From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f201.google.com (mail-yw1-f201.google.com [209.85.128.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B0DA130E5F for ; Wed, 1 May 2024 15:32:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714577545; cv=none; b=XZQo94Zr0cEEfB6bXfZw5f8QH8B/yR+gYc2nhXelZg8DtBQtY4THnC5160S9V2WI5MEzibhnxBOOL9riP44KwZ33b9ep8Afs9SpCdc7XtPHixBYWl3tGsAgpJzSI7BDYAcLI75cEuI+6+SiG8RtTf0xObStRl126tSg7oidlEoc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714577545; c=relaxed/simple; bh=sS/Ds+TGWZJDuajysIcuxrxMIQz9ITXjbTWV1mvqOhU=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=ASdhZcTgGUL7Ej9TYMmZxazoTCQ0GKVhFyczMJb1FU2e8CXOkPhDmwEMhRfF0AqZNaLsf6QLk9mfWkXgkQ1BQVgmzHie2HIIpopPxXltNv0MTHlEmQfZjt4EKxeFiv4ALUHsisKhuw3P4IRlAy8Uv0uuiezLO55vA1shNEIEWf4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=pjfwGqem; arc=none smtp.client-ip=209.85.128.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="pjfwGqem" Received: by mail-yw1-f201.google.com with SMTP id 00721157ae682-61bed763956so36758847b3.3 for ; Wed, 01 May 2024 08:32:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1714577543; x=1715182343; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=QjOVUNbE+n9Mx6ySgekhkLay8zaGJMb1OCzWxZRzbj0=; b=pjfwGqem68w8vrGzx24DrbYK9dHTAe1vg/2XKj6de7OhjATd9CdwWve40mFSeTQvjj EYUVg3IpnxqNN9CyQftY9dNAEjpvKlVEgMxM4xxk+o9HHZBD1LyCZCuOMR8fxkoRyEIZ vpfxIfGkcAc7qfpfaNQWC75HMmoD94YTa/pn2tA85fYEWFNMeQDYlDqqTppeyw1hGOGR MpXnmbFTdBmQSBdBOE4KUIxjHlxX2QdIatuNUZw1myxVCKhOIkrjgl18Bvx18jbBisyR bbZsl/tZ7/bcr/SMcxw69SXnsI+OAZKz6qDHOgMO9YD+uHP+ZNXSi6bGtp/JyCO6e8tS 8QCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714577543; x=1715182343; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=QjOVUNbE+n9Mx6ySgekhkLay8zaGJMb1OCzWxZRzbj0=; b=oRCjdOU8dW4cuQrBqHukAcIOR67Ex2S7oc/717FzPrinxvAFAKKe309/iqXoJW91OC rILvY3WTb6P7rxOJsFfTMr4tib6kYT5DhaYdN29++3Yn3kF4dkbvbWJ5mlPb5KO3pj10 Jh5tobGK+JTbOJELdF/A4geUwdcD6gUVLk0SgdqaL+OmrqCOeeWAwrRIvvh4zctuxkQM bfww24bInM5tv8V3o6aqdeoW4zbhK02Hk8x7rcIrMRVUeauGfMiTNYKiM9MO0fLD6hlF zQh5ipHmTeCSemFZeM//DoLwZNNpQoiRgS/dqOIkX1cZBzEXWHizBFEU3I7aWuynRVau AkCg== X-Gm-Message-State: AOJu0Yyt4pQhzBSIGQe7Iqf2g4M+QwTX86vKN1i/S0aIan4uLz4dj3YQ +/SKHaWcYphMjMiPMj+ex/9Mc7ojW73K/6q+32qYNO9LagBUvwnpVjM7o1FxXAPLZHYW3YnPeVt 4MA== X-Google-Smtp-Source: AGHT+IEUrK9B5li09/DlBkhyeuldaNGLhx1Nwt6nbq7jyGTAM0EY7bW5sKCWTRRGWyyzfmiGvzpaUOoF2C4= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a81:bb45:0:b0:61b:e6d8:1c01 with SMTP id a5-20020a81bb45000000b0061be6d81c01mr733119ywl.10.1714577543025; Wed, 01 May 2024 08:32:23 -0700 (PDT) Date: Wed, 1 May 2024 15:32:21 +0000 In-Reply-To: <20240501152451.4458-1-manali.shukla@amd.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240501152451.4458-1-manali.shukla@amd.com> Message-ID: Subject: Re: [PATCH] KVM: selftest: Add family and model check for zen4 in PMU filter test From: Sean Christopherson To: Manali Shukla Cc: kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, pbonzini@redhat.com, shuah@kernel.org, nikunj@amd.com, thomas.lendacky@amd.com Content-Type: text/plain; charset="us-ascii" On Wed, May 01, 2024, Manali Shukla wrote: > PMU event filter test fails on zen4 architecture because of > unavailability of family and model check for zen4 in use_amd_pmu(). > So, add family and model check for zen4 architecture in use_amd_pmu(). Is there a less ugly way to detect that 0xc2,0 == "branch instructions retired"? E.g. can we instead check for v2 PMU support, or are there no guarantees going forward? Pivoting on FMS is so painful :-(