On Thu, Jan 28, 2016 at 12:55:38PM +0530, Shilpasri G Bhat wrote: > cpu_to_chip_id() does a DT walk through to find out the chip id by > taking a contended device tree lock. This adds an unnecessary overhead > in a hot path. So instead of calling cpu_to_chip_id() everytime cache > the chip ids for all cores in the array 'core_to_chip_map' and use it > in the hotpath. > > Reported-by: Anton Blanchard <an...@samba.org> > Signed-off-by: Shilpasri G Bhat <shilpa.b...@linux.vnet.ibm.com>
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com> -- Thanks and Regards gautham. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
