Christoph Egger
2011-Aug-19 12:02 UTC
[Xen-devel] [PATCH] nestedhvm: avoid endless loop of nested page faults
Stop sending IPIs to flush the nested-on-nested pagetable after write operations. Instead flush the TLB only. This fixes an endless loop of nested page faults after adding an entry to the nested-on-nested pagetable. Signed-off-by: Christoph Egger <Christoph.Egger@amd.com> -- ---to satisfy European Law for business letters: Advanced Micro Devices GmbH Einsteinring 24, 85689 Dornach b. Muenchen Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen Registergericht Muenchen, HRB Nr. 43632 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Tim Deegan
2011-Aug-19 12:46 UTC
Re: [Xen-devel] [PATCH] nestedhvm: avoid endless loop of nested page faults
At 14:02 +0200 on 19 Aug (1313762545), Christoph Egger wrote:> Stop sending IPIs to flush the nested-on-nested pagetable > after write operations. Instead flush the TLB only. > This fixes an endless loop of nested page faults after > adding an entry to the nested-on-nested pagetable. > > Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>Applied, thanks. Tim. -- Tim Deegan <tim@xen.org> Principal Software Engineer, Xen Platform Team Citrix Systems UK Ltd. (Company #02937203, SL9 0BG) _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel