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To: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>,
 linuxppc-dev@lists.ozlabs.org
From: Michael Ellerman <patch-notifications@ellerman.id.au>
Cc: aneesh.kumar@linux.vnet.ibm.com, npiggin@gmail.com
Subject: Re: powerpc/mm: Fix section mismatch warning in
 stop_machine_change_mapping()
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Date: Thu, 29 Mar 2018 01:13:23 +1100 (AEDT)
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On Fri, 2018-03-09 at 20:45:58 UTC, Mauricio Faria de Oliveira wrote:
> Fix the warning messages for stop_machine_change_mapping(), and a number
> of other affected functions in its call chain.
> 
> All modified functions are under CONFIG_MEMORY_HOTPLUG, so __meminit
> is okay (keeps them / does not discard them).
> 
> Boot-tested on powernv/power9/radix-mmu and pseries/power8/hash-mmu.
> 
>     $ make -j$(nproc) CONFIG_DEBUG_SECTION_MISMATCH=y vmlinux
>     ...
>       MODPOST vmlinux.o
>     WARNING: vmlinux.o(.text+0x6b130): Section mismatch in reference from the function stop_machine_change_mapping() to the function .meminit.text:create_physical_mapping()
>     The function stop_machine_change_mapping() references
>     the function __meminit create_physical_mapping().
>     This is often because stop_machine_change_mapping lacks a __meminit 
>     annotation or the annotation of create_physical_mapping is wrong.
> 
>     WARNING: vmlinux.o(.text+0x6b13c): Section mismatch in reference from the function stop_machine_change_mapping() to the function .meminit.text:create_physical_mapping()
>     The function stop_machine_change_mapping() references
>     the function __meminit create_physical_mapping().
>     This is often because stop_machine_change_mapping lacks a __meminit 
>     annotation or the annotation of create_physical_mapping is wrong.
>     ...
> 
> Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
> Acked-by: Balbir Singh <bsingharora@gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/bde709a70884bfc790da6fbc4467c9

cheers