From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH net-next 2/2] net: exit busy loop when another process
 is runnable
Date: Tue, 02 Sep 2014 11:29:28 +0800
Message-ID: <54053998.4040604@redhat.com>
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Cc: Mike Galbraith <umgwanakikbuti@gmail.com>, davem@davemloft.net,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	mst@redhat.com, Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@elte.hu>
To: Eliezer Tamir <eliezer.tamir@linux.intel.com>,
	Ingo Molnar <mingo@kernel.org>
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On 09/01/2014 02:39 PM, Eliezer Tamir wrote:
> On 29/08/2014 06:08, Jason Wang wrote:
>> > Yes, but rx busy polling only works in process context and does not
>> > disable bh, so it may be not an issue.
> sk_busy_loop() uses rcu_read_lock_bh(), so it does run with bh disabled.
>
> -Eliezer

True, so we need probably also exit the loop when there are pending bhs.