From nobody Wed Feb 11 00:55:28 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1602516182; cv=none; d=zohomail.com; s=zohoarc; b=XPc1ua3SWQ/RtVFi3s2XJapt2U57SgGOA2ivO8ctNIGbpDP+zLOMAQyw2ozCqGMjDSltC0Nl3G+xYDbgC13z099++3RI6GvKoN+NRZitKLBh8FT/cnUxfZ6R+wGFnPEzuxMHCzMoyB/kxK5JgkCIXpBMRmaPHX41MVn5BOuz8W8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602516182; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=R+kR85OKjlYLrlIdMLPJxqbumEW3n4q2Bm7yHkxa57A=; b=gN9DiWeoqNF5YSKPFRZko+Q2FTwrtgtypwFCqrEApN65EtamMw1qeyKq7jjupib2LC9j71CWko7ccTm3pfTdlG85rybsV84fcqTGqePkefMlSx7NntAJwAY3TwbUc87W4XYgOlIVlMUAwKWZuoZnYc/EylAEeZLgdPPvx/STxow= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1602516182851600.5376302459989; Mon, 12 Oct 2020 08:23:02 -0700 (PDT) Received: from localhost ([::1]:37420 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kRzfB-0006KV-Bo for importer@patchew.org; Mon, 12 Oct 2020 11:23:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53188) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kRzcZ-0003aX-Cm for qemu-devel@nongnu.org; Mon, 12 Oct 2020 11:20:21 -0400 Received: from us-smtp-delivery-44.mimecast.com ([207.211.30.44]:39315) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kRzcX-0005S1-QC for qemu-devel@nongnu.org; Mon, 12 Oct 2020 11:20:19 -0400 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-231-joa5kJdZOUOvq-lKaQhXpg-1; Mon, 12 Oct 2020 11:20:10 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2752D1921FA0; Mon, 12 Oct 2020 15:20:09 +0000 (UTC) Received: from bahia.lan (ovpn-112-78.ams2.redhat.com [10.36.112.78]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6E76573661; Mon, 12 Oct 2020 15:20:08 +0000 (UTC) X-MC-Unique: joa5kJdZOUOvq-lKaQhXpg-1 Subject: [PATCH 4/4] spapr: Make spapr_cpu_core_unrealize() idempotent From: Greg Kurz To: David Gibson Date: Mon, 12 Oct 2020 17:20:07 +0200 Message-ID: <160251600753.796881.11787439223917154767.stgit@bahia.lan> In-Reply-To: <160251562222.796881.8197386060416409319.stgit@bahia.lan> References: <160251562222.796881.8197386060416409319.stgit@bahia.lan> User-Agent: StGit/0.21 MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: kaod.org Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: softfail client-ip=207.211.30.44; envelope-from=groug@kaod.org; helo=us-smtp-delivery-44.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/12 11:19:47 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no 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: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" spapr_cpu_core_realize() has an err_unrealize label which partially duplicates the code of spapr_cpu_core_realize(). Let's make spapr_cpu_core_unrealize() idempotent and call it instead. The registration and unregistration of the reset handler are moved around to simplify the code even more. Signed-off-by: Greg Kurz --- hw/ppc/spapr_cpu_core.c | 21 +++++++++------------ 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index cffd74f542ba..e3fd81eb9741 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -227,11 +227,13 @@ static void spapr_cpu_core_unrealize(DeviceState *dev) CPUCore *cc =3D CPU_CORE(dev); int i; =20 - qemu_unregister_reset(spapr_cpu_core_reset_handler, sc); - for (i =3D 0; i < cc->nr_threads; i++) { - spapr_unrealize_vcpu(sc->threads[i], sc); + if (sc->threads[i]) { + spapr_unrealize_vcpu(sc->threads[i], sc); + } } + + qemu_unregister_reset(spapr_cpu_core_reset_handler, sc); } =20 static bool spapr_realize_vcpu(PowerPCCPU *cpu, SpaprMachineState *spapr, @@ -326,19 +328,14 @@ static void spapr_cpu_core_realize(DeviceState *dev, = Error **errp) } } =20 + qemu_register_reset(spapr_cpu_core_reset_handler, sc); + for (j =3D 0; j < cc->nr_threads; j++) { if (!spapr_realize_vcpu(sc->threads[j], spapr, sc, errp)) { - goto err_unrealize; + spapr_cpu_core_unrealize(dev); + return; } } - - qemu_register_reset(spapr_cpu_core_reset_handler, sc); - return; - -err_unrealize: - while (--j >=3D 0) { - spapr_unrealize_vcpu(sc->threads[j], sc); - } } =20 static Property spapr_cpu_core_properties[] =3D {