Re: [Xen-devel] [V1 PATCH 1/2] PVH: set EFER.NX and EFER.SCE for boot vcpu

2014-08-28 Thread Mukesh Rathor
On Thu, 28 Aug 2014 15:18:26 +0100 David Vrabel wrote: > On 27/08/14 23:33, Mukesh Rathor wrote: > > This patch addresses three things for a pvh boot vcpu: > > > > - NX bug on intel: It was recenlty discovered that NX is not being > > honored in PVH on intel since EFER.NX is not being

Re: [Xen-devel] [V1 PATCH 1/2] PVH: set EFER.NX and EFER.SCE for boot vcpu

2014-08-28 Thread David Vrabel
On 27/08/14 23:33, Mukesh Rathor wrote: > This patch addresses three things for a pvh boot vcpu: > > - NX bug on intel: It was recenlty discovered that NX is not being > honored in PVH on intel since EFER.NX is not being set. The pte.NX > bits are ignored if EFER.NX is not set on intel.

Re: [Xen-devel] [V1 PATCH 1/2] PVH: set EFER.NX and EFER.SCE for boot vcpu

2014-08-28 Thread David Vrabel
On 27/08/14 23:33, Mukesh Rathor wrote: This patch addresses three things for a pvh boot vcpu: - NX bug on intel: It was recenlty discovered that NX is not being honored in PVH on intel since EFER.NX is not being set. The pte.NX bits are ignored if EFER.NX is not set on intel. I

Re: [Xen-devel] [V1 PATCH 1/2] PVH: set EFER.NX and EFER.SCE for boot vcpu

2014-08-28 Thread Mukesh Rathor
On Thu, 28 Aug 2014 15:18:26 +0100 David Vrabel david.vra...@citrix.com wrote: On 27/08/14 23:33, Mukesh Rathor wrote: This patch addresses three things for a pvh boot vcpu: - NX bug on intel: It was recenlty discovered that NX is not being honored in PVH on intel since EFER.NX is

[V1 PATCH 1/2] PVH: set EFER.NX and EFER.SCE for boot vcpu

2014-08-27 Thread Mukesh Rathor
This patch addresses three things for a pvh boot vcpu: - NX bug on intel: It was recenlty discovered that NX is not being honored in PVH on intel since EFER.NX is not being set. The pte.NX bits are ignored if EFER.NX is not set on intel. - PVH boot hang on newer xen: Following c/s

[V1 PATCH 1/2] PVH: set EFER.NX and EFER.SCE for boot vcpu

2014-08-27 Thread Mukesh Rathor
This patch addresses three things for a pvh boot vcpu: - NX bug on intel: It was recenlty discovered that NX is not being honored in PVH on intel since EFER.NX is not being set. The pte.NX bits are ignored if EFER.NX is not set on intel. - PVH boot hang on newer xen: Following c/s