From: Ben Horgan <ben.horgan@arm.com>
To: Marc Zyngier <maz@kernel.org>,
kvmarm@lists.linux.dev, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Cc: Joey Gouly <joey.gouly@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Oliver Upton <oupton@kernel.org>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v2 3/5] KVM: arm64: Add a generic synchronous exception injection primitive
Date: Wed, 26 Nov 2025 16:58:27 +0000 [thread overview]
Message-ID: <c5e85f4d-2646-4459-8034-bc9765c8e5da@arm.com> (raw)
In-Reply-To: <20251126155951.1146317-4-maz@kernel.org>
Hi Marc,
On 11/26/25 15:59, Marc Zyngier wrote:
> Maybe in a surprising way, we don't currently have a generic way
> to inject a synchronous exception at the EL the vcpu is currently
> running at.
>
> Extract such primitive from the UNDEF injection code.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> ---
> arch/arm64/include/asm/kvm_emulate.h | 1 +
> arch/arm64/kvm/inject_fault.c | 10 +++++++---
> 2 files changed, 8 insertions(+), 3 deletions(-)
LGTM.
Reviewed-by: Ben Horgan <ben.horgan@arm.com>
Thanks,
Ben
next prev parent reply other threads:[~2025-11-26 16:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 15:59 [PATCH v2 0/5] KVM: arm64: Add support for FEAT_IDST Marc Zyngier
2025-11-26 15:59 ` [PATCH v2 1/5] KVM: arm64: Add routing/handling for GMID_EL1 Marc Zyngier
2025-11-26 15:59 ` [PATCH v2 2/5] KVM: arm64: Force trap of GMID_EL1 when the guest doesn't have MTE Marc Zyngier
2025-11-27 5:52 ` Yao Yuan
2025-11-27 6:37 ` Oliver Upton
2025-11-27 16:31 ` Marc Zyngier
2025-11-26 15:59 ` [PATCH v2 3/5] KVM: arm64: Add a generic synchronous exception injection primitive Marc Zyngier
2025-11-26 16:58 ` Ben Horgan [this message]
2025-11-27 5:57 ` Yao Yuan
2025-11-26 15:59 ` [PATCH v2 4/5] KVM: arm64: Report optional ID register traps with a 0x18 syndrome Marc Zyngier
2025-11-26 17:10 ` Ben Horgan
2025-11-26 17:14 ` Ben Horgan
2025-11-27 6:07 ` Yao Yuan
2025-11-27 6:43 ` Oliver Upton
2025-11-27 16:35 ` Marc Zyngier
2025-11-26 15:59 ` [PATCH v2 5/5] KVM: arm64: selftests: Add a test for FEAT_IDST Marc Zyngier
2025-11-27 16:38 ` [PATCH v2 0/5] KVM: arm64: Add support " Marc Zyngier
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