On Feb 7, 2008 12:32 PM, Mulyadi Santosa <[EMAIL PROTECTED]> wrote: > Hi... > > On Feb 7, 2008 9:17 PM, Ramagudi Naziir <[EMAIL PROTECTED]> 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.
