From mboxrd@z Thu Jan 1 00:00:00 1970 From: joeyli Subject: Re: [PATCH] UEFI: Don't use UEFI time services on 32-bit Date: Sat, 30 Nov 2013 06:04:07 +0800 Message-ID: <1385762647.3539.4.camel@linux-s257.site> References: <1385754283-2464-1-git-send-email-matthew.garrett@nebula.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1385754283-2464-1-git-send-email-matthew.garrett-05XSO3Yj/JvQT0dZR+AlfA@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matthew Garrett Cc: matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, stable-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Borislav Petkov List-Id: linux-efi@vger.kernel.org Hi Matthew,=20 =E6=96=BC =E4=BA=94=EF=BC=8C2013-11-29 =E6=96=BC 14:44 -0500=EF=BC=8CMa= tthew Garrett =E6=8F=90=E5=88=B0=EF=BC=9A >=20 > UEFI time services are often broken once we're in virtual mode. We > were > already refusing to use them on 64-bit systems, but it turns out that > they're also broken on some 32-bit firmware, including the Dell Venue= =2E > Disable them for now, we can revisit once we have the 1:1 mappings > code > incorporated. >=20 > Signed-off-by: Matthew Garrett > Cc: stable-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org=20 Does there have chance to test Borislav's EFI runtime mapping work on Dell Venue? Borislav's patches here: git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git#efi I am sure his patchset can walkaround physical address accessing issue on a broken 64-bit machine. But, I didn't test it on 32-bit issue machine. Thanks a lot! Joey Lee