{"id":817779,"url":"http://patchwork.ozlabs.org/api/patches/817779/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170923082656.27219-2-clg@kaod.org/","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":"<20170923082656.27219-2-clg@kaod.org>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20170923082656.27219-2-clg@kaod.org/","date":"2017-09-23T08:26:55","name":"[1/2] powerpc/xive: fix IPI reset","commit_ref":null,"pull_url":null,"state":"superseded","archived":true,"hash":"927dc1909a7a27687098dba629f854c970cf2820","submitter":{"id":68548,"url":"http://patchwork.ozlabs.org/api/people/68548/?format=json","name":"Cédric Le Goater","email":"clg@kaod.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20170923082656.27219-2-clg@kaod.org/mbox/","series":[{"id":4746,"url":"http://patchwork.ozlabs.org/api/series/4746/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=4746","date":"2017-09-23T08:26:56","name":"powerpc/xive: fix CPU hot unplug","version":1,"mbox":"http://patchwork.ozlabs.org/series/4746/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/817779/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/817779/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"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68])\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 3xzkXr3KHBz9t5b\n\tfor ;\n\tSat, 23 Sep 2017 18:49:00 +1000 (AEST)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xzkXr1thkzDsPC\n\tfor ;\n\tSat, 23 Sep 2017 18:49:00 +1000 (AEST)","from 7.mo179.mail-out.ovh.net (7.mo179.mail-out.ovh.net\n\t[46.105.61.94])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xzkVQ0SBKzDqTc\n\tfor ;\n\tSat, 23 Sep 2017 18:46:52 +1000 (AEST)","from player794.ha.ovh.net (b6.ovh.net [213.186.33.56])\n\tby mo179.mail-out.ovh.net (Postfix) with ESMTP id 44C6064397\n\tfor ;\n\tSat, 23 Sep 2017 10:27:42 +0200 (CEST)","from zorba.kaod.org.com\n\t(i15-les03-th2-31-37-69-229.sfr.lns.abo.bbox.fr [31.37.69.229])\n\t(Authenticated sender: clg@kaod.org)\n\tby player794.ha.ovh.net (Postfix) with ESMTPSA id A98D8140084;\n\tSat, 23 Sep 2017 10:27:36 +0200 (CEST)"],"Authentication-Results":"ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=kaod.org\n\t(client-ip=46.105.61.94; helo=7.mo179.mail-out.ovh.net;\n\tenvelope-from=clg@kaod.org; receiver=)","From":"=?utf-8?q?C=C3=A9dric_Le_Goater?= ","To":"linuxppc-dev@lists.ozlabs.org","Subject":"[PATCH 1/2] powerpc/xive: fix IPI reset","Date":"Sat, 23 Sep 2017 10:26:55 +0200","Message-Id":"<20170923082656.27219-2-clg@kaod.org>","X-Mailer":"git-send-email 2.13.5","In-Reply-To":"<20170923082656.27219-1-clg@kaod.org>","References":"<20170923082656.27219-1-clg@kaod.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Ovh-Tracer-Id":"1944992089779571645","X-VR-SPAMSTATE":"OK","X-VR-SPAMSCORE":"-100","X-VR-SPAMCAUSE":"gggruggvucftvghtrhhoucdtuddrfeelledrieeigddthecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd","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":"David Gibson , =?utf-8?q?C=C3=A9dric_Le_G?=\n\t=?utf-8?q?oater?= ","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"When resetting an IPI, hw_ipi should also be set to zero.\n\nSigned-off-by: Cédric Le Goater \n---\n arch/powerpc/sysdev/xive/spapr.c | 4 ++++\n 1 file changed, 4 insertions(+)","diff":"diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c\nindex f24a70bc6855..d9c4c9366049 100644\n--- a/arch/powerpc/sysdev/xive/spapr.c\n+++ b/arch/powerpc/sysdev/xive/spapr.c\n@@ -431,7 +431,11 @@ static int xive_spapr_get_ipi(unsigned int cpu, struct xive_cpu *xc)\n \n static void xive_spapr_put_ipi(unsigned int cpu, struct xive_cpu *xc)\n {\n+\tif (!xc->hw_ipi)\n+\t\treturn;\n+\n \txive_irq_bitmap_free(xc->hw_ipi);\n+\txc->hw_ipi = 0;\n }\n #endif /* CONFIG_SMP */\n \n","prefixes":["1/2"]}