[lkml]   [2004]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
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:

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: 2005-03-22 14:03    [W:0.075 / U:11.488 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site