On Thu, Nov 14, 2019 at 11:39 AM Andrew Cooper <andrew.coop...@citrix.com> wrote: > > On 14/11/2019 18:34, Tamas K Lengyel wrote: > > * Comments: All works, altp2m+introspection requires the ept=pml=0 > > boot flag specified to workaround a deadlock in Xen > > Is this separate from the general problem with EPT A/D and > write-protecting pagetables? >
It sounds like it is, it happens without write-protecting in-guest pagetables. I didn't have time to investigate where the deadlock happens and since the workaround is fine for the usecase it wasn't a priority to figure out. Tamas _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
