From patchwork Mon Apr 4 17:01:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Naveen N. Rao" X-Patchwork-Id: 605937 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qdz0y2SLFz9s9x for ; Tue, 5 Apr 2016 03:06:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932412AbcDDRDn (ORCPT ); Mon, 4 Apr 2016 13:03:43 -0400 Received: from e23smtp01.au.ibm.com ([202.81.31.143]:51210 "EHLO e23smtp01.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932391AbcDDRDk (ORCPT ); Mon, 4 Apr 2016 13:03:40 -0400 Received: from localhost by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 5 Apr 2016 03:03:38 +1000 Received: from d23dlp01.au.ibm.com (202.81.31.203) by e23smtp01.au.ibm.com (202.81.31.207) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 5 Apr 2016 03:03:35 +1000 X-IBM-Helo: d23dlp01.au.ibm.com X-IBM-MailFrom: naveen.n.rao@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org;netdev@vger.kernel.org Received: from d23relay06.au.ibm.com (d23relay06.au.ibm.com [9.185.63.219]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id E35072CE8054; Tue, 5 Apr 2016 03:03:28 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay06.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u34H3KcQ6684950; Tue, 5 Apr 2016 03:03:28 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u34H2tR8021447; Tue, 5 Apr 2016 03:02:56 +1000 Received: from naverao1-tp.ibm.com ([9.79.193.26]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u34H2evv020935; Tue, 5 Apr 2016 03:02:51 +1000 From: "Naveen N. Rao" To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org Cc: Alexei Starovoitov , "David S . Miller" , Daniel Borkmann , Ananth N Mavinakayanahalli , Michael Ellerman Subject: [PATCHv2 net 2/3] samples/bpf: Use llc in PATH, rather than a hardcoded value Date: Mon, 4 Apr 2016 22:31:33 +0530 Message-Id: <000e23c21f475e7106c74a83eb6226c4cb8d4a14.1459789086.git.naveen.n.rao@linux.vnet.ibm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <5ab5eec91d2d0bc7f221d714ef84afac83b2604b.1459789086.git.naveen.n.rao@linux.vnet.ibm.com> References: <5ab5eec91d2d0bc7f221d714ef84afac83b2604b.1459789086.git.naveen.n.rao@linux.vnet.ibm.com> In-Reply-To: <5ab5eec91d2d0bc7f221d714ef84afac83b2604b.1459789086.git.naveen.n.rao@linux.vnet.ibm.com> References: <5ab5eec91d2d0bc7f221d714ef84afac83b2604b.1459789086.git.naveen.n.rao@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16040417-1618-0000-0000-000045470D7B Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org While at it, remove the generation of .s files and fix some typos in the related comment. Cc: Alexei Starovoitov Cc: David S. Miller Cc: Daniel Borkmann Cc: Ananth N Mavinakayanahalli Cc: Michael Ellerman Signed-off-by: Naveen N. Rao Acked-by: Alexei Starovoitov --- v2: removed generation of .s files samples/bpf/Makefile | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 502c9fc..b820cc9 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -76,16 +76,10 @@ HOSTLOADLIBES_offwaketime += -lelf HOSTLOADLIBES_spintest += -lelf HOSTLOADLIBES_map_perf_test += -lelf -lrt -# point this to your LLVM backend with bpf support -LLC=$(srctree)/tools/bpf/llvm/bld/Debug+Asserts/bin/llc - -# asm/sysreg.h inline assmbly used by it is incompatible with llvm. -# But, ehere is not easy way to fix it, so just exclude it since it is +# asm/sysreg.h - inline assembly used by it is incompatible with llvm. +# But, there is no easy way to fix it, so just exclude it since it is # useless for BPF samples. $(obj)/%.o: $(src)/%.c clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ - -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=obj -o $@ - clang $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(EXTRA_CFLAGS) \ - -D__KERNEL__ -D__ASM_SYSREG_H -Wno-unused-value -Wno-pointer-sign \ - -O2 -emit-llvm -c $< -o -| $(LLC) -march=bpf -filetype=asm -o $@.s + -O2 -emit-llvm -c $< -o -| llc -march=bpf -filetype=obj -o $@