From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next v2] cpumask: make cpumask_next_wrap available
 without smp
Date: Mon, 13 Aug 2018 08:58:49 -0700 (PDT)
Message-ID: <20180813.085849.2269837466744759310.davem@davemloft.net>
References: <20180812131403.123852-1-willemdebruijn.kernel@gmail.com>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: netdev@vger.kernel.org, caleb.raitto@gmail.com, lkp@intel.com,
        willemb@google.com
To: willemdebruijn.kernel@gmail.com
Return-path: <netdev-owner@vger.kernel.org>
Received: from shards.monkeyblade.net ([23.128.96.9]:53012 "EHLO
        shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1728509AbeHMSlj (ORCPT
        <rfc822;netdev@vger.kernel.org>); Mon, 13 Aug 2018 14:41:39 -0400
In-Reply-To: <20180812131403.123852-1-willemdebruijn.kernel@gmail.com>
Sender: netdev-owner@vger.kernel.org
List-ID: <netdev.vger.kernel.org>

From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Date: Sun, 12 Aug 2018 09:14:03 -0400

> From: Willem de Bruijn <willemb@google.com>
> 
> The kbuild robot shows build failure on machines without CONFIG_SMP:
> 
>   drivers/net/virtio_net.c:1916:10: error:
>     implicit declaration of function 'cpumask_next_wrap'
> 
> cpumask_next_wrap is exported from lib/cpumask.o, which has
> 
>     lib-$(CONFIG_SMP) += cpumask.o
> 
> same as other functions, also define it as static inline in the
> NR_CPUS==1 branch in include/linux/cpumask.h.
> 
> If wrap is true and next == start, return nr_cpumask_bits, or 1.
> Else wrap across the range of valid cpus, here [0].
> 
> Fixes: 2ca653d607ce ("virtio_net: Stripe queue affinities across cores.")
> Signed-off-by: Willem de Bruijn <willemb@google.com>

Applied, thanks Willem.