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

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Message-ID: <20230701-e1bff47a0ed38ec3ab6ca252@orel>
Date:   Sat, 1 Jul 2023 16:53:47 +0200
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Haibo Xu <haibo1.xu@...el.com>
Cc:     xiaobo55x@...il.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 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,
drew