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Subject: Re: [PATCH v4 10/25] ibtrs: server: main functionality
To:     Jinpu Wang <jinpu.wang@cloud.ionos.com>
Cc:     Jack Wang <jinpuwang@gmail.com>, linux-block@vger.kernel.org,
        linux-rdma@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
        Christoph Hellwig <hch@infradead.org>,
        Sagi Grimberg <sagi@grimberg.me>,
        Jason Gunthorpe <jgg@mellanox.com>,
        Doug Ledford <dledford@redhat.com>,
        Danil Kipnis <danil.kipnis@cloud.ionos.com>, rpenyaev@suse.de,
        Roman Pen <roman.penyaev@profitbricks.com>
References: <20190620150337.7847-1-jinpuwang@gmail.com>
 <20190620150337.7847-11-jinpuwang@gmail.com>
 <ab36427b-a737-9544-fbe8-cd53c0780994@acm.org>
 <CAMGffEmuY+ebhJz1iff7Cnb=qdHuhBaSs=DAKP_iKTOb2Ao2PA@mail.gmail.com>
From:   Bart Van Assche <bvanassche@acm.org>
Message-ID: <c8f76dbc-0fb7-e137-3a1c-b72b3ebb5875@acm.org>
Date:   Fri, 27 Sep 2019 08:11:34 -0700
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On 9/27/19 8:03 AM, Jinpu Wang wrote:
> On Tue, Sep 24, 2019 at 1:49 AM Bart Van Assche <bvanassche@acm.org> wrote:
>> On 6/20/19 8:03 AM, Jack Wang wrote:
>>> +static char cq_affinity_list[256] = "";
>>
>> No empty initializers for file-scope variables please.
 >
> Is it guaranteed by the compiler, the file-scope variables will be
> empty initialized?

That is guaranteed by the C standard. See also 
https://stackoverflow.com/questions/3373108/why-are-static-variables-auto-initialized-to-zero.

Bart.