Messages in this thread | | | Date | Tue, 3 Oct 2000 22:59:14 +1100 | Subject | Re: Bottom Handles/soft irqs/timer interrupts/SMP ..... | From | Anton Blanchard <> |
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> Funny, are IPI really absolute nmi on sparc? I am honestly curious, > for what purpose such IPIs were designed. Theay do not look useful.
I would expect they were created for things like cache and tlb flushing, not executing arbitrary functions :)
> The fix is worth than problem was in any case. Waiting for timer > under semaphore is not a good idea.
The patch to slab.c from Juan avoids grabbing any locks inside functions called via smp_call_function, so it should be safe.
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