Re: [PATCH] iommu: dmar: fix harmless section mismatch warning

From: Joerg Roedel
Date: Tue Sep 19 2017 - 05:45:32 EST


On Tue, Sep 12, 2017 at 10:10:21PM +0200, Arnd Bergmann wrote:
> Building with gcc-4.6 results in this warning due to
> dmar_table_print_dmar_entry being inlined as in newer compiler versions:
>
> WARNING: vmlinux.o(.text+0x5c8bee): Section mismatch in reference from the function dmar_walk_remapping_entries() to the function .init.text:dmar_table_print_dmar_entry()
> The function dmar_walk_remapping_entries() references
> the function __init dmar_table_print_dmar_entry().
> This is often because dmar_walk_remapping_entries lacks a __init
> annotation or the annotation of dmar_table_print_dmar_entry is wrong.
>
> This removes the __init annotation to avoid the warning. On compilers
> that don't show the warning today, this should have no impact since the
> function gets inlined anyway.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/iommu/dmar.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.