netdev - Re: [PATCH net-next] net: sched: pie: change tc_pie

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Date:   Mon, 09 Mar 2020 18:06:53 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     lesliemonis@...il.com
Cc:     netdev@...r.kernel.org, kuba@...nel.org, tahiliani@...k.edu.in,
        gautamramk@...il.com, edumazet@...gle.com
Subject: Re: [PATCH net-next] net: sched: pie: change tc_pie_xstats->prob

From: Leslie Monis <lesliemonis@...il.com>
Date: Tue, 10 Mar 2020 00:40:33 +0530

> Commit 105e808c1da2 ("pie: remove pie_vars->accu_prob_overflows")
> changes the scale of probability values in PIE from (2^64 - 1) to
> (2^56 - 1). This affects the precision of tc_pie_xstats->prob in
> user space.
> 
> This patch ensures user space is unaffected.
> 
> Suggested-by: Eric Dumazet <edumazet@...gle.com>
> Signed-off-by: Leslie Monis <lesliemonis@...il.com>

Applied, thanks.