[lkml]   [2005]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: ARM Linux Suitability for Real-time Application

    On Wed, 22 Jun 2005, Russell King wrote:

    > If you're just after some background process to run off interrupts with
    > minimal interrupt latency, the good news is that you don't have to modify
    > the kernel on ARM, and you certainly don't need any RT patches.
    > If you use the FIQ, then your FIQ latency will be the time it takes the
    > CPU to enter your FIQ function. Since the kernel _never_ disables FIQs
    > in any way, FIQs have ultimate priority over everything else in the
    > system.

    Aren't FIQ's only on some ARM's ?


    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-06-22 19:03    [W:0.017 / U:240.660 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site