netdev - Re: [PATCH 0/2] Add new PCI_DEV_FLAGS_NO_RELAXED

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Date:   Tue, 2 May 2017 08:56:41 +0800
From:   Ding Tianhong <dingtianhong@...wei.com>
To:     Casey Leedom <leedom@...lsio.com>,
        Bjorn Helgaas <helgaas@...nel.org>, <leedom@...il.com>
CC:     Michael Werner <werner@...lsio.com>,
        Ganesh Goudar <ganeshgr@...lsio.com>,
        Arjun V <arjun@...lsio.com>,
        David Miller <davem@...emloft.com>,
        "Asit K Mallick" <asit.k.mallick@...el.com>,
        Patrick J Cramer <patrick.j.cramer@...el.com>,
        Ashok Raj <ashok.raj@...el.com>,
        "Suravee Suthikulpanit" <Suravee.Suthikulpanit@....com>,
        Bob Shaw <Bob.Shaw@....com>, h <l.stach@...gutronix.de>,
        Alexander Duyck <alexander.duyck@...il.com>,
        "Mark Rutland" <mark.rutland@....com>,
        Amir Ancel <amira@...lanox.com>,
        "Gabriele Paoloni" <gabriele.paoloni@...wei.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        LinuxArm <linuxarm@...wei.com>,
        David Laight <David.Laight@...lab.com>,
        <jeffrey.t.kirsher@...el.com>, <netdev@...r.kernel.org>,
        Robin Murphy <robin.murphy@....com>, <davem@...emloft.net>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 0/2] Add new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag

Hi Casey:

This solution looks good to me, I will test this for ixgbe.:)

Thanks
Ding

On 2017/5/2 7:13, Casey Leedom wrote:
> Some devices have problems with Transaction Layer Packets with the Relaxed
> Ordering Attribute set.  This patch set adds a new PCIe Device Flag,
> PCI_DEV_FLAGS_NO_RELAXED_ORDERING, a set of PCI Quirks to catch some known
> devices with Relaxed Ordering issues, and a use of this new flag by the
> cxgb4 driver to avoid using Relaxed Ordering with problematic Root Complex
> Ports.
> 
> It's been years since I've submitted kernel.org patches, I appolgise for the
> almost certain submission errors.
> 
> Casey Leedom (2):
>   PCI: Add new PCIe Fabric End Node flag,
>     PCI_DEV_FLAGS_NO_RELAXED_ORDERING
>   net/cxgb4: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
> 
>  drivers/net/ethernet/chelsio/cxgb4/cxgb4.h      |  1 +
>  drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 17 +++++++++++
>  drivers/net/ethernet/chelsio/cxgb4/sge.c        |  5 ++--
>  drivers/pci/quirks.c                            | 38 +++++++++++++++++++++++++
>  include/linux/pci.h                             |  2 ++
>  5 files changed, 61 insertions(+), 2 deletions(-)
>