lkml.org 
[lkml]   [1998]   [Dec]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: 2.2.0pre1 OOPS on boot.
Date
Followup to:  <Pine.LNX.3.96.981230200953.6416G-100000@chiara.csoma.elte.hu>
By author: MOLNAR Ingo <mingo@chiara.csoma.elte.hu>
In newsgroup: linux.dev.kernel
>
>
> On Wed, 30 Dec 1998, Alan Cox wrote:
>
> > We only have a few differences to address in the near time scale, excepting
> > the 386.
> >
> > FPU <-> no FPU
> > RDTSC <-> mb timer
> > FXSAVE <-> FSAVE
> >
> > FXSAVE is figured, RDTSC _was_ sorted, FPU has long been sorted.
>
> add INVLPG and (future) FASTCALL (two versions) to the list. Also add the
> 'wp bit doesnt work' bug workaround, the APIC workarounds. Some of these
> can be addressed dynamically (by adding kernel bloat to handle both
> versions), some cannot.
>

SYSENTER and SYSCALL need to handle regular INT 0x80 system calls as
well for a long time to come.

All of these things fall under the same tent as the FPU emulation:
it's fine to have an optional kernel which is smaller/faster, but
there should be one set of configuration options which work on all
machines.

-hpa
--
PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74
See http://www.zytor.com/~hpa/ for web page and full PGP public key
I am Bahá'í -- ask me about it or see http://www.bahai.org/
"To love another person is to see the face of God." -- Les Misérables

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [W:0.093 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site