From patchwork Sat Mar 11 00:46:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 67921 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp62737wrd; Fri, 10 Mar 2023 17:22:27 -0800 (PST) X-Google-Smtp-Source: AK7set+JLEZn3/2YqATCHfbp1TSOZCNKS+ewwmPO8L8CuSa1fmAySL5PdahpYYN4/lJrrn2p/Gho X-Received: by 2002:a17:90b:4f87:b0:237:30ef:e481 with SMTP id qe7-20020a17090b4f8700b0023730efe481mr27965389pjb.30.1678497747003; Fri, 10 Mar 2023 17:22:27 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1678497746; cv=none; d=google.com; s=arc-20160816; b=QVhqNcX9DJRpuBNG0P4U2WCodPrVt+kFfyXzsXeIzmltZNEnQKbvk3UTCLHFhQODqF 4eVdjtI9tLy3+ErXv8rTwyqDA/B+SzdvL/rDsvz8wexaDDw367FRZt9hfyE3Xx8/RPsm FBUDP/F/gRzvMktLCDA/xHKlVN23vEpC7ko+bcjSiVh352yvNQtYJDoeWw2vpguQ7sCW 4ThdRYnTWV5OE/KVqqVf7HFJMLVWZp9ew/zTdNMzVgJTl2uiUkprkn1WNcvyApaAaALk hFayukPaeOKtSyO0PP14ZhSbAFSthOv5l1e97aqb7KlpKCDbf7F8XJZAThoUtkncwzgJ 007Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:from:subject:message-id:references :mime-version:in-reply-to:date:reply-to:dkim-signature; bh=TM0EcdyR+iQodypxNgMstja1NjDzbXCLluws31y0Y4g=; b=ovHPtDla4loErIBwIuvUXvUrzz0Bb8Ky4tCEawUX088BPX/4CxT3zdtpwbVHxY7iB3 /wh+XsLCLwMc9nzzQkmR7ekzP7Nwt1y6q/H1PI4lBE1iLRbGscpQBrJSA9jG9PgWH7lI T1En0SJYpkjb9I4djxX+4W5oh70tSFRNLO8rczfqEBUA6oS+7rt+4hvR07kI0DAzLrqI c71/K5fHRKo9ihtGXOtr1i/FQEQ+JSNL+MuHvVxRfJ3HpY05ox8RV5zNK9W0BzmZ7uAP +n2NlPOnqWE+KqUd1hzItLFcLhWTmudTck3zY4Tv5bdUAt8jkCmucNsGiqjw3LKAXTkj /Jyw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b=ZBbk159w; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h9-20020a17090ac38900b0022387a1f9a5si1067187pjt.134.2023.03.10.17.22.14; Fri, 10 Mar 2023 17:22:26 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b=ZBbk159w; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231414AbjCKAtR (ORCPT + 99 others); Fri, 10 Mar 2023 19:49:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230021AbjCKAs2 (ORCPT ); Fri, 10 Mar 2023 19:48:28 -0500 Received: from mail-pj1-x1049.google.com (mail-pj1-x1049.google.com [IPv6:2607:f8b0:4864:20::1049]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 08EDF13E0A1 for ; Fri, 10 Mar 2023 16:47:28 -0800 (PST) Received: by mail-pj1-x1049.google.com with SMTP id mm13-20020a17090b358d00b002377ec65e7aso5061268pjb.7 for ; Fri, 10 Mar 2023 16:47:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1678495619; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=TM0EcdyR+iQodypxNgMstja1NjDzbXCLluws31y0Y4g=; b=ZBbk159wt5l6UBv4QH5eTyNTwkgV+nu/eqBcq3NcB0T7RFO2GZtpHZUTjmYUjMH5NW tje2qxq7wXS5nMEPgdA1LytSLK9RAg8l3IKFaf47KMKlQfMJoRAnIMn6I+pI3euB4ZJH a1URbCQyyajHpNEYUBYxqpHZEUKP80ZOcWVxo9EvF459FPRMX2NN22gVpGDUxwNigRif w/Ph0rKREQscznfR3Dw3a/xF2Xly6rwwYYzvkZNUsRaAdCNOKsNYgdkGrI+RWDS3jNsT gla4sR8Zlmh9REIVmirpUBpFrNOrEEwo7qqKx5Y57G54xHqzmkRpSQHPmTpPyt3Q6VKE Qc2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678495619; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=TM0EcdyR+iQodypxNgMstja1NjDzbXCLluws31y0Y4g=; b=aKy6yAhW5zqm2kWKx5nB8+rnJxHI6AgwAbUzyOH75hr5ZqZC4GRw7/PHHbW8ghxGZm 07cDTrdt4bg99rrk2++09HDpjov4cbXPpFGiZjSfOXu9BdEjQ41NjB6Y5MfU1NLqvKZd vayIBTshk0UmEBTYRIDNPbR5TbyJ9CIYJpNjnbOtsXZFip/SegSy1uA7hQKfkk9mJEBC CcTRbOX/ddtE+IaI+m+c8ZfUosaerwaNodvN5UYvebeQStdSL//d9kqgAF0KM40Jg7yO f9dqMUPp0IBwHp+/nXCTFCbavQiMBhJYvkzqZUv20vX6ZzrhdPcKHiylDFArrqIy4n66 dAtw== X-Gm-Message-State: AO0yUKUvQkQFltAWN09WSInjHrsi5FM1VDTIOTFaOmw3XzKOB8uFXyz6 OQu63T0lwE2jHbztVk4MDLrX2cCAb+k= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:90a:69c4:b0:233:bc72:1c69 with SMTP id s62-20020a17090a69c400b00233bc721c69mr9581314pjj.9.1678495619325; Fri, 10 Mar 2023 16:46:59 -0800 (PST) Reply-To: Sean Christopherson Date: Fri, 10 Mar 2023 16:46:17 -0800 In-Reply-To: <20230311004618.920745-1-seanjc@google.com> Mime-Version: 1.0 References: <20230311004618.920745-1-seanjc@google.com> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog Message-ID: <20230311004618.920745-21-seanjc@google.com> Subject: [PATCH v3 20/21] KVM: selftests: Add negative testcase for PEBS format in PERF_CAPABILITIES From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Xiaoyao Li , Like Xu , Yu Zhang X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760032453506406584?= X-GMAIL-MSGID: =?utf-8?q?1760032453506406584?= Expand the immutable features sub-test for PERF_CAPABILITIES to verify KVM rejects any attempt to use a PEBS format other than the host's. Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c b/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c index 38aec88d733b..29aaa0419294 100644 --- a/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c +++ b/tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c @@ -191,6 +191,16 @@ static void test_immutable_perf_capabilities(union perf_capabilities host_cap) val.lbr_format, host_cap.lbr_format); } + /* Ditto for the PEBS format. */ + for (val.pebs_format = 1; val.pebs_format; val.pebs_format++) { + if (val.pebs_format == host_cap.pebs_format) + continue; + + r = _vcpu_set_msr(vcpu, MSR_IA32_PERF_CAPABILITIES, val.capabilities); + TEST_ASSERT(!r, "Bad PEBS FMT = 0x%x didn't fail, host = 0x%x", + val.pebs_format, host_cap.pebs_format); + } + kvm_vm_free(vm); }