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GET /api/patches/812471/?format=api
{ "id": 812471, "url": "http://patchwork.ozlabs.org/api/patches/812471/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170911171235.29331-15-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": "<20170911171235.29331-15-clg@kaod.org>", "list_archive_url": null, "date": "2017-09-11T17:12:28", "name": "[RFC,v2,14/21] ppc/xive: add support for the SET_OS_PENDING command", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "316d0306c6db4b012cad3b09009f42330d40b5a3", "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/20170911171235.29331-15-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/812471/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/812471/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 3xrZYY6DJkz9s81\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 12 Sep 2017 03:24:49 +1000 (AEST)", "from localhost ([::1]:59327 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 1drSRz-0001bj-Qe\n\tfor incoming@patchwork.ozlabs.org; Mon, 11 Sep 2017 13:24:47 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:35545)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <clg@kaod.org>) id 1drSI7-0001eK-AN\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:14:36 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <clg@kaod.org>) id 1drSI2-0004eM-R1\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:14:35 -0400", "from 3.mo2.mail-out.ovh.net ([46.105.58.226]:57314)\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 1drSI2-0004di-KB\n\tfor qemu-devel@nongnu.org; Mon, 11 Sep 2017 13:14:30 -0400", "from player770.ha.ovh.net (b6.ovh.net [213.186.33.56])\n\tby mo2.mail-out.ovh.net (Postfix) with ESMTP id A79E4AB236\n\tfor <qemu-devel@nongnu.org>; Mon, 11 Sep 2017 19:14:29 +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 7A2F93C006C;\n\tMon, 11 Sep 2017 19:14:22 +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 19:12:28 +0200", "Message-Id": "<20170911171235.29331-15-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": "14156221004876188499", "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": "46.105.58.226", "Subject": "[Qemu-devel] [RFC PATCH v2 14/21] ppc/xive: add support for the\n\tSET_OS_PENDING command", "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": "Adjusting the Interrupt Pending Buffer for the O/S would allow a CPU\nto process event queues of other priorities during one physical\ninterrupt cycle. This is not currently used by the XIVE support for\nsPAPR in Linux but it is by the hypervisor.\n\nSigned-off-by: Cédric Le Goater <clg@kaod.org>\n---\n hw/intc/spapr_xive.c | 9 ++++++++-\n 1 file changed, 8 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c\nindex ad3ff91b13ea..ad3f03e37401 100644\n--- a/hw/intc/spapr_xive.c\n+++ b/hw/intc/spapr_xive.c\n@@ -162,7 +162,14 @@ static bool spapr_xive_tm_is_readonly(uint8_t index)\n static void spapr_xive_tm_write_special(ICPState *icp, hwaddr offset,\n uint64_t value, unsigned size)\n {\n- /* TODO: support TM_SPC_SET_OS_PENDING */\n+ if (offset == TM_SPC_SET_OS_PENDING && size == 1) {\n+ icp->tima_os[TM_IPB] |= priority_to_ipb(value & 0xff);\n+ icp->tima_os[TM_PIPR] = ipb_to_pipr(icp->tima_os[TM_IPB]);\n+ spapr_xive_icp_notify(icp);\n+ } else {\n+ qemu_log_mask(LOG_GUEST_ERROR, \"XIVE: invalid TIMA write @%\"\n+ HWADDR_PRIx\" size %d\\n\", offset, size);\n+ }\n \n /* TODO: support TM_SPC_ACK_OS_EL */\n }\n", "prefixes": [ "RFC", "v2", "14/21" ] }