From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1F3641DDF7 for ; Tue, 14 Jul 2026 19:28:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784057320; cv=none; b=lJVeZFM0FdQAQSSIzBlu6hhFm4WNwsjK/z31CkBKacAJdDPLsE7vDv10O7pcTBlUZLkI4L6kjl8sBK2tDrVA6e3WnPEc3HQjZWRgMPLz4LyovbHCN/MNWMTuF61mR0BdgUIjP1O3qp9BgKreFmDueSaaG3NszwBp1IRdZgqceD4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784057320; c=relaxed/simple; bh=omY+XeqIxQR3XGclZjHyVvEQfVAPStHcPBHt1VCngx4=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=o6oaTMNsw1BLCsZgdO0Crq4smFC0ZMawH/Y6a48kJ0kiqaNiq7/FkYcuwcIrnJd16t0rATOxvyk8K4npDPf/ullpGTdEne2vQCBGIXHK1tzand/O8M+mOGWyQdW9MoM5q0mTC9/7Qlypw5vnRn7WHLCyvkNE7M1xg3UO9aU4uSU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=g1lSkbFc; arc=none smtp.client-ip=209.85.210.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="g1lSkbFc" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-848568a6f62so8260753b3a.0 for ; Tue, 14 Jul 2026 12:28:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1784057319; x=1784662119; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=EBGhEX4vBKM8MPYzbmWcF5BLvWSJh5ejL+Gu8q+yPyk=; b=g1lSkbFcJNQ6HlD/3Yltp9dv0Wa2D7EMGSi7ecWK8oe7QkSzMvbtwd7qLKK8Bmnnkv xp+EGQh8exazxWGvA4+fZDy/JliRhOPWZyeWw3egxvJv01188yVNpTfuPbuLyraqLHm5 07fVKi0updbVh9xcyAstRCbyZtMsjyo3W58ANYzVMLYHd9d03ZLVB+oiJtbW0RAT3sDz ErfnxM92n3G6f4gyw1UbIPtqY5/BNOwCvUT9rdM4T30SxHxERNVI6GB7N0M3iUfrU8U+ /7073z8MYpzxLIDI0nLDC3RDw+81znE14Tpipm2dhMaNsoDgDRWfN4XTKfeYHCo0zR36 fERQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1784057319; x=1784662119; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=EBGhEX4vBKM8MPYzbmWcF5BLvWSJh5ejL+Gu8q+yPyk=; b=gbEzMyP6Nb1Gh5SK+lr716Gjz+5UUDYXig3cahQSVy/CmNmqzC5H6+FqGuje0jJVGz g36HU4vi8kh7oNJpIgDPin4ofIz8owsBswKnsaLfyvbYbUSnvEfta4vn2i1nEoo5BADG bste51iF3vqEnP8X/uFLnjv0Tz/gGwSKQwGxXuP59h2PRwYnuX5cdjHC3qg1AERThqWo t6pGSG2/9iHOWecTBq1eRGNP77GvPetb2wysqRG3Tuy+6Mj73SkMAU/uobbcjDgVBVtc HV2RDWfwWBAQXgRym/gZxtUKh/TKFs3a0TJfzQMSfO+fab/FfBFSqRqaVB9+Ntdz3CJm IGug== X-Forwarded-Encrypted: i=1; AHgh+RovXIWj9yYqJRxI7q6LnnPMeZCoW7Adu+oR1Ub9ViagQ1tGrq0LZbEJTWmzHcoygTNqqT5arMClhREyvAQ=@vger.kernel.org X-Gm-Message-State: AOJu0YzVfJvuMIFyHcbOpK8P/ZuvK8x/mgNo53evl83clSlR/JBtAR44 0OaHrkHyIzyXh7euqcAjGQuOegkWUEklYCA3X74Tl34ekAPElGyYy3e9UyYZzt90eYwKff6umKE s0j9jew== X-Received: from pfbfo5.prod.google.com ([2002:a05:6a00:6005:b0:848:40f5:a538]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:c95:b0:848:3fe2:c88b with SMTP id d2e1a72fcca58-84a554fa556mr3829342b3a.6.1784057318776; Tue, 14 Jul 2026 12:28:38 -0700 (PDT) Date: Tue, 14 Jul 2026 11:41:17 -0700 In-Reply-To: <20260626213534.3866178-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260626213534.3866178-1-seanjc@google.com> X-Mailer: git-send-email 2.55.0.141.g00534a21ce-goog Message-ID: <178405411600.3133617.3225227983277758474.b4-ty@google.com> Subject: Re: [PATCH v8 00/20] KVM: selftests: Add eventfd+VFIO IRQ test From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini , Marc Zyngier , Oliver Upton Cc: Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, David Matlack , Josh Hilke Content-Type: text/plain; charset="utf-8" On Fri, 26 Jun 