From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: VM problem with 2.4.8-ac9 (fwd) Date: Thu, 23 Aug 2001 13:53:22 +0100 (BST) In-Reply-To: from "Eric W. Biederman" at Aug 23, 2001 12:19:58 AM MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: From: Alan Cox Sender: owner-linux-mm@kvack.org Return-Path: To: "Eric W. Biederman" Cc: Alan Cox , linux-mm@kvack.org List-ID: > Can I ask which tlb optimisations these are. I have a couple > of reports of dosemu killing the kernel on 2.4.7-ac6 and 2.4.8-ac7 and > similiar kernels, on machines with slow processors. It has been Unrelated. The tlb shootdown fix is ages old and fixes a real bug in Linus tree. There are interactions between the segment reload patch and vm86() operation where segmnet registers happen to be left holding CS/DS values that make the kernel think its optimising a kernel->kernel transition when its seeing old vm86 mode selectors Andi Kleen is working on that one -- 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-mm.org/