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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w2-20020a17090a8a0200b0023111ee967dsi1038076pjn.186.2023.03.10.17.23.04; Fri, 10 Mar 2023 17:23:18 -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=XRPIim0w; 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 S230494AbjCKArp (ORCPT + 99 others); Fri, 10 Mar 2023 19:47:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37832 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230474AbjCKArI (ORCPT ); Fri, 10 Mar 2023 19:47:08 -0500 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADB3713EB9E for ; Fri, 10 Mar 2023 16:46:41 -0800 (PST) Received: by mail-pl1-x64a.google.com with SMTP id iy17-20020a170903131100b0019ce046d8f3so3681386plb.23 for ; Fri, 10 Mar 2023 16:46:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1678495601; 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=yxirUIJ6f39Vff0ZETvGTfQiZcgxHh0oGFGaX9tsDZI=; b=XRPIim0wWTGV2xd60uJ0P6WuxE3MZzQxEFfMCa70jMiRJwRNB3XbYFH9QKNEBCIY1Z BnhJ1KDO89oWDnsd0TgJG8YFNllKSs5pHdzellm6llcJsDQUXYLXQhJXIrbdf+6hJF2w rQlUX74nH01pIXP1o7EmssYmiotFtk8bK+oHRcV78jgCmvHdIVyQjp6SzGiaR4kBzoMZ GNo6/2uqcUZgNWKPY13oV5XmU6cvsmBydi/zMtfPM+2m1ZO7yOzJcDbH8REarYrpoW9a y9BMdra+O4x92LPA2seTeXSE0c/YeYP5RvRVk6jn5IyEs2x2awfWu1J6q+20GpLJmUKm jnoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678495601; 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=yxirUIJ6f39Vff0ZETvGTfQiZcgxHh0oGFGaX9tsDZI=; b=kkDWvEipYWYLulX9p9t4Rp7+HM++0bOVJ91VSUoZQi2Wjs3hcLvbggGrfcNDRIMRal NTZbQ0m1QSmVCIhRQLvXze5E3mpGq8iI//6iDd5LH82A6mweDTcxfWxf5X0urlV2oS8V sbdWYrea4g0lPLOPSp/Emq3l1Z6qEx2Eh6HrA1+HZK6nUS/gffAtdrd1DMEij9XtZ0r+ IS1JBElZ+AVYjVxiickha2KtDMTqVVNmXaTwtTvsY1SIw8nhytBGZLSkKtA4VmpnkC8/ q0+LksxXGE3+NvtCEsHuB95Vo5NpUUrA17fia2y24CFYfqsb3XxEd4Y7ttaN77Llg4HB sDDA== X-Gm-Message-State: AO0yUKX1EthwsS7vUgWKEyrqfe6GTS51HaGcPUm0OkuL5yQSh4hdu9Ql m5+KRV+0mdU+KOEQSVp8pWJ+VgZDSl8= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a63:9319:0:b0:503:7bdf:df4b with SMTP id b25-20020a639319000000b005037bdfdf4bmr9772662pge.3.1678495600955; Fri, 10 Mar 2023 16:46:40 -0800 (PST) Reply-To: Sean Christopherson Date: Fri, 10 Mar 2023 16:46:07 -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: <20230311004618.920745-11-seanjc@google.com> Subject: [PATCH v3 10/21] KVM: selftests: Assert that full-width PMC writes are supported if PDCM=1 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=ham 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?1760032507200650721?= X-GMAIL-MSGID: =?utf-8?q?1760032507200650721?= KVM emulates full-width PMC writes in software, assert that KVM reports full-width writes as supported if PERF_CAPABILITIES is supported. Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/x86_64/vmx_pmu_caps_test.c | 3 +++ 1 file changed, 3 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 c3b0738e361b..035470b38400 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 @@ -110,6 +110,9 @@ int main(int argc, char *argv[]) host_cap.capabilities = kvm_get_feature_msr(MSR_IA32_PERF_CAPABILITIES); host_cap.capabilities &= (PMU_CAP_FW_WRITES | PMU_CAP_LBR_FMT); + TEST_ASSERT(host_cap.full_width_write, + "Full-width writes should always be supported"); + test_basic_perf_capabilities(host_cap); test_fungible_perf_capabilities(host_cap); test_immutable_perf_capabilities(host_cap);