On Thu, 2009-02-12 at 15:46 +0100, Ingo Molnar wrote: > * Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote: > > > On Thu, 2009-02-12 at 15:28 +0100, Frederic Weisbecker wrote: > > > > [ 45.228589] hardirqs last disabled at (0): [<ffffffff8025449d>] copy_process+0x68d/0x1500 > > > > [ 45.228602] softirqs last enabled at (0): [<ffffffff8025449d>] copy_process+0x68d/0x1500 > > > > > > > > > The reason for which I wanted to send an irqsoff trace is that the above lines are false. > > > > copy_process() has: > > > > #endif > > p->hardirq_enable_ip = 0; > > p->hardirq_enable_event = 0; > > p->hardirq_disable_ip = _THIS_IP_; > > p->hardirq_disable_event = 0; > > p->softirqs_enabled = 1; > > p->softirq_enable_ip = _THIS_IP_; > > p->softirq_enable_event = 0; > > p->softirq_disable_ip = 0; > > p->softirq_disable_event = 0; > > p->hardirq_context = 0; > > p->softirq_context = 0; > > #endif > > > > the sequence count of 0 basically tells you it hasn't been set yet. > > maybe we should initialize it to -1 to make this more apparent? I think the current state makes sense, it reflects the actual state of copy_process. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
