On Fri, Sep 18, 2015 at 01:56:37PM +0200, Peter Zijlstra wrote:
> +#ifndef atomic64_read_ctrl
> +static inline int atomic64_read_ctrl(atomic64_t *v)
> +{
> + int val = atomic64_read(v);
Duh
long long...
> + smp_read_barrier_depends(); /* Enforce control dependency. */
> + return val;
> +}
> +#endif
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