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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87B7AFA3741 for ; Mon, 24 Oct 2022 19:59:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233710AbiJXT7x (ORCPT ); Mon, 24 Oct 2022 15:59:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234216AbiJXT72 (ORCPT ); Mon, 24 Oct 2022 15:59:28 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BFF73DBE3; Mon, 24 Oct 2022 11:22:04 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 8D1CEB818D6; Mon, 24 Oct 2022 12:37:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2BFCC433D6; Mon, 24 Oct 2022 12:37:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666615036; bh=tdIxaMXshIpDgKMPQUIn1JKQxwzuc+FAbzhb3VjbmOg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OVrI5GV0aGIJNEUwDpu2oJNgjJMwylIdjpEkgKyVB/EPDfOrIy7dfacPZDThlyrJI 5cr80jklFV8CKpSqAcTHk3hfOmxJh/tFNL2spSNmSi004KF/89emxu0iwvRomscBy+ umlbr0GCVnb7YibLznIvPaEpTy1UCKwT5MS+t9UQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Pali=20Roh=C3=A1r?= , Michael Ellerman Subject: [PATCH 5.15 068/530] powerpc/boot: Explicitly disable usage of SPE instructions Date: Mon, 24 Oct 2022 13:26:52 +0200 Message-Id: <20221024113048.105505528@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113044.976326639@linuxfoundation.org> References: <20221024113044.976326639@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Pali Rohár commit 110a58b9f91c66f743c01a2c217243d94c899c23 upstream. uImage boot wrapper should not use SPE instructions, like kernel itself. Boot wrapper has already disabled Altivec and VSX instructions but not SPE. Options -mno-spe and -mspe=no already set when compilation of kernel, but not when compiling uImage wrapper yet. Fix it. Cc: stable@vger.kernel.org Signed-off-by: Pali Rohár Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20220827134454.17365-1-pali@kernel.org Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/boot/Makefile | 1 + 1 file changed, 1 insertion(+) --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -34,6 +34,7 @@ endif BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -O2 -msoft-float -mno-altivec -mno-vsx \ + $(call cc-option,-mno-spe) $(call cc-option,-mspe=no) \ -pipe -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ $(LINUXINCLUDE)