From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yannick GICQUEL Subject: [RFC 2/8] m68k: fix build issue in setup_arch() when no FPU Date: Wed, 8 Jul 2015 11:51:26 +0200 Message-ID: <1436349092-2214-3-git-send-email-yannick.gicquel@gmail.com> References: <1436349092-2214-1-git-send-email-yannick.gicquel@gmail.com> Return-path: Received: from mail-wi0-f180.google.com ([209.85.212.180]:36741 "EHLO mail-wi0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933084AbbGHJvv (ORCPT ); Wed, 8 Jul 2015 05:51:51 -0400 Received: by widjy10 with SMTP id jy10so212030129wid.1 for ; Wed, 08 Jul 2015 02:51:50 -0700 (PDT) Received: from PCL140005.eurogiciel.fr (130.167.26.109.rev.sfr.net. [109.26.167.130]) by smtp.gmail.com with ESMTPSA id k16sm2551260wjr.7.2015.07.08.02.51.49 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 08 Jul 2015 02:51:49 -0700 (PDT) In-Reply-To: <1436349092-2214-1-git-send-email-yannick.gicquel@gmail.com> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: linux-m68k@vger.kernel.org When MMU is activated, assembler generates an illegal instruction on target without FPU. Related code under FPU flag condition. Signed-off-by: Yannick GICQUEL --- arch/m68k/kernel/setup_mm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c index 5b8ec4d..0bc6f77 100644 --- a/arch/m68k/kernel/setup_mm.c +++ b/arch/m68k/kernel/setup_mm.c @@ -245,7 +245,7 @@ void __init setup_arch(char **cmdline_p) * We should really do our own FPU check at startup. * [what do we do with buggy 68LC040s? if we have problems * with them, we should add a test to check_bugs() below] */ -#ifndef CONFIG_M68KFPU_EMU_ONLY +#if !defined(CONFIG_M68KFPU_EMU_ONLY) && defined(CONFIG_FPU) /* clear the fpu if we have one */ if (m68k_fputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060|FPU_COLDFIRE)) { volatile int zero = 0; -- 1.9.1.286.g5172cb3