From patchwork Wed Jun 10 13:17:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Privoznik X-Patchwork-Id: 11597941 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 016CB1391 for ; Wed, 10 Jun 2020 13:33:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C9D2D2067B for ; Wed, 10 Jun 2020 13:33:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UFABh77h" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9D2D2067B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:46250 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jj0ql-00071M-1N for patchwork-qemu-devel@patchwork.kernel.org; Wed, 10 Jun 2020 09:33:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50406) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jj0c2-0001I9-0x for qemu-devel@nongnu.org; Wed, 10 Jun 2020 09:17:50 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:56029 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jj0c0-0005bD-CT for qemu-devel@nongnu.org; Wed, 10 Jun 2020 09:17:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591795066; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UsUrkXC7N0Uw3M1ZNKMfpakBoCCPiiIIV7CKSN7BUQM=; b=UFABh77hz6bX0THz61uMbwNnHNhvF0NIg1/VJ+mmv8SewXkF69MM7tUv8DSs/ReNFC+7PN Spp3g1chZAu4QhgXBPnftG5sMr3dAwoxnJ7NlY2nocFWL0yxwzzy7p7luLsIRAQSvqbhlz wzVqtka36m/VTd7iN9fEOVc25Aami3A= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-507-yslS28sDPyamS7iV4HE5lw-1; Wed, 10 Jun 2020 09:17:45 -0400 X-MC-Unique: yslS28sDPyamS7iV4HE5lw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8328684B842 for ; Wed, 10 Jun 2020 13:17:44 +0000 (UTC) Received: from localhost.localdomain (unknown [10.40.195.12]) by smtp.corp.redhat.com (Postfix) with ESMTP id 02955100238E for ; Wed, 10 Jun 2020 13:17:43 +0000 (UTC) From: Michal Privoznik To: qemu-devel@nongnu.org Subject: [PATCH v2 2/2] qemu-options.hx: Document hmat-lb and hmat-cache order Date: Wed, 10 Jun 2020 15:17:35 +0200 Message-Id: <5bd3f4a03227658cbdb1d184518c7805c1c0122f.1591794890.git.mprivozn@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=mprivozn@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/09 21:17:20 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" To simplify internal implementation the hmat-cache parsing code expects hmat-lb to be already parsed. This means, that hmat-lb arguments must come before hmat-cache. Document this restriction so that management applications can follow it. Signed-off-by: Michal Privoznik Reviewed-by: Igor Mammedov --- qemu-options.hx | 3 +++ 1 file changed, 3 insertions(+) diff --git a/qemu-options.hx b/qemu-options.hx index b1a399079a..3fe9e6d6a0 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -319,6 +319,9 @@ SRST 'none/direct(direct-mapped)/complex(complex cache indexing)'. policy is the write policy. line is the cache Line size in bytes. + Please note, that due to internal implementation, '\ ``hmat-cache``\ ' + must be configured only after '\ ``hmat-lb``\ ' option. + For example, the following options describe 2 NUMA nodes. Node 0 has 2 cpus and a ram, node 1 has only a ram. The processors in node 0 access memory in node 0 with access-latency 5 nanoseconds,