On 08.10.2025 13:20, Roger Pau Monné wrote: > On Mon, Sep 29, 2025 at 07:35:53PM -0400, Jason Andryuk wrote: >> On 2025-09-25 08:18, Teddy Astie wrote: >>> Le 25/09/2025 à 12:48, Jan Beulich a écrit : >>>> Along with Zen2 (which doesn't expose ERMS), both families reportedly >>>> suffer from sub-optimal aliasing detection when deciding whether REP MOVSB >>>> can actually be carried out the accelerated way. Therefore we want to >>>> avoid its use in the common case (memset(), copy_page_hot()). >>> >>> s/memset/memcpy (memset probably uses rep stosb which is not affected IIUC) >>> >>>> >>>> Reported-by: Andrew Cooper <[email protected]> >>>> Signed-off-by: Jan Beulich <[email protected]> >> >> With Teddy's suggested change: >> >> Reviewed-by: Jason Andryuk <[email protected]> > > Acked-by: Roger Pau Monné <[email protected]>
May I ask for a release-ack here, seeing that it alters behavior that went in close before the freeze? Jan
