From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX XSAVE features Date: Thu, 10 Mar 2016 18:35:35 +0100 Message-ID: <20160310173535.GA15940@gmail.com> References: <1457437481-65784-1-git-send-email-pbonzini@redhat.com> <56E1686F.1060200@linux.intel.com> <56E168FB.3080509@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Xiao Guangrong , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Ingo Molnar To: Paolo Bonzini Return-path: Content-Disposition: inline In-Reply-To: <56E168FB.3080509@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org * Paolo Bonzini wrote: > > Now, more and more features depend on eger xsave, e.g, fpu, mpx and > > protection-key, maybe it is the time to rename eager-fpu to eager-xsave? > > Yeah, that could be possible. You can propose it to Ingo Molnar (CCed). > If you change it in the general purpose kernel code, KVM will of course follow > suit. So we have this queued up for v4.6: 58122bf1d856 x86/fpu: Default eagerfpu=on on all CPUs and if all goes fine with that then the plan for v4.7 is to remove the lazy FPU restore code altogether. Thanks, Ingo