From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: netdev@vger.kernel.org, paulmck@linux.vnet.ibm.com
Subject: Re: [PATCH] net: use synchronize_rcu_expedited()
Date: Tue, 24 May 2011 13:28:16 -0400 (EDT) [thread overview]
Message-ID: <20110524.132816.495988571774322534.davem@davemloft.net> (raw)
In-Reply-To: <1306228052.3026.16.camel@edumazet-laptop>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 24 May 2011 11:07:32 +0200
> synchronize_rcu() is very slow in various situations (HZ=100,
> CONFIG_NO_HZ=y, CONFIG_PREEMPT=n)
>
> Extract from my (mostly idle) 8 core machine :
...
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied, thanks Eric.
prev parent reply other threads:[~2011-05-24 17:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-24 9:07 [PATCH] net: use synchronize_rcu_expedited() Eric Dumazet
2011-05-24 15:44 ` Paul E. McKenney
2011-05-24 15:52 ` Eric Dumazet
2011-05-24 19:24 ` Paul E. McKenney
2011-05-24 19:44 ` Eric Dumazet
2011-05-24 19:56 ` Paul E. McKenney
2011-05-24 17:28 ` David Miller [this message]
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