From: Sean Christopherson <seanjc@google.com>
To: Josh Hilke <jrhilke@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
David Matlack <dmatlack@google.com>,
Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [PATCH v5 00/21] KVM: selftests: Link with VFIO selftests lib and test device interrupts
Date: Thu, 4 Jun 2026 13:22:03 -0700 [thread overview]
Message-ID: <aiHea0e1ntOKfdbO@google.com> (raw)
In-Reply-To: <20260604020143.748245-1-jrhilke@google.com>
On Thu, Jun 04, 2026, Josh Hilke wrote:
> This is v5 of a series which introduces tools/testing/selftests/kvm/irq_test.c
> in KVM selftests. This test exercises the delivery of interrupts (both
> emulated via eventfd and real from a VFIO device) to guest vCPUs. Beyond basic
> injection, the series adds coverage for several complex scenarios, including:
> - Dynamic updates to KVM's GSI routing table while interrupts are active.
> - Waking up halted vCPUs via interrupts.
> - Stressing interrupt delivery during random host IRQ affinity changes.
> - Stressing interrupt delivery during random vCPU thread migration across
> physical CPUs.
> - Testing non-postable interrupt remapping (using NMIs to force transitions).
> - Supporting both xAPIC and x2APIC modes in the guest.
>
> The series also links the VFIO selftests library into KVM selftests to enable
> testing of VFIO-KVM interactions.
Lots of comments and changes. I'll send a v6 (maybe later today, but probably
tomorrow). I have all the changes made locally, and the test is passing for me.
prev parent reply other threads:[~2026-06-04 20:22 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-04 2:01 [PATCH v5 00/21] KVM: selftests: Link with VFIO selftests lib and test device interrupts Josh Hilke
2026-06-04 2:01 ` [PATCH v5 01/21] KVM: selftests: Build and link selftests/vfio/lib into KVM selftests Josh Hilke
2026-06-04 2:01 ` [PATCH v5 02/21] KVM: selftests: Add guest read/write macros Josh Hilke
2026-06-04 2:01 ` [PATCH v5 03/21] KVM: selftests: Rename guest_rng to kvm_rng Josh Hilke
2026-06-04 2:01 ` [PATCH v5 04/21] KVM: selftests: Add helper to generate random u64 in range [min,max] Josh Hilke
2026-06-04 2:01 ` [PATCH v5 05/21] KVM: selftests: Add IRQ injection test Josh Hilke
2026-06-04 16:19 ` Sean Christopherson
2026-06-04 16:26 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 06/21] KVM: selftests: Add helper to get host IRQ from device MSIX for IRQ bypass test Josh Hilke
2026-06-04 2:01 ` [PATCH v5 07/21] KVM: selftests: Verify IRQ bypass works in IRQ test Josh Hilke
2026-06-04 16:22 ` Sean Christopherson
2026-06-04 17:56 ` Sean Christopherson
2026-06-04 19:25 ` Sean Christopherson
2026-06-04 19:52 ` Sean Christopherson
2026-06-04 23:14 ` Sean Christopherson
2026-06-04 23:35 ` David Matlack
2026-06-04 2:01 ` [PATCH v5 08/21] KVM: selftests: Add helpers to write proc IRQ affinity for " Josh Hilke
2026-06-04 19:35 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 09/21] KVM: selftests: Add helpers to print " Josh Hilke
2026-06-04 2:01 ` [PATCH v5 10/21] KVM: selftests: Verify interrupts are received when IRQ affinity changes in " Josh Hilke
2026-06-04 2:01 ` [PATCH v5 11/21] KVM: selftests: Verify IRQs wake up halted vCPUs " Josh Hilke
2026-06-04 2:01 ` [PATCH v5 12/21] KVM: selftests: Verify interrupts are received after modifying IRQ routes " Josh Hilke
2026-06-04 17:22 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 13/21] KVM: selftests: Make number of IRQs configurable " Josh Hilke
2026-06-04 17:35 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 14/21] KVM: selftests: Verify non-postable IRQ remapping " Josh Hilke
2026-06-04 17:22 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 15/21] KVM: selftests: Add kvm_gettid() wrapper and convert users Josh Hilke
2026-06-04 2:01 ` [PATCH v5 16/21] KVM: selftests: Add kvm_sched_getaffinity() " Josh Hilke
2026-06-04 17:23 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 17/21] KVM: selftests: Add pin_task_to_random_cpu() helper function for IRQ test Josh Hilke
2026-06-04 2:01 ` [PATCH v5 18/21] KVM: selftests: Verify vCPU migration during IRQ delivery in " Josh Hilke
2026-06-04 17:27 ` Sean Christopherson
2026-06-04 2:01 ` [PATCH v5 19/21] KVM: selftests: Print vCPU affinity on timeout during " Josh Hilke
2026-06-04 2:01 ` [PATCH v5 20/21] KVM: selftests: Make number of vCPUs configurable in " Josh Hilke
2026-06-04 2:01 ` [PATCH v5 21/21] KVM: selftests: Add xAPIC support " Josh Hilke
2026-06-04 20:22 ` Sean Christopherson [this message]
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