David Gibson <da...@gibson.dropbear.id.au> writes: > On Tue, Jul 23, 2019 at 09:43:55PM +0530, Vaibhav Jain wrote: >> Update the hvcalls.h to include op-codes for new hcalls introduce to >> manage SCM memory. Also update existing hcall definitions to reflect >> current papr specification for SCM. >> >> The removed hcall op-codes H_SCM_MEM_QUERY, H_SCM_BLOCK_CLEAR were >> transient proposals and there support was never implemented by >> Power-VM nor they were used anywhere in Linux kernel. Hence we don't >> expect anyone to be impacted by this change. >> >> Signed-off-by: Vaibhav Jain <vaib...@linux.ibm.com> > > They really should not have been merged while only interim proposals. > But since they have changed, better to update them than not, obviously.
Yes, absolutely agree. It wasn't clear when I merged them that they were *unpublished* and *unstable*. Unfortunately we can't realistically wait for these APIs to be in a published PAPR spec because it seems to take about 5 years for a PAPR spec to escape the IBM firewall. cheers
