Messages in this thread |  | | Date | Wed, 23 Aug 2000 18:35:30 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: PATCH - final (I hope) tidy up for generic_make_request interface |
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On Thu, 24 Aug 2000, Neil Brown wrote: > > - moves create_bounce out of __make_request and into > generic_make_request, as potentially any client might use high > memory, and ever driver needs a bounce buffer.
This is wrong.
Not every driver necessarily needs a bounce buffer. Yes, _currently_ they do, but there are 64-bit PCI cards that could do DMA directly to high memory. The part of your change would make such a driver unable to take advantage of the resources offered by the hardware.
Linus
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