Messages in this thread | | | Date | Thu, 24 Oct 2002 08:05:34 -0500 | From | Corey Minyard <> | Subject | Re: [PATCH] NMI request/release, version 4 |
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Dipankar Sarma wrote:
>Ok, some more comments - > >On Wed, Oct 23, 2002 at 03:14:52PM -0500, Corey Minyard wrote: > > >Can release_nmi() be done from irq context ? If not, I don't see >why spin_lock_irqsave() is required here. If it can be called >from irq context, then I can't see how you can schedule() >(or wait_for_completion() for that matter :)). > I originally was using nmi_handler_lock in the rcu routine (which runs at interrupt level). You have to turn off interrupts if someone else can claim the lock at interrupt level. However, I"m not any more, so it can go away.
-Corey
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