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GET /api/patches/812459/?format=api
{ "id": 812459, "url": "http://patchwork.ozlabs.org/api/patches/812459/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-6-clg@kaod.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170911171235.29331-6-clg@kaod.org>", "list_archive_url": null, "date": "2017-09-11T17:12:19", "name": "[RFC,v2,05/21] ppc/xive: allocate IRQ numbers for the IPIs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "39139bec2f9f8773a211d0f8f77dca62fc9fddd2", "submitter": { "id": 68548, "url": "http://patchwork.ozlabs.org/api/people/68548/?format=api", "name": "Cédric Le Goater", "email": "clg@kaod.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-6-clg@kaod.org/mbox/", "series": [ { "id": 2526, "url": "http://patchwork.ozlabs.org/api/series/2526/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2526", "date": "2017-09-11T17:12:14", "name": "Guest exploitation of the XIVE interrupt controller (POWER9)", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/2526/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/812459/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/812459/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xrZNn6d4Dz9s83\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 12 Sep 2017 03:17:13 +1000 (AEST)", "from localhost ([::1]:59277 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1drSKd-0003LD-Hj\n\tfor incoming@patchwork.ozlabs.org; Mon, 11 Sep 2017 13:17:11 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:34823)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <clg@kaod.org>) id 1drSH4-0000eE-Pa\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:13:35 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <clg@kaod.org>) id 1drSGz-0003tt-TT\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:13:30 -0400", "from 1.mo2.mail-out.ovh.net ([46.105.63.121]:53584)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <clg@kaod.org>) id 1drSGz-0003t0-MJ\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:13:25 -0400", "from player770.ha.ovh.net (b6.ovh.net [213.186.33.56])\n\tby mo2.mail-out.ovh.net (Postfix) with ESMTP id B9789AB108\n\tfor <qemu-devel@nongnu.org>; Mon, 11 Sep 2017 19:13:24 +0200 (CEST)", "from zorba.kaod.org.com (LFbn-1-2231-173.w90-76.abo.wanadoo.fr\n\t[90.76.52.173]) (Authenticated sender: clg@kaod.org)\n\tby player770.ha.ovh.net (Postfix) with ESMTPSA id 86D183C006E;\n\tMon, 11 Sep 2017 19:13:17 +0200 (CEST)" ], "From": "=?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>", "To": "qemu-ppc@nongnu.org, qemu-devel@nongnu.org,\n\tDavid Gibson <david@gibson.dropbear.id.au>,\n\tBenjamin Herrenschmidt <benh@kernel.crashing.org>,\n\tAlexey Kardashevskiy <aik@ozlabs.ru>, Alexander Graf <agraf@suse.de>", "Date": "Mon, 11 Sep 2017 19:12:19 +0200", "Message-Id": "<20170911171235.29331-6-clg@kaod.org>", "X-Mailer": "git-send-email 2.13.5", "In-Reply-To": "<20170911171235.29331-1-clg@kaod.org>", "References": "<20170911171235.29331-1-clg@kaod.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "X-Ovh-Tracer-Id": "14137925131950852947", "X-VR-SPAMSTATE": "OK", "X-VR-SPAMSCORE": "-100", "X-VR-SPAMCAUSE": "gggruggvucftvghtrhhoucdtuddrfeelledrgedtgdduudehucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm", "Content-Transfer-Encoding": "quoted-printable", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "46.105.63.121", "Subject": "[Qemu-devel] [RFC PATCH v2 05/21] ppc/xive: allocate IRQ numbers\n\tfor the IPIs", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "=?utf-8?q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "The number of IPIs is deduced from the max number of CPUs the guest\nsupports and the IRQ numbers for the IPIs are allocated from the top\nof the IRQ number space to reduce conflict with other IRQ numbers\nallocated by the devices.\n\nSigned-off-by: Cédric Le Goater <clg@kaod.org>\n---\n hw/intc/spapr_xive.c | 6 ++++++\n 1 file changed, 6 insertions(+)", "diff": "diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c\nindex 1681affb0848..52c32f588d6d 100644\n--- a/hw/intc/spapr_xive.c\n+++ b/hw/intc/spapr_xive.c\n@@ -58,6 +58,7 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp)\n sPAPRXive *xive = SPAPR_XIVE(dev);\n Object *obj;\n Error *err = NULL;\n+ int i;\n \n if (!xive->nr_targets) {\n error_setg(errp, \"Number of interrupt targets needs to be greater 0\");\n@@ -80,6 +81,11 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp)\n \n xive->ics = ICS_BASE(obj);\n \n+ /* Allocate the last IRQ numbers for the IPIs */\n+ for (i = xive->nr_irqs - xive->nr_targets; i < xive->nr_irqs; i++) {\n+ ics_set_irq_type(xive->ics, i, false);\n+ }\n+\n /* Allocate SBEs (State Bit Entry). 2 bits, so 4 entries per byte */\n xive->sbe_size = DIV_ROUND_UP(xive->nr_irqs, 4);\n xive->sbe = g_malloc0(xive->sbe_size);\n", "prefixes": [ "RFC", "v2", "05/21" ] }