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    SubjectRe: [patch][cft] zero-copy dma cd writing and ripping
    On Mon, Oct 28 2002, David S. Miller wrote:
    > On Mon, 2002-10-28 at 04:42, Jens Axboe wrote:
    > > > This work reminds me that get_user_pages() (or it's callers)
    > > > need to be doing some flush_dcache_page()
    > >
    > > Was wondering about that. Can you tell me what it needs? And what about
    > > bio_unmap_user(), surely that needs to flush cache as well for reads?
    >
    > Documentation/cachetlb.txt describes where flush_dcache_page is needed.
    > If that doesn't describe it enough for you, that is a bug and please
    > tell me what part is confusing so I may make the document better.

    Didn't know about that document, will read it first.

    --
    Jens Axboe

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