Section mismatch with linux-3.4

Section mismatch with linux-3.4

[Stefan Kuhne]

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Hello,

when I try to compile linux-3.4-rc1 I get:

WARNING: arch/x86/built-in.o(.text+0x1745): Section mismatch in
reference from the function xen_align_and_add_e820_region() to the
function .init.text:e820_add_region()
The function xen_align_and_add_e820_region() references
the function __init e820_add_region().
This is often because xen_align_and_add_e820_region lacks a __init
annotation or the annotation of e820_add_region is wrong.

How can I solve this or is this not nesesary?

Regards,
Stefan Kuhne


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Re: Section mismatch with linux-3.4

[Konrad Rzeszutek Wilk]

On Tue, Apr 03, 2012 at 09:13:50PM +0200, Stefan Kuhne wrote:
> Hello,
> 
> when I try to compile linux-3.4-rc1 I get:
> 
> WARNING: arch/x86/built-in.o(.text+0x1745): Section mismatch in
> reference from the function xen_align_and_add_e820_region() to the
> function .init.text:e820_add_region()
> The function xen_align_and_add_e820_region() references
> the function __init e820_add_region().
> This is often because xen_align_and_add_e820_region lacks a __init
> annotation or the annotation of e820_add_region is wrong.

A patch to add '__init' to the xen_align_and_add_e820_region should do it!
Please also attach you SOB to it. Thanks!
> 
> How can I solve this or is this not nesesary?

it will save a couple of bytes (as the _init sections get all removed
at a certain stage in the bootup process).

> 
> Regards,
> Stefan Kuhne
> 



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