Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756484Ab1BRPwK (ORCPT ); Fri, 18 Feb 2011 10:52:10 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:52331 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753393Ab1BRPwH convert rfc822-to-8bit (ORCPT ); Fri, 18 Feb 2011 10:52:07 -0500 Subject: Re: [PATCH 1/3] perf events: fix WARN_ON_ONCE for 64-bit raw data, SW events From: Peter Zijlstra To: David Ahern Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@elte.hu, acme@ghostprotocols.net, paulus@samba.org In-Reply-To: <4D5E9016.4070808@cisco.com> References: <1298008433-22911-1-git-send-email-daahern@cisco.com> <1298008433-22911-2-git-send-email-daahern@cisco.com> <1298026821.5226.642.camel@laptop> <4D5E8338.8010602@cisco.com> <1298040938.5226.771.camel@laptop> <4D5E9016.4070808@cisco.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Fri, 18 Feb 2011 16:51:56 +0100 Message-ID: <1298044316.2887.0.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 409 Lines: 10 On Fri, 2011-02-18 at 08:28 -0700, David Ahern wrote: > Why is an 8-byte stride preferred over a 4-bytes? So as to avoid having to deal with unaligned u64 reads. -- 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/