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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 CFE03C43381 for ; Thu, 28 Feb 2019 09:33:50 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 808332171F for ; Thu, 28 Feb 2019 09:33:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 808332171F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4496n902v1zDq6l for ; Thu, 28 Feb 2019 20:33:49 +1100 (AEDT) Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4496Vf28xlzDqHG for ; Thu, 28 Feb 2019 20:21:14 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Received: by ozlabs.org (Postfix, from userid 1034) id 4496Vf0vRHz9s9T; Thu, 28 Feb 2019 20:21:13 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: 27da80719ef132cf8c80eb406d5aeb37dddf78cc X-Patchwork-Hint: ignore In-Reply-To: To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Diana Craciun From: Michael Ellerman Subject: Re: powerpc/fsl: Fix the flush of branch predictor. Message-Id: <4496Vf0vRHz9s9T@ozlabs.org> Date: Thu, 28 Feb 2019 20:21:13 +1100 (AEDT) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, 2019-02-26 at 18:18:48 UTC, Christophe Leroy wrote: > 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 Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/27da80719ef132cf8c80eb406d5aeb37 cheers