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=-6.0 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 A847CC43381 for ; Mon, 1 Apr 2019 18:11:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6DFF02070D for ; Mon, 1 Apr 2019 18:11:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554142304; bh=tY32faQutkayhjzVpDRTh6ScByZtCkYp40q9k2tU5oY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LBOiisXa+JU4KeXqp8dinuuEBrTnXK4K6spDayQTQrJShG14eYQNoIrNf2j/XklBC j7QmFSavbWV7xLamIJ9i7I6VWhV80cn9wkXNmF3k+sUO1/oUuL2PTnqarMvVlSSQgx 85HhxaDoiwboEHf1mBlF5tOzAxn57Mh/zNSL0g9s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729033AbfDARFp (ORCPT ); Mon, 1 Apr 2019 13:05:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:50990 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727074AbfDARFo (ORCPT ); Mon, 1 Apr 2019 13:05:44 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 208C121929; Mon, 1 Apr 2019 17:05:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554138343; bh=tY32faQutkayhjzVpDRTh6ScByZtCkYp40q9k2tU5oY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Oq8FSk5h+C4YJOL9nFoXPIniGUtq24pHUHv2wnqEmyvk7fSFzjSvPYg2+8H7RtCBn 5bwTquyhjU39raF455S3z5USBo+UGlrXxbLitW4grPoP4/Yr6SHQYAqOb3nvB7MEeD Jy/ER0KWEard8U3cP66CC8TDocdlpOS+GMk4oiXs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Diana Craciun , Christophe Leroy , Daniel Axtens , Michael Ellerman Subject: [PATCH 5.0 037/146] powerpc/fsl: Fix the flush of branch predictor. Date: Mon, 1 Apr 2019 19:00:49 +0200 Message-Id: <20190401170051.638763472@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190401170048.449559024@linuxfoundation.org> References: <20190401170048.449559024@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 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe Leroy commit 27da80719ef132cf8c80eb406d5aeb37dddf78cc upstream. The commit identified below adds MC_BTB_FLUSH macro only when CONFIG_PPC_FSL_BOOK3E is defined. This results in the following error on some configs (seen several times with kisskb randconfig_defconfig) arch/powerpc/kernel/exceptions-64e.S:576: Error: Unrecognized opcode: `mc_btb_flush' make[3]: *** [scripts/Makefile.build:367: arch/powerpc/kernel/exceptions-64e.o] Error 1 make[2]: *** [scripts/Makefile.build:492: arch/powerpc/kernel] Error 2 make[1]: *** [Makefile:1043: arch/powerpc] Error 2 make: *** [Makefile:152: sub-make] Error 2 This patch adds a blank definition of MC_BTB_FLUSH for other cases. Fixes: 10c5e83afd4a ("powerpc/fsl: Flush the branch predictor at each kernel entry (64bit)") Cc: Diana Craciun Signed-off-by: Christophe Leroy Reviewed-by: Daniel Axtens Reviewed-by: Diana Craciun Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/exceptions-64e.S | 1 + 1 file changed, 1 insertion(+) --- a/arch/powerpc/kernel/exceptions-64e.S +++ b/arch/powerpc/kernel/exceptions-64e.S @@ -349,6 +349,7 @@ ret_from_mc_except: #define GEN_BTB_FLUSH #define CRIT_BTB_FLUSH #define DBG_BTB_FLUSH +#define MC_BTB_FLUSH #define GDBELL_BTB_FLUSH #endif