From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: [RFC PATCH 0/2] fast_gup for shared futexes Date: Fri, 4 Apr 2008 21:56:35 +0200 (CEST) Message-ID: References: <20080404193332.348493000@chello.nl> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <20080404193332.348493000@chello.nl> Sender: linux-kernel-owner@vger.kernel.org To: Peter Zijlstra Cc: Nick Piggin , Eric Dumazet , Ingo Molnar , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-Id: linux-mm.kvack.org On Fri, 4 Apr 2008, Peter Zijlstra wrote: > Hi, > > this patch series removes mmap_sem from the fast path of shared futexes by > making use of Nick's recent fast_gup() patches. Full series at: > > http://programming.kicks-ass.net/kernel-patches/futex-fast_gup/v2.6.24.4-rt4/ Looks good at the first glance. Need to look at the corner cases, but the code does not really depend on mmap_sem anymore so the chance that it blows up is pretty low. Thanks, tglx