linux-kernel - Re: Section mismatch errors on current Linus tree

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Message-ID: <20080129201641.GB14857@uranus.ravnborg.org>
Date:	Tue, 29 Jan 2008 21:16:41 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Marcin Slusarz <marcin.slusarz@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Section mismatch errors on current Linus tree

On Tue, Jan 29, 2008 at 06:03:30PM +0100, Marcin Slusarz wrote:
> Hi
> I'm getting these warnings on current Linus tree (0ba6c33bcddc64a54b5f1c25a696c4767dc76292):
> 
>   LD      vmlinux.o
>   MODPOST vmlinux.o
> WARNING: vmlinux.o(.text+0x1a3c75): Section mismatch in reference from the function pci_scan_child_bus() to the function .devinit.text:pcibios_fixup_bus()
> WARNING: vmlinux.o(.text+0x1e333c): Section mismatch in reference from the function acpi_pci_root_add() to the function .devinit.text:pci_acpi_scan_root()
> WARNING: vmlinux.o(.meminit.text+0xc5e): Section mismatch in reference from the function free_area_init_node() to the function .init.text:__alloc_bootmem_node()
> WARNING: vmlinux.o(__ksymtab+0x5400): Section mismatch in reference from the variable __ksymtab_pci_do_scan_bus to the function .devinit.text:pci_do_scan_bus()
...

Thanks for the report Marcin.

We have a lot of section mismatch warnings at present.
I am personally awaiting merge of x86.git and first
batch from Andrew Morton before I start to fix them.

This is for two reasons:
1) I know several warnings are fixed in the two trees
2) I expect these two merges to touch a lot of the files
   where I need to fix the warnings.

Can you please repost no earlier than when you see -rc1. I hope that
my builds get down below 25 warnings when we get there (> 120 warnings
when I did a full build last time).

	Sam
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