From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935731Ab3DJMYQ (ORCPT ); Wed, 10 Apr 2013 08:24:16 -0400 Received: from mail.skyhub.de ([78.46.96.112]:42359 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751897Ab3DJMYP (ORCPT ); Wed, 10 Apr 2013 08:24:15 -0400 Date: Wed, 10 Apr 2013 14:24:11 +0200 From: Borislav Petkov To: Ingo Molnar Cc: "H. Peter Anvin" , X86 ML , LKML , Borislav Petkov Subject: Re: [PATCH 0/4] x86: FPU detection in C Message-ID: <20130410122411.GE13394@pd.tnic> Mail-Followup-To: Borislav Petkov , Ingo Molnar , "H. Peter Anvin" , X86 ML , LKML , Borislav Petkov References: <1365436666-9837-1-git-send-email-bp@alien8.de> <20130410110840.GA29752@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20130410110840.GA29752@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 10, 2013 at 01:08:40PM +0200, Ingo Molnar wrote: > Config attached. How do you even build this? I tried tip:x86/cpu but it fails here: drivers/misc/lkdtm.c: In function ‘recursive_loop.constprop.3’: drivers/misc/lkdtm.c:276:1: warning: the frame size of 1028 bytes is larger than 1024 bytes [-Wframe-larger-than=] In file included from /w/kernel/linux-2.6/arch/x86/include/asm/uaccess.h:537:0, from include/linux/uaccess.h:5, from include/linux/highmem.h:8, from include/linux/pagemap.h:10, from fs/binfmt_misc.c:27: /w/kernel/linux-2.6/arch/x86/include/asm/uaccess_32.h: In function ‘parse_command.part.2’: /w/kernel/linux-2.6/arch/x86/include/asm/uaccess_32.h:211:26: error: call to ‘copy_from_user_overflow’ declared with attribute error: copy_from_user() buffer size is not provably correct make[1]: *** [fs/binfmt_misc.o] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [fs] Error 2 make: *** Waiting for unfinished jobs.... because of CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y. Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --