From nobody Wed Oct 1 21:27:12 2025 Received: from out-176.mta1.migadu.com (out-176.mta1.migadu.com [95.215.58.176]) (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 7D18C3093B2 for ; Wed, 1 Oct 2025 14:58:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.176 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759330731; cv=none; b=utvTR9YN5T3fGcnu7T3sg+3uyXlxmY2iNwgx2PQfitwjS9b7/n9wvSykFVYv5Fmhsr4HTIAMm3LfzGL6IL5Kc164OOjzvG//TYgGezGjZILtjgaHzYpPI+nb1b/4RGr/bMy6E1YvFinUg7UnoKVmlQUQQa0D4pu9UkFkqwoMbwI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759330731; c=relaxed/simple; bh=6SGHwTCW76SAXH2tSGEBWFouR6y2PQD5qeTAYrlPQ58=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tYIFrXqkdI3Pt43QM4KL7HPck0lPgLQEGyGWAZhDUkKzmp7fgQSlpbgAsrtVwyA0VKvy+EuffQfncfpXFXKujpXSn9BKWoiAY0BP1NGYlfWazcbwe/t6HQeGmyI3KhnubnYfXAuil0O7201jA60ah8KG4lbpYCUwfyy8BKIwArM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=PxYdpL8H; arc=none smtp.client-ip=95.215.58.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="PxYdpL8H" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1759330727; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FhGl9Un/NM4vpn3T/c8IJ7g/Ysq6DiXQ9SLpXMtc+aI=; b=PxYdpL8Hwwq+VUp+nIpiOmktruiQuvbM5oIi2D8W8vSFgso+QFCfDFJkeay+wxDNZRROz1 W9dmeQa7iWqNKbvRrTGy+BgQgNIOsTett4r4qvoFqzrmIbpXUmRNqd73WzsyNkBVnB6F3u Jvg0lMbEotnxglC/qfJ2GOPrNbb0DFw= From: Yosry Ahmed To: Sean Christopherson Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Yosry Ahmed , Yosry Ahmed Subject: [PATCH 05/12] KVM: selftests: Remove invalid CR3 test from vmx_tsc_adjust_test Date: Wed, 1 Oct 2025 14:58:09 +0000 Message-ID: <20251001145816.1414855-6-yosry.ahmed@linux.dev> In-Reply-To: <20251001145816.1414855-1-yosry.ahmed@linux.dev> References: <20251001145816.1414855-1-yosry.ahmed@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Yosry Ahmed Checking that VMLAUNCH fails with an invalid CR3 is irrelevant to this test. Remove it to simplify the test a little bit before generalizing it to cover SVM. Signed-off-by: Yosry Ahmed --- tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c b/tools/= testing/selftests/kvm/x86/vmx_tsc_adjust_test.c index 2ceb5c78c4427..2dcc0306a0d9b 100644 --- a/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c +++ b/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c @@ -77,7 +77,6 @@ static void l1_guest_code(struct vmx_pages *vmx_pages) #define L2_GUEST_STACK_SIZE 64 unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE]; uint32_t control; - uintptr_t save_cr3; =20 GUEST_ASSERT(rdtsc() < TSC_ADJUST_VALUE); wrmsr(MSR_IA32_TSC, rdtsc() - TSC_ADJUST_VALUE); @@ -94,15 +93,6 @@ static void l1_guest_code(struct vmx_pages *vmx_pages) vmwrite(CPU_BASED_VM_EXEC_CONTROL, control); vmwrite(TSC_OFFSET, TSC_OFFSET_VALUE); =20 - /* Jump into L2. First, test failure to load guest CR3. */ - save_cr3 =3D vmreadz(GUEST_CR3); - vmwrite(GUEST_CR3, -1ull); - GUEST_ASSERT(!vmlaunch()); - GUEST_ASSERT(vmreadz(VM_EXIT_REASON) =3D=3D - (EXIT_REASON_FAILED_VMENTRY | EXIT_REASON_INVALID_STATE)); - check_ia32_tsc_adjust(-1 * TSC_ADJUST_VALUE); - vmwrite(GUEST_CR3, save_cr3); - GUEST_ASSERT(!vmlaunch()); GUEST_ASSERT(vmreadz(VM_EXIT_REASON) =3D=3D EXIT_REASON_VMCALL); =20 --=20 2.51.0.618.g983fd99d29-goog