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SubjectRe: [PATCH] arm: use unified discard definition in linker script
Alan Jenkins wrote:
> I selfishly request an Acked-by for the following. My aim is to submit it as
> part of a larger series ("module: Speed up symbol resolution during module
> loading") which would not go through the ARM tree.
>
> ------------------------------------------------------------------->
> From 52c4a00b22fecf3ecb352618356bb61f7f4b261b Mon Sep 17 00:00:00 2001
> From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
> Date: Wed, 7 Oct 2009 11:08:34 +0100
> Subject: [PATCH] arm: use unified discard definition in linker script
>
> Commit 023bf6f "linker script: unify usage of discard definition"
> changed the linker scripts for all architectures except for ARM.
> I can find no discussion about this exception, so here are the changes
> for ARM.
>
> These changes are exactly parallel to the ia64 case.
>
> "ia64 is notable because it first throws away some ia64 specific
> subsections and then include the rest of the sections into the final
> image, so those sections must be discarded before the inclusion."
>
> Not boot-tested. In build testing, the modified linker script generated
> an identical vmlinux file.
>
>
> [I would like to be able to rely on this unified discard definition.
> I want to sort the kernel symbol tables to allow faster symbol
> resolution during module loading. The simplest way appears to be
> to generate sorted versions from vmlinux.o, link them in to vmlinux,
> _and discard the original unsorted tables_.
>
> This work is driven by my x86 netbook, but it is implemented at a
> generic level. It is possible it will benefit some ARM systems also.]
>
>
> Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
> CC: Tejun Heo <tj@kernel.org>

Most likely omission by simple mistake. The change looks fine to me
but I don't have any arm machine to test it.

Acked-by-without-testing: Tejun Heo <tj@kernel.org>

--
tejun


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