From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f46.google.com (mail-pj1-f46.google.com [209.85.216.46]) (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 862AE3D3CE5 for ; Fri, 14 Aug 2026 20:20:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786738854; cv=none; b=pIvsHbZ63PcWH1+0jNOJ8gaxGaXrcOUpmMcW3QdgtM/ft+M6mvb2sjc9gnXrXTyu1cP6kI7gDTMypJBBm529q5Qf36PiAbqB13thWi7Du3BUiLWvP7v9VIhzsK5/UzZfRuBfPFwns2arMf/HsogDjtKgjJ45WYZ+V1iGK+8aN8A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786738854; c=relaxed/simple; bh=gyt8s4Y+gLjv5xtRYpGnDkIk763rIztTA2DkN29pPxM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IAPhAAXEpytcJqqCMxF2N/wyr42RCe9Jwn9ztqtE9AXtOHKdmUdTJf2XG+J/aPhJOSl2xyGzP1m0Cx9BTTCAVkMxn6bsAN7yQyTaY3NJTUe2BcE8V/fBkz8y3NXBHrVX+9CZ6ZvfuwPZP3nAcQrf0oQK1MKbuO4RmS5rt1FsUoM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=hhhZbvaf; arc=none smtp.client-ip=209.85.216.46 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=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="hhhZbvaf" Received: by mail-pj1-f46.google.com with SMTP id 98e67ed59e1d1-38e88b60121so1198480a91.3 for ; Fri, 14 Aug 2026 13:20:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1786738850; x=1787343650; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=puXmlvfWiCOwM99mGRYuFubsmW3ob3fGY85iw9VPwME=; b=hhhZbvafk44Uh5rB2FmTSDVOuicyhvnNiEvhnkogPqxWhrA8+X/M6g+ZgD17dfk16b 6DooVhwwxeEgcFEOVLFg/qaGkPRjB5Qgx4XBrvXUA8ps3Mg93TnrtYKKhNBMuev1N+fU 6alEkyM3rHpGME87HjVsP1o/9JaArky+e0pXAVBikyE4Vv6BzTGpCZ0780PMQBHN764u ciSiYjHU2Gk2dt/4mPYwR1EHboCIK1+e0fvHQLNZuNJEbj9ewZF7CSnbGfeCUaLaLb// 5jiDqgM4D9TihT/ZFuifRur1j3efq5QkrBkO7XmXl2jPovo8+TpaqCujt00mA1bMb6+j bGpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786738850; x=1787343650; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=puXmlvfWiCOwM99mGRYuFubsmW3ob3fGY85iw9VPwME=; b=G/swIURkC5oKgdv4LpnO4as6WF2ehN4BfjD35FgQWgCd/PKtDryGT2uB1i7GZjUhxd daflsyoxW5ETxCASi6xvARpHDTZ0ykQDxsKX6Un2EreSLAE/A90wpYBdBdaBcxN82T/3 7wSmPniLO+FeMtqEGgDjfqfTOQ0gT7VlwXtKnJkCG3lviz/jwx1Aq/2vfSr4xLFk+gwE yrRZHg+hzSwhgvC9xyj1AWvspZJ6Me+togP/AGOSIvW/Xa8IG5SYs07f5wEfjHWOrYBD k+ON+ymtOb6Os1bIgzksSiAOQ6WNSql1tWfW5/lrTjnh+Rl4hr5mNOoNwV3wUrlXH2AK 0KQg== X-Gm-Message-State: AOJu0Yyh915JzbZLaDLNL7C7QI9nVJE+AkDXEbMiH6P1PWK9ktqT1bHL ZycRgiQGYAnVgnByTkW6Zchu7R4QwYqXvsa3sbp8vkUiSNzx9dmOuMt9qgn1Ox3wIA== X-Gm-Gg: AR+sD12buuHJjoksyT1QUYUmc5rB33eTub97LmwVECKYBrob5kEISonJRAuLD22A7+L OZHURANMops7PYK1eTgajK6GXTilhkU7AnbAeOqbWUab9HiEGwoCvJ5CMwjjkFwAEfPcByBYPe6 fvVrxQH/EfoVpu0ZUKIWmiweIHZRZTBCKa3FLedRZYc+/iVmksUsBB9gVA6bXKX6Kf52XCIYAj8 +x7zqiDbrMfzq4oSi25Yn+EFDGZPX41UwEl0yTyun6vGpw+1jf8g4sJGcyWcaTCDbuToFNcULx0 RNPv9ikiwZs3nOfsjFLV65ypIRZV/6+5kUdEiri85POonOAetbWrBcjRXPoMwP1JaVLS+w2avB2 DK81qbwpGo3ya6hVRRgltW0kM8cryRSohvO84CBhnpT1RNOu3ppsVAmtEeMd/ghSLDtyUiSW1Sw w8ntdXdbGwX3UU8HKbuBmhKAtd7xioRiGxIoBX9wHtWXaEl7py14cZn6HKcRvR0OFuR3a2h6Rfs iWhQgUVSJ0tf5i1Yy2RyaQFb8K1XQ== X-Received: by 2002:a17:90b:1806:b0:38d:e0c4:c955 with SMTP id 98e67ed59e1d1-3933b8c918bmr9338176a91.15.1786738849773; Fri, 14 Aug 2026 13:20:49 -0700 (PDT) Received: from google.com (132.200.185.35.bc.googleusercontent.com. [35.185.200.132]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-394ebbcc34csm3876781a91.15.2026.08.14.13.20.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Aug 2026 13:20:48 -0700 (PDT) Date: Fri, 14 Aug 2026 20:20:45 +0000 From: David Matlack To: Aaron Lewis Cc: kvm@vger.kernel.org, alex@shazbot.org, jgg@nvidia.com Subject: Re: [PATCH v2 1/4] vfio: selftests: Assert the region was unmapped in iommu_unmap() Message-ID: References: <20260804165748.1060476-1-aaronlewis@google.com> <20260804165748.1060476-2-aaronlewis@google.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260804165748.1060476-2-aaronlewis@google.com> On 2026-08-04 04:57 PM, Aaron Lewis wrote: > Add an assertion in iommu_unmap() to verify that the region was fully > unmapped. Centralizing this check simplifies the selftests by removing > the need for individual tests to handle the verification themselves. > > Suggested-by: David Matlack > Signed-off-by: Aaron Lewis Reviewed-by: David Matlack