From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753698AbbIQHJ1 (ORCPT ); Thu, 17 Sep 2015 03:09:27 -0400 Received: from www.linutronix.de ([62.245.132.108]:51449 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753356AbbIQHJ0 (ORCPT ); Thu, 17 Sep 2015 03:09:26 -0400 Date: Thu, 17 Sep 2015 09:08:51 +0200 (CEST) From: Thomas Gleixner To: Zhu Jefferry cc: "linux-kernel@vger.kernel.org" , "bigeasy@linutronix.de" Subject: RE: [PATCH v2] futex: lower the lock contention on the HB lock during wake up In-Reply-To: Message-ID: References: User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 16 Sep 2015, Zhu Jefferry wrote: > Besides the application did not check the return value, the mutex_unlock in > Libc did not check the return value from kernel neither. That's even worse. Thanks, tglx