Re: disabling interrupts?

Alan Cox (
Fri, 22 May 1998 11:36:58 +0100 (BST)

> such as "IRQ pending". You should be able to disable all interrupts
> and poll this register until "IRQ pending" is true. However, you
> shouldn't turn off interrupts for too long, since there are generally
> other interrupts that need processing.

I suspect the all but one IRQ disabled and hlt is to put the bus into
a quiescent mode so the other host can access it. It is quite common and
so long as you handshake the CPU wakeup back to the host quite safe since
the host CPU can keep sending wakeups


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to