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Date:	Tue, 15 Sep 2009 01:31:40 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH] can: fix NOHZ local_softirq_pending 08 warning

From: Oliver Hartkopp <>
Date: Tue, 15 Sep 2009 08:57:54 +0200

> When using nanosleep() in an userspace application we get a ratelimit warning
> NOHZ: local_softirq_pending 08
> for 10 times.
> The echo of CAN frames is done from process context and softirq context only.
> Therefore the usage of netif_rx() was wrong (for years).
> This patch replaces netif_rx() with netif_rx_ni() which has to be used from
> process/softirq context. It also adds a missing comment that can_send() must
> no be used from hardirq context.
> Signed-off-by: Oliver Hartkopp <>
> Signed-off-by: Urs Thuermann <>

Applied, thanks.
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