From: Andi Kleen <ak-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
Cc: linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Tony Luck <tony.luck-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Seiji Aguchi <seiji.aguchi-7rDLJAbr9SE@public.gmane.org>,
x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Matt Fleming
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 5/5] efi: Capsule update support and pstore backend
Date: Wed, 16 Oct 2013 13:14:16 -0700 [thread overview]
Message-ID: <20131016201416.GG7456@tassilo.jf.intel.com> (raw)
In-Reply-To: <1381931460-6999-6-git-send-email-matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
> + It should be noted that enabling this opton will pass a capsule
> + to the firmware on every boot. Some firmware will not allow a
> + user to enter the BIOS setup when a capsule has been registered
> + on the previous boot.
That sounds like a problem. Can this be fixed to only do it on demand?
> +
> + Many EFI machines have buggy implementations of the UpdateCapsule()
> + runtime service. This option will enable code that may not function
> + correctly with your firmware.
Do we need white/black lists?
Controlling such things form CONFIG is not very good.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@linux.intel.com>
To: Matt Fleming <matt@console-pimps.org>
Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org,
Tony Luck <tony.luck@intel.com>,
Seiji Aguchi <seiji.aguchi@hds.com>,
x86@kernel.org, Matt Fleming <matt.fleming@intel.com>
Subject: Re: [PATCH 5/5] efi: Capsule update support and pstore backend
Date: Wed, 16 Oct 2013 13:14:16 -0700 [thread overview]
Message-ID: <20131016201416.GG7456@tassilo.jf.intel.com> (raw)
In-Reply-To: <1381931460-6999-6-git-send-email-matt@console-pimps.org>
> + It should be noted that enabling this opton will pass a capsule
> + to the firmware on every boot. Some firmware will not allow a
> + user to enter the BIOS setup when a capsule has been registered
> + on the previous boot.
That sounds like a problem. Can this be fixed to only do it on demand?
> +
> + Many EFI machines have buggy implementations of the UpdateCapsule()
> + runtime service. This option will enable code that may not function
> + correctly with your firmware.
Do we need white/black lists?
Controlling such things form CONFIG is not very good.
-Andi
next prev parent reply other threads:[~2013-10-16 20:14 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-16 13:50 [PATCH 0/5] EFI capsule pstore support Matt Fleming
[not found] ` <1381931460-6999-1-git-send-email-matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-16 13:50 ` [PATCH 1/5] pstore/ftrace: Don't increment initial data offset Matt Fleming
2013-10-16 13:50 ` Matt Fleming
2013-10-16 13:50 ` [PATCH 2/5] efi: Introduce a Runtime Services lock Matt Fleming
[not found] ` <1381931460-6999-3-git-send-email-matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-16 23:36 ` Seiji Aguchi
2013-10-16 23:36 ` Seiji Aguchi
2013-10-16 13:50 ` [PATCH 3/5] efi: Add common efi_reboot() implementation Matt Fleming
2013-10-16 13:50 ` [PATCH 4/5] efi: Move efi_status_to_err() to efi.h Matt Fleming
2013-10-16 13:51 ` [PATCH 5/5] efi: Capsule update support and pstore backend Matt Fleming
[not found] ` <1381931460-6999-6-git-send-email-matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-16 14:19 ` Matthew Garrett
2013-10-16 14:19 ` Matthew Garrett
[not found] ` <20131016141939.GA28684-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-10-16 14:52 ` Luck, Tony
2013-10-16 14:52 ` Luck, Tony
[not found] ` <3908561D78D1C84285E8C5FCA982C28F31D31122-P5GAC/sN6hlZtRGVdHMbwrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-10-17 0:06 ` Seiji Aguchi
2013-10-17 0:06 ` Seiji Aguchi
[not found] ` <A5ED84D3BB3A384992CBB9C77DEDA4D443EF862E-ohthHghroY0jroPwUH3sq+6wyyQG6/Uh@public.gmane.org>
2013-10-17 23:18 ` Andi Kleen
2013-10-17 23:18 ` Andi Kleen
2013-10-17 12:05 ` Matt Fleming
2013-10-17 12:05 ` Matt Fleming
2013-10-17 11:55 ` Matt Fleming
2013-10-17 11:55 ` Matt Fleming
[not found] ` <20131017115514.GE10834-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-17 23:19 ` Andi Kleen
2013-10-17 23:19 ` Andi Kleen
2013-10-16 20:14 ` Andi Kleen [this message]
2013-10-16 20:14 ` Andi Kleen
2013-10-17 12:14 ` Matt Fleming
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