On Mon, 10 Jul 2006, Brown, Len wrote:
> Okay, if system_state is off limits, there here is what I've got
> (interesting part is the last 20 lines)
>
> ACPI: acpi_os_allocate() fixes
>
> Replace acpi_in_resume with a more general hack
> to check irqs_disabled() on any kmalloc() from ACPI.
> While setting (system_state != SYSTEM_RUNNING) on resume
> seemed more general, Andrew Morton preferred this approach.
I'm not sure how you would like to handle this, but a similar fix needs to
be made in drivers/acpi/osl.c:acpi_os_wait_semaphore(). If interrupts are
disabled the timeout argument should be set to 0, so that the routine will
call down_trylock() instead of down() or schedule_timeout_interruptible().
Alan Stern
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