From: Marc Zyngier <maz@kernel.org>
To: Rob Herring <robh@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Anshuman Khandual <anshuman.khandual@arm.com>,
linux-arm-kernel@lists.infradead.org,
Will Deacon <will@kernel.org>,
Ryan Roberts <ryan.roberts@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Jonathan Corbet <corbet@lwn.net>,
Eric Auger <eric.auger@redhat.com>,
kvmarm@lists.linux.dev, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/7] arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9
Date: Wed, 08 Jan 2025 14:02:48 +0000 [thread overview]
Message-ID: <86tta9wghj.wl-maz@kernel.org> (raw)
In-Reply-To: <CAL_JsqKKiEOj=a1k6U-bB0F6-ht7QokDnh3bspHupp-QG=haSg@mail.gmail.com>
On Wed, 08 Jan 2025 13:47:16 +0000,
Rob Herring <robh@kernel.org> wrote:
>
> Out of curiosity, why do we care if there's a splat or not for a not
> well behaved guest?
The only well behaved guest is the one that doesn't run.
Getting that splat is an indication of a *KVM* bug which fails to
correctly emulate the architecture (feature not advertised ->
instructions must silently UNDEF).
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2025-01-08 14:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-20 7:22 [PATCH 0/7] arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 1/7] arm64/sysreg: Update register fields for ID_AA64MMFR0_EL1 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 2/7] arm64/sysreg: Add register fields for HDFGRTR2_EL2 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 3/7] arm64/sysreg: Add register fields for HDFGWTR2_EL2 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 4/7] arm64/sysreg: Add register fields for HFGITR2_EL2 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 5/7] arm64/sysreg: Add register fields for HFGRTR2_EL2 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 6/7] arm64/sysreg: Add register fields for HFGWTR2_EL2 Anshuman Khandual
2024-12-20 7:22 ` [PATCH 7/7] arm64/boot: Enable EL2 requirements for FEAT_PMUv3p9 Anshuman Khandual
2025-01-02 15:57 ` Rob Herring
2025-01-02 16:04 ` [PATCH 0/7] " Rob Herring
2025-01-07 12:13 ` Catalin Marinas
2025-01-07 13:42 ` Marc Zyngier
2025-01-07 22:13 ` Rob Herring
2025-01-08 11:15 ` Marc Zyngier
2025-01-08 13:47 ` Rob Herring
2025-01-08 14:02 ` Marc Zyngier [this message]
2025-01-16 15:32 ` Catalin Marinas
2025-01-17 22:07 ` Rob Herring
2025-01-28 9:11 ` Anshuman Khandual
2025-01-29 18:03 ` Catalin Marinas
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