From: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
To: Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Ard Biesheuvel
<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
Subject: Re: [PATCH 2/3] efi: add firmware version information to sysfs
Date: Tue, 13 Sep 2016 14:24:34 +0100 [thread overview]
Message-ID: <20160913132434.GJ3872@codeblueprint.co.uk> (raw)
In-Reply-To: <1473260186-4500-2-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On Wed, 07 Sep, at 10:56:25AM, Peter Jones wrote:
> This adds the EFI Spec version from the system table to sysfs as
> /sys/firmware/efi/spec_version .
>
> Userland tools need this information in order to work around
> specification deficiencies in 2.4 and earlier firmwares. Specifically,
> UEFI 2.4 and 2.5+ treat management of BootOrder very differently (See
> UEFI 2.4 section 3.1.1 vs UEFI 2.5 section 3.1), which means on older
> firmware we'll want to work around BDS's boot order management by adding
> fwupdate entries to BootOrder. We'd prefer not to do this on newer
> firmware, as it is both non-sensical in terms of what it expresses, and
> it results in more relatively failure prone flash writes.
>
> Signed-off-by: Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Reviewed-by: Lukas Wunner <lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
> ---
> Documentation/ABI/testing/sysfs-firmware-efi | 6 +++
> drivers/firmware/efi/efi.c | 65 ++++++++++++++++++++++++++++
> 2 files changed, 71 insertions(+)
Looks fine to me.
next prev parent reply other threads:[~2016-09-13 13:24 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-23 16:13 [PATCH 1/2] efi: don't call the system table version the runtime services version Peter Jones
[not found] ` <1471968832-19847-1-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-08-23 16:13 ` [PATCH 2/2] efi: add firmware version information to sysfs Peter Jones
[not found] ` <1471968832-19847-2-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-08-24 10:30 ` Lukas Wunner
[not found] ` <20160824103021.GA22888-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2016-09-02 18:57 ` Peter Jones
[not found] ` <20160902185758.GB9082-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-02 20:57 ` [PATCH 1/3] efi: don't call the system table version the runtime services version Peter Jones
[not found] ` <1472849873-32041-1-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-02 20:57 ` [PATCH 2/3] efi: add firmware version information to sysfs Peter Jones
[not found] ` <1472849873-32041-2-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-05 12:00 ` Lukas Wunner
[not found] ` <20160905120006.GA27048-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2016-09-06 15:35 ` Peter Jones
2016-09-06 15:51 ` [PATCH 1/3] efi: don't call the system table version the runtime services version Peter Jones
[not found] ` <1473177071-11791-1-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-06 15:51 ` [PATCH 2/3] efi: add firmware version information to sysfs Peter Jones
[not found] ` <1473177071-11791-2-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-07 12:23 ` Lukas Wunner
[not found] ` <20160907122339.GB28333-JFq808J9C/izQB+pC5nmwQ@public.gmane.org>
2016-09-07 14:56 ` [PATCH 1/3] efi: don't call the system table version the runtime services version Peter Jones
[not found] ` <1473260186-4500-1-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-07 14:56 ` [PATCH 2/3] efi: add firmware version information to sysfs Peter Jones
[not found] ` <1473260186-4500-2-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-13 13:24 ` Matt Fleming [this message]
2016-09-07 14:56 ` [PATCH 3/3] efi: Format EFI version prints the way the standard says Peter Jones
[not found] ` <1473260186-4500-3-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-15 9:18 ` Matt Fleming
[not found] ` <20160915091822.GA16797-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-09-15 13:13 ` Peter Jones
[not found] ` <20160915131305.5mhdpc6vql5nv2gw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-16 9:40 ` Matt Fleming
[not found] ` <20160916094006.GD16797-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-09-16 14:42 ` Peter Jones
2016-09-13 12:32 ` [PATCH 1/3] efi: don't call the system table version the runtime services version Matt Fleming
2016-09-06 15:51 ` [PATCH 3/3] efi: Format EFI version prints the way the standard says Peter Jones
[not found] ` <1473177071-11791-3-git-send-email-pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-09-07 12:21 ` Lukas Wunner
2016-09-02 20:57 ` Peter Jones
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160913132434.GJ3872@codeblueprint.co.uk \
--to=matt-mf/unelci9gs6ibeejttw/xrex20p6io@public.gmane.org \
--cc=ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org \
--cc=linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=lukas-JFq808J9C/izQB+pC5nmwQ@public.gmane.org \
--cc=pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.