lkml.org 
[lkml]   [2007]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 1/3] Make the IDE DMA timeout modifiable
    Bartlomiej Zolnierkiewicz wrote:
    >>On Feb 20, 2007, at 5:44 PM, Bartlomiej Zolnierkiewicz wrote:

    >>>On Wednesday 21 February 2007 02:19, Suleiman Souhlal wrote:

    >>>>It can be changed via /proc/ide/hd?/settings.

    >>>Why do we need to change IDE DMA timeout dynamically?

    >>I've used it to test error recovery (for example).

    > Seems quite useable for developers but I would prefer not to
    > expose it in production kernels for end users.

    It seems that I have counter example of a customer asking if this timeout
    can be done configurable. :-)
    BTW, why the timeout is so damn long? 2*WAIT_CMD is 20 secs, and if DMA is
    not complete or interrupt pending, it may wait 10 more secs...

    > Thanks,
    > Bart

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

    \
     
     \ /
      Last update: 2007-06-12 21:11    [W:0.046 / U:0.388 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site