[02/17][PATCH] Implement smp_call_function_mask for ia64 - V8
Jes Sorensen
jes at sgi.com
Wed Apr 2 00:30:55 PDT 2008
Jeremy Fitzhardinge wrote:
>> I wasn't suggesting we shouldn't have both interfaces, merely
>> questioning why adding what to me seems like an unnecessary performance
>> hit for the classic case of the call.
>
> I don't mind how many interfaces there are, so long as there only needs
> to be one place to hook to plug in the Xen version of
> smp_call_function_whatever. Perhaps the answer is to just hook the IPI
> mechanism itself rather than the whole of smp_call_function_mask...
Well we're obviously going to have at least two interfaces given that
we have the traditional Linux one and Xen seems to require something
different :-)
> Have you looked at Jens Axboe's patches to make all this stuff a lot
> more arch-common?
Nope, do you have a pointer?
Cheers,
Jes
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