netdev - Re: [PATCH iproute2-next v2 1/3] ss: introduce cgroup2 cache and helper functions

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Date:   Wed, 13 May 2020 21:28:28 -0600
From:   David Ahern <dsahern@...il.com>
To:     Дмитрий Якунин 
        <zeil@...dex-team.ru>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Cc:     "cgroups@...r.kernel.org" <cgroups@...r.kernel.org>
Subject: Re: [PATCH iproute2-next v2 1/3] ss: introduce cgroup2 cache and
 helper functions

On 5/13/20 1:27 AM, Дмитрий Якунин wrote:
> 
> 
> 13.05.2020, 05:03, "David Ahern" <dsahern@...il.com>:
>> On 5/9/20 10:52 AM, Dmitry Yakunin wrote:
>>>  This patch prepares infrastructure for matching sockets by cgroups.
>>>  Two helper functions are added for transformation between cgroup v2 ID
>>>  and pathname. Cgroup v2 cache is implemented as hash table indexed by ID.
>>>  This cache is needed for faster lookups of socket cgroup.
>>>
>>>  v2:
>>>    - style fixes (David Ahern)
>>
>> you missed my other comment about this set. Running this new command on
>> a kernel without support should give the user a better error message
>> than a string of Invalid arguments:
>>
>> $ uname -r
>> 5.3.0-51-generic
>>
>> $ ss -a cgroup /sys/fs/cgroup/unified
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
>> RTNETLINK answers: Invalid argument
> 
> No, i didn't miss your comment. This patchset was extended with the third patch which includes bytecode filter checking.
> 

ok. missed that. applied to iproute2-next.

in the future, please provide a cover letter