Re: [PATCH 1/2] smp_call_function: don't use lock in call_function_data

[Jeremy Fitzhardinge]

Jeremy Fitzhardinge wrote:
> There's no need for a lock in call_function_data, since it's only used
> to decrement-and-test a counter.  Use an atomic instead.

BTW, these two patches are against tip.git.

    J
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