From: Matt Fleming <matt-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
To: Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
arnd-r2nGTMty4D4@public.gmane.org,
jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org
Subject: Re: [PATCH] efi/arm: fix absolute relocation detection for older toolchains
Date: Mon, 3 Oct 2016 21:52:33 +0100 [thread overview]
Message-ID: <20161003205233.GO16071@codeblueprint.co.uk> (raw)
In-Reply-To: <1475276515-21801-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
On Fri, 30 Sep, at 04:01:55PM, Ard Biesheuvel wrote:
>
> This is a workaround for now. We can revisit this when a need arises to copy
> more kernel code into the stub, by which time we could put in a more elaborate
> fix, or decide to no longer care about 'older' versions of objcopy.
>
> Since this fixes an ARM specific issue and only affects ARM specific Makefile
> variables, I am happy for this to go on top of the arm-soc patch that enables
> CONFIG_EFI for ARM's multi_v7_defconfig (queued for v4.9), given that we have
> no other changes queued in linux-efi that should conflict with this patch.
>
> Matt, any concerns?
Not with the patch, but could we clarify the user-visible effects of
not applying it? Are the absolute relocations harmless, or will they
lead to crashes?
WARNING: multiple messages have this Message-ID (diff)
From: matt@codeblueprint.co.uk (Matt Fleming)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] efi/arm: fix absolute relocation detection for older toolchains
Date: Mon, 3 Oct 2016 21:52:33 +0100 [thread overview]
Message-ID: <20161003205233.GO16071@codeblueprint.co.uk> (raw)
In-Reply-To: <1475276515-21801-1-git-send-email-ard.biesheuvel@linaro.org>
On Fri, 30 Sep, at 04:01:55PM, Ard Biesheuvel wrote:
>
> This is a workaround for now. We can revisit this when a need arises to copy
> more kernel code into the stub, by which time we could put in a more elaborate
> fix, or decide to no longer care about 'older' versions of objcopy.
>
> Since this fixes an ARM specific issue and only affects ARM specific Makefile
> variables, I am happy for this to go on top of the arm-soc patch that enables
> CONFIG_EFI for ARM's multi_v7_defconfig (queued for v4.9), given that we have
> no other changes queued in linux-efi that should conflict with this patch.
>
> Matt, any concerns?
Not with the patch, but could we clarify the user-visible effects of
not applying it? Are the absolute relocations harmless, or will they
lead to crashes?
next prev parent reply other threads:[~2016-10-03 20:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-30 23:01 [PATCH] efi/arm: fix absolute relocation detection for older toolchains Ard Biesheuvel
2016-09-30 23:01 ` Ard Biesheuvel
[not found] ` <1475276515-21801-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-10-03 20:52 ` Matt Fleming [this message]
2016-10-03 20:52 ` Matt Fleming
[not found] ` <20161003205233.GO16071-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-10-04 10:34 ` Ard Biesheuvel
2016-10-04 10:34 ` Ard Biesheuvel
[not found] ` <CAKv+Gu94ZEuGyrcGTKMvTPKpvaR+R3AAXNY=diX28RDhc=Cv7Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-10-04 21:30 ` Matt Fleming
2016-10-04 21:30 ` Matt Fleming
[not found] ` <20161004213045.GT16071-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2016-10-05 17:30 ` Ard Biesheuvel
2016-10-05 17:30 ` Ard Biesheuvel
2016-10-10 8:39 ` Jon Hunter
2016-10-10 8:39 ` Jon Hunter
2016-10-04 10:14 ` Jon Hunter
2016-10-04 10:14 ` Jon Hunter
-- strict thread matches above, loose matches on Subject: below --
2016-10-18 15:53 [GIT PULL] urgent EFI fix for v4.9 Ard Biesheuvel
[not found] ` <1476805991-7160-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-10-18 15:53 ` [PATCH] efi/arm: Fix absolute relocation detection for older toolchains Ard Biesheuvel
2016-10-18 15:53 ` Ard Biesheuvel
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