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From: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
To: "Dave Taht" <dave.taht@gmail.com>,
	"Toke Høiland-Jørgensen" <toke@toke.dk>,
	"Kalle Valo" <kvalo@codeaurora.org>
Cc: "make-wifi-fast@lists.bufferbloat.net"
	<make-wifi-fast@lists.bufferbloat.net>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [Make-wifi-fast] [PATCH] ath10k: Re-enable TXQs for all devices
Date: Fri, 10 Nov 2017 01:49:55 +0000	[thread overview]
Message-ID: <a7b75767d01b46ef818f86dbd0c657a8@NALASEXR01H.na.qualcomm.com> (raw)
In-Reply-To: <CAA93jw6yw5=ALMdRaRrGU9uySmov9HwM-mr2npRbzsSxHgSAGw@mail.gmail.com>

> >
> > The issue that seems to point to has been fixed a while ago; I'll send
> > and updated patch with a better commit message (also forgot to cc the
> > ath10k list, I see).
> >
> > -Toke
> 
> Hmm. I remember that thread. I thought we'd basically resolved that issue (45%
> of the time spent in fq_codel_drop under udp flood), back then, with eric adding
> the batch drop fix to fq_codel itself:
> 
> See commit: https://osdn.net/projects/android-
> x86/scm/git/kernel/commits/9d18562a227874289fda8ca5d117d8f503f1dcca
> 
> which fixed up the problem beautifully:
> 
> https://lists.bufferbloat.net/pipermail/make-wifi-fast/2016-May/000590.html
> 
> So if we've been carrying this darn patch for the ath10k vs something that we'd
> actually fixed elsewhere in the stack, for over a year, sigh.
>
Dave,

Agree.. Even I am not fan of that patch in ath10k. IIRC Michal pushed this
change as temp one and planned to revert it once it is fixed in stack or in driver.

I thought Eric change in fq_codel is meant only for fatty udp flows. Forgive my ignorance.

-Rajkumar


  parent reply	other threads:[~2017-11-10  1:50 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-09  7:19 Toke Høiland-Jørgensen
2017-11-09 16:13 ` Rajkumar Manoharan
2017-11-10  0:10   ` Toke Høiland-Jørgensen
2017-11-10  0:29     ` Dave Taht
2017-11-10  1:06       ` Kalle Valo
2017-11-10  1:49       ` Rajkumar Manoharan [this message]
2017-11-10  2:33         ` Toke Høiland-Jørgensen

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