linux-kernel - Re: [PATCH 1/3] arm64/hwcap: Add hwcap for FEAT

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Message-ID: <77dd46da-85ea-442a-a05e-d54c56b51786@arm.com>
Date: Mon, 30 Jun 2025 11:05:18 +0100
From: Ben Horgan <ben.horgan@....com>
To: Mark Brown <broonie@...nel.org>, Catalin Marinas
 <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Jonathan Corbet <corbet@....net>, Marc Zyngier <maz@...nel.org>,
 Oliver Upton <oliver.upton@...ux.dev>, Joey Gouly <joey.gouly@....com>,
 Suzuki K Poulose <suzuki.poulose@....com>, Shuah Khan <shuah@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, kvmarm@...ts.linux.dev,
 linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 1/3] arm64/hwcap: Add hwcap for FEAT_LSFE



On 6/27/25 18:20, Mark Brown wrote:
> FEAT_LSFE (Large System Float Extension), providing atomic floating point
> memory operations, is optional from v9.5. This feature adds no new
> architectural stare and we have no immediate use for it in the kernel so
> simply provide a hwcap for it to support discovery by userspace.

nit: s/stare/state/

Thanks,

Ben