linux-kernel - Re: [PATCH v5 00/13] RISCV: Add KVM_GET_REG

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Date:   Mon, 3 Jul 2023 10:53:15 +0800
From:   Haibo Xu <xiaobo55x@...il.com>
To:     Andrew Jones <ajones@...tanamicro.com>
Cc:     Haibo Xu <haibo1.xu@...el.com>, maz@...nel.org,
        oliver.upton@...ux.dev, seanjc@...gle.com,
        Paolo Bonzini <pbonzini@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...shpatra.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Shuah Khan <shuah@...nel.org>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Vishal Annapurve <vannapurve@...gle.com>,
        Vipin Sharma <vipinsh@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Colton Lewis <coltonlewis@...gle.com>, kvm@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        kvm-riscv@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        linux-kselftest@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev
Subject: Re: [PATCH v5 00/13] RISCV: Add KVM_GET_REG_LIST API

On Sat, Jul 1, 2023 at 10:53 PM Andrew Jones <ajones@...tanamicro.com> wrote:
>
> On Sat, Jul 01, 2023 at 09:42:48PM +0800, Haibo Xu wrote:
> > KVM_GET_REG_LIST will dump all register IDs that are available to
> > KVM_GET/SET_ONE_REG and It's very useful to identify some platform
> > regression issue during VM migration.
> >
> > Patch 1-7 re-structured the get-reg-list test in aarch64 to make some
> > of the code as common test framework that can be shared by riscv.
> >
> > Patch 8 move reject_set check logic to a function so as to check for
> > different errno for different registers.
> > Patch 9 move finalize_vcpu back to run_test so that riscv can implement
> > its specific operation.
> > Patch 10 change to do the get/set operation only on present-blessed list.
> > Patch 11 add the skip_set facilities so that riscv can skip set operation
> > on some registers.
> > Patch 12 enabled the KVM_GET_REG_LIST API in riscv.
> > patch 13 added the corresponding kselftest for checking possible
> > register regressions.
> >
> > The get-reg-list kvm selftest was ported from aarch64 and tested with
> > Linux v6.4 on a Qemu riscv64 virt machine.
>
> Hi Haibo,
>
> This series needs a rebase on top of these recent patches
>
>  commit ee053e03b08e ("KVM: selftests: get-reg-list: support ID register features")
>  commit 5f0419a0083b ("KVM: selftests: get-reg-list: add Permission Indirection registers")
>
> The conflicts will be in my patches, which do the splitting of the test.
> I'll do the rebase and push it to a branch for you to pick up.
>

Thanks for the heads up. I will include your changes in v6.

> Thanks,
> drew