linux-kernel - Re: [PATCH 4.20 018/352] ath9k: dynack: use authentication messages for late ack

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Date:   Tue, 12 Feb 2019 10:47:54 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Koen Vandeputte <koen.vandeputte@...ntric.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.20 018/352] ath9k: dynack: use authentication messages
 for late ack

On Tue, Feb 12, 2019 at 10:40:14AM +0100, Koen Vandeputte wrote:
> 
> On 11.02.19 18:02, Greg Kroah-Hartman wrote:
> > > 
> > > Dear Greg,
> > > 
> > > No idea if this is the proper location to report this or if I should inform
> > > stable@...r.. , but:
> > > 
> > > This backport alone is useless without backporting following 2 commits below
> > > also, unless the 2 wifi devices using dynack start off at very close
> > > distance.
> > > 
> > > Their commits messages indicate them as improvements, but they should be
> > > considered as fixes.
> > > 
> > > 
> > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.0-rc6&id=0c60c490830a1a756c80f8de8d33d9c6359d4a36
> > > 
> > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.0-rc6&id=9d3d65a91f027b8a9af5e63752d9b78cb10eb92d
> > > 
> > > 
> > > It's safe to add them to all stables involved (4.20, 4.19, 4.14, 4.9)
> > Thanks, that looks reasonable, now queued up.
> > 
> > greg k-h
> 
> 
> Hi Greg,
> 
> Just noticed the primary dynack patch also got merged into 4.4 stable rc
> 
> Could you also apply the 2 fixes above to 4.4?
> 
> 
> Checked older versions (< 4.4) .. and they are not required there.

The build breaks when the series in on 4.4, so I dropped the patches
from there, and 3.18.  If you want to send a backported series that
builds properly, I will be glad to queue that up.

thanks,

greg k-h