| Message ID | 20211204095256.78042-3-laoar.shao@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Phase 2 of task comm cleanups | expand |
On Sat, 4 Dec 2021 09:52:53 +0000 Yafang Shao <laoar.shao@gmail.com> wrote: > This TASK_COMM_LEN_16 has the same meaning with the macro defined in > linux/sched.h, but we can't include linux/sched.h in a UAPI header, so > we should specifically define it in the cn_proc.h. > Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> -- Steve > Signed-off-by: Yafang Shao <laoar.shao@gmail.com> > Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> > Cc: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> > Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> > Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com> > Cc: Michal Miroslaw <mirq-linux@rere.qmqm.pl> > Cc: Peter Zijlstra <peterz@infradead.org> > Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Matthew Wilcox <willy@infradead.org> > Cc: David Hildenbrand <david@redhat.com> > Cc: Al Viro <viro@zeniv.linux.org.uk> > Cc: Kees Cook <keescook@chromium.org> > Cc: Petr Mladek <pmladek@suse.com> > --- > include/uapi/linux/cn_proc.h | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/include/uapi/linux/cn_proc.h b/include/uapi/linux/cn_proc.h > index db210625cee8..6dcccaed383f 100644 > --- a/include/uapi/linux/cn_proc.h > +++ b/include/uapi/linux/cn_proc.h > @@ -21,6 +21,8 @@ > > #include <linux/types.h> > > +#define TASK_COMM_LEN_16 16 > + > /* > * Userspace sends this enum to register with the kernel that it is listening > * for events on the connector. > @@ -110,7 +112,7 @@ struct proc_event { > struct comm_proc_event { > __kernel_pid_t process_pid; > __kernel_pid_t process_tgid; > - char comm[16]; > + char comm[TASK_COMM_LEN_16]; > } comm; > > struct coredump_proc_event {
diff --git a/include/uapi/linux/cn_proc.h b/include/uapi/linux/cn_proc.h index db210625cee8..6dcccaed383f 100644 --- a/include/uapi/linux/cn_proc.h +++ b/include/uapi/linux/cn_proc.h @@ -21,6 +21,8 @@ #include <linux/types.h> +#define TASK_COMM_LEN_16 16 + /* * Userspace sends this enum to register with the kernel that it is listening * for events on the connector. @@ -110,7 +112,7 @@ struct proc_event { struct comm_proc_event { __kernel_pid_t process_pid; __kernel_pid_t process_tgid; - char comm[16]; + char comm[TASK_COMM_LEN_16]; } comm; struct coredump_proc_event {
This TASK_COMM_LEN_16 has the same meaning with the macro defined in linux/sched.h, but we can't include linux/sched.h in a UAPI header, so we should specifically define it in the cn_proc.h. Signed-off-by: Yafang Shao <laoar.shao@gmail.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com> Cc: Michal Miroslaw <mirq-linux@rere.qmqm.pl> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: David Hildenbrand <david@redhat.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Kees Cook <keescook@chromium.org> Cc: Petr Mladek <pmladek@suse.com> --- include/uapi/linux/cn_proc.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)