From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 99CBB33CE80; Sat, 26 Sep 2026 00:50:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790383852; cv=none; b=jh72Oxi3KV110DZLtyzqcHGlN9imcLunYS+50jCCcXNE/jp+EWpvxVrhpYjJ/WuT+wZLRcgPAfoAFYe5+JZMGBp+u6g2PbUbK+K4XUOByFgjaiVkH4dJjdwOMLA0M1H6IlOpx7UfOqsw7JVxfddpX4mc4YdDNG0ee41DNzxBE+A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790383852; c=relaxed/simple; bh=CucdfZJ5/85W8a22Su/Z2GlUAjLT1OZjtxKxL9yuu3E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=l/kdnYLiNA1vdvQPqK5vtHo7u4PHPUcYCN6Urx8pfOZh00CRLJrKfDA4Y/SKCs+NtdFOnEkGsrnDNbBe1Qu+sWvesravtHh3ztwVqZDld+GGOr3Z/28o14kXAoIJKAnoGOtCEZNcoBwW179/+KZCR8kr41DYiJi7WcHJcwYda9g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ne5o860R; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ne5o860R" Received: by smtp.kernel.org (Postfix) with ESMTPS id 7B592C2BD00; Sat, 26 Sep 2026 00:50:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1790383852; bh=CucdfZJ5/85W8a22Su/Z2GlUAjLT1OZjtxKxL9yuu3E=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=ne5o860RKYhFrnwbDUH++4v069HuXzs0E3w1k7y/IyEMOCV4Xi8QBpKUCkFlDd/xI WlV3FIXeEI9cIM+ILxgEzL23nrSB65be6AWlCBrEeMKyfZ3m8XVFmZDQkuQgjmii6S 9YfENZj3n+jExUgPXaFeUWpuUjP+AYaFdMyj41qCny93zxMoNRq40ZMPfbQhDNDMZD QyxUCoNlti6pGNYuyTkhOjEsWzsUz68xsDzZVy/42SMsYu2RtURk1mkS7V+dJQW2a/ LdlHd6DE8ZU4IbwrB62+eRmZlr+5IRsgbGGOr8nXpzWPakdgVuRnHiibn1XorTqLCb RIgPKaN2rJ8YQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 689E6C9830E; Sat, 26 Sep 2026 00:50:52 +0000 (UTC) From: Ackerley Tng via B4 Relay Date: Fri, 25 Sep 2026 17:51:04 -0700 Subject: [PATCH RFC 17/17] KVM: selftests: Document testing TODOs Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260925-gmem-tmpfs-backend-v1-17-d36159822d18@google.com> References: <20260925-gmem-tmpfs-backend-v1-0-d36159822d18@google.com> In-Reply-To: <20260925-gmem-tmpfs-backend-v1-0-d36159822d18@google.com> To: Hugh Dickins , Baolin Wang , Andrew Morton , Sean Christopherson , Paolo Bonzini , David Hildenbrand , Jonathan Corbet , Shuah Khan , Randy Dunlap , Shuah Khan , vannapurve@google.com, erdemaktas@google.com, jxgao@google.com, rientjes@google.com, fvdl@google.com, jthoughton@google.com, tarunsahu@google.com, pratyush@kernel.org, fuad.tabba@linux.dev, Gregory Price , David Woodhouse , yan.y.zhao@intel.com, michael.roth@amd.com, suzuki.poulose@arm.com, Christian Brauner , Jason Gunthorpe , Nicolin Chen , Xu Yilun , aik@amd.com, aneesh.kumar@kernel.org, Vlastimil Babka Cc: kernel-team@android.com, kernel-team@meta.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Ackerley Tng X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1790383850; l=1099; i=ackerleytng@google.com; s=20260225; h=from:subject:message-id; bh=zKFuTq3Amq3TlVl+Ae6LwDfBtexGkdVicUSVbrDs3Rw=; b=D5SgQu2KvK/CN8bmAnbeQJqiDr8hZKAUtYrBjvO7ze+1Wl1dU9raEmcyKScXL3hs51t3QYlt9 k3mic0lnyeeA1v9aJ7kZuFyx/opXA3gFDc8InOKEYvCNEcaPlQDJKRu X-Developer-Key: i=ackerleytng@google.com; a=ed25519; pk=sAZDYXdm6Iz8FHitpHeFlCMXwabodTm7p8/3/8xUxuU= X-Endpoint-Received: by B4 Relay for ackerleytng@google.com/20260225 with auth_id=649 X-Original-From: Ackerley Tng Reply-To: ackerleytng@google.com From: Ackerley Tng Remind myself about all the tests (A)I did not write. Signed-off-by: Ackerley Tng --- tools/testing/selftests/kvm/guest_memfd_test.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c index bf369874f2647..4e5d00df899a6 100644 --- a/tools/testing/selftests/kvm/guest_memfd_test.c +++ b/tools/testing/selftests/kvm/guest_memfd_test.c @@ -721,6 +721,16 @@ static void test_guest_memfd(unsigned long vm_type) test_guest_memfd_flags(vm); + /* + * TODO: Test that guest_memfd creation rejects a read-only tmpfs mount + * (e.g. MOUNT_ATTR_RDONLY) with EROFS. + * + * TODO: Test that guest_memfd creation rejects an ID-mapped tmpfs mount + * (e.g. MOUNT_ATTR_IDMAP) lacking write or execute/search permissions + * with EACCES. + * + * TODO: Test mpol fallback to mount config. + */ test_resource_fd_invalid(vm); test_resource_fd_unsupported_fs(vm); test_resource_fd_tmpfs_file(vm); -- 2.56.0.rc1.315.gc6ed9934b7-goog