Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261904AbUDHPOY (ORCPT ); Thu, 8 Apr 2004 11:14:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261907AbUDHPOX (ORCPT ); Thu, 8 Apr 2004 11:14:23 -0400 Received: from ppp-217-133-42-200.cust-adsl.tiscali.it ([217.133.42.200]:9894 "EHLO dualathlon.random") by vger.kernel.org with ESMTP id S261904AbUDHPOV (ORCPT ); Thu, 8 Apr 2004 11:14:21 -0400 Date: Thu, 8 Apr 2004 17:14:15 +0200 From: Andrea Arcangeli To: James Bottomley Cc: Hugh Dickins , Linux Kernel , parisc-linux@parisc-linux.org Subject: Re: [parisc-linux] rmap: parisc __flush_dcache_page Message-ID: <20040408151415.GB31667@dualathlon.random> References: <1081435237.1885.144.camel@mulgrave> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1081435237.1885.144.camel@mulgrave> User-Agent: Mutt/1.4.1i X-GPG-Key: 1024D/68B9CB43 13D9 8355 295F 4823 7C49 C012 DFA1 686E 68B9 CB43 X-PGP-Key: 1024R/CB4660B9 CC A0 71 81 F4 A0 63 AC C0 4B 81 1D 8C 15 C8 E5 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 621 Lines: 12 On Thu, Apr 08, 2004 at 09:40:37AM -0500, James Bottomley wrote: > Whatever seems most convenient that won't impact the flushing fast path, > I suppose. It's one of the hottest paths in the system since all data > transfers go through it for user visibility. you'd need to take a semaphore there to be safe, so it's basically unfixable since you can't sleep or just trylock. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/