On Mon, Feb 18, 2013 at 06:12:54PM +0530, Srivatsa S. Bhat wrote:
> Once stop_machine() is gone from the CPU offline path, we won't be able to
> depend on preempt_disable() or local_irq_disable() to prevent CPUs from
> going offline from under us.
>
> Use the get/put_online_cpus_atomic() APIs to prevent CPUs from going offline,
> while invoking from atomic context.
>
> Cc: Mikael Starvik <star...@axis.com>
> Cc: linux-cris-ker...@axis.com
> Signed-off-by: Srivatsa S. Bhat <srivatsa.b...@linux.vnet.ibm.com>
Acked-by: Jesper Nilsson <jesper.nils...@axis.com>
/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nils...@axis.com
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
