linux-kernel - Re: [PATCH] KVM: arm64: Fix set_id_regs selftest for ASIDBITS becoming unwritable

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Message-ID: <b13b14df-00ee-4bee-8f65-d2cb7a9bfa6b@sirena.org.uk>
Date: Tue, 17 Dec 2024 15:10:28 +0000
From: Mark Brown <broonie@...nel.org>
To: Marc Zyngier <maz@...nel.org>
Cc: Oliver Upton <oliver.upton@...ux.dev>, Joey Gouly <joey.gouly@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Paolo Bonzini <pbonzini@...hat.com>, Shuah Khan <shuah@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
	kvm@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: arm64: Fix set_id_regs selftest for ASIDBITS
 becoming unwritable

On Tue, Dec 17, 2024 at 01:54:39PM +0000, Marc Zyngier wrote:
> Mark Brown <broonie@...nel.org> wrote:

> > The selftests are shipped as part of the kernel source and frequently
> > used for testing the kernel, it's all one source base and we want to
> > ensure that for example the test fix gets backported if the relevant
> > kernel patch does.

> That's not what Fixes: describes. If you want to invent a new tag that
> expresses a dependency, do that. Don't use these tags to misrepresent
> what the patches does.

No, this isn't a new use - a Fixes: tag indicates that the referenced
commit introduced the problem being fixed and that is exactly what's
going on here.  Like I say the selftests are not a completely separate
project, they are a part of the same source release as the rest of the
kernel and it is helpful to track information like this.

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