Re: kvm: nVHE hyp panic at: __kvm_nvhe_kvm_hyp_handle_sysre
From: Dan Carpenter
Date: Wed Feb 12 2025 - 06:41:50 EST
On Tue, Feb 11, 2025 at 11:36:31AM +0000, Marc Zyngier wrote:
> For the crash at hand, which clearly shows nVHE, can you report
> whether the following hack fixes it for you?
>
> M.
No luck, I'm afraid. It still crashes the same way.
https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/anders/tests/2steTT4f2J8ZJjc3jNJFMuow9Cb
Click on "Logs: html" for the dmesg.
regards,
dan carpenter
>
> diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
> index f838a45665f26..cb57420a07de2 100644
> --- a/arch/arm64/kvm/hyp/include/hyp/switch.h
> +++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
> @@ -556,7 +556,7 @@ static bool kvm_handle_cntxct(struct kvm_vcpu *vcpu)
> return false;
> }
>
> - val = compute_counter_value(ctxt);
> + val = compute_counter_value(kern_hyp_va(ctxt));
>
> vcpu_set_reg(vcpu, kvm_vcpu_sys_get_rt(vcpu), val);
> __kvm_skip_instr(vcpu);
>
> --
> Without deviation from the norm, progress is not possible.