From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH] KVM: x86: Revert "check CS.DPL against RPL during task switch" Date: Sun, 17 Aug 2014 23:52:16 +0200 Message-ID: <53F12410.1030908@redhat.com> References: <53F07745.9080200@redhat.com> <1408303946-2796-1-git-send-email-namit@cs.technion.ac.il> <53F11A21.2040406@redhat.com> <83847266-15D3-4C88-8BD3-7152EAE76F6B@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Nadav Amit , kvm@vger.kernel.org To: Nadav Amit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:36478 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751391AbaHQVwY (ORCPT ); Sun, 17 Aug 2014 17:52:24 -0400 In-Reply-To: <83847266-15D3-4C88-8BD3-7152EAE76F6B@gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: Il 17/08/2014 23:39, Nadav Amit ha scritto: > I missed the TS_VECTOR thing. Yes, in that case, full revert makes no > sense. I=92m in no hurry with this patch, and I posted it during your > vacation only because it is a recent bug. Anyhow, you may want to > look at another patch I sent, "KVM: x86: Avoid emulating instructions > on #UD mistakenly=94, ASAP. It fixes a bug that was introduced into > 3.17-RC1 and is visible in userspace. Yes, it's on my list and will definitely get into one of the next 3.17 RCs. Thanks, Paolo