From owner-cvs-all Thu Mar 14 18:45:10 2002 Delivered-To: cvs-all@freebsd.org Received: from rwcrmhc53.attbi.com (rwcrmhc53.attbi.com [204.127.198.39]) by hub.freebsd.org (Postfix) with ESMTP id B7DBE37B420; Thu, 14 Mar 2002 18:44:57 -0800 (PST) Received: from peter3.wemm.org ([12.232.27.13]) by rwcrmhc53.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20020315024456.BPKW2951.rwcrmhc53.attbi.com@peter3.wemm.org>; Fri, 15 Mar 2002 02:44:56 +0000 Received: from overcee.wemm.org (overcee.wemm.org [10.0.0.3]) by peter3.wemm.org (8.11.0/8.11.0) with ESMTP id g2F2ius43229; Thu, 14 Mar 2002 18:44:56 -0800 (PST) (envelope-from peter@wemm.org) Received: from wemm.org (localhost [127.0.0.1]) by overcee.wemm.org (Postfix) with ESMTP id F294F38CC; Thu, 14 Mar 2002 18:44:55 -0800 (PST) (envelope-from peter@wemm.org) X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: Doug Rabson Cc: Jake Burkholder , Doug Rabson , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/ia64/include pcb.h In-Reply-To: <20020314205405.A504-100000@salmon.nlsystems.com> Date: Thu, 14 Mar 2002 18:44:55 -0800 From: Peter Wemm Message-Id: <20020315024455.F294F38CC@overcee.wemm.org> Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Doug Rabson wrote: > On Thu, 14 Mar 2002, Jake Burkholder wrote: > > > Apparently, On Thu, Mar 14, 2002 at 11:19:49AM -0800, > > Doug Rabson said words to the effect of; > > > > > dfr 2002/03/14 11:19:49 PST > > > > > > Modified files: > > > sys/ia64/include pcb.h > > > Log: > > > Add a field to hold the current pmap of a thread. > > > > Isn't this just &td->td_proc->p_vmspace.vm_pmap? > > The ia64 pmap temporarily switches current_pmap when it is forced to work > on a non-current pmap. Not sure how often this happens in practice. This would mostly be for ptrace() and procfs /proc/*/mem support. There are very few other cases when this happens. Cheers, -Peter -- Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com "All of this is for nothing if we don't go to the stars" - JMS/B5 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message