tracing: Let filter_assign_type() detect FILTER_PTR_STRING

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filter_assign_type() could detect dynamic string and static
string, but not string pointers. Teach filter_assign_type()
to detect string pointers, and this will be needed by trace
event injection code.

BTW, trace event hist uses FILTER_PTR_STRING too.
Link: http://lkml.kernel.org/r/20190525165802.25944-3-xiyou.wangcong@gmail.com

Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

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Cong Wang 2019-05-25 09:58:00 -07:00 • committed by Steven Rostedt (VMware)

parent 46710f3a34

commit 5967bd5c42

1 changed files with 3 additions and 0 deletions

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kernel/trace/trace_events_filter.c

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