Messages in this thread | | | Date | Fri, 21 Jul 2023 10:30:23 -0600 | Subject | Re: [PATCH v2] selftests: prctl: Add new prctl test for PR_SET_NAME | From | Shuah Khan <> |
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On 7/14/23 10:21, Shuah Khan wrote: > On 6/26/23 12:36, Osama Muhammad wrote: >> Hi Shuah, >> >> Any feedback on this patch?. >> >> Thanks, >> Osama >> >> > > Please don't top post when you are responding on kernel > mailing lists. It gets very difficult to follow the > comments in the email thread. > >> On Sat, 17 Jun 2023 at 18:01, Osama Muhammad <osmtendev@gmail.com> wrote: >>> >>> Hi, >>> >>> Yes, I did install the latest kernel headers and TASK_COMM_LEN is not >>> accessible in userspace. >>> >>> I looked into the test which uses TASK_COMM_LEN but the test defines >>> it in its own header file. >>> >>> Example: https://elixir.bootlin.com/linux/latest/source/tools/testing/selftests/bpf/progs/pyperf.h#L13 > > bfp test does things differently because its dependencies > on run-time environment. > >>> >>> TASK_COMM_LEN is defined in include/linux/sched.h, but this header >>> file is not exposed to userspace. > > Correct. you can include linux/sched.h like other tests do > Take a look at tools/testing/selftests/clone3 >
You are right about TASK_COMM_LEN not visible to user-space. This patch has been applied to linux-kselftest next for 6.6-rc1
thanks, -- Shuah
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