netdev - Re: [PATCH V1 net 0/2] net: ena: race condition bug fix and version update

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Message-Id: <20190313.105207.1428262813866246164.davem@davemloft.net>
Date:   Wed, 13 Mar 2019 10:52:07 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     saeedb@...zon.com
Cc:     netdev@...r.kernel.org, dwmw@...zon.co.uk, zorik@...zon.com,
        matua@...zon.com, msw@...zon.com, aliguori@...zon.com,
        nafea@...zon.com, gtzalik@...zon.com, netanel@...zon.com,
        alisaidi@...zon.com, akiyano@...zon.com
Subject: Re: [PATCH V1 net 0/2] net: ena: race condition bug fix and
 version update 

From: "Bshara, Saeed" <saeedb@...zon.com>
Date: Wed, 13 Mar 2019 12:59:34 +0000

> sorry for the late response. I agree that with stable versions the
> driver version is not good indication for which exact code is
> running.  however, we have many users that port the latest ena
> driver as-is from kernel sources into their older kernels, mainly to
> pull new ENA features (e.g. low latency queues). for those cases,
> the driver version helps us to identify the driver's code, so in
> practice this just works fine.

I will try one more time.

If I push fix X for the ENA driver to -stable and that bumps the version
number, all of the features associated with that version number are not
present in the -stable backport.

It does NOT work.