On Sat, Aug 17, 2013 at 01:46:57PM -0600, Toshi Kani wrote: > lock_device_hotplug() serializes CPU & Memory online/offline and hotplug > operations. However, this lock is not held in the debug interfaces below > that initiate CPU online/offline operations. > > - _debug_hotplug_cpu(), cpu0 hotplug test interface enabled by > CONFIG_DEBUG_HOTPLUG_CPU0. > - cpu_probe_store() and cpu_release_store(), cpu hotplug test interface > enabled by CONFIG_ARCH_CPU_PROBE_RELEASE. > > This patch changes the above interfaces to hold lock_device_hotplug(). > > Signed-off-by: Toshi Kani <toshi.k...@hp.com> > --- > arch/x86/kernel/topology.c | 2 ++ > drivers/base/cpu.c | 16 ++++++++++++++-- > 2 files changed, 16 insertions(+), 2 deletions(-)
Acked-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
