lkml.org 
[lkml]   [2004]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: i486 emu in mainline?
    Willy Tarreau wrote:
    > On Sun, May 23, 2004 at 06:51:30AM -0400, Joseph Fannin wrote:
    >
    >>On Sun, May 23, 2004 at 10:29:12AM +0200, Willy Tarreau wrote:
    >>
    >>>On Sun, May 23, 2004 at 01:40:59AM +0200, Christoph Hellwig wrote:
    >>>
    >>>>These days gcc uses i486+ only instruction by default in libstdc++ so
    >>>>most modern distros wouldn't work on i386 cpus anymore. To make it work
    >>>>again Debian merged Willy Tarreau's patch to trap those and emulate them
    >>>>on real i386 cpus. The patch is extremely non-invasive and would
    >>>>certainly be usefull for mainline. Any reason not to include it?
    >>
    >>> - I couldn't emulate locks, so this will break on SMP systems, and so
    >>> will it if you need to access some memory share with an external
    >>> microcontroller or something like that.
    >>
    >> Does this mean that programs that use the NPTL will work on
    >>non-SMP 386s?
    >
    > I have no idea. Why would NPTL not work on i386 ?

    i386 doesn't have the necessary instructions.
    It's my understanding that the following is not being maintained:
    http://sources.redhat.com/ml/libc-hacker/2004-05/msg00019.html

    Pádraig.
    -
    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 14:03    [W:0.054 / U:30.588 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site