From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next-2.6] rps: avoid one atomic in
 enqueue_to_backlog
Date: Mon, 17 May 2010 17:22:49 -0700 (PDT)
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=46rom: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 07 May 2010 11:51:21 +0200

> Le vendredi 07 mai 2010 =E0 07:16 +0200, Eric Dumazet a =E9crit :
>> Le jeudi 06 mai 2010 =E0 22:07 -0700, David Miller a =E9crit :
>>=20
>> > Looks great, applied, thanks Eric.
>>=20
>> Thanks, I have a followup to avoid one atomic in enqueue phase too ;=
)
>>=20
>=20
> [PATCH net-next-2.6] rps: avoid one atomic in enqueue_to_backlog
>=20
> If CONFIG_SMP=3Dy, then we own a queue spinlock, we can avoid the ato=
mic
> test_and_set_bit() from napi_schedule_prep().
>=20
> We now have same number of atomic ops per netif_rx() calls than with
> pre-RPS kernel.
>=20
> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

Also applied, thanks Eric.