linux-kernel - Re: [PATCH 0/2] Kbuild: kallsyms: update suffix ignore logic

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Message-ID: <CAKv+Gu-HkK96hz7zKQeJfeh2YiRY+qGaWkQdrSn0=n+P0qeHZQ@mail.gmail.com>
Date:	Tue, 7 Apr 2015 11:02:22 +0200
From:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:	linux-kbuild@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Arnd Bergmann <arnd@...db.de>, Michal Marek <mmarek@...e.cz>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
Subject: Re: [PATCH 0/2] Kbuild: kallsyms: update suffix ignore logic

On 30 March 2015 at 15:20, Ard Biesheuvel <ard.biesheuvel@...aro.org> wrote:
> Two patches that update the kallsyms ignore logic.
>
> Patch #1 adds logic to introduce symbols whose names end in (or equal)
> "_veneer". This prevent kallsyms generation errors on large ARM kernels
> where the emitted veneers will be different between the first and second
> pass, due to the fact that the size of the kallsyms region itself pushes
> the .text and .init.text sections further apart during the second pass.
>
> Patch #2 removes the handling of the "gcc[0-9]_compiled." symbol. It was
> only ever emitted by GCC v2.x which we don't support anymore anyway.
>
> This series is a followup to ' [RFC PATCH 0/2] ARM large kernels'
> (http://thread.gmane.org/gmane.linux.kbuild.devel/13065), but the
> other issue addressed by patch #2 of that series will be deferred
> for now.
>
> Ard Biesheuvel (2):
>   Kbuild: kallsyms: ignore veneers emitted by the ARM linker
>   Kbuild: kallsyms: drop special handling of pre-3.0 GCC symbols
>
>  scripts/kallsyms.c | 29 ++++++++++++++++++++---------
>  1 file changed, 20 insertions(+), 9 deletions(-)
>

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