From nobody Thu Nov 6 19:07:13 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1488343546672821.1772406659032; Tue, 28 Feb 2017 20:45:46 -0800 (PST) Received: from localhost ([::1]:38336 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciw93-0008My-Ac for importer@patchew.org; Tue, 28 Feb 2017 23:45:45 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46268) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciw7i-0007vZ-Vt for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciw7h-0008UE-DG for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:23 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:34031) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ciw7g-0008SO-W4; Tue, 28 Feb 2017 23:44:21 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vY2sR2jH2z9s8T; Wed, 1 Mar 2017 15:44:10 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1488343451; bh=oQqGtHwvAoHc4aD47rISqYHOI6RH/5+g1Su+FsSIhbQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B4TuhoDQI3RvAkS27pfpUPCb9N3nqmP0J5/+txsZtcJumSAEP4RW3dP1HSr/w39kd Rq9AH8O6WuQQIZmZWNNqh0sObATfqT1bCuY6Z7ozJZJcbplUPjN0FzutKtt0CiWZHT PI6JNeXIIz5OMzsyUCVKbTatE1XsAL+eAr0+IJWg= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 1 Mar 2017 15:43:21 +1100 Message-Id: <20170301044405.1792-7-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170301044405.1792-1-david@gibson.dropbear.id.au> References: <20170301044405.1792-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 Subject: [Qemu-devel] [PULL 06/50] sysemu: support up to 1024 vCPUs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, thuth@redhat.com, qemu-devel@nongnu.org, aik@ozlabs.ru, mdroth@linux.vnet.ibm.com, agraf@suse.de, qemu-ppc@nongnu.org, David Gibson , Greg Kurz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Greg Kurz Some systems can already provide more than 255 hardware threads. Bumping the QEMU limit to 1024 seems reasonable: - it has no visible overhead in top; - the limit itself has no effect on hot paths. Cc: Greg Kurz Signed-off-by: Alexey Kardashevskiy Signed-off-by: David Gibson --- hw/ppc/spapr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 87d8366..0b57aad 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2891,7 +2891,7 @@ static void spapr_machine_class_init(ObjectClass *oc,= void *data) mc->init =3D ppc_spapr_init; mc->reset =3D ppc_spapr_reset; mc->block_default_type =3D IF_SCSI; - mc->max_cpus =3D 255; + mc->max_cpus =3D 1024; mc->no_parallel =3D 1; mc->default_boot_order =3D ""; mc->default_ram_size =3D 512 * M_BYTE; --=20 2.9.3