Re: [PATCHv7 07/10] acpi/hmat: Register processor domain to its memory
From: Keith Busch
Date: Mon Mar 11 2019 - 15:52:09 EST
On Mon, Mar 11, 2019 at 11:20:41AM +0000, Jonathan Cameron wrote:
> On Wed, 27 Feb 2019 15:50:35 -0700
> Keith Busch <keith.busch@xxxxxxxxx> wrote:
> > +static __init void hmat_register_target_initiators(struct memory_target *target)
> > +{
> > + static DECLARE_BITMAP(p_nodes, MAX_NUMNODES);
> > + struct memory_initiator *initiator;
> > + unsigned int mem_nid, cpu_nid;
> > + struct memory_locality *loc = NULL;
> > + u32 best = 0;
> > + int i;
> > +
> (upshot of the below is I removed this test :)
> > + if (target->processor_pxm == PXM_INVAL)
> > + return;
>
> This doesn't look right. We check first if it is invalid and return....
Yeah, Brice mentioned the same bug. I must have been mistakenly
reintroduced that when I rebased to linux-next. I also have a test case
for this and recall it was working at one point. I've got it fixed up
now for the next revision.