Re: [RFC] disable_irq()/enable_irq() semantics and ide-probe.c

From: Benjamin Herrenschmidt
Date: Thu Oct 09 2003 - 12:08:02 EST


On Thu, 2003-10-09 at 19:03, Jeff Garzik wrote:

> Easily solved with a synchronize_irq() ;-)

No. synchronize_irq will do nothing to an irq that is
still somewhere in the HW path from the device to the core,
and even in the core it may be queued for some cycles before
actually delivered.



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