From patchwork Sun Aug 19 02:56:36 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Kleen X-Patchwork-Id: 1343441 Return-Path: X-Original-To: patchwork-linux-kbuild@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 67D05DF25A for ; Sun, 19 Aug 2012 03:13:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754953Ab2HSC70 (ORCPT ); Sat, 18 Aug 2012 22:59:26 -0400 Received: from mga02.intel.com ([134.134.136.20]:64945 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753912Ab2HSC5n (ORCPT ); Sat, 18 Aug 2012 22:57:43 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 18 Aug 2012 19:57:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.77,792,1336374000"; d="scan'208";a="182422065" Received: from tassilo.jf.intel.com ([10.7.201.151]) by orsmga001.jf.intel.com with ESMTP; 18 Aug 2012 19:57:25 -0700 Received: by tassilo.jf.intel.com (Postfix, from userid 501) id 9FB0A24194D; Sat, 18 Aug 2012 19:57:25 -0700 (PDT) From: Andi Kleen To: linux-kernel@vger.kernel.org Cc: x86@kernel.org, mmarek@suse.cz, linux-kbuild@vger.kernel.org, JBeulich@suse.com, akpm@linux-foundation.org, Andi Kleen , benh@kernel.crashing.org Subject: [PATCH 40/74] lto, powerpc: Disable LTO for the powerpc VDSO Date: Sat, 18 Aug 2012 19:56:36 -0700 Message-Id: <1345345030-22211-41-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.7.6 In-Reply-To: <1345345030-22211-1-git-send-email-andi@firstfloor.org> References: <1345345030-22211-1-git-send-email-andi@firstfloor.org> Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org From: Andi Kleen VDSO does not play well with LTO, so just disable it. (note that powerpc will likely need more changes for LTO, this was just from grep) Cc: benh@kernel.crashing.org Signed-off-by: Andi Kleen --- arch/powerpc/kernel/vdso32/Makefile | 2 +- arch/powerpc/kernel/vdso64/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index 53e6c9b..8cc88bf 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -16,7 +16,7 @@ obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32)) GCOV_PROFILE := n -ccflags-y := -shared -fno-common -fno-builtin +ccflags-y := -shared -fno-common -fno-builtin $(DISABLE_LTO) ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \ $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) asflags-y := -D__VDSO32__ -s diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile index effca94..5bca644 100644 --- a/arch/powerpc/kernel/vdso64/Makefile +++ b/arch/powerpc/kernel/vdso64/Makefile @@ -9,7 +9,7 @@ obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64)) GCOV_PROFILE := n -ccflags-y := -shared -fno-common -fno-builtin +ccflags-y := -shared -fno-common -fno-builtin $(DISABLE_LTO) ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \ $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) asflags-y := -D__VDSO64__ -s