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 set.

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.