Messages in this thread | | | Date | Fri, 23 Apr 2010 16:31:59 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH 1/8] KVM: SVM: Fix nested nmi handling |
| |
On Fri, Apr 23, 2010 at 04:24:54PM +0200, Alexander Graf wrote: > > On 23.04.2010, at 16:22, Joerg Roedel wrote:
> > No, nested_svm_nmi runs in atomic context where we can't emulate a > > vmexit. We set exit_required and emulate the vmexit later. > > So we modify the L2 rflags and then trigger a #vmexit, leaving the l2 > state broken?
No, the rflags are changed in enable_nmi_window which isn't called when we run nested and the nested hypervisor intercepts nmi. So it only runs in the !nested case where it can't corrupt L2 state.
Joerg
| |