Re: [PATCH net-next 2/2] net: exit busy loop when another process is runnable
From: Jason Wang <jasowang@redhat.com>
Date: 2014-09-02 03:30:10
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From: Jason Wang <jasowang@redhat.com>
Date: 2014-09-02 03:30:10
Also in:
lkml
On 09/01/2014 02:39 PM, Eliezer Tamir wrote:
On 29/08/2014 06:08, Jason Wang wrote:quoted
quoted
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.