linux-kernel - Re: [PATCH v1 0/4] selftests: kvm: Add LoongArch support

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Message-ID: <ZMqLKAWRapQjGgWR@google.com>
Date:   Wed, 2 Aug 2023 09:58:16 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Tianrui Zhao <zhaotianrui@...ngson.cn>
Cc:     Shuah Khan <shuah@...nel.org>, Paolo Bonzini <pbonzini@...hat.com>,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Vishal Annapurve <vannapurve@...gle.com>,
        Huacai Chen <chenhuacai@...nel.org>,
        WANG Xuerui <kernel@...0n.name>, loongarch@...ts.linux.dev,
        Peter Xu <peterx@...hat.com>,
        Vipin Sharma <vipinsh@...gle.com>, maobibo@...ngson.cn
Subject: Re: [PATCH v1 0/4] selftests: kvm: Add LoongArch support

Please use "KVM: selftests:" for the scope.  There's no "official" requirement,
but I've been heavily pushing "KVM: selftests:" and no one has objected or
suggested an alternative, and I'd really like all of KVM selftests to use a
consistent scope.

On Tue, Aug 01, 2023, Tianrui Zhao wrote:
> This patch series base on the Linux LoongArch KVM patch:
> Based-on: <20230720062813.4126751-1-zhaotianrui@...ngson.cn>

Is there an actual dependency?  I ask because I'm shepherding along a series[*]
that will silently conflict with the ucall support, and in a way with the Makefile
changes.

If there's no hard dependency, one option would be take this series through
kvm-x86/selftests (my topic branch for KVM selftests changes) along with the
guest printf series, e.g. so that we don't end up with a mess in linux-next and/or
come the 6.6 merge window.

https://lore.kernel.org/all/20230731203026.1192091-1-seanjc@google.com

>  tools/testing/selftests/kvm/Makefile          |  11 +
>  .../selftests/kvm/include/kvm_util_base.h     |   5 +
>  .../kvm/include/loongarch/processor.h         |  28 ++
>  .../selftests/kvm/include/loongarch/sysreg.h  |  89 +++++
>  .../selftests/kvm/lib/loongarch/exception.S   |  27 ++
>  .../selftests/kvm/lib/loongarch/processor.c   | 367 ++++++++++++++++++
>  .../selftests/kvm/lib/loongarch/ucall.c       |  44 +++
>  7 files changed, 571 insertions(+)
>  create mode 100644 tools/testing/selftests/kvm/include/loongarch/processor.h
>  create mode 100644 tools/testing/selftests/kvm/include/loongarch/sysreg.h
>  create mode 100644 tools/testing/selftests/kvm/lib/loongarch/exception.S
>  create mode 100644 tools/testing/selftests/kvm/lib/loongarch/processor.c
>  create mode 100644 tools/testing/selftests/kvm/lib/loongarch/ucall.c
> 
> -- 
> 2.39.1
>