[PATCH tip/core/rcu 7/9] arm64: Use common outgoing-CPU-notification code

[Catalin Marinas]

On Thu, May 21, 2015 at 05:48:33AM -0700, Paul E. McKenney wrote:
> On Thu, May 21, 2015 at 09:58:06AM +0100, Will Deacon wrote:
> > On Tue, May 12, 2015 at 10:50:05PM +0100, Paul E. McKenney wrote:
> > > From: "Paul E. McKenney" <paulmck at linux.vnet.ibm.com>
> > > 
> > > This commit removes the open-coded CPU-offline notification with new
> > > common code.  In particular, this change avoids calling scheduler code
> > > using RCU from an offline CPU that RCU is ignoring.  This is a minimal
> > > change.  A more intrusive change might invoke the cpu_check_up_prepare()
> > > and cpu_set_state_online() functions at CPU-online time, which would
> > > allow onlining throw an error if the CPU did not go offline properly.
> > > 
> > > Signed-off-by: Paul E. McKenney <paulmck at linux.vnet.ibm.com>
> > > Cc: linux-arm-kernel at lists.infradead.org
> > > Cc: Catalin Marinas <catalin.marinas at arm.com>
> > > Cc: Will Deacon <will.deacon at arm.com>
> > > ---
> > >  arch/arm64/kernel/smp.c | 6 ++----
> > >  1 file changed, 2 insertions(+), 4 deletions(-)
> > 
> > I don't have a better idea, so:
> > 
> >   Acked-by: Will Deacon <will.deacon at arm.com>
> > 
> > Is this queued via -tip already, or can we pick it into the arm64 tree
> > for 4.2?
> 
> Feel free to take it into the arm64 tree.  Just let me know, and I
> will drop it from my tree.

Queued for 4.2. Thanks.

-- 
Catalin