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Date: Thu, 21 Apr 2005 09:26:24 +0200
From: Ingo Molnar <mingo@elte.hu>
To: yangyi <yang.yi@bmrtech.com>
Cc: "Rt-Dev@Mvista. Com" <rt-dev@mvista.com>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: [ Patch ]: Fix loopback communication latency bug
Message-ID: <20050421072624.GA808@elte.hu>
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* yangyi <yang.yi@bmrtech.com> wrote:

> Hi, Ingo
> 
> For the option PREEMPT_RT, local communication latency is very very 
> big, it is about 30 to 50 times as big as the option PREEMPT_NONE as 
> far as local ping latency is concerned. Obviously, this should be 
> fixed ASAP.
> 
> This patch fixes this bug by changing netif_rx to netif_rx_ni in 
> loopback device driver.

thanks, applied.

	Ingo