lkml.org 
[lkml]   [2003]   [Mar]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: L2 cache detection in Celeron 2GHz (P4 based)
    On Wed, Mar 19, 2003 at 08:47:43AM +0200, Juha Poutiainen wrote:

    > x86info shows that there is something with descriptor 0x3b, and 0x3c
    > seems to be 256K L2 cache. So I guess it is as simple as adding a line:
    >
    > { 0x3B, LVL_2, 128 },
    >
    > in arch/i386/kernel/setup.c after line 2204 (2.4.20) and
    > in arch/i386/kernel/cpu/intel.c after line 102 (2.5.65)

    Yep, that's exactly the right fix.
    x86info cvs updated, and 2.5 patch queued for Linus.
    I'll do a 2.4 patch later if you haven't already done so.

    > I've tried both, they seems to report it fine, but I can't be sure if
    > that really is correct id of that cache. Celeron at issue has 128K L2
    > cache.

    Intel document 24161822.pdf confirms it.

    Dave

    -
    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: 2005-03-22 13:34    [W:0.040 / U:0.384 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site