From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@kernel.org>
Subject: Re: [PATCH v9 3/5] qrwlock, x86 - Treat all data type not bigger
 than long as atomic in x86
Date: Wed, 22 Jan 2014 13:09:17 +0100
Message-ID: <20140122120917.GA8894@gmail.com>
References: <1389761047-47566-1-git-send-email-Waiman.Long@hp.com>
 <1389761047-47566-4-git-send-email-Waiman.Long@hp.com>
 <20140120150316.GG30183@twins.programming.kicks-ass.net>
 <52DE9410.6090500@hp.com>
 <20140121153958.GA31570@twins.programming.kicks-ass.net>
 <52DE9BB0.5070909@hp.com>
 <CA+55aFzyww_kwU36jYk=LUtxzPUU76xgnQEOUTqGMFNe80sOZA@mail.gmail.com>
 <20140122080155.GE31570@twins.programming.kicks-ass.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-arch-owner@vger.kernel.org>
Received: from mail-ea0-f180.google.com ([209.85.215.180]:51025 "EHLO
	mail-ea0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1755249AbaAVMJW (ORCPT
	<rfc822;linux-arch@vger.kernel.org>); Wed, 22 Jan 2014 07:09:22 -0500
Content-Disposition: inline
In-Reply-To: <20140122080155.GE31570@twins.programming.kicks-ass.net>
Sender: linux-arch-owner@vger.kernel.org
List-ID: <linux-arch.vger.kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>, Waiman Long <waiman.long@hp.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Arnd Bergmann <arnd@arndb.de>, "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>, the arch/x86 maintainers <x86@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Steven Rostedt <rostedt@goodmis.org>, Andrew Morton <akpm@linux-foundation.org>, Michel Lespinasse <walken@google.com>, Andi Kleen <andi@firstfloor.org>, Rik van Riel <riel@redhat.com>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>, George Spelvin <linux@horizon.com>, Tim Chen <tim.c.chen@linux.intel.com>, "Chandramouleeswaran, Aswin" <aswin@hp.com>, Scott J Norton <scott.norton@hp.com>


* Peter Zijlstra <peterz@infradead.org> wrote:

> On Tue, Jan 21, 2014 at 04:31:56PM -0800, Linus Torvalds wrote:
> > And if somebody tries to do a "smp_store_release()" on a random
> > structure or union, do we care? We're not some nanny state that wants
> > to give nice warnings for insane code.
> 
> Hurm, and here I thought warning on insane code was a good idea :/

There's a level of insanity that is best cured through Darwin Awards?

Thanks,

	Ingo