linux-kernel - section mismatch for acpi_unmap

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Message-ID: <20120914163809.GA6854@cantor.us.oracle.com>
Date:	Fri, 14 Sep 2012 09:38:09 -0700
From:	Jerry Snitselaar <dev@...tselaar.org>
To:	x86@...nel.org, linux-kernel@...r.kernel.org, mingo@...hat.com
Subject: section mismatch for acpi_unmap_lsapic()

Commit 13ad20c1 "x86 cpu_hotplug: unmap cpu2node when the cpu is
hotremoved" in linux-next added code to acpi_unmap_lsapic() that
causes section mismatch warnings:

WARNING: vmlinux.o(.text+0x694f2): Section mismatch in reference from the function acpi_unmap_lsapic()
	  to the function .cpuinit.text:numa_clear_node()
WARNING: vmlinux.o(.text+0x694eb): Section mismatch in reference from the function acpi_unmap_lsapic() 
	  to the variable .cpuinit.data:__apicid_to_node


Does acpi_unmap_lsapic() need a wrapper like the one that was made for
acpi_map_lsapic() or can it just be annotated __ref ? I guess my
question is would be there be a reason that the wrapper was created
for acpi_map_lsapic() instead of just annotating __ref besides
allowing the code for _apic_map_lsapic() to be dropped when
HOTPLUG_CPU wasn't configured?

Jerry
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