linux-kernel - Re: [PATCH 3/3] [UDP6]: Counter increment on BH mode

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Message-Id: <20071220.041207.64671626.davem@davemloft.net>
Date:	Thu, 20 Dec 2007 04:12:07 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	kuznet@....inr.ac.ru, wangchen@...fujitsu.com,
	gerrit@....abdn.ac.uk, andi@...stfloor.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, clameter@....com, mingo@...e.hu
Subject: Re: [PATCH 3/3] [UDP6]: Counter increment on BH mode

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Sat, 15 Dec 2007 21:58:52 +0800

> [SNMP]: Fix SNMP counters with PREEMPT
> 
> The SNMP macros use raw_smp_processor_id() in process context
> which is illegal because the process may be preempted and then
> migrated to another CPU.
> 
> This patch makes it use get_cpu/put_cpu to disable preemption.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Applied to net-2.6.25, thanks.
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