From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <38986CC0.EA285023@colorfullife.com> Date: Wed, 02 Feb 2000 18:43:28 +0100 From: Manfred Spraul MIME-Version: 1.0 Subject: Re: 2.3.42: Strange memory corruption References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Rik van Riel Cc: Patrick Mau , Linux Kernel , Linux MM List-ID: Rik van Riel wrote: > > This looks a bit like there might be a race with the > pagetable mapping or read()ing of the file. It would > explain the three `suspicious' segfaults I've seen in > the last few days... > The TLB flush code contains various races if IPI's are sent between switch_mm() and switch_to(). I and Ingo have written patches that fix these problems, and we are waiting for Linus' reply. I've posted my patch and a longer description to linux-kernel last Friday "[PATCH] new tlb flush code". -- Manfred -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/