[v2] powerpc/msi: fix section mismatch warning

[Michael Ellerman]

On Wed, 2015-21-10 at 11:29:13 UTC, Denis Kirjanov wrote:
> Building with CONFIG_DEBUG_SECTION_MISMATCH
> gives the following warning:
> 
> WARNING: vmlinux.o(.text+0x41fa8): Section mismatch in reference from
> the function .msi_bitmap_alloc() to the function
> .init.text:.memblock_virt_alloc_try_nid()
> The function .msi_bitmap_alloc() references
> the function __init .memblock_virt_alloc_try_nid().
> This is often because .msi_bitmap_alloc lacks a __init
> annotation or the annotation of .memblock_virt_alloc_try_nid is wrong.
> 
> memory allocation in msi_bitmap_alloc use either slab allocator or
> memblock boot-time allocator so that's why we need the __init_refok
> for the latter case.
> 
> Signed-off-by: Denis Kirjanov <kda at linux-powerpc.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ccde64b51b33821159d52b09

cheers