>>> On 25.05.17 at 20:00, <boris.ostrov...@oracle.com> wrote: > On 05/25/2017 01:46 PM, Julien Grall wrote: >> On 25/05/17 18:08, Boris Ostrovsky wrote: >>> Is this: >>> >>> https://lists.xenproject.org/archives/html/xen-devel/2017-05/msg02340.html >>> >>> >>> being deferred to the next RC (if we are having one)? >> >> I missed that issue sorry. So far, this patch lacks of >> Acked-by/Reviewed-by but as a Tested-by. >> >> I am aware the patch that introduced the regression (efa9596e9d >> "x86/mm: fix incorrect unmapping of 2MB and 1GB pages") was attempting >> to prevent breaking down an EPT structure irreversibly when removing >> 2MB and 1GB pages. AFAIU, this commit will improve performance, but a >> boot regression was introduced on AMD platforms. > > > The regression only affects AMD guests that have maxmem > memory. > > Since we have a fix in flight my suggestion would be to release-note > this issue but not revert the offending patch.
I'm pretty convinced we can get this sorted before 4.9 goes out, so +1 to not reverting right away. I'm not even sure is we may notice this in osstest, as I'm uncertain whether there are any tests with maxmem > memory. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
