linux-kernel - Re: mmotm 2010-03-02-18-38 uploaded (dma unmapping)

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Date:	Wed, 03 Mar 2010 18:29:34 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
CC:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: mmotm 2010-03-02-18-38 uploaded (dma unmapping)

On 03/03/10 17:22, FUJITA Tomonori wrote:
> On Wed, 03 Mar 2010 15:20:26 -0800
> Randy Dunlap <randy.dunlap@...cle.com> wrote:
> 
>>>> drivers/net/chelsio/sge.c:164: error: expected specifier-qualifier-list before 'DECLARE_DMA_UNMAP_ADDR'
>>>> drivers/net/chelsio/sge.c:170: error: expected specifier-qualifier-list before 'DECLARE_DMA_UNMAP_ADDR'
>>>>
>>>> drivers/infiniband/hw/amso1100/c2_mq.h:74: error: expected specifier-qualifier-list before 'DECLARE_DMA_UNMAP_ADDR'
>>>> drivers/infiniband/hw/amso1100/c2_provider.h:53: error: expected specifier-qualifier-list before 'DECLARE_DMA_U
>>>> NMAP_ADDR'
>>>>
>>>> drivers/net/cxgb3/sge.c:120: error: expected specifier-qualifier-list before 'DECLARE_DMA_UNMAP_ADDR'
>>>> drivers/net/cxgb3/sge.c:210: error: expected specifier-qualifier-list before 'DECLARE_DMA_UNMAP_ADDR'
>>>
>>> Sorry. I can't reproduce this here. Can you send .config?
>>
>>
>> Sure (attached), but there is a different config file for each driver case above.
>>
>> chelsio == config-r8176
>>
>> amso1100 == config-r8179
>>
>> cxgb3 == config=r8186
>>
>> All are ARCH=i386 builds.
> 
> Ah, somehow I put my silly typo... really sorry about that.
> 
> The following patch can be applied to mm after applying another
> dma_unmap fix:
> 
> http://marc.info/?l=linux-kernel&m=126759183815898&w=2
> 
> 
> Andrew, can you apply the following patch. This should be fold into
> dma-mappingh-add-the-dma_unmap-state-api.patch after
> dma-mappingh-add-the-dma_unmap-state-api-fix.patch.
> 
> 
> =
> From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> Subject: [PATCH] fix DECLARE_DMA_UNMAP_ADD_ADDR typo with CONFIG_NEED_DMA_MAP_STATE disabled
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> ---
>  include/linux/dma-mapping.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
> index e00c5c9..ca32ed7 100644
> --- a/include/linux/dma-mapping.h
> +++ b/include/linux/dma-mapping.h
> @@ -248,7 +248,7 @@ struct dma_attrs;
>  #define dma_unmap_len(PTR, LEN_NAME)             ((PTR)->LEN_NAME)
>  #define dma_unmap_len_set(PTR, LEN_NAME, VAL)    (((PTR)->LEN_NAME) = (VAL))
>  #else
> -#define DEFINE_DMA_MAP_ADDR(ADDR_NAME)
> +#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
>  #define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
>  #define dma_unmap_addr(PTR, ADDR_NAME)           (0)
>  #define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  do { } while (0)

Thanks.
Acked-by: Randy Dunlap <randy.dunlap@...cle.com>

-- 
~Randy
--
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