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 BD1073DBD74; Tue, 28 Apr 2026 23:25:21 +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=1777418721; cv=none; b=JYkMOP6U/T93G1tR1oOLDCpOuYUn/nwulxGah7pOXdLVMPiqP+dLlHG3KyF2VJwyoKY+5XX8Tmv0sUwrszaMCNctqath+nKS1ob7UhbYBBp5J6Rx73bw/ncXBHdgSSKf7L3tcUCwALDm/DnOoyN6hbxSY/D4DvsBGy39lBm2M84= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777418721; c=relaxed/simple; bh=1pO/RwNh5wQk+ZD1fBh8GeZ3xS7KCNyMnhgrVWmKjmA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hl6BiIOVZJoI0i/41xq1LU2/NNm3z+SliHcwTKGknH0hI2J9yirRYzgP3zOSn1tb30wNPqQvFSgdPqv8hGOpC18FZfraeRd9hiEaoTxMdioxWWHntq2pJpsqDFdd/ZigS5VQ0BvdG4DugxjB6IzFpctacxdP2kCmrx/26P7yPXY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lJ8G/bxG; 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="lJ8G/bxG" Received: by smtp.kernel.org (Postfix) with ESMTPS id A1828C2BCFA; Tue, 28 Apr 2026 23:25:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777418721; bh=1pO/RwNh5wQk+ZD1fBh8GeZ3xS7KCNyMnhgrVWmKjmA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=lJ8G/bxGMXtsy6qw6slVl66aTE5rar9RS9YRdS+nkDhAJz9lR464fV7FoVhKj7fvV wva1Domejffnb8zLs+JXEPfyTN8bv+XCF/eYrTtjSjaNXvw4tIlEOCwHhC2E6faDAw MSR9ETiv/D8nQK8wm000gzKkjFQnMhs5rYdWoiWCDNe79O3WyWs9iR7O+gocpqQkEg oyQ1WxK0RsU+1+JScpNgw+h1jGtOoodTMG+vDuVHUJPFqT1tBzCqdMAHJ2a8WmFn7m IGEwGrs82VDZB7KpCicPSxXqeqcbWhLVM4LEr40MHLxEMV+ppsWkRT67glQbP1qhel iLG6lwTQEyVzg== 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 97965CCF9E3; Tue, 28 Apr 2026 23:25:21 +0000 (UTC) From: Ackerley Tng via B4 Relay Date: Tue, 28 Apr 2026 16:25:47 -0700 Subject: [PATCH RFC v5 52/53] KVM: selftests: Update pre-fault test to work with per-guest_memfd attributes Precedence: bulk X-Mailing-List: linux-trace-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: <20260428-gmem-inplace-conversion-v5-52-d8608ccfca22@google.com> References: <20260428-gmem-inplace-conversion-v5-0-d8608ccfca22@google.com> In-Reply-To: <20260428-gmem-inplace-conversion-v5-0-d8608ccfca22@google.com> To: aik@amd.com, andrew.jones@linux.dev, binbin.wu@linux.intel.com, brauner@kernel.org, chao.p.peng@linux.intel.com, david@kernel.org, ira.weiny@intel.com, jmattson@google.com, jthoughton@google.com, michael.roth@amd.com, oupton@kernel.org, pankaj.gupta@amd.com, qperret@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, shivankg@amd.com, steven.price@arm.com, tabba@google.com, willy@infradead.org, wyihan@google.com, yan.y.zhao@intel.com, forkloop@google.com, pratyush@kernel.org, suzuki.poulose@arm.com, aneesh.kumar@kernel.org, Paolo Bonzini , Sean Christopherson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jonathan Corbet , Shuah Khan , Shuah Khan , Vishal Annapurve , Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Youngjun Park , Qi Zheng , Shakeel Butt , Kiryl Shutsemau , Jason Gunthorpe , Vlastimil Babka Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, Ackerley Tng X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1777418714; l=1278; i=ackerleytng@google.com; s=20260225; h=from:subject:message-id; bh=KB4IvfKWRwfFkGKiLiHfBqqzvyesxU1uqyWNUwL9kS0=; b=VVjhgfPquk64xczj3ZQLm8Vp5HQ7/Qfqw5eSlPrR4TxDyAPdMjJw7EUrKTN/v8GzsZdZ0LfEq mlypjrBZuRIAFMpNquDNHC/yzj95hd4pTNKOE17WZgH6fbVQ0n2fESs 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: Sean Christopherson Skip setting memory to private in the pre-fault memory test when using per-gmem memory attributes, as memory is initialized to private by default for guest_memfd, and using vm_mem_set_private() on a guest_memfd instance requires creating guest_memfd with GUEST_MEMFD_FLAG_MMAP (which is totally doable, but would need to be conditional and is ultimately unnecessary). Signed-off-by: Sean Christopherson Signed-off-by: Ackerley Tng --- tools/testing/selftests/kvm/pre_fault_memory_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/pre_fault_memory_test.c b/tools/testing/selftests/kvm/pre_fault_memory_test.c index 9d16a277696ce..742bbbca9deea 100644 --- a/tools/testing/selftests/kvm/pre_fault_memory_test.c +++ b/tools/testing/selftests/kvm/pre_fault_memory_test.c @@ -183,7 +183,7 @@ static void __test_pre_fault_memory(unsigned long vm_type, bool private) TEST_NPAGES, private ? KVM_MEM_GUEST_MEMFD : 0); virt_map(vm, gva, gpa, TEST_NPAGES); - if (private) + if (!kvm_has_gmem_attributes && private) vm_mem_set_private(vm, gpa, TEST_SIZE, 0); pre_fault_memory(vcpu, gpa, 0, SZ_2M, 0, private); -- 2.54.0.545.g6539524ca2-goog