On Fri, Jan 29, 2016 at 04:23:56PM +1100, David Gibson wrote: > Currently, the only error that htab_remove_mapping() can report is -EINVAL, > if removal of bolted HPTEs isn't implemeted for this platform. We make > a few clean ups to the handling of this: > > * EINVAL isn't really the right code - there's nothing wrong with the > function's arguments - use ENODEV instead > * We were also printing a warning message, but that's a decision better > left up to the callers, so remove it > * One caller is vmemmap_remove_mapping(), which will just BUG_ON() on > error, making the warning message irrelevant, so no change is needed > there. > * The other caller is remove_section_mapping(). This is called in the > memory hot remove path at a point after vmemmap_remove_mapping() so > if hpte_removebolted isn't implemented, we'd expect to have already > BUG()ed anyway. Put a WARN_ON() here, in lieu of a printk() since this > really shouldn't be happening. > > Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
Reviewed-by: Paul Mackerras <pau...@samba.org> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
