linux-kernel - Re: [PATCH AUTOSEL 4.19 204/205] s390/qeth: limit csum offload erratum to L3 devices

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Message-ID: <20191108120025.GM4787@sasha-vm>
Date:   Fri, 8 Nov 2019 07:00:25 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Julian Wiedmann <jwi@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 4.19 204/205] s390/qeth: limit csum offload
 erratum to L3 devices

On Fri, Nov 08, 2019 at 12:50:24PM +0100, Julian Wiedmann wrote:
>On 08.11.19 12:37, Sasha Levin wrote:
>> From: Julian Wiedmann <jwi@...ux.ibm.com>
>>
>> [ Upstream commit f231dc9dbd789b0f98a15941e3cebedb4ad72ad5 ]
>>
>> Combined L3+L4 csum offload is only required for some L3 HW. So for
>> L2 devices, don't offload the IP header csum calculation.
>>
>
>NACK, this has no relevance for stable.

Sure, I'll drop it.

Do you have an idea why the centos and ubuntu folks might have
backported this commit into their kernels?

-- 
Thanks,
Sasha