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

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Message-ID: <20071010004822.GB25265@gondor.apana.org.au>
Date:	Wed, 10 Oct 2007 08:48:22 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 6/7] [IPSEC]: Lock state when copying non-atomic fields to user-space

On Tue, Oct 09, 2007 at 01:33:07PM -0700, David Miller wrote:
>
> I would be more careful with the changelog description for
> something like this in the future.  It sounds like this
> patch will cause us to touch userspace with locks held,
> which obviously only works in very limited scenerios
> and is usually a BUG.
> 
> But you're actually just constructing SKB response netlink
> bits, which later will be copied into userspace but long
> after we've released these locks.

Good point.  I should've said skb destined for user-spac

Cheers,
-- 
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