From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3z5bXT3qNvzDrWg for ; Tue, 26 Dec 2017 23:54:17 +1100 (AEDT) Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vBQCqPpw142818 for ; Tue, 26 Dec 2017 07:54:14 -0500 Received: from e19.ny.us.ibm.com (e19.ny.us.ibm.com [129.33.205.209]) by mx0a-001b2d01.pphosted.com with ESMTP id 2f3n78tu2p-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 26 Dec 2017 07:54:14 -0500 Received: from localhost by e19.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 26 Dec 2017 07:54:13 -0500 From: Jose Ricardo Ziviani To: linuxppc-dev@lists.ozlabs.org Cc: mpe@ellerman.id.au, david@gibson.dropbear.id.au, benh@au1.ibm.com Subject: [PATCH v2 1/1] powerpc/pseries: increase pseries_dlpar_init initcall priority Date: Tue, 26 Dec 2017 10:53:59 -0200 In-Reply-To: <20171226125359.23706-1-joserz@linux.vnet.ibm.com> References: <20171226125359.23706-1-joserz@linux.vnet.ibm.com> Message-Id: <20171226125359.23706-2-joserz@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The hotplug engine uses its own workqueue to handle IRQ requests, the problem is that such workqueue is initialized after init_ras_IRQ, which will cause a kernel panic if any hotplug interruption is issued in that period of time. This patch changes the dlpar initcall registration to make sure it will be initialized before init_ras_IRQ. Signed-off-by: Jose Ricardo Ziviani --- arch/powerpc/platforms/pseries/dlpar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index 6e35780c5962..1f9ae1d0b2be 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -580,5 +580,5 @@ static int __init pseries_dlpar_init(void) WQ_UNBOUND, 1); return sysfs_create_file(kernel_kobj, &class_attr_dlpar.attr); } -machine_device_initcall(pseries, pseries_dlpar_init); +machine_arch_initcall(pseries, pseries_dlpar_init); -- 2.14.1