{"id":814591,"url":"http://patchwork.ozlabs.org/api/patches/814591/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1505621128-23877-10-git-send-email-sukadev@linux.vnet.ibm.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<1505621128-23877-10-git-send-email-sukadev@linux.vnet.ibm.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/1505621128-23877-10-git-send-email-sukadev@linux.vnet.ibm.com/","date":"2017-09-17T04:05:27","name":"[09/10] powerpc/vas: Create cpu to vas id mapping","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"a8b467439b30d6e74fbe5a0c575302237fb636ba","submitter":{"id":984,"url":"http://patchwork.ozlabs.org/api/people/984/?format=json","name":"Sukadev Bhattiprolu","email":"sukadev@linux.vnet.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/1505621128-23877-10-git-send-email-sukadev@linux.vnet.ibm.com/mbox/","series":[{"id":3482,"url":"http://patchwork.ozlabs.org/api/series/3482/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=3482","date":"2017-09-17T04:05:19","name":"powerpc/vas: cleanup and optimizations","version":1,"mbox":"http://patchwork.ozlabs.org/series/3482/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/814591/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/814591/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org","linuxppc-dev@ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xvwq21gGpz9s7m\n\tfor ;\n\tSun, 17 Sep 2017 14:18:06 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xvwq20rdwzDsXc\n\tfor ;\n\tSun, 17 Sep 2017 14:18:06 +1000 (AEST)","from ozlabs.org (ozlabs.org [IPv6:2401:3900:2:1::2])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xvwY03tYLzDrnj\n\tfor ;\n\tSun, 17 Sep 2017 14:05:56 +1000 (AEST)","from ozlabs.org (bilbo.ozlabs.org [103.22.144.67])\n\tby bilbo.ozlabs.org (Postfix) with ESMTP id 3xvwY01vHHz8vmk\n\tfor ;\n\tSun, 17 Sep 2017 14:05:56 +1000 (AEST)","by ozlabs.org (Postfix)\n\tid 3xvwXz52zKz9t4k; Sun, 17 Sep 2017 14:05:55 +1000 (AEST)","from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com\n\t[148.163.158.5])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xvwXy4Ldrz9t2f\n\tfor ; Sun, 17 Sep 2017 14:05:53 +1000 (AEST)","from pps.filterd (m0098414.ppops.net [127.0.0.1])\n\tby mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv8H44OIt094574\n\tfor ; Sun, 17 Sep 2017 00:05:51 -0400","from e35.co.us.ibm.com (e35.co.us.ibm.com [32.97.110.153])\n\tby mx0b-001b2d01.pphosted.com with ESMTP id 2d103t6cft-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor ; Sun, 17 Sep 2017 00:05:50 -0400","from localhost\n\tby e35.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! 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Violators will be prosecuted; \n\tSat, 16 Sep 2017 22:05:48 -0600","from b03ledav005.gho.boulder.ibm.com\n\t(b03ledav005.gho.boulder.ibm.com [9.17.130.236])\n\tby b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v8H45mpl1573306; Sat, 16 Sep 2017 21:05:48 -0700","from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 09DABBE038;\n\tSat, 16 Sep 2017 22:05:48 -0600 (MDT)","from suka-w540.usor.ibm.com (unknown [9.70.94.25])\n\tby b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP id A3716BE03E;\n\tSat, 16 Sep 2017 22:05:47 -0600 (MDT)"],"Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com\n\t(client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com;\n\tenvelope-from=sukadev@linux.vnet.ibm.com; receiver=)","From":"Sukadev Bhattiprolu ","To":"Michael Ellerman ","Subject":"[PATCH 09/10] powerpc/vas: Create cpu to vas id mapping","Date":"Sat, 16 Sep 2017 21:05:27 -0700","X-Mailer":"git-send-email 2.7.4","In-Reply-To":"<1505621128-23877-1-git-send-email-sukadev@linux.vnet.ibm.com>","References":"<1505621128-23877-1-git-send-email-sukadev@linux.vnet.ibm.com>","X-TM-AS-GCONF":"00","x-cbid":"17091704-0012-0000-0000-0000150476DA","X-IBM-SpamModules-Scores":"","X-IBM-SpamModules-Versions":"BY=3.00007754; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000229; SDB=6.00918138; UDB=6.00461174;\n\tIPR=6.00698363; \n\tBA=6.00005592; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00017185;\n\tXFM=3.00000015; UTC=2017-09-17 04:05:50","X-IBM-AV-DETECTION":"SAVI=unused REMOTE=unused XFE=unused","x-cbparentid":"17091704-0013-0000-0000-00004F8478C9","Message-Id":"<1505621128-23877-10-git-send-email-sukadev@linux.vnet.ibm.com>","X-Proofpoint-Virus-Version":"vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-17_03:, , signatures=0","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=0\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1709170058","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.24","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"linuxppc-dev@ozlabs.org, mikey@neuling.org, linux-kernel@vger.kernel.org","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"Create a cpu to vasid mapping so callers can specify -1 instead of\ntrying to find a VAS id.\n\nChangelog[v2]\n\t[Michael Ellerman] Use per-cpu variables to simplify code.\n\nSigned-off-by: Sukadev Bhattiprolu \n---\n arch/powerpc/platforms/powernv/vas.c | 14 +++++++++++++-\n 1 file changed, 13 insertions(+), 1 deletion(-)","diff":"diff --git a/arch/powerpc/platforms/powernv/vas.c b/arch/powerpc/platforms/powernv/vas.c\nindex 565a487..abb7090 100644\n--- a/arch/powerpc/platforms/powernv/vas.c\n+++ b/arch/powerpc/platforms/powernv/vas.c\n@@ -18,15 +18,18 @@\n #include \n #include \n #include \n+#include \n \n #include \"vas.h\"\n \n static DEFINE_MUTEX(vas_mutex);\n static LIST_HEAD(vas_instances);\n \n+static DEFINE_PER_CPU(int, cpu_vas_id);\n+\n static int init_vas_instance(struct platform_device *pdev)\n {\n-\tint rc, vasid;\n+\tint rc, cpu, vasid;\n \tstruct resource *res;\n \tstruct vas_instance *vinst;\n \tstruct device_node *dn = pdev->dev.of_node;\n@@ -74,6 +77,11 @@ static int init_vas_instance(struct platform_device *pdev)\n \t\t\t\"paste_win_id_shift 0x%llx\\n\", pdev->name, vasid,\n \t\t\tvinst->paste_base_addr, vinst->paste_win_id_shift);\n \n+\tfor_each_possible_cpu(cpu) {\n+\t\tif (cpu_to_chip_id(cpu) == of_get_ibm_chip_id(dn))\n+\t\t\tper_cpu(cpu_vas_id, cpu) = vasid;\n+\t}\n+\n \tmutex_lock(&vas_mutex);\n \tlist_add(&vinst->node, &vas_instances);\n \tmutex_unlock(&vas_mutex);\n@@ -98,6 +106,10 @@ struct vas_instance *find_vas_instance(int vasid)\n \tstruct vas_instance *vinst;\n \n \tmutex_lock(&vas_mutex);\n+\n+\tif (vasid == -1)\n+\t\tvasid = per_cpu(cpu_vas_id, smp_processor_id());\n+\n \tlist_for_each(ent, &vas_instances) {\n \t\tvinst = list_entry(ent, struct vas_instance, node);\n \t\tif (vinst->vas_id == vasid) {\n","prefixes":["09/10"]}