Re: [RFC PATCH] introduce sys_membarrier(): process-wide memorybarrier

[Steven Rostedt]

On Thu, 2010-01-07 at 09:44 +0100, Peter Zijlstra wrote:

> A simple:
> 
>   for_each_cpu(cpu, current->mm->cpu_vm_mask) {
>      if (cpu_curr(cpu)->mm == current->mm)
>         smp_call_function_single(cpu, func, NULL, 1);
>   }

I like this algorithm the best ;-)

-- Steve


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