2026 14:35:13 -0700, Sean Christopherson wrote: > David and Josh's series to add a selftest for verifying interrupt delivery > via eventfd (via KVM_IRQFD), and also from a real device, wired up via VFIO. > > Gory details in the patches, and in the v5 cover letter. > > v8: > - Explicitly include . [Sashiko] > - Use iova_allocator instea of hardcoding the IOVA. [Sashiko, David] > - Add a comment explaining why DMA needs to be allocated. [David] > - Probe /dev/vfio/vfio, not /dev/vfio. [Sashiko, David] > > [...] Applied to kvm-x86 irq_test, thanks! [01/20] KVM: selftests: Build and link selftests/vfio/lib into KVM selftests https://github.com/kvm-x86/linux/commit/a262fc49e0aa [02/20] KVM: selftests: Add macros to read/write+sync to/from guest memory https://github.com/kvm-x86/linux/commit/ac050f2adcdf [03/20] KVM: selftests: Rename guest_rng to kvm_rng https://github.com/kvm-x86/linux/commit/e0bd29eddf7e [04/20] KVM: selftests: Initialize the default/global pRNG during kvm_selftest_init() https://github.com/kvm-x86/linux/commit/bae85cd758fe [05/20] KVM: selftests: Seed libc's RNG before using it to generate a seed for KVM's pRNG https://github.com/kvm-x86/linux/commit/5506feb24282 [06/20] KVM: selftests: Add helper to generate random u64 in range [min,max] https://github.com/kvm-x86/linux/commit/c772591d279e [07/20] KVM: selftests: Add an irqfd send+receive (and later IRQ bypass) test https://github.com/kvm-x86/linux/commit/3ceab37ac973 [08/20] KVM: selftests: Add helper to get host IRQ from device MSI-X for IRQ bypass test https://github.com/kvm-x86/linux/commit/362cc0016249 [09/20] KVM: selftests: Add VFIO device support to eventfd IRQ test https://github.com/kvm-x86/linux/commit/3902e8b02dce [10/20] KVM: selftests: Add a helper to set proc IRQ affinity for IRQ test https://github.com/kvm-x86/linux/commit/380b0e5e0e30 [11/20] KVM: selftests: Verify interrupts are received when IRQ affinity changes in IRQ test https://github.com/kvm-x86/linux/commit/197b0cd9ac66 [12/20] KVM: selftests: Add option to set empty routing between IRQs in eventfd IRQ test https://github.com/kvm-x86/linux/commit/ec333e3ace25 [13/20] KVM: selftests: Make number of IRQs configurable in IRQ test https://github.com/kvm-x86/linux/commit/38950af64a1c [14/20] KVM: selftests: Verify non-postable IRQ remapping in IRQ test https://github.com/kvm-x86/linux/commit/25e268b76e77 [15/20] KVM: selftests: Add kvm_gettid() wrapper and convert users https://github.com/kvm-x86/linux/commit/4512b2776631 [16/20] KVM: selftests: Add kvm_sched_getaffinity() wrapper and convert users https://github.com/kvm-x86/linux/commit/76703ca0cbab [17/20] KVM: selftests: Add a utility to pin a task to a random CPU, given a CPU set https://github.com/kvm-x86/linux/commit/26fd1fb4737a [18/20] KVM: selftests: Verify vCPU migration during IRQ delivery in IRQ test https://github.com/kvm-x86/linux/commit/6b9470baea6c [19/20] KVM: selftests: Make number of vCPUs configurable in IRQ test https://github.com/kvm-x86/linux/commit/0315713a1938 [20/20] KVM: selftests: Add xAPIC support in eventfd IRQ test https://github.com/kvm-x86/linux/commit/2708ecca4dbd -- https://github.com/kvm-x86/linux/tree/next