linux-kernel - Re: [rfc/rft][patch] should use scheduler sync hint in tcp

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Message-Id: <20100304.004104.24320938.davem@davemloft.net>
Date:	Thu, 04 Mar 2010 00:41:04 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	efault@....de
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu
Subject: Re: [rfc/rft][patch] should use scheduler sync hint in
 tcp_prequeue()?

From: Mike Galbraith <efault@....de>
Date: Wed, 03 Mar 2010 15:46:50 +0100

> On Wed, 2010-03-03 at 06:05 -0800, David Miller wrote:
> 
>> It definitely looks like an oversight to me and we should add
>> be using wake_up_interruptible_sync_poll() in tcp_prequeue()
>> as above.
>> 
>> Ingo?
> 
> Implied ack from network maintainer implies ship it to me.
> 
> net: add scheduler sync hint to tcp_prequeue().
> 
> Decreases the odds wakee will suffer from frequent cache misses.
> 
> Signed-off-by: Mike Galbraith <efault@....de>

Applied.
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