linux-kernel - Re: [PATCH V16 1/8] arm64/sysreg: Add BRBE registers and fields

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Date: Fri, 23 Feb 2024 13:31:58 +0000
From: Mark Brown <broonie@...nel.org>
To: Anshuman Khandual <anshuman.khandual@....com>
Cc: Mark Rutland <mark.rutland@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	will@...nel.org, catalin.marinas@....com,
	James Clark <james.clark@....com>, Rob Herring <robh@...nel.org>,
	Marc Zyngier <maz@...nel.org>,
	Suzuki Poulose <suzuki.poulose@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-perf-users@...r.kernel.org
Subject: Re: [PATCH V16 1/8] arm64/sysreg: Add BRBE registers and fields

On Fri, Feb 23, 2024 at 10:58:12AM +0530, Anshuman Khandual wrote:
> On 2/21/24 19:37, Mark Brown wrote:
> > On Wed, Feb 21, 2024 at 02:05:24PM +0000, Mark Rutland wrote:

> >> Sure, we're inconsistent. I'd just prefer that there's *some* local ordering
> >> here, as the patch is neither ordered as above nor by encoding:

> > I agree, I'm just saying that if we're going to fix the ordering it'd
> > probably be better to go along with what the rest of the file is doing.

> Sure, will change the registers order as has been suggested earlier i.e
> alphanumerically instead. Because ordering registers with encoding will
> push BRBCR_EL2/12 after all other BRBE registers, including BRBIDR0_EL1.

> After the change

> BRBCR_EL1
> BRBCR_EL12
> BRBCR_EL2

The _EL2/12 registers generally come at the end of the file due to the
way the encodings work?

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