linux-kernel - Re: [PATCH v13 25/35] KVM: selftests: Convert lib's mem regions to KVM_SET_USER_MEMORY

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Date: Fri, 26 Apr 2024 10:33:40 +0300
From: "Jarkko Sakkinen" <jarkko@...nel.org>
To: "Sean Christopherson" <seanjc@...gle.com>, "Shuah Khan"
 <skhan@...uxfoundation.org>
Cc: "Dan Carpenter" <dan.carpenter@...aro.org>, "Shuah Khan"
 <shuah@...nel.org>, "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
 "Paolo Bonzini" <pbonzini@...hat.com>, "Marc Zyngier" <maz@...nel.org>,
 "Oliver Upton" <oliver.upton@...ux.dev>, "Huacai Chen"
 <chenhuacai@...nel.org>, "Michael Ellerman" <mpe@...erman.id.au>, "Anup
 Patel" <anup@...infault.org>, "Paul Walmsley" <paul.walmsley@...ive.com>,
 "Palmer Dabbelt" <palmer@...belt.com>, "Albert Ou" <aou@...s.berkeley.edu>,
 "Alexander Viro" <viro@...iv.linux.org.uk>, "Christian Brauner"
 <brauner@...nel.org>, "Matthew Wilcox (Oracle)" <willy@...radead.org>,
 "Andrew Morton" <akpm@...ux-foundation.org>, <kvm@...r.kernel.org>,
 <linux-arm-kernel@...ts.infradead.org>, <kvmarm@...ts.linux.dev>,
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 Yilun" <yilun.xu@...el.com>, "Chao Peng" <chao.p.peng@...ux.intel.com>,
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 <liam.merwick@...cle.com>, "Isaku Yamahata" <isaku.yamahata@...il.com>,
 "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>, "Naresh Kamboju"
 <naresh.kamboju@...aro.org>, "Anders Roxell" <anders.roxell@...aro.org>,
 "Benjamin Copeland" <ben.copeland@...aro.org>
Subject: Re: [PATCH v13 25/35] KVM: selftests: Convert lib's mem regions to
 KVM_SET_USER_MEMORY_REGION2

On Thu Apr 25, 2024 at 6:09 PM EEST, Sean Christopherson wrote:
> +       __TEST_REQUIRE(kvm_has_cap(KVM_CAP_USER_MEMORY2),
> +                      "KVM selftests from v6.8+ require KVM_SET_USER_MEMORY_REGION2");

This would work also for casual (but not seasoned) visitor in KVM code
as additionl documentation.

BR, Jarkko