| Date | Tue, 25 Jun 2013 13:45:31 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH v2 25/45] staging/octeon: Use get/put_online_cpus_atomic() to prevent CPU offline |
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On Wed, Jun 26, 2013 at 02:00:04AM +0530, Srivatsa S. Bhat wrote: > Once stop_machine() is gone from the CPU offline path, we won't be able > to depend on disabling preemption 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: devel@driverdev.osuosl.org > Acked-by: David Daney <david.daney@cavium.com> > Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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