On Tue, 29 Sep 2015 11:28:34 +0200 Peter Zijlstra <pet...@infradead.org> wrote:
> With the introduction of the context switch preempt_count invariant, > and the demise of PREEMPT_ACTIVE, its pointless to save/restore the > per-cpu preemption count, it must always be 2. > > Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org> Should we add a warn on someplace: WARN_ON_ONCE(preempt_count() != 2) ? -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
