Re: [PATCH -tip 2/5] x86: use asm-generic/dma-mapping-common.h

[Andrew Morton <akpm@linux-foundation.org>]

On Fri, 15 May 2009 12:55:02 +0900 FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> wrote:

> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
> Acked-by: Joerg Roedel <joerg.roedel@amd.com>
>
> ...
>
>  /* Make sure we keep the same behaviour */
>  static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
>  {
> @@ -53,178 +55,6 @@ extern int dma_set_mask(struct device *dev, u64 mask);
>  extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
>  					dma_addr_t *dma_addr, gfp_t flag);
>  
> -static inline dma_addr_t
> -dma_map_single(struct device *hwdev, void *ptr, size_t size,
> -	       enum dma_data_direction dir)
> -{
> -	struct dma_map_ops *ops = get_dma_ops(hwdev);
> -	dma_addr_t addr;
> -
> -	kmemcheck_mark_initialized(ptr, size);

This patch attempts to delete kmemcheck stuff which isn't presently in
linux-next.

So I went ahead and ported the patch, but it'll break if/when kmemcheck
returns.