Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-15 Thread Andy Lutomirski
On Tue, Dec 15, 2015 at 4:13 AM, Stefano Stabellini wrote: > On Mon, 14 Dec 2015, Andy Lutomirski wrote: >> On Mon, Dec 14, 2015 at 6:12 AM, Michael S. Tsirkin wrote: >> > On Mon, Dec 14, 2015 at 02:00:05PM +, David Vrabel wrote: >> >> On

[CISTI'2016]: Doctoral Symposium

2015-12-15 Thread Maria Lemos
- Doctoral Symposium of CISTI'2016 - CISTI'2016 - 11th Iberian Conference on Information Systems and Technologies 15 - 18 june, 2016, Gran Canaria Island, Span http://www.aisti.eu/cisti2016/index.php/en/doctoral-symposium

Re: [Xen-devel] kasan_map_early_shadow() on Xen

2015-12-15 Thread Luis R. Rodriguez
On Fri, Mar 6, 2015 at 8:47 AM, Luis R. Rodriguez wrote: > If I had a technical solution to this problem I'd propose it but I don't, > I'm just flagging it right now and hope we can come up with one. Shortly I'll be posting part of a proactive solution I believe we could

Re: [PATCH v3 3/4] VSOCK: Introduce vhost-vsock.ko

2015-12-15 Thread Stefan Hajnoczi
On Fri, Dec 11, 2015 at 01:45:29PM +, Alex Bennée wrote: > > + if (head == vq->num) { > > + if (unlikely(vhost_enable_notify(>dev, vq))) { > > + vhost_disable_notify(>dev, vq); > > + continue; > > Why are we doing

Re: [PATCH v3 4/4] VSOCK: Add Makefile and Kconfig

2015-12-15 Thread Stefan Hajnoczi
On Fri, Dec 11, 2015 at 05:19:08PM +, Alex Bennée wrote: > > +config VHOST_VSOCK > > + tristate "vhost virtio-vsock driver" > > + depends on VSOCKETS && EVENTFD > > + select VIRTIO_VSOCKETS_COMMON > > + select VHOST > > + select VHOST_RING > > + default n > > + ---help--- > > +

Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-15 Thread Stefano Stabellini
On Mon, 14 Dec 2015, Andy Lutomirski wrote: > On Mon, Dec 14, 2015 at 6:12 AM, Michael S. Tsirkin wrote: > > On Mon, Dec 14, 2015 at 02:00:05PM +, David Vrabel wrote: > >> On 07/12/15 16:19, Stefano Stabellini wrote: > >> > Hi all, > >> > > >> > this patch series introduces

Re: [Xen-devel] [PATCH v2 0/3] Fix and cleanup for 32-bit PV sysexit

2015-12-15 Thread Andrew Cooper
On 19/11/15 22:07, Andy Lutomirski wrote: > On Thu, Nov 19, 2015 at 1:55 PM, Boris Ostrovsky > wrote: >> The first patch fixes Xen PV regression introduced by 32-bit rewrite. Unlike >> the >> earlier version it uses ALTERNATIVE instruction and avoids using xen_sysexit

Re: [Xen-devel] [PATCH v2 0/3] Fix and cleanup for 32-bit PV sysexit

2015-12-15 Thread Andy Lutomirski
On Tue, Dec 15, 2015 at 12:40 PM, Andrew Cooper wrote: > On 19/11/15 22:07, Andy Lutomirski wrote: >> On Thu, Nov 19, 2015 at 1:55 PM, Boris Ostrovsky >> wrote: >>> The first patch fixes Xen PV regression introduced by 32-bit rewrite. >>>

Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-15 Thread Michael S. Tsirkin
On Mon, Dec 14, 2015 at 10:27:52AM -0800, Andy Lutomirski wrote: > On Mon, Dec 14, 2015 at 6:12 AM, Michael S. Tsirkin wrote: > > On Mon, Dec 14, 2015 at 02:00:05PM +, David Vrabel wrote: > >> On 07/12/15 16:19, Stefano Stabellini wrote: > >> > Hi all, > >> > > >> > this

Re: [PATCH v2 1/3] x86/xen: Avoid fast syscall path for Xen PV guests

2015-12-15 Thread Boris Ostrovsky
On 12/15/2015 10:48 AM, Borislav Petkov wrote: On Tue, Dec 15, 2015 at 10:21:37AM -0500, Boris Ostrovsky wrote: I know this has been in the tip tree --- when do you think this will go Linus tree? In the 4.4 timeframe? It is queued for 4.5 currently. Xen 32-bit PV guests are broken without

Re: [PATCH v2 1/3] x86/xen: Avoid fast syscall path for Xen PV guests

2015-12-15 Thread Andy Lutomirski
On Tue, Dec 15, 2015 at 7:54 AM, Boris Ostrovsky wrote: > On 12/15/2015 10:48 AM, Borislav Petkov wrote: >> >> On Tue, Dec 15, 2015 at 10:21:37AM -0500, Boris Ostrovsky wrote: >>> >>> I know this has been in the tip tree --- when do you think this will go >>> Linus

Re: [Xen-devel] [PATCH RFC 0/3] Xen on Virtio

2015-12-15 Thread Michael S. Tsirkin
On Tue, Dec 15, 2015 at 08:45:32AM -0800, Andy Lutomirski wrote: > On Tue, Dec 15, 2015 at 4:13 AM, Stefano Stabellini > wrote: > > On Mon, 14 Dec 2015, Andy Lutomirski wrote: > >> On Mon, Dec 14, 2015 at 6:12 AM, Michael S. Tsirkin > >> wrote:

Re: [PATCH v2 1/3] x86/xen: Avoid fast syscall path for Xen PV guests

2015-12-15 Thread Boris Ostrovsky
On 11/19/2015 04:55 PM, Boris Ostrovsky wrote: After 32-bit syscall rewrite, and specifically after commit 5f310f739b4c ("x86/entry/32: Re-implement SYSENTER using the new C path"), the stack frame that is passed to xen_sysexit is no longer a "standard" one (i.e. it's not pt_regs). Since we end