On 09/28/2018 11:53 AM, Roman Gushchin wrote:
> On Thu, Sep 27, 2018 at 02:37:30PM -0700, Yonghong Song wrote:
>> Currently, helper bpf_get_current_cgroup_id() is not permitted
>> for CGROUP_DEVICE type of programs. If the helper is used
>> in such cases, the verifier will log the following error:
>>
>>   0: (bf) r6 = r1
>>   1: (69) r7 = *(u16 *)(r6 +0)
>>   2: (85) call bpf_get_current_cgroup_id#80
>>   unknown func bpf_get_current_cgroup_id#80
>>
>> The bpf_get_current_cgroup_id() is useful for CGROUP_DEVICE
>> type of programs in order to customize action based on cgroup id.
>> This patch added such a support.
>>
>> Cc: Roman Gushchin <[email protected]>
>> Signed-off-by: Yonghong Song <[email protected]>
> 
> Acked-by: Roman Gushchin <[email protected]>

Applied to bpf-next, thanks!

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