From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [RFC PATCH 00/10] Use __kernel_[u]long_t for x32 user space compatibility Date: Thu, 17 May 2012 17:21:34 -0700 Message-ID: <4FB5960E.6070205@zytor.com> References: <1337292816-10839-1-git-send-email-hjl.tools@gmail.com> <201205172019.27462.vapier@gentoo.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:38790 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965781Ab2ERAVu (ORCPT ); Thu, 17 May 2012 20:21:50 -0400 In-Reply-To: <201205172019.27462.vapier@gentoo.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Mike Frysinger Cc: "H.J. Lu" , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, torvalds@linux-foundation.org, mingo@kernel.org, tglx@linutronix.de On 05/17/2012 05:19 PM, Mike Frysinger wrote: > On Thursday 17 May 2012 18:13:26 H.J. Lu wrote: >> From: H.J. Lu >> >> This patch set changes a number of places where the kernel >> headers are exported to user space and currently use explicit >> "long" or "unsigned long" to use __kernel_[u]long_t in order to >> be compatible with the x32 user space ABI. These location are >> places where x32 uses the x86-64 ABI. >> >> It is quite possible that some, or even all, of these locations >> should really use dedicated types, but in the meantime this gives >> the correct results which the current headers do not. > > tangentially related, but what happened to the x86 asm/ptrace.h > patch i sent that changed all the registers from unsigned long to > u64 ? e.g. struct pt_regs { - unsigned long r15; + __u64 r15; > -mike Link please? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.