On Sat, 2013-08-17 at 16:15 -0700, Greg KH wrote: > 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 <[email protected]> > > --- > > arch/x86/kernel/topology.c | 2 ++ > > drivers/base/cpu.c | 16 ++++++++++++++-- > > 2 files changed, 16 insertions(+), 2 deletions(-) > > Acked-by: Greg Kroah-Hartman <[email protected]>
Thanks Greg! -Toshi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
