linux-kernel - Re: lockdep: how to tell it multiple pte locks is OK?

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Message-ID: <470AC959.1050508@goop.org>
Date:	Mon, 08 Oct 2007 17:20:41 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Arjan van de Ven <arjan@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: lockdep: how to tell it multiple pte locks is OK?

Arjan van de Ven wrote:
> s/implemented/merged/ :)
>
> IN fact shared pagetables are already there for hugepages.
> For small pages it's a patch at this point.
>   

Is it kept up to date?  Where does it live?

> no I'm not saying that. I'm just saying that I'm worried about the
> locking robustness of your trick in general.
>   

Hm, well I won't need to re-pin shared ptes anyway, so I think it's moot.

    J
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