>>> On 13.12.16 at 20:24, <andrew.coop...@citrix.com> wrote: > Experimentally, on both Intel and AMD hardware, the mov_ss shadow > inhibits #DB and the VMexit caused by its interception, whereas the sti > shadow doesn't inhibit #DB. Therefore, my planned fix for VT-x is to > unconditionally clobber the sti shadow if we intercept #DB.
I take it you mean "if we intercept #DB and would be about to deliver such an exception". But see also my reply to Kevin - it looks as if us not updating GUEST_PENDING_DBG_EXCEPTIONS might be the problem here. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
