lkml.org 
[lkml]   [1998]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.1.111: IDE DMA disabled?
    Mark Lord wrote:

    > That's from the IDE (ATA) specs. 18" max.
    >
    > The timings with DMA are *identical* to the timings with PIO,
    > so if it fails with DMA, it will fail with PIO as well.
    >
    > Removing DMA from the kernel solves nothing there.

    As per Linus' comment in another email, it does make a difference, it not in
    the cable timings, then in other timings relating to the transfer. Probably
    not the least of which is memory congestion. In any case, it does make a
    difference.

    --

    Doug Ledford <dledford@dialnet.net>
    Opinions expressed are my own, but
    they should be everybody's.

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

    \
     
     \ /
      Last update: 2005-03-22 13:43    [W:0.019 / U:0.548 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site