exp_work_done(s));
>> --
>> 2.17.2 (Apple Git-113)
>>
>
>

\
 
 \ /
  Last update: 2019-04-23 10:47    [W:0.082 / U:3.520 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site