From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME Date: Fri, 20 Dec 2013 23:18:56 +0100 Message-ID: <3476450.BMEcId2Lgj@vostro.rjw.lan> References: <1387439053-8711-1-git-send-email-jlee@suse.com> <52B4BA0A.1030902@zytor.com> <20131220215056.GA29501@console-pimps.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20131220215056.GA29501-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Matt Fleming Cc: "H. Peter Anvin" , joeyli , Alessandro Zummo , Matthew Garrett , Elliott-VXdhtT5mjnY@public.gmane.org, samer.el-haj-mahmoud-VXdhtT5mjnY@public.gmane.org, Oliver Neukum , werner-IBi9RG/b67k@public.gmane.org, trenn-l3A5Bk7waGM@public.gmane.org, JBeulich-IBi9RG/b67k@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, "linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Borislav Petkov List-Id: linux-acpi@vger.kernel.org On Friday, December 20, 2013 09:50:56 PM Matt Fleming wrote: > On Fri, 20 Dec, at 01:43:38PM, H. Peter Anvin wrote: > > > > Possibly... will have to investigate. I would also ask if the same > > applies to the PNP0B0x devices -- all we really need there is the > > presence/absence indication and the I/O port base. > > It's worth noting that efi_late_init() exists solely because the ACPI > infrastructure to find the BGRT table isn't available any earlier. > > If we could setup ACPI earlier that would be awesome. I'm not sure 100%, but I *think* we need to do that with interrupts enabled. At least after mm_init(), because it relies on things initialized there if I remember correctly. >>From what I can tell at the moment, it might be possible to move it before efi_enter_virtual_mode() if that would help. Thanks, Rafael