On 27-01-16, 23:54, Rafael J. Wysocki wrote: > So I've applied this, but I'm not sure it is sufficient yet.
At least, this solves the crash Juri was hitting on a multi cluster box. > Have you double checked whether or not stuff cannot be reordered by > the CPU and/or the compiler and no additional memory barriers are needed? I don't think CPU will reorder things before a function call. It can reorder lines, which CPU thinks aren't related but it can't assume the same in this case. We have tons of code like this. @Juri: What do you say? -- viresh
