From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh-a7-smtp.messagingengine.com (fhigh-a7-smtp.messagingengine.com [103.168.172.158]) (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 CD2C71A256E; Mon, 11 Nov 2024 16:57:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=103.168.172.158 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731344232; cv=none; b=ZVx6Na06b3vBJV6P7cjuq1uAdNjmQHPmtpbns4TJSSRRABLxGnzkQe44ucfu3TzyYkCxT+6JFXbWCGp5FJD0YxZS2T/Myea/iopmhiYP2/5FzhRY4wl3UN0VOHeVgPXcfiMfLvuMuZB8+YKEBsvO58JF2X66ewr0AS/ou5oVHTQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731344232; c=relaxed/simple; bh=iBeofKxtXt/U2EDsL9YNBmEqwLBUdloff3KWlN6Gpqk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ICaH9egJ+xmHOCxgRJFq0UiPgAOJ49CHh8TJF4qdivc/yQX26qR1rz3LxjMMRNHQE+z2DzD0oe+JPDDJtU2B5/OQyz5MNWeerTUeTM+kIFZf29EgSm/wX2aF1Iv6UtftWxrC5mCAGbe/hM4uo9Cwf3v80GRgsW5kctWeWbA9qQM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=joshtriplett.org; spf=pass smtp.mailfrom=joshtriplett.org; dkim=pass (2048-bit key) header.d=joshtriplett.org header.i=@joshtriplett.org header.b=pIpm2nQ/; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=F2PbeZsF; arc=none smtp.client-ip=103.168.172.158 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=joshtriplett.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=joshtriplett.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=joshtriplett.org header.i=@joshtriplett.org header.b="pIpm2nQ/"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="F2PbeZsF" Received: from phl-compute-08.internal (phl-compute-08.phl.internal [10.202.2.48]) by mailfhigh.phl.internal (Postfix) with ESMTP id C0039114019F; Mon, 11 Nov 2024 11:57:08 -0500 (EST) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-08.internal (MEProxy); Mon, 11 Nov 2024 11:57:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= joshtriplett.org; h=cc:cc:content-type:content-type:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1731344228; x=1731430628; bh=63vV/Bi15kbpukbdHEocuq/m8VKOg/ssBshmERhp+Vw=; b= pIpm2nQ/89mfc0LwcH32aGEDvSQWG/EZLnB0ZwLJe1UmP5Ck7VRd3DAerjCaQgqS k8wB4E5XBhCBHfqtfiFekP6hM5LWJTOf25kFx4QFI0GfgoEfg9pbLqLU9Z9z/2v1 cOohNqkuEd7yFwLkeD367Qy9EuO6xfwLw2SUA/JU4DpVl78sq2cUYWYsE3lI+nlt o5zItPCdcQ/OU8anoUfw2r31HuGUj5TgeuVYjBgr7KNoQAhBo1m8t5ePVcYeklTR zRmvpEwL1pU0wzi33eMDs4Ajg8AEEiJ7Lq/A7q3sM55r6ciy23piVisDN7ks7TnS +T1GJrv9RYAZ5fBfyX1XmQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1731344228; x=1731430628; bh=63vV/Bi15kbpukbdHEocuq/m8VKOg/ssBsh mERhp+Vw=; b=F2PbeZsFoEh8yh3pLw0iUJzLBKFe5KHcNS2BU2iX0NXkNESja1o QTC25D5kWAzZBd1y/6WgXZkDt+v9o0rewMvr6xpppmEGKZr+f1QT3h+Yo/Fn+Rb9 3baZ4FVRCFbOSGUMqEyXc/b8455bMEPEqjd594dXUIBmHsqbegR/ExMqalnNbKO6 MgvW0yEz7cFOrwRwlT6/EXQ+T5PKHJph7aUYSCGx+R0t2u3r4aHVOq2ByxlK5/KR hECJjN3kWnYvx/xtO8dvy+vu8Tw4Kg3qG0xhoHBwe/LaidiLqKUGKoBFgOwRL2nh Fhp91gqXGlivDPd3zzTDJioH/2LrbnxAtYQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefuddruddvgdelgecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpggftfghnshhusghstghrihgsvgdpuffr tefokffrpgfnqfghnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnth hsucdlqddutddtmdenucfjughrpeffhffvvefukfhfgggtuggjsehttdertddttddvnecu hfhrohhmpeflohhshhcuvfhrihhplhgvthhtuceojhhoshhhsehjohhshhhtrhhiphhlvg htthdrohhrgheqnecuggftrfgrthhtvghrnhepudeigeehieejuedvtedufeevtdejfeeg ueefgffhkefgleefteetledvtdfftefgnecuvehluhhsthgvrhfuihiivgeptdenucfrrg hrrghmpehmrghilhhfrhhomhepjhhoshhhsehjohhshhhtrhhiphhlvghtthdrohhrghdp nhgspghrtghpthhtohepiedpmhhouggvpehsmhhtphhouhhtpdhrtghpthhtohepmhhlvg hvihhtshhksehrvgguhhgrthdrtghomhdprhgtphhtthhopehsrghnughiphgrnhdruggr shesrghmugdrtghomhdprhgtphhtthhopeguohhnghhlihdriihhrghnghesohhrrggtlh gvrdgtohhmpdhrtghpthhtoheplhhinhhugidqphgvrhhfqdhushgvrhhssehvghgvrhdr khgvrhhnvghlrdhorhhgpdhrtghpthhtohepgiekieeskhgvrhhnvghlrdhorhhgpdhrtg hpthhtohepkhhvmhesvhhgvghrrdhkvghrnhgvlhdrohhrgh X-ME-Proxy: Feedback-ID: i83e94755:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 11 Nov 2024 11:57:07 -0500 (EST) Date: Mon, 11 Nov 2024 08:57:06 -0800 From: Josh Triplett To: Maxim Levitsky Cc: Sandipan Das , dongli.zhang@oracle.com, linux-perf-users@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org Subject: Re: Small question about reserved bits in MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR Message-ID: References: <5ddfb6576d751aa948069edc905626ca27e175ae.camel@redhat.com> <2e3f168c-3b0f-4f18-9db3-0cb2be69bb5c@oracle.com> <04a91009-c160-4920-a5d0-81a8e1e7cf97@amd.com> <36f601823359ed6d694d42c6c79e11a0403b0da3.camel@redhat.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <36f601823359ed6d694d42c6c79e11a0403b0da3.camel@redhat.com> On Tue, Sep 17, 2024 at 08:54:04AM -0400, Maxim Levitsky wrote: > I also tested on bare metal Zen4 system just now, and I also see that MSR 0xc0000302 can be set > to any value. > > So this is a hypervisor bug, I'll report it to AWS. Have you gotten any response from AWS? I'm still seeing this bug on current c7a instances. - Josh Triplett