Messages in this thread | | | Date | Mon, 1 Mar 2010 11:47:22 -0800 | Subject | Re: [tip:core/rcu] rcu: Make task_subsys_state() RCU-lockdep checks handle boot-time use | From | Paul Menage <> |
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On Sun, Feb 28, 2010 at 12:59 AM, tip-bot for Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote: > Commit-ID: 1883c79a57a5fe25309007590cccb1b2782c41b2 > Gitweb: http://git.kernel.org/tip/1883c79a57a5fe25309007590cccb1b2782c41b2 > Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com> > AuthorDate: Sat, 27 Feb 2010 14:53:08 -0800 > Committer: Ingo Molnar <mingo@elte.hu> > CommitDate: Sun, 28 Feb 2010 09:17:42 +0100 > > rcu: Make task_subsys_state() RCU-lockdep checks handle boot-time use > > It is apparently legal to invoke task_subsys_state() without RCU > protection during early boot time. After all, there are no > concurrent tasks, so there can be no grace periods completing > concurrently. > > But this does need an Acked-by from the cgroups folks. > > Located-by: Ingo Molnar <mingo@elte.hu> > Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Paul Menage <menage@google.com>
Thanks.
Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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