lkml.org 
[lkml]   [2019]   [Jan]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCHv4 06/13] acpi/hmat: Register processor domain to its memory
On Thu, Jan 17, 2019 at 4:11 AM Rafael J. Wysocki <rafael@kernel.org> wrote:
>
> On Wed, Jan 16, 2019 at 6:59 PM Keith Busch <keith.busch@intel.com> wrote:
> >
> > If the HMAT Subsystem Address Range provides a valid processor proximity
> > domain for a memory domain, or a processor domain with the highest
> > performing access exists, register the memory target with that initiator
> > so this relationship will be visible under the node's sysfs directory.
> >
> > Since HMAT requires valid address ranges have an equivalent SRAT entry,
> > verify each memory target satisfies this requirement.
>
> What exactly will happen after this patch?
>
> There will be some new directories under
> /sys/devices/system/node/nodeX/ if all goes well. Anything else?

When / if the memory randomization series [1] makes its way upstream
there will be a follow-on patch to enable that randomization based on
the presence of a memory-side cache published in the HMAT.

[1]: https://lwn.net/Articles/767614/

\
 
 \ /
  Last update: 2019-01-17 18:01    [W:0.043 / U:1.796 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site