Re: copy to/from user with irq disabled

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On Feb 7, 2008 12:32 PM, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote:
Hi...

On Feb 7, 2008 9:17 PM, Ramagudi Naziir <naziirr@xxxxxxxxx> wrote:
> hi everyone,
>
> is it allowed to use the copy from/to userspace with irq disabled ?

Hm, it might block...don't you think?

regards,

Mulyadi.


As Mulyadi said copy from/to user space may block (try to think that the page you want to copy from/to is not in memory).

Why do you think you need to disable interrupts ?

Regards.

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