Messages in this thread | | | Date | Fri, 17 Jan 2014 21:29:51 +0100 | From | Radim Krčmář <> | Subject | Re: [PATCH] KVM: SVM: fix NMI window after iret |
| |
2014-01-17 12:18-0800, Greg KH: > On Fri, Jan 17, 2014 at 08:52:42PM +0100, Radim Krčmář wrote: > > We should open NMI window right after an iret, but SVM exits before it. > > We wanted to single step using the trap flag and then open it. > > (or we could emulate the iret instead) > > We don't do it since commit 3842d135ff2 (likely), because the iret exit > > handler does not request an event, so NMI window remains closed until > > the next exit. > > > > Fix this by making KVM_REQ_EVENT request in the iret handler. > > > > Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> > > --- > > (btw. kvm-unit-tests weren't executed on SVM since Nov 2010, at least) > > > > arch/x86/kvm/svm.c | 1 + > > 1 file changed, 1 insertion(+) > > > <formletter> > > This is not the correct way to submit patches for inclusion in the > stable kernel tree. Please read Documentation/stable_kernel_rules.txt > for how to do this properly. > > </formletter>
Welp, at the last second, I decided it is not that critical to have it in stable and forgot to clean the git-send-email command line too.
Please ignore this patch in stable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |