netdev - Re: [PATCH 02/13] net_sched: introduce qdisc

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Message-ID: <CAM_iQpXj6Pk3moYVKzj8YhmPz74fBgvVt4RxRMgW=+-p5MKnEg@mail.gmail.com>
Date:	Tue, 4 Nov 2014 17:05:54 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH 02/13] net_sched: introduce qdisc_peek() helper function

On Tue, Nov 4, 2014 at 10:45 AM, Stephen Hemminger
<stephen@...workplumber.org> wrote:
> On Tue,  4 Nov 2014 09:56:25 -0800
> Cong Wang <xiyou.wangcong@...il.com> wrote:
>
>> +static inline void qdisc_warn_nonwc(void *func, struct Qdisc *qdisc)
>> +{
>> +     if (!(qdisc->flags & TCQ_F_WARN_NONWC)) {
>> +             pr_warn("%pf: %s qdisc %X: is non-work-conserving?\n",
>> +                     func, qdisc->ops->id, qdisc->handle >> 16);
>> +             qdisc->flags |= TCQ_F_WARN_NONWC;
>> +     }
>> +}
>> +
>
> Inilining this and creating N copies of same message is not a step forward.

Hmm, I think gcc merges same string literals when building Linux kernel?
But I never verify this.
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