Re: [PATCH] dma-mapping: mark dma_alloc_need_uncached as __always_inline

[Randy Dunlap <rdunlap@infradead.org>]

On 7/8/19 12:57 PM, Christoph Hellwig wrote:
> Without the __always_inline at least i386 configs that have
> CONFIG_OPTIMIZE_INLINING set seem fail to inline
> dma_alloc_need_uncached, leading to a linker error because of
> undefined symbols.
> 
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested

Thanks.

> ---
>  include/linux/dma-noncoherent.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/dma-noncoherent.h b/include/linux/dma-noncoherent.h
> index 53ee36ecdf37..3813211a9aad 100644
> --- a/include/linux/dma-noncoherent.h
> +++ b/include/linux/dma-noncoherent.h
> @@ -23,7 +23,7 @@ static inline bool dev_is_dma_coherent(struct device *dev)
>  /*
>   * Check if an allocation needs to be marked uncached to be coherent.
>   */
> -static inline bool dma_alloc_need_uncached(struct device *dev,
> +static __always_inline bool dma_alloc_need_uncached(struct device *dev,
>  		unsigned long attrs)
>  {
>  	if (dev_is_dma_coherent(dev))
> 


-- 
~Randy