netdev - Re: [PATCH net-next 16/17] net: sched: conditionally take rtnl lock on rules update path

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Message-ID: <20181113175722.25868f93@redhat.com>
Date:   Tue, 13 Nov 2018 17:57:22 +0100
From:   Stefano Brivio <sbrivio@...hat.com>
To:     Vlad Buslov <vladbu@...lanox.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "jhs@...atatu.com" <jhs@...atatu.com>,
        "xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>
Subject: Re: [PATCH net-next 16/17] net: sched: conditionally take rtnl lock
 on rules update path

On Tue, 13 Nov 2018 16:53:07 +0100
Stefano Brivio <sbrivio@...hat.com> wrote:

> But to make that effective, you would need to protect the read too, and
> that makes your optimisation not really overzealous I think.
> 
> I'd rather go with an additional comment, if that doesn't become
> unreadable.

Oh, and of course, this whole thing makes sense only if for some reason
you end up keeping this function. Maybe ignore my comments on this patch
at least for the moment being ;)

-- 
Stefano