Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758978AbXHBTPk (ORCPT ); Thu, 2 Aug 2007 15:15:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753843AbXHBTPb (ORCPT ); Thu, 2 Aug 2007 15:15:31 -0400 Received: from emailhub.stusta.mhn.de ([141.84.69.5]:58553 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751368AbXHBTPa (ORCPT ); Thu, 2 Aug 2007 15:15:30 -0400 Date: Thu, 2 Aug 2007 21:15:09 +0200 From: Adrian Bunk To: Sam Ravnborg Cc: "Luck, Tony" , Andreas Schwab , trenn@suse.de, Jan Dittmer , Len Brown , Linus Torvalds , Andrew Morton , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, rusty@rustcorp.com.au, jcm@jonmasters.org Subject: Re: scripts/mod/file2alias.c cross compile problem Message-ID: <20070802191509.GX3972@stusta.de> References: <617E1C2C70743745A92448908E030B2A02156CC1@scsmsx411.amr.corp.intel.com> <20070802180903.GD2431@uranus.ravnborg.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20070802180903.GD2431@uranus.ravnborg.org> User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1709 Lines: 53 On Thu, Aug 02, 2007 at 08:09:03PM +0200, Sam Ravnborg wrote: > > I second this. For anything visible in userspace from > include/* we require usage of the kernel specific > __u8, __u16, __u32, __u64 typedefs but for device_id we accept > kernel_ulong_t which result in the following crap in > file2alias.c: > > /* We use the ELF typedefs for kernel_ulong_t but bite the bullet and > * use either stdint.h or inttypes.h for the rest. */ > #if KERNEL_ELFCLASS == ELFCLASS32 > typedef Elf32_Addr kernel_ulong_t; > #define BITS_PER_LONG 32 > #else > typedef Elf64_Addr kernel_ulong_t; > #define BITS_PER_LONG 64 > #endif > > And we ought to have __u64 available. > See for example types.h from asm-i386: > #if defined(__GNUC__) && !defined(__STRICT_ANSI__) > typedef __signed__ long long __s64; > typedef unsigned long long __u64; > #endif You are talking about something different than the current problem. The current problem is that when crosscompiling we get a different _padding_ due to file2alias.c being compiled with HOSTCC. What you are talking about is a different issue, and I can't talk about it since I don't understand these interactions between modpost and depmod. > Sam cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/