netdev - Re: [PATCH 6/7] [IPSEC]: Lock state when copying non-atomic fields to user-space

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Date:	Wed, 28 Nov 2007 10:16:40 +0900
From:	Masahide NAKAMURA <nakam@...ux-ipv6.org>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 6/7] [IPSEC]: Lock state when copying non-atomic fields to user-space

Herbert,

Monday 26 November 2007 20:07, Herbert Xu wrote:
> On Mon, Nov 26, 2007 at 11:18:45AM +0800, Herbert Xu wrote:
> >
> > I'm just going to revert this patch for 2.6.24 since we've lived
> > with this race for so long anyway.
> 
> Actually, instead of reverting it completely I'm just going to
> remove the newly added locks which should be just as effective.
> 
> This would reduce the churn in the code as we'd be putting most
> of it back soon anyway.

With the patch you sent, the xfrm_state_walk() issue I reported
is solved at current net-2.6.25.

-- 
Masahide NAKAMURA
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