Re: [Bulk] Re: [PATCH 1/2] [PCI] Check that MWI bit really did getset

[Andrew Morton]

On Mon, 16 Oct 2006 10:00:25 +1000 Paul Mackerras <paulus@xxxxxxxxx> wrote:

> Andrew Morton writes:
> 
> > If the drivers doesn't care and if it makes no difference to performance
> > then just delete the call to pci_set_mwi().
> > 
> > But if MWI _does_ make a difference to performance then we should tell
> > someone that it isn't working rather than silently misbehaving?
> 
> That sounds like we need a printk inside pci_set_mwi then, rather than
> adding a printk to every single caller.
> 

I think so, yes.  That's a good solution to a lot of these things.
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