From nobody Fri Dec 19 18:41:51 2025 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 3AF11ECAAA1 for ; Mon, 24 Oct 2022 13:16:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235856AbiJXNQN (ORCPT ); Mon, 24 Oct 2022 09:16:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236017AbiJXNOa (ORCPT ); Mon, 24 Oct 2022 09:14:30 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEB62474C3; Mon, 24 Oct 2022 05:25:13 -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 51BD3B811C4; Mon, 24 Oct 2022 12:06:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E3C4C433C1; Mon, 24 Oct 2022 12:06:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666613164; bh=9YSJ36wjFxsTEnFDQT7Naqs+miqmLf7RXIRtV46M3DY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kRvgPMz0keH7QNk1KwCSXxFhQGYo4+fg1ZsDbXR8YPK6bZURBPwICCX52+zQgeZgv WmJeccYpNFI8wy2PaXf4XLU3OM2oKRsbnDDdkKkIqwNoDVienzFhHi9osXmKgPhyc7 OXZCjoHqVpC5SXe5GGFKPcAZY/3CU1cM5GK9cfdw= 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 5.4 033/255] powerpc/boot: Explicitly disable usage of SPE instructions Date: Mon, 24 Oct 2022 13:29:03 +0200 Message-Id: <20221024113003.549793289@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113002.471093005@linuxfoundation.org> References: <20221024113002.471093005@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pali Roh=C3=A1r 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=3Dno already set when compilation of kernel, but not when compiling uImage wrapper yet. Fix it. Cc: stable@vger.kernel.org Signed-off-by: Pali Roh=C3=A1r 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 @@ -30,6 +30,7 @@ endif =20 BOOTCFLAGS :=3D -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=3Dno) \ -pipe -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ $(LINUXINCLUDE) =20