Messages in this thread | | | From | (Alan Cox) | Subject | Re: Intel Pentium Bug: BSDI Releases a patch | Date | Wed, 12 Nov 1997 15:45:25 +0000 (GMT) |
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> fault: divide by zero, debugging traps, NMI, into, bound and illegal > instruction, all others starting at interrupt 7 which is the quite critical > (FPU context switches) should not experience any performance degradation.
Yep
> OTOH it makes virtually impossible to use NMI for any interprocessor > interrupts on SMP machines (at least if I understand correctly APIC's doc, > what a mess).
Linux doesnt use NMI between CPU's - we use IRQ 13 and 16 in 2.0.x
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