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SubjectRe: [RFC PATCH] kbuild: silence section mismatch warnings

On May 11, 2007, at 4:08 PM, Sam Ravnborg wrote:

> ----- Forwarded message from Sam Ravnborg <> -----
> Forgot lkml in first mail...
> Sam
> Subject: [RFC PATCH] kbuild: silence section mismatch warnings
> From: Sam Ravnborg <>
> Date: Fri, 11 May 2007 23:03:46 +0200
> User-Agent: Mutt/
> To: Chris Wedgwood <>, Andrew Morton <>,
> "David S. Miller" <>,
> Russell King <>,
> Satyam Sharma <>
> Cc:
> Following patch allow us in specific places to silence section
> mismatch warnings.
> There is a few legitime places that modpost does not yet recognize
> where
> reference from .text to .init.text (likewise for data) are legitime.
> This allow us to spot the few places and annotate them so we do not
> get false warnings that in the end will let real warnings pass.
> The annotation is simple to grep for so revieing all uses in a few
> months time are trivial. It is assumed that a few places will
> use this to shut up the warning as replacement for the real fix.
> But these cases are esay to spot and to fix up.

Its unclear if you expect that some things will be tagged
__init_refok/__initdata_refok forever or if we'll find some way to
fix/change the code so the things tagged no longer need it.

> With this and the following two patches I have a section mismatch free
> build.
> The plan is that a section mismatch soon will graduate from a
> warning to an error.
> This will hurt a few drives but then they have an incentive to fix
> it up.
> Comments welcome.

- k
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