On Thu, Oct 14, 2021 at 9:09 PM Mathieu Desnoyers
----- On Oct 14, 2021, at 9:05 AM, Yafang Shao laoar.shao(a)gmail.com wrote:
>> If it happens that this ABI break is noticed by more than an in-tree test
>> program, then
>> the kernel's ABI rules will require that this trace field size stays
>> This brings
>> up once more the whole topic of "Tracepoints ABI" which has been
>> repeatedly in
>> the past.
> I will check if any other in-tree tools depends on TASK_COMM_LEN.
That's a start, but given this is a userspace ABI, out-of-tree userland
tools which depend of this to be fixed-size are also relevant.
TASK_COMM_LEN isn't defined in include/uapi/ directory, so it seems
that it isn't the uerspace ABI?