linux-kernel - Re: [PATCH v2 5/8] KVM: riscv: selftests: Add exception handling support

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Date:   Mon, 4 Sep 2023 15:46:11 +0200
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Haibo Xu <haibo1.xu@...el.com>
Cc:     xiaobo55x@...il.com, Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Shuah Khan <shuah@...nel.org>, Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...shpatra.org>,
        Guo Ren <guoren@...nel.org>, wchen <waylingii@...il.com>,
        Daniel Henrique Barboza <dbarboza@...tanamicro.com>,
        Greentime Hu <greentime.hu@...ive.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Vishal Annapurve <vannapurve@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Aaron Lewis <aaronlewis@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Ackerley Tng <ackerleytng@...gle.com>,
        Mingwei Zhang <mizhang@...gle.com>,
        Vipin Sharma <vipinsh@...gle.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        Peter Gonda <pgonda@...gle.com>,
        Thomas Huth <thuth@...hat.com>, Like Xu <likexu@...cent.com>,
        Philippe Mathieu-Daudé <philmd@...aro.org>,
        David Woodhouse <dwmw@...zon.co.uk>,
        Michal Luczaj <mhal@...x.co>, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, kvm@...r.kernel.org,
        linux-kselftest@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        kvm-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 5/8] KVM: riscv: selftests: Add exception handling
 support

On Sat, Sep 02, 2023 at 08:59:27PM +0800, Haibo Xu wrote:
> Add the infrastructure for guest exception handling in riscv selftests.
> Customized handlers can be enabled by vm_install_exception_handler(vector)
> or vm_install_interrupt_handler().
> 
> The code is inspired from that of x86/arm64.
> 
> Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
> ---
>  tools/testing/selftests/kvm/Makefile          |   1 +
>  .../selftests/kvm/include/riscv/processor.h   |  43 ++++++++
>  .../selftests/kvm/lib/riscv/handlers.S        | 101 ++++++++++++++++++
>  .../selftests/kvm/lib/riscv/processor.c       |  69 ++++++++++++
>  4 files changed, 214 insertions(+)
>  create mode 100644 tools/testing/selftests/kvm/lib/riscv/handlers.S
>

Reviewed-by: Andrew Jones <ajones@...tanamicro.com>