From: Will Deacon <will@kernel.org>
To: "Pierre-Clément Tosi" <ptosi@google.com>
Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
kvm@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Vincent Donnefort <vdonnefort@google.com>
Subject: Re: [PATCH v5 3/8] KVM: arm64: nVHE: Simplify invalid_host_el2_vect
Date: Thu, 20 Jun 2024 12:35:50 +0100 [thread overview]
Message-ID: <20240620113549.GA4625@willie-the-truck> (raw)
In-Reply-To: <20240610063244.2828978-4-ptosi@google.com>
On Mon, Jun 10, 2024 at 07:32:32AM +0100, Pierre-Clément Tosi wrote:
> The invalid_host_el2_vect macro is used by EL2{t,h} handlers in nVHE
> *host* context, which should never run with a guest context loaded.
> Therefore, remove the superfluous vCPU context check and branch
> unconditionally to hyp_panic.
>
> Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
> ---
> arch/arm64/kvm/hyp/nvhe/host.S | 6 ------
> 1 file changed, 6 deletions(-)
Acked-by: Will Deacon <will@kernel.org>
Will
next prev parent reply other threads:[~2024-06-20 11:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-10 6:32 [PATCH v5 0/8] KVM: arm64: Add support for hypervisor kCFI Pierre-Clément Tosi
2024-06-10 6:32 ` [PATCH v5 1/8] KVM: arm64: Fix clobbered ELR in sync abort/SError Pierre-Clément Tosi
2024-06-10 6:32 ` [PATCH v5 2/8] KVM: arm64: Fix __pkvm_init_switch_pgd call ABI Pierre-Clément Tosi
2024-06-20 11:37 ` Will Deacon
2024-06-10 6:32 ` [PATCH v5 3/8] KVM: arm64: nVHE: Simplify invalid_host_el2_vect Pierre-Clément Tosi
2024-06-20 11:35 ` Will Deacon [this message]
2024-06-10 6:32 ` [PATCH v5 4/8] KVM: arm64: nVHE: gen-hyprel: Skip R_AARCH64_ABS32 Pierre-Clément Tosi
2024-06-10 6:32 ` [PATCH v5 5/8] KVM: arm64: VHE: Mark __hyp_call_panic __noreturn Pierre-Clément Tosi
2024-06-10 6:32 ` [PATCH v5 6/8] arm64: Introduce esr_brk_comment, esr_is_cfi_brk Pierre-Clément Tosi
2024-06-10 6:32 ` [PATCH v5 7/8] KVM: arm64: Introduce print_nvhe_hyp_panic helper Pierre-Clément Tosi
2024-06-10 6:32 ` [PATCH v5 8/8] KVM: arm64: nVHE: Support CONFIG_CFI_CLANG at EL2 Pierre-Clément Tosi
2024-06-20 17:56 ` [PATCH v5 0/8] KVM: arm64: Add support for hypervisor kCFI Oliver Upton
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