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SubjectRe: [PATCH 00/12] treewide: Fix GENMASK misuses
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On Wed, 2019-07-10 at 08:45 -0700, Joe Perches wrote:
> On Wed, 2019-07-10 at 10:43 +0100, Russell King - ARM Linux admin wrote:
> > On Wed, Jul 10, 2019 at 11:17:31AM +0200, Johannes Berg wrote:
> > > On Tue, 2019-07-09 at 22:04 -0700, Joe Perches wrote:
> > > > These GENMASK uses are inverted argument order and the
> > > > actual masks produced are incorrect. Fix them.
> > > >
> > > > Add checkpatch tests to help avoid more misuses too.
> > > >
> > > > Joe Perches (12):
> > > > checkpatch: Add GENMASK tests
> > >
> > > IMHO this doesn't make a lot of sense as a checkpatch test - just throw
> > > in a BUILD_BUG_ON()?
>
> I tried that.
>
> It'd can't be done as it's used in declarations
> and included in asm files and it uses the UL()
> macro.
>
> I also tried just making it do the right thing
> whatever the argument order.

I forgot.

I also made all those arguments when it was
introduced in 2013.

https://lore.kernel.org/patchwork/patch/414248/

> Oh well.

yeah.


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