From: Marc Zyngier <maz@kernel.org>
To: Khushit Shah <khushit.shah@nutanix.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Shameer Kolothum <skolothumtho@nvidia.com>,
Oliver Upton <oupton@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v1] arm64: errata: pass REVIDR when matching target implementation CPUs
Date: Wed, 02 Sep 2026 08:50:52 +0100 [thread overview]
Message-ID: <87jyp4m6qr.wl-maz@kernel.org> (raw)
In-Reply-To: <20260831105444.4065831-1-khushit.shah@nutanix.com>
On Mon, 31 Aug 2026 11:54:44 +0100,
Khushit Shah <khushit.shah@nutanix.com> wrote:
>
> When target implementation CPUs are provided, is_affected_midr_range()
> accidentally passed the MIDR as both arguments to __is_affected_midr_range(),
> so the REVIDR mask check operated on the wrong register.
>
> Pass REVIDR as intended.
>
> Fixes: 86edf6bdcf05 ("smccc/kvm_guest: Enable errata based on implementation CPUs")
> Cc: stable@vger.kernel.org
> Signed-off-by: Khushit Shah <khushit.shah@nutanix.com>
Acked-by: Marc Zyngier <maz@kernel.org>
M.
--
Jazz isn't dead. It just smells funny.
next prev parent reply other threads:[~2026-09-02 7:48 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 10:54 [PATCH v1] arm64: errata: pass REVIDR when matching target implementation CPUs Khushit Shah
2026-09-01 11:27 ` Shameer Kolothum Thodi
2026-09-02 7:50 ` Marc Zyngier [this message]
2026-09-02 11:46 ` Zenghui Yu
2026-09-03 13:59 ` Will Deacon
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