From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Fleming Subject: Re: [PATCH v4 05/12] efi: export more efi table variable to sysfs Date: Tue, 26 Nov 2013 15:57:31 +0000 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 Return-path: Content-Disposition: inline In-Reply-To: <1385445477-9665-6-git-send-email-dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Dave Young Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org, hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org, James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org, vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org, horms-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org, kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org, greg-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org, toshi.kani-VXdhtT5mjnY@public.gmane.org List-Id: linux-efi@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