Messages in this thread | | | From | Keith Owens <> | Subject | Re: [PATCH 2/6] 2.6.16-rc1 perfmon2 patch for review | Date | Wed, 25 Jan 2006 22:10:44 +1100 |
| |
Stephane Eranian (on Tue, 24 Jan 2006 07:13:25 -0800) wrote: >Well, I am not sure why the smp_call_function_single() is not already >implemented for i386. I can see that the underlying function send_IPI_mask() >is there. It also looks like flush_tlb_others() is also selecting CPUs a subset >of CPUs. I am not a big enough expert on x86 to understand if there are gotchas >to watch for. Yet it would surprise me if this is radically different than on >x86_64 (em64t) which already has the call. Maybe someone can clarify this?
There is no hardware reason why smp_call_function_single() cannot be implemented on i386. The only reason it has not been implemented on i386 is that nobody has had a need for it yet.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |