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Date:   Thu, 06 Feb 2020 14:20:51 +0100 (CET)
From:   David Miller <>
Subject: Re: [PATCH net] r8169: fix performance regression related to PCIe
 max read request size

From: Heiner Kallweit <>
Date: Wed, 5 Feb 2020 21:22:46 +0100

> It turned out that on low performance systems the original change can
> cause lower tx performance. On a N3450-based mini-PC tx performance
> in iperf3 was reduced from 950Mbps to ~900Mbps. Therefore effectively
> revert the original change, just use pcie_set_readrq() now instead of
> changing the PCIe capability register directly.
> Fixes: 2df49d365498 ("r8169: remove fiddling with the PCIe max read request size")
> Signed-off-by: Heiner Kallweit <>

Applied and queued up for v5.5 -stable, thanks.

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