From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8374FC43387 for ; Fri, 11 Jan 2019 14:52:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4E07A206B6 for ; Fri, 11 Jan 2019 14:52:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547218360; bh=vARQy6ZdYywEhfNv8fBAOFEzeWja9dQVso52Tzqbvsk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LqALOB38qfUBM9Ld38Kb1n9cPpq0xy9lk72dNc2Jjd68sDM5WyHAThrrgwp3FVzYv t2iYguoMocpt3/9zyL4MwTcoVbpdbco+L6t6JLAKpRz2kc7XeC3gbR6mT7jw7hJmqw 4l2RUNuSCq+Klymmia+HIYi3Lum/TvooHDg2g7lk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390941AbfAKOiw (ORCPT ); Fri, 11 Jan 2019 09:38:52 -0500 Received: from mail.kernel.org ([198.145.29.99]:59628 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390224AbfAKOiv (ORCPT ); Fri, 11 Jan 2019 09:38:51 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8B57E2063F; Fri, 11 Jan 2019 14:38:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1547217531; bh=vARQy6ZdYywEhfNv8fBAOFEzeWja9dQVso52Tzqbvsk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OS2PRRglROKN7KCLt0A26UR24DvVsrDpOqtr3z34XF+PbrOXkRcmkZdz4e1nXrdj8 90I9XvavgbLgZCZgovXmmG/YjgL34abxSxkjsAoKLjy/YToY/bB2LZ453QputkTDI6 MrHUmTI7ZlnR6/MklqNAFWOeRgfERjlXVQYqB/ik= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nicholas Piggin , Joel Stanley , Michael Ellerman , Nathan Chancellor Subject: [PATCH 4.19 094/148] powerpc: avoid -mno-sched-epilog on GCC 4.9 and newer Date: Fri, 11 Jan 2019 15:14:32 +0100 Message-Id: <20190111131117.980754726@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190111131114.337122649@linuxfoundation.org> References: <20190111131114.337122649@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nicholas Piggin commit 6977f95e63b9b3fb4a5973481a800dd9f48a1338 upstream. Signed-off-by: Nicholas Piggin Reviewed-by: Joel Stanley Signed-off-by: Michael Ellerman Signed-off-by: Nathan Chancellor Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/Makefile | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -165,8 +165,12 @@ CC_FLAGS_FTRACE := -pg ifdef CONFIG_MPROFILE_KERNEL CC_FLAGS_FTRACE += -mprofile-kernel endif -# Work around a gcc code-gen bug with -fno-omit-frame-pointer. -CC_FLAGS_FTRACE += -mno-sched-epilog +# Work around gcc code-gen bugs with -pg / -fno-omit-frame-pointer in gcc <= 4.8 +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=44199 +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52828 +ifneq ($(cc-name),clang) +CC_FLAGS_FTRACE += $(call cc-ifversion, -lt, 0409, -mno-sched-epilog) +endif endif CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))