From: Marc Zyngier <maz@kernel.org>
To: Oliver Upton <oupton@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Fuad Tabba <tabba@google.com>
Cc: Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: arm64: nv: Write ESR_EL2 for injected nested SError exceptions
Date: Wed, 17 Jun 2026 13:04:18 +0100 [thread overview]
Message-ID: <178169785204.3049672.18218491677214790234.b4-ty@kernel.org> (raw)
In-Reply-To: <20260615131116.390977-1-tabba@google.com>
On Mon, 15 Jun 2026 14:11:16 +0100, Fuad Tabba wrote:
> kvm_inject_el2_exception() writes ESR_EL2 for synchronous exceptions
> but not for SError. enter_exception64() does not write ESR_ELx for any
> exception type, so the constructed syndrome is dropped. A guest L2
> hypervisor taking a nested SError observes stale ESR_EL2.
>
> This affects both kvm_inject_nested_serror() and the EASE path in
> kvm_inject_nested_sea().
>
> [...]
Applied to fixes, thanks!
[1/1] KVM: arm64: nv: Write ESR_EL2 for injected nested SError exceptions
commit: e2cb1f4578625e71f461d5c1ce70984193389cbb
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
prev parent reply other threads:[~2026-06-17 12:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-15 13:11 Fuad Tabba
2026-06-17 12:04 ` Marc Zyngier [this message]
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