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

From: Jeff Garzik
Date: Thu Oct 09 2003 - 12:52:59 EST


Linus Torvalds wrote:
On Thu, 9 Oct 2003, Jeff Garzik wrote:

If you can't stop the NIC hardware from generating interrupts, that's a driver bug.


No it's not.

Think shared interrupts here.

I was being specific in what I said :)

Sure, shared interrupts can still call a driver's handler.

But if the driver doesn't stop _its own_ hardware from generating interrupts, you've got screaming interrupts the minute it issues free_irq and signals it doesn't care anymore. The driver damn well better be able to stop the _NIC hardware_ from generating interrupts :)

Jeff



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