On Fri, 10 Nov 2000, Brian Gerst wrote:
> > features : fpu vme de pse tsc msr mce cx8 pge mmx syscall 3dnow
>
> The K6's don't support sysenter/sysexit.
The K6 datasheets suggests otherwise.
Some models seem to have sysenter/sysexit, whilst others have
syscall/sysret. No model seems to have both.
The datasheets are somewhat confusing, as it doesn't mention bit 10
at all, just an oversized box for bit 11.
> It really should have been marked differently before.
Before we weren't mentioning it at all, look..
flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mmx 3dnow
> The early K6's used extended bit 10 to indicate syscall/sysret
> capabality, but this version has some quirks that make it pretty much
> unusable. Later K6's use extended bit 11 to indicate syscall/sysret.
And where does sysenter/sysexit fit in?
regards,
Davej.
-- | Dave Jones <davej@suse.de> http://www.suse.de/~davej | SuSE Labs- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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