On Sat, 2002-07-27 at 10:10, Ingo Molnar wrote:
> how about a disable_irq_all() and enable_irq_all() call, which would
> disable every single interrupt source in the system? Sure it's a bit
> heavyweight (it disables the timer interrupt too), but if some driver
> **really** needs complete silence in the IRQ system then it might be
> useful. It would roughly be equivalent to cli() and sti(), from the
> hardirq disabling point of view. [it would not disable bottom halves.]
For the precision needed I think a local irq disable and the lock the
driver needs itself are sufficient, and the lock _irqsave will handle
the IRQ bits
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This archive was generated by hypermail 2b29 : Tue Jul 30 2002 - 14:00:26 EST