From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH 02/14] x86-64/efi: Use EFI to deal with platform wall clock (again) Date: Mon, 23 Dec 2013 15:25:41 -0800 Message-ID: <52B8C675.30204@zytor.com> References: <1387439515-8926-1-git-send-email-jlee@suse.com> <1387448416-11672-1-git-send-email-jlee@suse.com> <20131219104908.GE3145@console-pimps.org> <1387459939.3539.4092.camel@linux-s257.site> <20131220112955.75e82a86@alan.etchedpixels.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from terminus.zytor.com ([198.137.202.10]:49044 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932564Ab3LWX0V (ORCPT ); Mon, 23 Dec 2013 18:26:21 -0500 In-Reply-To: <20131220112955.75e82a86@alan.etchedpixels.co.uk> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: One Thousand Gnomes , joeyli Cc: Matt Fleming , JBeulich@suse.com, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, x86@kernel.org, "linux-efi@vger.kernel.org" , linux-acpi@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Matt Fleming On 12/20/2013 03:29 AM, One Thousand Gnomes wrote: > On Thu, 19 Dec 2013 21:32:19 +0800 > joeyli wrote: >=20 >> =E6=96=BC =E5=9B=9B=EF=BC=8C2013-12-19 =E6=96=BC 10:49 +0000=EF=BC=8C= Matt Fleming =E6=8F=90=E5=88=B0=EF=BC=9A >>> On Thu, 19 Dec, at 06:20:16PM, Lee, Chun-Yi wrote: >>>> From: Jan Beulich >>>> >>>> Other than ix86, x86-64 on EFI so far didn't set the >>>> {g,s}et_wallclock accessors to the EFI routines, thus >>>> incorrectly using raw RTC accesses instead. >=20 > Probably wise. >=20 > Before anyone reverts that please make sure it also works on EFI32, > because right now we crash and burn on multiple EFI32 tablets queryin= g > the time. >=20 Quite -- we in fact did just the opposite (checkin 04bf9ba720fc). -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932592Ab3LWX0X (ORCPT ); Mon, 23 Dec 2013 18:26:23 -0500 Received: from terminus.zytor.com ([198.137.202.10]:49044 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932564Ab3LWX0V (ORCPT ); Mon, 23 Dec 2013 18:26:21 -0500 Message-ID: <52B8C675.30204@zytor.com> Date: Mon, 23 Dec 2013 15:25:41 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: One Thousand Gnomes , joeyli CC: Matt Fleming , JBeulich@suse.com, linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, x86@kernel.org, "linux-efi@vger.kernel.org" , linux-acpi@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Matt Fleming Subject: Re: [PATCH 02/14] x86-64/efi: Use EFI to deal with platform wall clock (again) References: <1387439515-8926-1-git-send-email-jlee@suse.com> <1387448416-11672-1-git-send-email-jlee@suse.com> <20131219104908.GE3145@console-pimps.org> <1387459939.3539.4092.camel@linux-s257.site> <20131220112955.75e82a86@alan.etchedpixels.co.uk> In-Reply-To: <20131220112955.75e82a86@alan.etchedpixels.co.uk> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/20/2013 03:29 AM, One Thousand Gnomes wrote: > On Thu, 19 Dec 2013 21:32:19 +0800 > joeyli wrote: > >> 於 四，2013-12-19 於 10:49 +0000，Matt Fleming 提到： >>> On Thu, 19 Dec, at 06:20:16PM, Lee, Chun-Yi wrote: >>>> From: Jan Beulich >>>> >>>> Other than ix86, x86-64 on EFI so far didn't set the >>>> {g,s}et_wallclock accessors to the EFI routines, thus >>>> incorrectly using raw RTC accesses instead. > > Probably wise. > > Before anyone reverts that please make sure it also works on EFI32, > because right now we crash and burn on multiple EFI32 tablets querying > the time. > Quite -- we in fact did just the opposite (checkin 04bf9ba720fc). -hpa