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SubjectRe: [rfc][patch] x86-64 new smp_call_function design
Andi Kleen wrote:
>>>> As far as I understand, calling a subset of online CPUs that is not all or
>>>> one, is used quite infrequently, so this might be OK.
>>> With cpusets and isolation etc. it is the normal case.
>> Oh really? Coming from what callers?
> The isolation work is not merged yet, but it will essentially need
> to turn a lot of the _call_function()s into _call_function_mask()

kvm is also a heavy user of smp_call_function_mask(); if you run
multiple smp guests you'll see plenty of disjoint smp_call_function_mask()s.

error compiling committee.c: too many arguments to function

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