On Thu, Nov 15, 2007 at 07:22:02PM +0530, Gautham R Shenoy wrote: > Replace all lock_cpu_hotplug/unlock_cpu_hotplug from the kernel and use > get_online_cpus and put_online_cpus instead as it highlights > the refcount semantics in these operations. > > The new API guarantees protection against the cpu-hotplug operation, > but it doesn't guarantee serialized access to any of the local data > structures. Hence the changes needs to be reviewed. > > In case of pseries_add_processor/pseries_remove_processor, use > cpu_maps_update_begin()/cpu_maps_update_done() as we're modifying the > cpu_present_map there. > > Signed-off-by: Gautham R Shenoy <[EMAIL PROTECTED]> > --- > Documentation/cpu-hotplug.txt | 11 ++++++----- > arch/mips/kernel/mips-mt-fpaff.c | 10 +++++-----
Acked-by: Ralf Baechle <[EMAIL PROTECTED]> for the MIPS part. Ralf - 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/
