From: "Jonathan Lundell" <[EMAIL PROTECTED]>
> The other CPU servicing the interrupt, was the question. cli()
> doesn't affect that. This could presumably happen if shutdown() gets
> run on a non-interrupt-servicing CPU, or if interrupts are
> dynamically routed (eg round-robin).
Ah. Missed that.
At 9:51 AM -0400 2001-06-22, Stuart MacDonald wrote:
>From: "kees" <[EMAIL PROTECTED]>
>> What may happen on a SMP machine if a serial port has been closed and the
>> closing stage is at shutdown() in serial.c in the call to free_IRQ and
>> BEFORE the IRQ is really shutdown, a new character ar
From: "kees" <[EMAIL PROTECTED]>
> What may happen on a SMP machine if a serial port has been closed and the
> closing stage is at shutdown() in serial.c in the call to free_IRQ and
> BEFORE the IRQ is really shutdown, a new character arrives which causes an
> IRQ? Is it possible that the OTHER c
Hi
What may happen on a SMP machine if a serial port has been closed and the
closing stage is at shutdown() in serial.c in the call to free_IRQ and
BEFORE the IRQ is really shutdown, a new character arrives which causes an
IRQ? Is it possible that the OTHER cpu takes this interrupt and causes a
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