Date: Thu, 14 Mar 2002 18:44:55 -0800 From: Peter Wemm <peter@wemm.org> To: Doug Rabson <dfr@nlsystems.com> Cc: Jake Burkholder <jake@locore.ca>, Doug Rabson <dfr@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/ia64/include pcb.h Message-ID: <20020315024455.F294F38CC@overcee.wemm.org> In-Reply-To: <20020314205405.A504-100000@salmon.nlsystems.com>
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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
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