John Allen <jal...@linux.vnet.ibm.com> writes:
> Check if an LMB is assigned before attempting to call dlpar_acquire_drc in
> order to avoid any unnecessary rtas calls. This substantially reduces the
> running time of memory hot add on lpars with large amounts of memory.
>
> Signed-off-by: John Allen <jal...@linux.vnet.ibm.com>
I'll add:
Fixes: c21f515c7436 ("powerpc/pseries: Make the acquire/release of the drc
for memory a seperate step")
?
How bad is the slow down, do we need to backport to stable/distros?
cheers
