From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Date: Thu, 07 May 2009 13:38:06 +0000 Subject: Re: [PATCH -tip 0/5] add generic dma-mappig.h Message-Id: <20090507133805.GA13708@8bytes.org> List-Id: References: <1241670948-5818-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> In-Reply-To: <1241670948-5818-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: FUJITA Tomonori Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, tony.luck@intel.com, linux-ia64@vger.kernel.org On Thu, May 07, 2009 at 01:35:43PM +0900, FUJITA Tomonori wrote: > We unified x86 and IA64's handling of multiple dma mapping operations > (struct dma_map_ops in linux/dma-mapping.h) so we can remove > duplication in their arch/include/asm/dma-mapping.h. > > This patchset adds include/asm-generic/dma-mapping.h that provides > some generic dma mapping function definitions for the users of struct > dma_map_ops. This enables us to remove about 100 lines. This also > enables us to easily add CONFIG_DMA_API_DEBUG support, which only x86 > supports for now. The 4th patch adds CONFIG_DMA_API_DEBUG support to > IA64 by adding only 8 lines. > > This is against tip/master since tip has some changes to > arch/x86/include/asm/dma-mapping.h. > > > arch/ia64/Kconfig | 1 + > arch/ia64/include/asm/dma-mapping.h | 110 ++------------------ > arch/x86/Kconfig | 1 + > arch/x86/include/asm/dma-mapping.h | 174 +------------------------------- > include/asm-generic/dma-mapping.h | 190 +++++++++++++++++++++++++++++++++++ > lib/dma-debug.c | 82 +++++++++------ > 6 files changed, 252 insertions(+), 306 deletions(-) Patchset looks good to me. As a follow-up work we should try to unify the *_coherent functions too. Acked-by: Joerg Roedel