linux-kernel - Re: [PATCH net-next 1/2] percpu: add _

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Message-Id: <20100216.202102.71113896.davem@davemloft.net>
Date:	Tue, 16 Feb 2010 20:21:02 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	tj@...nel.org
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	sfr@...b.auug.org.au
Subject: Re: [PATCH net-next 1/2] percpu: add __percpu sparse annotations
 to net

From: Tejun Heo <tj@...nel.org>
Date: Wed, 17 Feb 2010 10:20:26 +0900

> Add __percpu sparse annotations to net.
> 
> These annotations are to make sparse consider percpu variables to be
> in a different address space and warn if accessed without going
> through percpu accessors.  This patch doesn't affect normal builds.
> 
> The macro and type tricks around snmp stats make things a bit
> interesting.  DEFINE/DECLARE_SNMP_STAT() macros mark the target field
> as __percpu and SNMP_UPD_PO_STATS() macro is updated accordingly.  All
> snmp_mib_*() users which used to cast the argument to (void **) are
> updated to cast it to (void __percpu **).
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Acked-by: David S. Miller <davem@...emloft.net>

Applied.
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