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tracing/user_events: Track fork/exec/exit for mm lifetime

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During tracefs discussions it was decided instead of requiring a mapping
within a user-process to track the lifetime of memory descriptors we
should hook the appropriate calls. Do this by adding the minimal stubs
required for task fork, exec, and exit. Currently this is just a NOP.
Future patches will implement these calls fully.

Link: https://lkml.kernel.org/r/20230328235219.203-3-beaub@linux.microsoft.com

Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Beau Belgrave
2023-03-28 16:52:09 -07:00
committed by Steven Rostedt (Google)
parent e5a26a4048
commit fd593511cd
5 changed files with 29 additions and 0 deletions
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18
include/linux/user_events.h
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@@ -11,4 +11,22 @@
#include <uapi/linux/user_events.h>
#ifdef CONFIG_USER_EVENTS
struct user_event_mm {
};
#endif
static inline void user_events_fork(struct task_struct *t,
unsigned long clone_flags)
{
}
static inline void user_events_execve(struct task_struct *t)
{
}
static inline void user_events_exit(struct task_struct *t)
{
}
#endif /* _LINUX_USER_EVENTS_H */