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Date: Wed, 23 Aug 2006 01:44:19 -0700 From: Zachary Amsden <zach@...are.com> To: Arjan van de Ven <arjan@...radead.org> Cc: Andi Kleen <ak@...e.de>, virtualization@...ts.osdl.org, Jeremy Fitzhardinge <jeremy@...p.org>, Andrew Morton <akpm@...l.org>, Chris Wright <chrisw@...s-sol.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] paravirt.h Arjan van de Ven wrote: >> Since this code is so rather, um, custom, I was going to reimplement >> stop_machine in the module. >> > > that sounds like a big mistake. I assume you want your VMI module to be > part of mainline for one. > > And this is the sort of thing that if we want to support it, we better > support it inside the main kernel, eg provide an api to modules to use > it, rather than having each module hack their own.... > Yes, after discussion with Rusty, it appears that beefing up stop_machine_run is the right way to go. And it has benefits for non-paravirt code as well, such as allowing plug-in kprobes or oprofile extension modules to be loaded without having to deal with a debug exception or NMI during module load/unload. Thanks, Zach - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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