13.05.2020, 05:03, "David Ahern" <dsah...@gmail.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.