2004-10-27 23:51:57

by haskellboy

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Subject: [question]- DMA

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can DMA copy from RAM to hard disk?
if yes, the kernel uses DMA to copy from disk to disk ?

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2004-10-28 00:26:20

by Chris Wedgwood

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Subject: Re: [question]- DMA

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On Wed, Oct 27, 2004 at 08:31:43PM -0300, [email protected] wrote:

> can DMA copy from RAM to hard disk?

yes

> if yes, the kernel uses DMA to copy from disk to disk?

no, the disk hardware that (almost all) linux hardware uses doesn't
allow this easily