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Re: [Qemu-devel] [PATCH] Improve DMA transfers by increasing the buffer
Re: [Qemu-devel] [PATCH] Improve DMA transfers by increasing the buffer size.
Fri, 28 Mar 2008 11:35:52 +0000
Aurelien Jarno writes ("Re: [Qemu-devel] [PATCH] Improve DMA transfers by
increasing the buffer size."):
> On Wed, Mar 26, 2008 at 04:35:00PM +0000, Ian Jackson wrote:
> Content-Description: message body text
> > +#define IDE_DMA_BUF_SIZE 131072
> Wouldn't it be better to define this value in number of sectors? This
> would avoid a few divisions in the code, and anyway the code handling
> DMA transfers is working with a number of sectors, not a number of
I don't have much of an opinion about what units it should be in. The
divisions are just at compile-time of course.
If you prefer I'll send another version with it done in sectors :-).