Messages in this thread | | | From | (H. Peter Anvin) | Subject | Re: 2.2.0pre1 OOPS on boot. | Date | 31 Dec 1998 08:13:12 GMT |
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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.
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