[lkml]   [2000]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: APIC and some timers stuff

    On Thu, 24 Feb 2000, Artur Skawina wrote:

    > > same. But the local APIC can be disabled on RESET in Pentium chips and by
    > > software means on P6 CPUs. Once disabled it cannot be enabled till the
    > > next RESET.
    > p6_enable_apic()
    > {
    > unsigned rl, rh;
    > rdmsr( 27, rl, rh );
    > wrmsr( 27, rl^(1<<11), rh );
    > }

    does this always work? I believe there is some pin that disables the APIC
    permanently - is this really the case?

    anyway, in 2.5 we can explore this stuff - right now we already have
    IO-APIC on UP, and a trivial patch enables compiling APIC support but no

    -- mingo

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

     \ /
      Last update: 2005-03-22 13:56    [W:0.018 / U:23.400 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site