regarding do_IRQ()

[Mulyadi Santosa]

Hi...

On Sun, Jul 24, 2011 at 11:48, santhosh kumars <karuna.linux at gmail.com> wrote:

......
> Here is my question  like ,If do_IRQ()  disables the interrupt
> delivery on the line(I am assuming it disables the interrupt delivery
> to all other processors on that line),then what about the other
> devices which are sharing same interrupt line and trying to send
> interrupts to processors.

IIRC, it is "queued"....meaning, it will be sent at the earliest
moment possible once it is back enabled.

PS: I remember there is difference between disabled and
"masked"...disabled is like "temporary shut down" while masked is like
"no way you can get in...unless I say so...so no queue"... CMIIW
people...

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com