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Date:   Tue, 4 Apr 2023 11:02:47 +0300
From:   Leon Romanovsky <leon@kernel.org>
To:     xiaolinkui <xiaolinkui@126.com>
Cc:     dennis.dalessandro@cornelisnetworks.com, jgg@ziepe.ca,
        linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
        Linkui Xiao <xiaolinkui@kylinos.cn>
Subject: Re: [PATCH] RDMA/hfi: add a judgment on the availability of cpumask
Message-ID: <20230404080247.GI4514@unreal>
References: <20230404030525.24020-1-xiaolinkui@126.com>
 <20230404060522.GH4514@unreal>
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On Tue, Apr 04, 2023 at 03:01:58PM +0800, xiaolinkui wrote:
> Thanks for your reply.
> 
> When CONFIG_CPUMASK_OFFSTACK=y, "ret" will be false if diff==NULL.
> 
> However, when CONFIG_CPUMASK_OFFSTACK=n, these two are not necessarily
> equivalent.

And what is the problem with that? cpumask_* API is built to handle
correctly this mode.

Reminder: please don't top post.

> 
> Thanks