Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265055AbUFAN5n (ORCPT ); Tue, 1 Jun 2004 09:57:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265057AbUFAN5n (ORCPT ); Tue, 1 Jun 2004 09:57:43 -0400 Received: from [213.146.154.40] ([213.146.154.40]:37857 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S265055AbUFAN5l (ORCPT ); Tue, 1 Jun 2004 09:57:41 -0400 Date: Tue, 1 Jun 2004 14:57:37 +0100 From: Christoph Hellwig To: Mikael Pettersson Cc: Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: 2.6.7-rc2-mm1 Message-ID: <20040601135737.GA18989@infradead.org> Mail-Followup-To: Christoph Hellwig , Mikael Pettersson , Andrew Morton , linux-kernel@vger.kernel.org References: <20040601021539.413a7ad7.akpm@osdl.org> <20040601102928.GA16718@infradead.org> <16572.34833.366022.48748@alkaid.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16572.34833.366022.48748@alkaid.it.uu.se> User-Agent: Mutt/1.4.1i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 886 Lines: 19 On Tue, Jun 01, 2004 at 03:43:45PM +0200, Mikael Pettersson wrote: > Been there, done that. open() on /proc/{$pid,self}/perfctr with > or without O_CREAT was the "get initial access" interface for > several years, until the semantics of /proc/$pid (and /proc/self) > completely changed in 2.6.0-test6. > > Virtual perfctrs wants something that denotes the real kernel > task, not that process-is-a-group-of-kernel-threads crap. I'm not on a nptl system here, so no thread groups in use, but don't we have /proc/$pid/$tid/ now? And yes, I agree with you that the change was utter crap, still wondering how it went in without proper review. - 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/