From patchwork Tue Jun 9 12:23:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 1305856 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=fDE8ot/y; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 49h8Xd2x8nz9sT5 for ; Tue, 9 Jun 2020 22:28:01 +1000 (AEST) Received: from localhost ([::1]:37796 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jidMF-0007p1-5L for incoming@patchwork.ozlabs.org; Tue, 09 Jun 2020 08:27:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41670) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jidIL-0003Og-99 for qemu-devel@nongnu.org; Tue, 09 Jun 2020 08:23:57 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:28552 helo=us-smtp-delivery-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 1jidIG-0005Pw-OT for qemu-devel@nongnu.org; Tue, 09 Jun 2020 08:23:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591705427; 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: in-reply-to:in-reply-to:references:references; bh=lfCG/U6Fs8boUbgX3M42BSZudAfFQ+9Qi8hzPtIayDg=; b=fDE8ot/yV6DBFrZyIG8DKdWaTWDANmDwCBaTzP8KbcryQCF3zraY1S83AFrGrdL1xCR2mi YULivLoBH50pfOMRVRW6DiVGSzmX5zXGZXAKrPjGiQGyqHBtXOTGi5yOn3Lti+1iY9YuA2 4v56eduV1cZMKPjgqMEVzN1Y4l4ybdc= 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-106-2SNYzUVdNFyXE4psangX0Q-1; Tue, 09 Jun 2020 08:23:45 -0400 X-MC-Unique: 2SNYzUVdNFyXE4psangX0Q-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 022B2A0BD7; Tue, 9 Jun 2020 12:23:44 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-121.ams2.redhat.com [10.36.112.121]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C0D3A2B4D7; Tue, 9 Jun 2020 12:23:43 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 0BC8F1138460; Tue, 9 Jun 2020 14:23:40 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v3 11/24] pnv/phb4: Delete unused "pnv-phb4-pec-stack" devices Date: Tue, 9 Jun 2020 14:23:26 +0200 Message-Id: <20200609122339.937862-12-armbru@redhat.com> In-Reply-To: <20200609122339.937862-1-armbru@redhat.com> References: <20200609122339.937862-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/09 02:41:53 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, 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_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_SBL=1.623, URIBL_SBL_A=0.1 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: , Cc: berrange@redhat.com, ehabkost@redhat.com, Greg Kurz , qemu-ppc@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= , pbonzini@redhat.com, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The number of stacks is controlled by property "num-stacks". pnv_pec_instance_init() creates the maximum supported number, because the property has not been set then. pnv_pec_realize() realizes only the wanted number. Works, although it can leave unrealized devices hanging around in the QOM composition tree. Affects machine powernv9. Delete the unused devices by making pnv_pec_realize() unparent them. Visible in "info qom-tree": /machine (powernv9-machine) /chip[0] (power9_v2.0-pnv-chip) [...] /pec[0] (pnv-phb4-pec) /stack[0] (pnv-phb4-pec-stack) [...] - /stack[1] (pnv-phb4-pec-stack) - /phb (pnv-phb4) - /pcie-mmcfg-mmio[0] (qemu:memory-region) - /root (pnv-phb4-root-port) - /source (xive-source) - /stack[2] (pnv-phb4-pec-stack) - /phb (pnv-phb4) - /pcie-mmcfg-mmio[0] (qemu:memory-region) - /root (pnv-phb4-root-port) - /source (xive-source) /xscom-pec-0.0-nest[0] (qemu:memory-region) /xscom-pec-0.0-pci[0] (qemu:memory-region) /pec[1] (pnv-phb4-pec) /stack[0] (pnv-phb4-pec-stack) [...] /stack[1] (pnv-phb4-pec-stack) [...] - /stack[2] (pnv-phb4-pec-stack) - /phb (pnv-phb4) - /pcie-mmcfg-mmio[0] (qemu:memory-region) - /root (pnv-phb4-root-port) - /source (xive-source) /xscom-pec-0.1-nest[0] (qemu:memory-region) /xscom-pec-0.1-pci[0] (qemu:memory-region) /pec[2] (pnv-phb4-pec) /stack[0] (pnv-phb4-pec-stack) [...] /stack[1] (pnv-phb4-pec-stack) [...] /stack[2] (pnv-phb4-pec-stack) [...] Cc: Cédric Le Goater Cc: David Gibson Cc: qemu-ppc@nongnu.org Signed-off-by: Markus Armbruster Reviewed-by: Greg Kurz Reviewed-by: Cédric Le Goater --- hw/pci-host/pnv_phb4_pec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/pci-host/pnv_phb4_pec.c b/hw/pci-host/pnv_phb4_pec.c index 911d147ffd..565345a018 100644 --- a/hw/pci-host/pnv_phb4_pec.c +++ b/hw/pci-host/pnv_phb4_pec.c @@ -397,6 +397,9 @@ static void pnv_pec_realize(DeviceState *dev, Error **errp) return; } } + for (; i < PHB4_PEC_MAX_STACKS; i++) { + object_unparent(OBJECT(&pec->stacks[i])); + } /* Initialize the XSCOM regions for the PEC registers */ snprintf(name, sizeof(name), "xscom-pec-%d.%d-nest", pec->chip_id,