From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [103.22.144.67]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3vRMwq483QzDq60 for ; Mon, 20 Feb 2017 10:12:27 +1100 (AEDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vRMwp63WRz9s7r for ; Mon, 20 Feb 2017 10:12:26 +1100 (AEDT) Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v1JN9Ckj055294 for ; Sun, 19 Feb 2017 18:12:24 -0500 Received: from e23smtp02.au.ibm.com (e23smtp02.au.ibm.com [202.81.31.144]) by mx0b-001b2d01.pphosted.com with ESMTP id 28qaeebnq3-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 19 Feb 2017 18:12:24 -0500 Received: from localhost by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 20 Feb 2017 09:12:21 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id DD7A62CE8054 for ; Mon, 20 Feb 2017 10:12:18 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v1JNCA3137814410 for ; Mon, 20 Feb 2017 10:12:18 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v1JNBkRK014057 for ; Mon, 20 Feb 2017 10:11:46 +1100 Date: Mon, 20 Feb 2017 10:11:21 +1100 From: Gavin Shan To: Michael Ellerman Cc: linuxppc-dev@ozlabs.org Subject: Re: [PATCH] powerpc/powernv: Make PCI non-optional Reply-To: Gavin Shan References: <1487313253-22846-1-git-send-email-mpe@ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1487313253-22846-1-git-send-email-mpe@ellerman.id.au> Message-Id: <20170219231121.GA10854@gwshan> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Feb 17, 2017 at 05:34:13PM +1100, Michael Ellerman wrote: >Bare metal systems without PCI don't exist, so there's no real point in >making PCI optional, it just breaks the build from time to time. In fact >the build is broken now if you turn off PCI_MSI but enable KVM. > >Using select for PCI is OK because we (powerpc) define config PCI, and it >has no dependencies. Selecting PCI_MSI is slightly fishy, because it's >in drivers/pci and it is user-visible, but its only dependency is PCI, >so selecting it can't actually lead to breakage. > >Signed-off-by: Michael Ellerman Acked-by: Gavin Shan