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Message-ID: <20140814212907.GX4752@linux.vnet.ibm.com> Date: Thu, 14 Aug 2014 14:29:07 -0700 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: Pranith Kumar <bobby.prani@...il.com> Cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org>, Lai Jiangshan <laijs@...fujitsu.com>, Dipankar Sarma <dipankar@...ibm.com>, Andrew Morton <akpm@...ux-foundation.org>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Josh Triplett <josh@...htriplett.org>, Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <peterz@...radead.org>, Steven Rostedt <rostedt@...dmis.org>, David Howells <dhowells@...hat.com>, Eric Dumazet <edumazet@...gle.com>, dvhart@...ux.intel.com, Frédéric Weisbecker <fweisbec@...il.com>, Oleg Nesterov <oleg@...hat.com> Subject: Re: [PATCH v5 tip/core/rcu 05/16] rcu: Export RCU-tasks APIs to GPL modules On Thu, Aug 14, 2014 at 03:08:06PM -0400, Pranith Kumar wrote: > On Mon, Aug 11, 2014 at 6:48 PM, Paul E. McKenney > <paulmck@...ux.vnet.ibm.com> wrote: > > From: Steven Rostedt <rostedt@...dmis.org> > > > > This commit exports the RCU-tasks APIs, call_rcu_tasks(), > > synchronize_rcu_tasks(), and rcu_barrier_tasks(), to GPL-licensed > > kernel modules. > > Only two of these are being exported in this patch. Patch 1 is adding > the export for call_rcu_tasks(). Good point, updated the commit log accordingly. Thanx, Paul > > Signed-off-by: Steven Rostedt <rostedt@...dmis.org> > > Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> > > Reviewed-by: Josh Triplett <josh@...htriplett.org> > > --- > > kernel/rcu/update.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c > > index 4cece6e886ee..8f53a41dd9ee 100644 > > --- a/kernel/rcu/update.c > > +++ b/kernel/rcu/update.c > > @@ -433,6 +433,7 @@ void synchronize_rcu_tasks(void) > > /* Wait for the grace period. */ > > wait_rcu_gp(call_rcu_tasks); > > } > > +EXPORT_SYMBOL_GPL(synchronize_rcu_tasks); > > > > /** > > * rcu_barrier_tasks - Wait for in-flight call_rcu_tasks() callbacks. > > @@ -445,6 +446,7 @@ void rcu_barrier_tasks(void) > > /* There is only one callback queue, so this is easy. ;-) */ > > synchronize_rcu_tasks(); > > } > > +EXPORT_SYMBOL_GPL(rcu_barrier_tasks); > > > > /* See if tasks are still holding out, complain if so. */ > > static void check_holdout_task(struct task_struct *t) > > -- > > 1.8.1.5 > > > > > > -- > Pranith > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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