linux-kernel - Re: [PATCH v4 00/16] KVM: selftests: "tree" wide overhauls

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Message-ID: <6887b48c-b1ef-418b-90e7-fa95fedc71f2@redhat.com>
Date: Thu, 19 Dec 2024 13:51:39 +0100
From: Paolo Bonzini <pbonzini@...hat.com>
To: Sean Christopherson <seanjc@...gle.com>, Marc Zyngier <maz@...nel.org>,
 Oliver Upton <oliver.upton@...ux.dev>, Anup Patel <anup@...infault.org>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Christian Borntraeger <borntraeger@...ux.ibm.com>,
 Janosch Frank <frankja@...ux.ibm.com>,
 Claudio Imbrenda <imbrenda@...ux.ibm.com>
Cc: linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
 kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Andrew Jones <ajones@...tanamicro.com>,
 James Houghton <jthoughton@...gle.com>,
 Muhammad Usama Anjum <usama.anjum@...labora.com>
Subject: Re: [PATCH v4 00/16] KVM: selftests: "tree" wide overhauls

On 12/19/24 03:00, Sean Christopherson wrote:
> On Wed, Dec 18, 2024, Sean Christopherson wrote:
>> On Wed, Dec 18, 2024, Sean Christopherson wrote:
>>> On Wed, 27 Nov 2024 16:55:31 -0800, Sean Christopherson wrote:
>>>> Two separate series (mmu_stress_test[1] and $ARCH[2]), posted as one to
>>>> avoid unpleasant conflicts, and because I hope to land both in kvm/next
>>>> shortly after 6.12-rc1 since they impact all of KVM selftests.
>>>>
>>>> mmu_stress_test
>>>> ---------------
>>>> Convert the max_guest_memory_test into a more generic mmu_stress_test.
>>>> The basic gist of the "conversion" is to have the test do mprotect() on
>>>> guest memory while vCPUs are accessing said memory, e.g. to verify KVM
>>>> and mmu_notifiers are working as intended.
>>>>
>>>> [...]
>>>
>>> As I am running out of time before I disappear for two weeks, applied to:
>>>
>>>     https://github.com/kvm-x86/linux.git selftests_arch
>>>
>>> Other KVM maintainers, that branch is officially immutable.  I also pushed a tag,
>>> kvm-selftests-arch-6.14, just in case I pull a stupid and manage to clobber the
>>> branch.  My apologies if this causes pain.  AFAICT, there aren't any queued or
>>> in-flight patches that git's rename magic can't automatically handle, so hopefully
>>> this ends up being pain-free.
>>>
>>> Paolo, here's a pull request if you want to pull this into kvm/next long before
>>> the 6.14 merge window.  Diff stats at the very bottom (hilariously long).
Pulled, thanks.

Paolo