linux-kernel - Re: [PATCH V2 18/46] arm64/sysreg: Add register fields for PMUACR

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Message-ID: <CAL_Jsq+45YNGNEcDVFvKH3Tiwtz0HF9_O4tPfQH0dbXra2bcRQ@mail.gmail.com>
Date: Tue, 17 Dec 2024 11:02:57 -0600
From: Rob Herring <robh@...nel.org>
To: Mark Brown <broonie@...nel.org>
Cc: Anshuman Khandual <anshuman.khandual@....com>, linux-kernel@...r.kernel.org, 
	kvmarm@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, maz@...nel.org, 
	ryan.roberts@....com, Oliver Upton <oliver.upton@...ux.dev>, 
	James Morse <james.morse@....com>, Suzuki K Poulose <suzuki.poulose@....com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Subject: Re: [PATCH V2 18/46] arm64/sysreg: Add register fields for PMUACR_EL1

On Tue, Dec 17, 2024 at 9:30 AM Mark Brown <broonie@...nel.org> wrote:
>
> On Mon, Dec 16, 2024 at 05:15:05PM -0600, Rob Herring wrote:
> > On Tue, Dec 10, 2024 at 11:22:43AM +0530, Anshuman Khandual wrote:
>
> > > +Sysreg     PMUACR_EL1      3       0       9       14      4
>
> > I already added this and various other PMUv3.9 registers you've added
> > here in v6.12 and v6.13. So are you on an old base or the tool allows
> > multiple definitions? If the latter, that should be fixed.
>
> The tool is written in awk and hence *really* dumb so it's not going to
> notice this, and so long as the resulting definitions are identical the
> compiler won't either.  It would indeed be nice if the tooling were able
> to detect this.

Something like this should work:

git grep -h '^Sysreg\s' arch/arm64/tools/sysreg | tr -s ' \t' ' ' |
sort | uniq -c | sort -n | grep -E '^\s+([2-9]|1[0-9])'

No duplicates currently.

Rob