From: Oliver Upton <oliver.upton@linux.dev>
To: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
James Morse <james.morse@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: Re: [PATCH] KVM: arm64: nv: Fix RESx behaviour of disabled FGTs with negative polarity
Date: Fri, 14 Jun 2024 20:24:51 +0000 [thread overview]
Message-ID: <171839668434.686757.6430070893119235107.b4-ty@linux.dev> (raw)
In-Reply-To: <20240614125858.78361-1-maz@kernel.org>
On Fri, 14 Jun 2024 13:58:58 +0100, Marc Zyngier wrote:
> The Fine Grained Trap extension is pretty messy as it doesn't
> consistently use the same polarity for all trap bits. A bunch
> of them, added later in the life of the architecture, have a
> *negative* priority.
>
> So if these bits are disabled, they must be RES1 and not RES0.
> But that's not what the code implements, making the traps for
> these negative trap bits being always on instead of disabled.
>
> [...]
Applied to kvmarm/next, thanks!
[1/1] KVM: arm64: nv: Fix RESx behaviour of disabled FGTs with negative polarity
https://git.kernel.org/kvmarm/kvmarm/c/eb9d53d4a949
--
Best,
Oliver
next prev parent reply other threads:[~2024-06-14 20:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-14 12:58 [PATCH] KVM: arm64: nv: Fix RESx behaviour of disabled FGTs with negative polarity Marc Zyngier
2024-06-14 20:24 ` Oliver Upton [this message]
2024-07-05 12:08 ` Marc Zyngier
2024-07-08 19:59 ` Oliver Upton
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