Re: [Xen-devel] Removing the PVH assert in arch/x86/hvm/io.c:87

2014-12-05 Thread Jan Beulich
>>> On 05.12.14 at 12:07, wrote: > El 05/12/14 a les 10.15, Jan Beulich ha escrit: > On 04.12.14 at 17:35, wrote: >>> I've just stumbled upon this assert while testing PVH on different >>> hardware. It was added in 7c4870 as a safe belt, but it turns out INS >>> and OUTS go through handle_mmi

Re: [Xen-devel] Removing the PVH assert in arch/x86/hvm/io.c:87

2014-12-05 Thread David Vrabel
On 05/12/14 11:07, Roger Pau Monné wrote: > El 05/12/14 a les 10.15, Jan Beulich ha escrit: > On 04.12.14 at 17:35, wrote: >>> I've just stumbled upon this assert while testing PVH on different >>> hardware. It was added in 7c4870 as a safe belt, but it turns out INS >>> and OUTS go through ha

Re: [Xen-devel] Removing the PVH assert in arch/x86/hvm/io.c:87

2014-12-05 Thread Roger Pau Monné
El 05/12/14 a les 10.15, Jan Beulich ha escrit: On 04.12.14 at 17:35, wrote: >> I've just stumbled upon this assert while testing PVH on different >> hardware. It was added in 7c4870 as a safe belt, but it turns out INS >> and OUTS go through handle_mmio. So using this instructions from a PVH

Re: [Xen-devel] Removing the PVH assert in arch/x86/hvm/io.c:87

2014-12-05 Thread Jan Beulich
>>> On 04.12.14 at 17:35, wrote: > I've just stumbled upon this assert while testing PVH on different > hardware. It was added in 7c4870 as a safe belt, but it turns out INS > and OUTS go through handle_mmio. So using this instructions from a PVH > guest basically kills Xen. > > I've removed it a

Re: [Xen-devel] Removing the PVH assert in arch/x86/hvm/io.c:87

2014-12-04 Thread Mukesh Rathor
On Thu, 4 Dec 2014 17:35:59 +0100 Roger Pau Monné wrote: > Hello, > > I've just stumbled upon this assert while testing PVH on different > hardware. It was added in 7c4870 as a safe belt, but it turns out INS > and OUTS go through handle_mmio. So using this instructions from a PVH > guest basica

[Xen-devel] Removing the PVH assert in arch/x86/hvm/io.c:87

2014-12-04 Thread Roger Pau Monné
Hello, I've just stumbled upon this assert while testing PVH on different hardware. It was added in 7c4870 as a safe belt, but it turns out INS and OUTS go through handle_mmio. So using this instructions from a PVH guest basically kills Xen. I've removed it and everything seems fine, so I'm consi