From nobody Wed Dec 31 04:50:29 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25555C4332F for ; Tue, 7 Nov 2023 18:22:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344030AbjKGSWG (ORCPT ); Tue, 7 Nov 2023 13:22:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234905AbjKGSWE (ORCPT ); Tue, 7 Nov 2023 13:22:04 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 551EA183 for ; Tue, 7 Nov 2023 10:22:02 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-d9cb79eb417so5985303276.2 for ; Tue, 07 Nov 2023 10:22:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1699381321; x=1699986121; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=pF19+OXVW5UGsHvBJEM1Rd3K8EFj2d9Zm0BTvFFwkOQ=; b=iDLrIUwp0Ijph4F3Az7lVjSHowRY4OUyYh2DU1g+ztoDpy3vYqHsAopDKg6Iz5AY/Q 1ixMOCTp18Cwu8LkaawJyZThs6812KUqudT3jwQkb+xtOXx0F1msW0veZ9exnGI5E7iW 5MiTZ8lvNH4aUqff85s9DNsZLrEvGayqZYKJlnuxGLnswPh52gxSSWSFvPSAfncMHpnI NVAboraXOtYGpuAVuvJKW0Fyb30VVN537ocaXmvdw+kdYRdOxteQkltsFnokIIa4Xko+ VwvPorGoCJ/mZnt8eVonKO/PP2oQIiFYQJnNoB6RI4jCnV4e6p4MmF4z1kjkxS99YCro 1kgA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699381321; x=1699986121; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pF19+OXVW5UGsHvBJEM1Rd3K8EFj2d9Zm0BTvFFwkOQ=; b=vnzFaDU2OL8q0Syz28xid6TFlLb+ZmjJW88FN98eg4v+o+7hAvobLxx1A5e2lS01Vj KItO2R6KBYOMSVvvy1Po6aLRzhavjkKKjBdgKe/lBxjLid6BoWzkYnzDIXwHr6qIs3hL cYlzEhjvcuCajBz0KCpx/nlFtdlhXKB+B12FKgpe8kS+qTT5zpbzDrYPlxtT55FwzJ1J QZF67MWWLjR2Z7Y43bh8KPiixcCS+hYpj092YiiVUmr2Gt0TncMnIT8WGXzjeUisNpIz oq7UbdPBVIGTeP66GyvjEj0aoftN37c5csjYbuX8DWlmK4FuLVdBGIxbCrUaWWNTCIRO fbZA== X-Gm-Message-State: AOJu0YwIGgJCTFAbjl/QVhtuujwxvDYE9aZAidY4uFfi5Gw1+BatQhdN edJZkquPZBKenZDBiyMXV+kCeEwEvwU= X-Google-Smtp-Source: AGHT+IEDf6RUwUXmKQRccOF/Lx6Rlskhqqt2UmcBCDHA+7KXiu9sCsGdSay6ypnVQLil31O2Iq9zsbVpkVM= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a5b:9d2:0:b0:d9a:bce6:acf3 with SMTP id y18-20020a5b09d2000000b00d9abce6acf3mr672242ybq.0.1699381321569; Tue, 07 Nov 2023 10:22:01 -0800 (PST) Reply-To: Sean Christopherson Date: Tue, 7 Nov 2023 10:21:59 -0800 Mime-Version: 1.0 X-Mailer: git-send-email 2.42.0.869.gea05f2083d-goog Message-ID: <20231107182159.404770-1-seanjc@google.com> Subject: [PATCH] KVM: selftests: Fix MWAIT error message when guest assertion fails From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Print out the test and vector as intended when a guest assert fails an assertion regarding MONITOR/MWAIT faulting. Unfortunately, the guest printf support doesn't detect such issues at compile-time, so the bug manifests as a confusing error message, e.g. in the most confusing case, the test complains that it got vector "0" instead of expected vector "0". Fixes: 0f52e4aaa614 ("KVM: selftests: Convert the MONITOR/MWAIT test to use= printf guest asserts") Signed-off-by: Sean Christopherson Reviewed-by: Maxim Levitsky --- tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c b/tool= s/testing/selftests/kvm/x86_64/monitor_mwait_test.c index 80aa3d8b18f8..853802641e1e 100644 --- a/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c +++ b/tools/testing/selftests/kvm/x86_64/monitor_mwait_test.c @@ -27,10 +27,12 @@ do { \ \ if (fault_wanted) \ __GUEST_ASSERT((vector) =3D=3D UD_VECTOR, \ - "Expected #UD on " insn " for testcase '0x%x', got '0x%x'", vect= or); \ + "Expected #UD on " insn " for testcase '0x%x', got '0x%x'", \ + testcase, vector); \ else \ __GUEST_ASSERT(!(vector), \ - "Expected success on " insn " for testcase '0x%x', got '0x%x'", = vector); \ + "Expected success on " insn " for testcase '0x%x', got '0x%x'", \ + testcase, vector); \ } while (0) =20 static void guest_monitor_wait(int testcase) base-commit: 45b890f7689eb0aba454fc5831d2d79763781677 --=20 2.42.0.869.gea05f2083d-goog