linux-kernel - Re: [PATCH v2 0/2] enable hires timer to timeout datagram socket

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Message-ID: <20170908185521.GA12340@u40b0340c692b58f6553c.ant.amazon.com>
Date:   Fri, 8 Sep 2017 11:55:21 -0700
From:   Eduardo Valentin <eduval@...zon.com>
To:     David Miller <davem@...emloft.net>
CC:     <dwmw2@...radead.org>, <eduval@...zon.com>, <vallish@...zon.com>,
        <shuah@...nel.org>, <richardcochran@...il.com>,
        <xiyou.wangcong@...il.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <anchalag@...zon.com>,
        <dwmw@...zon.com>
Subject: Re: [PATCH v2 0/2] enable hires timer to timeout datagram socket

Hello,

On Fri, Sep 08, 2017 at 10:26:45AM -0700, David Miller wrote:
> From: David Woodhouse <dwmw2@...radead.org>
> Date: Fri, 08 Sep 2017 18:23:22 +0100
> 
> > I don't know that anyone's ever tried saying "show me the chapter and
> > verse of the documentation"
> 
> Do you know why I brought this up?  Because the person I am replying
> to told me that the syscall documentation should have suggested this
> or that.
> 
> That's why.

:-) My intention was for sure not to upset anybody.

Just to reiterate, the point of patch is simple, there was a change in behavior in the system call from one kernel version to the other. As I mentioned, I agree that the userspace could use other means to achieve the same, but still the system call behavior has changed.

> 
> So let's concentrate on the other aspects of my reply, ok?

I agree. I would prefer to understand here what is the technical reason not to accept these patches other than "use other system calls".


-- 
All the best,
Eduardo Valentin