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SubjectRe: 2.6.18-rt1
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On Wed, 2006-09-20 at 21:46 +0200, Ingo Molnar wrote:
> * Gene Heskett <gene.heskett@verizon.net> wrote:
>
> > That looks like the chorus of the song I saw when it crashed on boot,
> > pretty darned close to identical.
>
> ok, i've uploaded -rt3:
>
> http://redhat.com/~mingo/realtime-preempt/
>
> this should have this one fixed.
>
> Ingo

What about the !PREEMPT_RT case.. It still wouldn't disable interrupts
in the below..


- local_irq_save(flags);
if (up->port.sysrq) {
/* serial8250_handle_port() already took the lock */
locked = 0;
} else if (oops_in_progress) {
- locked = spin_trylock(&up->port.lock);
+ locked = spin_trylock_irqsave(&up->port.lock, flags);
} else
- spin_lock(&up->port.lock);
+ spin_lock_irqsave(&up->port.lock, flags);


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