On Tue, Nov 27, 2012 at 01:58:27PM +0800, Li Zhong wrote:
> This patch uses the real new value of dynticks_nesting instead of 0 in
> rcu_eqs_enter_common().
>
> Signed-off-by: Li Zhong <zhong@xxxxxxxxxxxxxxxxxx>
Good catch! Queued for 3.9.
Thanx, Paul
> ---
> kernel/rcutree.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/rcutree.c b/kernel/rcutree.c
> index 7733eb5..6b7e314 100644
> --- a/kernel/rcutree.c
> +++ b/kernel/rcutree.c
> @@ -339,7 +339,7 @@ static struct rcu_node *rcu_get_root(struct rcu_state *rsp)
> static void rcu_eqs_enter_common(struct rcu_dynticks *rdtp, long long oldval,
> bool user)
> {
> - trace_rcu_dyntick("Start", oldval, 0);
> + trace_rcu_dyntick("Start", oldval, rdtp->dynticks_nesting);
> if (!user && !is_idle_task(current)) {
> struct task_struct *idle = idle_task(smp_processor_id());
>
> --
> 1.7.11.4
>
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