lkml.org 
[lkml]   [2000]   [Aug]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: PATCH - final (I hope) tidy up for generic_make_request interface


    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

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-03-22 12:38    [W:2.513 / U:0.228 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site