From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932273Ab3KZP5l (ORCPT ); Tue, 26 Nov 2013 10:57:41 -0500 Received: from arkanian.console-pimps.org ([212.110.184.194]:52684 "EHLO arkanian.console-pimps.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932249Ab3KZP5h (ORCPT ); Tue, 26 Nov 2013 10:57:37 -0500 Date: Tue, 26 Nov 2013 15:57:31 +0000 From: Matt Fleming To: Dave Young Cc: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, x86@kernel.org, mjg59@srcf.ucam.org, hpa@zytor.com, James.Bottomley@HansenPartnership.com, vgoyal@redhat.com, ebiederm@xmission.com, horms@verge.net.au, kexec@lists.infradead.org, bp@alien8.de, greg@kroah.com, toshi.kani@hp.com Subject: Re: [PATCH v4 05/12] efi: export more efi table variable to sysfs Message-ID: <20131126155731.GM11521@console-pimps.org> References: <1385445477-9665-1-git-send-email-dyoung@redhat.com> <1385445477-9665-6-git-send-email-dyoung@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1385445477-9665-6-git-send-email-dyoung@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 26 Nov, at 01:57:50PM, Dave Young wrote: > Export fw_vendor, runtime and config tables physical > addresses to /sys/firmware/efi/systab becaue kexec > kernel will need them. This commit log needs updating. > From EFI spec these 3 variables will be updated to > virtual address after entering virtual mode. But > kernel startup code will need the physical address. > > changelog: > Greg: add standalone sysfs files instead of add lines to systab > Document them as testing ABI > Greg: use group attrs and is_visible > Boris: align comments lines > > Signed-off-by: Dave Young > --- > Documentation/ABI/testing/sysfs-firmware-efi | 26 ++++++++++++++++ > arch/x86/platform/efi/efi.c | 4 +++ > drivers/firmware/efi/efi.c | 44 ++++++++++++++++++++++++++++ > include/linux/efi.h | 3 ++ > 4 files changed, 77 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-firmware-efi > > diff --git a/Documentation/ABI/testing/sysfs-firmware-efi b/Documentation/ABI/testing/sysfs-firmware-efi > new file mode 100644 > index 0000000..9252a24 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-firmware-efi > @@ -0,0 +1,26 @@ > +What: /sys/firmware/efi/fw_vendor > +Date: Nov 2013 > +Contact: Dave Young redhat.org eh? Typo or legit? > +Description: > + Shows the physical address of firmware vendor in the EFI > + system table. It shows the physical address of the firmware vendor "entry" or "field" in the EFI system table. > +Users: > + Kexec Mailing List The "Kexec mailing list" isn't a user, kexec is. -- Matt Fleming, Intel Open Source Technology Center