From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: [PATCH 2/2] KVM: MMU: Keep going on permission error Date: Thu, 08 Jul 2010 13:14:14 +0200 Message-ID: <4C35B306.3020004@siemens.com> References: <1278424176-15310-1-git-send-email-avi@redhat.com> <1278424176-15310-3-git-send-email-avi@redhat.com> <4C34740D.2070504@siemens.com> <4C3475E9.8040901@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "kvm@vger.kernel.org" , Marcelo Tosatti To: Avi Kivity Return-path: Received: from david.siemens.de ([192.35.17.14]:24713 "EHLO david.siemens.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753225Ab0GHLOa (ORCPT ); Thu, 8 Jul 2010 07:14:30 -0400 In-Reply-To: <4C3475E9.8040901@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > On 07/07/2010 03:33 PM, Jan Kiszka wrote: >> Avi Kivity wrote: >> =20 >>> Real hardware disregards permission errors when computing page faul= t error >>> code bit 0 (page present). Do the same. >>> >>> =20 >> This generates (false positive) build warnings here: >> >> CC [M] /data/kvm-kmod/x86/coalesced_mmio.o >> /data/kvm-kmod/x86/paging_tmpl.h: In function =E2=80=98paging32_walk= _addr=E2=80=99: >> /data/kvm-kmod/x86/paging_tmpl.h:122: warning: =E2=80=98pte_access=E2= =80=99 may be used >> uninitialized in this function >> /data/kvm-kmod/x86/paging_tmpl.h: In function =E2=80=98paging64_walk= _addr=E2=80=99: >> /data/kvm-kmod/x86/paging_tmpl.h:122: warning: =E2=80=98pte_access=E2= =80=99 may be used >> uninitialized in this function >> =20 >=20 > Yes, I saw. I'll clear it up. >=20 You already pushed some update, don't you? Then I'm afraid I have to report that the problem persists. Jan --=20 Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux