linux-kernel - Re: [PATCH v10 04/10] arm64/sysreg: Add a comment that the sysreg file should be sorted

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Message-ID: <87frloqjso.wl-maz@kernel.org>
Date: Sun, 12 Jan 2025 12:49:11 +0000
From: Marc Zyngier <maz@...nel.org>
To: James Clark <james.clark@...aro.org>
Cc: kvmarm@...ts.linux.dev,
	oliver.upton@...ux.dev,
	suzuki.poulose@....com,
	coresight@...ts.linaro.org,
	James Clark <james.clark@....com>,
	Mark Brown <broonie@...nel.org>,
	Joey Gouly <joey.gouly@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Mike Leach <mike.leach@...aro.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Mark Rutland <mark.rutland@....com>,
	Anshuman Khandual <anshuman.khandual@....com>,
	"Rob Herring (Arm)" <robh@...nel.org>,
	Shiqi Liu <shiqiliu@...t.edu.cn>,
	James Morse <james.morse@....com>,
	Fuad Tabba <tabba@...gle.com>,
	Raghavendra Rao Ananta <rananta@...gle.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v10 04/10] arm64/sysreg: Add a comment that the sysreg file should be sorted

On Tue, 07 Jan 2025 11:32:41 +0000,
James Clark <james.clark@...aro.org> wrote:
> 
> From: James Clark <james.clark@....com>
> 
> There are a few entries particularly at the end of the file that aren't
> in order. To avoid confusion, add a comment that might help new entries
> to be added in the right place.
> 
> Reviewed-by: Mark Brown <broonie@...nel.org>
> Signed-off-by: James Clark <james.clark@....com>
> Signed-off-by: James Clark <james.clark@...aro.org>
> ---
>  arch/arm64/tools/sysreg | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index b081b54d6d22..4ba167089e2a 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -48,6 +48,8 @@
>  # feature that introduces them (eg, FEAT_LS64_ACCDATA introduces enumeration
>  # item ACCDATA) though it may be more taseful to do something else.
>  
> +# Please try to keep entries in this file sorted by sysreg encoding.
> +
>  Sysreg	OSDTRRX_EL1	2	0	0	0	2
>  Res0	63:32
>  Field	31:0	DTRRX

"Do as I say, don't do as I do".

I don't think this makes any sense if we don't actually sort the file
the first place.

	M.

-- 
Without deviation from the norm, progress is not possible.