Re: Possible lock-less list race in scheduler_ipi()

[Steven Rostedt]

On Fri, 6 Mar 2015 14:35:23 +0000 (UTC)
Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx> wrote:


> Indeed, the compiler should never reorder loads/stores from/to
> same memory location from a program order POV. What I had in mind
> is a bit more far-fetched though: it would involve having the compiler
> reorder this load after a store to another memory location, which
> would in turn allow another execution context (interrupt or thread)
> to corrupt the list.

You mean on another CPU? Because the code you are worried about has
interrupts disabled.

-- Steve
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