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

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Message-ID: <86v7viqusg.wl-maz@kernel.org>
Date: Tue, 17 Dec 2024 13:54:39 +0000
From: Marc Zyngier <maz@...nel.org>
To: Mark Brown <broonie@...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, 17 Dec 2024 13:12:12 +0000,
Mark Brown <broonie@...nel.org> wrote:
> 
> [1  <text/plain; us-ascii (7bit)>]
> On Tue, Dec 17, 2024 at 08:30:37AM +0000, Marc Zyngier wrote:
> > Mark Brown <broonie@...nel.org> wrote:
> 
> > > Fixes: 03c7527e97f7 ("KVM: arm64: Do not allow ID_AA64MMFR0_EL1.ASIDbits to be overridden")
> 
> > A patch for a test doesn't fix anything in the kernel.
> 
> 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.

	M.

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