Messages in this thread | | | Date | Wed, 13 Mar 2024 19:24:49 -0400 | Subject | Re: [RFC PATCH 1/2] smp: Implement serialized smp_call_function APIs | From | Mathieu Desnoyers <> |
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On 2024-03-13 17:19, Linus Torvalds wrote: > On Wed, 13 Mar 2024 at 13:56, Mathieu Desnoyers > <mathieu.desnoyers@efficios.com> wrote: >> >> Introduce serialized smp_call_function APIs to limit the number of >> concurrent smp_call_function IPIs which can be sent to a given CPU to a >> maximum of two: one broadcast and one specifically targeting the CPU. > > So honestly, with only one user, I think the serialization code > should be solidly in that one user, not in kernel/smp.c.
Good point, unless other users of this show up, I could move it into membarrier.c. But only if anyone cares enough to come up with benchmarks justifying the added complexity.
> > Also, this kind of extra complexity does require numbers to argue for it.
Of course,
Thanks,
Mathieu
> > Linus
-- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com
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