Re: [PATCH] irq: Warn when shared interrupts do not match on NO_SUSPEND
From: Rafael J. Wysocki
Date: Thu Jul 24 2014 - 10:21:00 EST
On Thursday, July 24, 2014 04:15:25 PM Peter Zijlstra wrote:
> On Thu, Jul 24, 2014 at 03:46:38PM +0200, Thomas Gleixner wrote:
> > On Thu, 24 Jul 2014, Peter Zijlstra wrote:
> > > Subject: irq: Warn when shared interrupts do not match on NO_SUSPEND
> > >
> > > When suspend_device_irqs() iterates all descriptors, its pointless if
> > > one has NO_SUSPEND set while another has not.
> > >
> > > Validate on request_irq() that NO_SUSPEND state maches for SHARED
> > > interrupts.
> > I'm happy to take that patch, but you are aware that it is going to
> > break a few things?
> > 25: .... PCI-MSI-edge aerdrv, PCIe PME
> Better an obvious splat than non obvious misbehaviour in my book.
And it will only break things that are already broken.
ACK for the patch.
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