Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751978AbbENHMR (ORCPT ); Thu, 14 May 2015 03:12:17 -0400 Received: from ozlabs.org ([103.22.144.67]:55125 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750713AbbENHMP (ORCPT ); Thu, 14 May 2015 03:12:15 -0400 Date: Thu, 14 May 2015 17:12:06 +1000 From: Stephen Rothwell To: David Miller , Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Willem de Bruijn Subject: linux-next: build warnings after merge of the net-next tree Message-ID: <20150514171206.2fe660ec@canb.auug.org.au> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; i586-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/NRSwGq3r=QpARwCuys5DYij"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2815 Lines: 73 --Sig_/NRSwGq3r=QpARwCuys5DYij Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the net-next tree, today's linux-next build (sparc64 defconfi= g) produced these warnings: In file included from arch/sparc/include/asm/cmpxchg.h:4:0, from arch/sparc/include/asm/atomic_64.h:11, from arch/sparc/include/asm/atomic.h:4, from include/linux/atomic.h:4, from include/linux/spinlock.h:416, from include/linux/mmzone.h:7, from include/linux/gfp.h:5, from include/linux/mm.h:9, from net/packet/af_packet.c:56: net/packet/af_packet.c: In function 'packet_rcv_has_room': arch/sparc/include/asm/cmpxchg_64.h:43:22: warning: value computed is not u= sed [-Wunused-value] #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),s= izeof(*(ptr)))) ^ net/packet/af_packet.c:1314:3: note: in expansion of macro 'xchg' xchg(&po->pressure, !has_room); ^ net/packet/af_packet.c: In function 'packet_poll': arch/sparc/include/asm/cmpxchg_64.h:43:22: warning: value computed is not u= sed [-Wunused-value] #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),s= izeof(*(ptr)))) ^ net/packet/af_packet.c:3817:3: note: in expansion of macro 'xchg' xchg(&po->pressure, 0); ^ Introduced by commit 2ccdbaa6d55b ("packet: rollover lock contention avoidance"). --=20 Cheers, Stephen Rothwell sfr@canb.auug.org.au --Sig_/NRSwGq3r=QpARwCuys5DYij Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVVErMAAoJEMDTa8Ir7ZwVm1IP/jskvbLwZRYzlmBsHznhl2lS znmNmPOKI3JTcfj6a/wBUvK/yobCyh025wy7Y8OzNu+mf8y1/bz7yCJN013kmMe2 ViZwr+/U4WqSgEEwoZrHl/ab/R9v8TfJA/6beTNVBJcu4fekRnYJJQk0ukwYASc6 hhYfjmQozNiDgTw6bTnnJEv8Z9UhZQgNjwlXwvvN/jzHeqCnf9NYoPsoX70DTWsv LLURF6lrSL2NzKbPDuaOSVOHm7r7ib0e3t4G7RxifC400p5LIXxOmKrgFJCaJAnc Bt36eVLEWDYctBE31Tf/CtrUPEznh7uAb6D7e6Wd7+l8M9zO22Mc39ndfdz7wbn6 RKrv9dnJGBiPer2Cxp6WBe88DCwDZweqvJPDV/41RKGp4E+3SfnKKmeFvwImN6re lrrA4rE0lOa9cwtNqXD1VAF7ma1D+gfl6bKed2PM8bKIoG6N2cBRDu/p4OE/FATU Ecxx7cvOwH5i+r5hqd07RdEzjhyswZwKqOsGzqlVYx+OJrxgnVk4NACurOIDcznl EcLOdNcGY2IXRYoLYwKxuXdeWOohg1vTNAOY+z0ibFbz2Um/DBT12L5jYaDKnbyx vct2rrIn2DVYH7LGNBov3LoeRj/2yXzuZLcl9HMYsEgLiisdilGDgS19vBEQizEF hJPXOeNI4VMggfFj/lvw =HjIS -----END PGP SIGNATURE----- --Sig_/NRSwGq3r=QpARwCuys5DYij-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/