[PATCH 2/4] kselftest/arm64: Fix printf() warning in the arm64 MTE prctl() test

[Mark Brown]

On Fri, Nov 08, 2024 at 03:25:46PM +0000, Catalin Marinas wrote:
> On Fri, Nov 08, 2024 at 03:10:59PM +0000, Mark Brown wrote:

> > > -			       (ret & PR_MTE_TCF_MASK), mask);
> > > +			       (int)(ret & PR_MTE_TCF_MASK), mask);

> > Shouldn't we just use a %lx here?  Casts tend to be suspicious...

> It's more like the ret is actually 32-bit and should stay like that when
> bits are masked out. But the bitwise op 'upgrades' it to a long (in
> hindsight, we should not have used UL for the TCF bits and mask).

Hrm, right.  Possibly put the cast on PR_MTE_TCF_MASK rather than on the
expression as a whole then?
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