Re: [PATCH] xen-pciback: fix INTERRUPT_TYPE_* defines

From: Marek Marczykowski-GÃrecki
Date: Thu Mar 19 2020 - 12:05:37 EST


On Thu, Mar 19, 2020 at 11:07:13AM -0400, Boris Ostrovsky wrote:
>
> On 3/19/20 12:06 AM, Marek Marczykowski-GÃrecki wrote:
> > INTERRUPT_TYPE_NONE should be 0,
>
>
> Would
>
> Â return ret ?: INTERRUPT_TYPE_NONE
>
> in xen_pcibk_get_interrupt_type() work?
>
>
> I think it's better not to tie macro name to a particular value.

I can do that too. But I'd change INTERRUPT_TYPE_NONE to 0 anyway, as
more logical value (as the value is a bitmask).

> -boris
>
>
> > as it is assumed in
> > xen_pcibk_get_interrupt_type(). Fix the definition, and also shift other
> > values to not leave holes.
> > But also use INTERRUPT_TYPE_NONE in xen_pcibk_get_interrupt_type() to
> > avoid similar confusions in the future.
> >
> > Fixes: 476878e4b2be ("xen-pciback: optionally allow interrupt enable flag writes")
> > Signed-off-by: Marek Marczykowski-GÃrecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> >

--
Best Regards,
Marek Marczykowski-GÃrecki
Invisible Things Lab
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?

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