lkml.org 
[lkml]   [2004]   [Mar]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [ACPI] Re: Linux 2.4.26-rc1 (cmpxchg vs 80386 build)
    On Tue, 30 Mar 2004, Bill Davidsen wrote:

    > Is there no reasonable way to avoid using it in ACPI? It's not as if
    > performance was critical there, or the code gets run often. Too bad it
    > can't just be emulated like floating point, but I don't think it can on SMP.

    Well, "cmpxchg", "xadd", etc. can be easily emulated with an aid of a
    spinlock. With SMP operation included.

    --
    + Maciej W. Rozycki, Technical University of Gdansk, Poland +
    +--------------------------------------------------------------+
    + e-mail: macro@ds2.pg.gda.pl, PGP key available +
    -
    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 14:02    [W:2.574 / U:0.176 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site