From patchwork Thu Feb 15 10:36:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 13557982 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C80E3C4829E for ; Thu, 15 Feb 2024 10:37:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1raZ6T-0004h6-4b; Thu, 15 Feb 2024 05:36:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raZ6P-0004gh-Iv for qemu-devel@nongnu.org; Thu, 15 Feb 2024 05:36:25 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1raZ6O-00042v-5F for qemu-devel@nongnu.org; Thu, 15 Feb 2024 05:36:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1707993383; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=trHZHGX1+k2H9I9kDNNwMicLSQmXU3EBu3/a98J0vak=; b=dTS0ml5Uc3ImRTpIDPwmUusXyyz45skWEibAUsHQoXwFyHwbfJszO0aW1mGBAA/C1+9u33 MtiByr3B2Lnx4JlgMJ9PuLPFORO2zej5R+lmcgv8Jcj410hoA1mBOnJiFGt6pwMoZfH1fn EO4q7dv28jxzhvFwY3YRC4VAx7wo458= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-522-Q5ittWGSOkaacUHPiCgkRQ-1; Thu, 15 Feb 2024 05:36:21 -0500 X-MC-Unique: Q5ittWGSOkaacUHPiCgkRQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C51E91035378; Thu, 15 Feb 2024 10:36:20 +0000 (UTC) Received: from eperezma-thinkpadt480s.rmtes.csb (unknown [10.39.192.139]) by smtp.corp.redhat.com (Postfix) with ESMTP id DEC682026D0A; Thu, 15 Feb 2024 10:36:18 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Jason Wang , Si-Wei Liu , Lei Yang , "Michael S. Tsirkin" , Dragos Tatulea Subject: [PATCH 0/2] Trace skipped memory sections at vdpa memory listener Date: Thu, 15 Feb 2024 11:36:14 +0100 Message-ID: <20240215103616.330518-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.531, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Some memory regions are not being skipped in vhost_vdpa_listener_region_del, but they are skipped in vhost_vdpa_listener_region_add, or vice versa. The vhost-vdpa code expects all parts to maintain their properties, so we're adding a trace to help with debugging when any part is skipped. Eugenio Pérez (2): vdpa: stash memory region properties in vars vdpa: trace skipped memory sections hw/virtio/trace-events | 1 + hw/virtio/vhost-vdpa.c | 17 +++++++++++------ 2 files changed, 12 insertions(+), 6 deletions(-)