Messages in this thread |  | | Date | Tue, 3 Oct 2000 22:48:47 +1100 | Subject | Re: Bottom Handles/soft irqs/timer interrupts/SMP ..... | From | Anton Blanchard <> |
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> So if you can't handle the IPI when you get it, set a flag and trap on the > next sti. It certainly sounds like broken hardware to me and it can be > worked around, can't it ?
We should not do such a hack in a performance critical area.
> Maybe we should have a version of smp_call_function that uses softirqs > (unless those are broken on sparc as well ;) ) and use the old version for > the very performance-sensitive parts only ? > > Putting all tests for smp_call_function in the timer interrupt code doesn't > make any sense at all to me.
smp_call_function is only used in the slab code. I was under the impression it wasnt going to be used in generic code. In fact I removed it completely from the sparc32 tree.
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