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

From: David Miller
Date: Mon Jul 06 2009 - 21:11:40 EST


From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Mon, 6 Jul 2009 10:26:28 +0200

> On Monday 06 July 2009, FUJITA Tomonori wrote:
>> +static inline struct dma_map_ops *get_dma_ops(struct device *dev)
>> +{
>> + return dma_ops;
>> +}
>> +
>> +#define flush_write_buffers()
>> +
>> +#include <asm-generic/dma-mapping-common.h>
>
> I still think the flush_write_buffers() x86-ism should not be required
> to use dma-mapping-common.h and only be used in arch/x86/kernel/pci-nommu.c
> so you don't have to add dummy definitions to all architectures.
>
> See http://lkml.org/lkml/2009/6/30/134
>
> Otherwise, your series looks good!

Since we have until the 2.6.32 merge window to merge this, why
don't we take care of this flush_write_buffers() thing first?

I'm completely fine with these changes otherwise, thanks!
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