Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 9 Oct 2001 09:50:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 9 Oct 2001 09:50:08 -0400 Received: from garrincha.netbank.com.br ([200.203.199.88]:47376 "HELO netbank.com.br") by vger.kernel.org with SMTP id ; Tue, 9 Oct 2001 09:49:48 -0400 Date: Tue, 9 Oct 2001 10:50:01 -0300 (BRST) From: Rik van Riel X-X-Sender: To: BALBIR SINGH Cc: Kirill Ratkin , Subject: Re: No locking is needed ... why? In-Reply-To: <3BC2FF97.4090204@wipro.com> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; CHARSET=US-ASCII; FORMAT=flowed Content-ID: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 9 Oct 2001, BALBIR SINGH wrote: > >Each CPU has its own data structure here. This means no > >other CPU will touch this queue (they have their own) > >so there is nobody we could ever race against. > > We would still require locking or interrupt disabling if this data is used > from an interrupt context (due to re-enterency issues), wouldn't we Rik? I think this code is only run from interrupt context anyway. regards, Rik -- DMCA, SSSCA, W3C? Who cares? http://thefreeworld.net/ (volunteers needed) http://www.surriel.com/ http://distro.conectiva.com/ - 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/