Re: acpi-test tree on eeepc: EC error message on second resume

From: Rafael J. Wysocki
Date: Sat Oct 11 2008 - 16:50:01 EST


On Saturday, 11 of October 2008, Alexey Starikovskiy wrote:
> Rafael J. Wysocki wrote:
> >> No, we discussed this before -- we are outside of the transaction, thus
> >> no GPE
> >> activity could interfere with ec_check_ibf0.
> >
> > Ok, this is in the process context and we don't really expect to get an
> > interrupt at this point, but what happens if the EC generates an event that's
> > not related to any transiaction. Is that guaranteed to never happen?
> Interrupt handler in this case can't cause a change to status register, thus our
> read of it will not be affected by interrupt.

Ok, thanks.

Alan, does the patch work for you?

Rafael
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