From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757290AbcEDFwI (ORCPT ); Wed, 4 May 2016 01:52:08 -0400 Received: from ozlabs.org ([103.22.144.67]:53998 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752029AbcEDFwG (ORCPT ); Wed, 4 May 2016 01:52:06 -0400 Date: Wed, 4 May 2016 15:52:03 +1000 From: Stephen Rothwell To: Matias =?UTF-8?B?QmrDuHJsaW5n?= Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Javier =?UTF-8?B?R29uesOhbGV6?= Subject: linux-next: build warning after merge of the lightnvm tree Message-ID: <20160504155203.0a90ee6b@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Matias, After merging the lightnvm tree, today's linux-next build (powerpc allyesconfig) produced this warning: In file included from include/linux/swab.h:4:0, from include/uapi/linux/byteorder/big_endia n.h:12, from include/linux/byteorder/big_endian.h:4 , from arch/powerpc/include/uapi/asm/byteorde r.h:13, from include/asm-generic/bitops/le.h:5, from arch/powerpc/include/asm/bitops.h:279, from include/linux/bitops.h:36, from include/linux/kernel.h:10, from include/linux/list.h:8, from include/linux/pci.h:25, from drivers/nvme/host/nvme.h:18, from drivers/nvme/host/lightnvm.c:23: drivers/nvme/host/lightnvm.c: In function 'nvme_nvm_rqtocmd' : include/uapi/linux/byteorder/big_endian.h:30:52: warning: passing argument 1 of '__fswab64' makes integer from pointer without a cast [-Wint-conversion] #define __cpu_to_le64(x) ((__force __le64)__swab64((x))) ^ include/uapi/linux/swab.h:126:12: note: in definition of macro '__swab64' __fswab64(x)) ^ include/linux/byteorder/generic.h:85:21: note: in expansion of macro '__cpu_to_le64' #define cpu_to_le64 __cpu_to_le64 ^ drivers/nvme/host/lightnvm.c:472:22: note: in expansion of macro 'cpu_to_le64' c->ph_rw.metadata = cpu_to_le64(rqd->meta_list); ^ include/uapi/linux/swab.h:68:41: note: expected '__u64 {aka long long unsigned int}' but argument is of type 'void *' static inline __attribute_const__ __u64 __fswab64(__u64 val) ^ Introduced by commit a34b1eb78e21 ("lightnvm: enable metadata to be sent to device") -- Cheers, Stephen Rothwell