From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 17/19] arm/arm64: KVM: Inject virtual abort when guest exits on external abort
Date: Thu, 8 Sep 2016 11:09:33 +0200 [thread overview]
Message-ID: <20160908090933.GV23592@cbox> (raw)
In-Reply-To: <1473166937-15271-18-git-send-email-marc.zyngier@arm.com>
On Tue, Sep 06, 2016 at 02:02:15PM +0100, Marc Zyngier wrote:
> If we spot a data abort bearing the ESR_EL2.EA bit set, we know that
> this is an external abort, and that should be punished by a the injection
nit: s/a//
(I can fix this up though)
> of an abort.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
> arch/arm/kvm/mmu.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
> index bda27b6..6827b54 100644
> --- a/arch/arm/kvm/mmu.c
> +++ b/arch/arm/kvm/mmu.c
> @@ -1434,6 +1434,11 @@ int kvm_handle_guest_abort(struct kvm_vcpu *vcpu, struct kvm_run *run)
> int ret, idx;
>
> is_iabt = kvm_vcpu_trap_is_iabt(vcpu);
> + if (unlikely(!is_iabt && kvm_vcpu_dabt_isextabt(vcpu))) {
> + kvm_inject_vabt(vcpu);
> + return 1;
> + }
> +
> fault_ipa = kvm_vcpu_get_fault_ipa(vcpu);
>
> trace_kvm_guest_fault(*vcpu_pc(vcpu), kvm_vcpu_get_hsr(vcpu),
> --
> 2.1.4
>
next prev parent reply other threads:[~2016-09-08 9:09 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-06 13:01 [PATCH 00/19] Handle guest-generated SErrors/Aborts Marc Zyngier
2016-09-06 13:01 ` [PATCH 01/19] arm64: KVM: Rename HCR_VA to HCR_VSE Marc Zyngier
2016-09-06 13:02 ` [PATCH 02/19] arm64: KVM: Preserve pending vSError in world switch Marc Zyngier
2016-09-06 13:02 ` [PATCH 03/19] arm64: KVM: Add Virtual Abort injection helper Marc Zyngier
2016-09-06 13:02 ` [PATCH 04/19] arm64: KVM: Add exception code to report EL1 asynchronous aborts Marc Zyngier
2016-09-06 13:02 ` [PATCH 05/19] arm64: KVM: Add EL1 async abort handler Marc Zyngier
2016-09-06 13:02 ` [PATCH 06/19] arm64: KVM: Route asynchronous aborts Marc Zyngier
2016-09-06 13:02 ` [PATCH 07/19] arm64: KVM: Allow an exit code to be tagged with an SError Marc Zyngier
2016-09-06 13:02 ` [PATCH 08/19] arm64: KVM: Inject a Virtual SError if it was pending Marc Zyngier
2016-09-06 13:02 ` [PATCH 09/19] arm64: KVM: Handle async aborts delivered while at EL2 Marc Zyngier
2016-09-07 17:03 ` Christoffer Dall
2016-09-07 17:21 ` Marc Zyngier
2016-09-08 8:47 ` Christoffer Dall
2016-09-06 13:02 ` [PATCH 10/19] arm: KVM: Preserve pending Virtual Abort in world switch Marc Zyngier
2016-09-06 13:02 ` [PATCH 11/19] arm: KVM: Add Virtual Abort injection helper Marc Zyngier
2016-09-06 13:02 ` [PATCH 12/19] arm: KVM: Add HYP async abort handler Marc Zyngier
2016-09-06 13:02 ` [PATCH 13/19] arm: KVM: Allow an exit code to be tagged with a Virtual Abort Marc Zyngier
2016-09-06 13:02 ` [PATCH 14/19] arm: KVM: Handle async aborts delivered while at HYP Marc Zyngier
2016-09-06 13:02 ` [PATCH 15/19] arm: KVM: Inject a Virtual Abort if it was pending Marc Zyngier
2016-09-06 13:02 ` [PATCH 16/19] arm: KVM: Drop unreachable HYP abort handlers Marc Zyngier
2016-09-06 13:02 ` [PATCH 17/19] arm/arm64: KVM: Inject virtual abort when guest exits on external abort Marc Zyngier
2016-09-08 9:09 ` Christoffer Dall [this message]
2016-09-06 13:02 ` [PATCH 18/19] arm/arm64: KVM: Remove external abort test from MMIO handling Marc Zyngier
2016-09-06 13:02 ` [PATCH 19/19] arm64: KVM: Inject a vSerror if detecting a bad GICV access at EL2 Marc Zyngier
2016-09-08 9:44 ` [PATCH 00/19] Handle guest-generated SErrors/Aborts Christoffer Dall
2016-09-08 9:55 ` Marc Zyngier
2016-09-08 9:47 ` Wei Chen
2016-09-08 10:02 ` Marc Zyngier
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