Re: [PATCH -rt] catch put_task_struct RCU handling up to mainline

From: Ingo Molnar
Date: Wed Jul 26 2006 - 04:38:56 EST

* Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:

> Hello!
> Due to the separate -rt and mainline evolution of RCU signal handling,
> the -rt patchset now makes each task struct go through two RCU grace
> periods, with one call_rcu() in release_task() and with another in
> put_task_struct(). Only the call_rcu() in release_task() is required,
> since this is the one that is associated with tearing down the task
> structure.
> This patch removes the extra call_rcu() in put_task_struct(), synching
> this up with mainline. Tested lightly on i386.

i've applied your patch to the -rt tree - we'll see how it goes.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at