At 18:28 +0100 on 10 Feb (1581359306), Roger Pau Monne wrote: > Introduce a specific flag to request a HVM guest TLB flush, which is > an ASID/VPID tickle that forces a linear TLB flush for all HVM guests. > > This was previously unconditionally done in each pre_flush call, but > that's not required: HVM guests not using shadow don't require linear > TLB flushes as Xen doesn't modify the guest page tables in that case > (ie: when using HAP). > > Modify all shadow code TLB flushes to also flush the guest TLB, in > order to keep the previous behavior. I haven't looked at each specific > shadow code TLB flush in order to figure out whether it actually > requires a guest TLB flush or not, so there might be room for > improvement in that regard. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com> > Reviewed-by: Wei Liu <w...@xen.org>
Acked-by: Tim Deegan <t...@xen.org> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
