diff options
| author | Masami Hiramatsu <mhiramat@kernel.org> | 2019-05-31 17:17:37 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-16 21:14:47 +0200 |
| commit | 747774d6b018ca02493fd3f321624dfce749da61 (patch) | |
| tree | e0420b7753ec8668a09d7744daab7f4e53ae5122 /kernel/trace/trace_uprobe.c | |
| parent | tracing/probe: Add trace_event_file access APIs for trace_probe (diff) | |
| download | linux-747774d6b018ca02493fd3f321624dfce749da61.tar.xz linux-747774d6b018ca02493fd3f321624dfce749da61.zip | |
tracing/probe: Add trace flag access APIs for trace_probe
Add trace_probe_test/set/clear_flag() functions for accessing
trace_probe.flag field.
This flags field should not be accessed directly.
Link: http://lkml.kernel.org/r/155931585683.28323.314290023236905988.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index a9f8045b6695..f8e23ed47823 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -927,17 +927,17 @@ probe_event_enable(struct trace_uprobe *tu, struct trace_event_file *file, int ret; if (file) { - if (tu->tp.flags & TP_FLAG_PROFILE) + if (trace_probe_test_flag(&tu->tp, TP_FLAG_PROFILE)) return -EINTR; ret = trace_probe_add_file(&tu->tp, file); if (ret < 0) return ret; } else { - if (tu->tp.flags & TP_FLAG_TRACE) + if (trace_probe_test_flag(&tu->tp, TP_FLAG_TRACE)) return -EINTR; - tu->tp.flags |= TP_FLAG_PROFILE; + trace_probe_set_flag(&tu->tp, TP_FLAG_PROFILE); } WARN_ON(!uprobe_filter_is_empty(&tu->filter)); @@ -970,7 +970,7 @@ probe_event_enable(struct trace_uprobe *tu, struct trace_event_file *file, if (file) trace_probe_remove_file(&tu->tp, file); else - tu->tp.flags &= ~TP_FLAG_PROFILE; + trace_probe_clear_flag(&tu->tp, TP_FLAG_PROFILE); return ret; } @@ -988,7 +988,7 @@ probe_event_disable(struct trace_uprobe *tu, struct trace_event_file *file) if (trace_probe_is_enabled(&tu->tp)) return; } else - tu->tp.flags &= ~TP_FLAG_PROFILE; + trace_probe_clear_flag(&tu->tp, TP_FLAG_PROFILE); WARN_ON(!uprobe_filter_is_empty(&tu->filter)); @@ -1266,11 +1266,11 @@ static int uprobe_dispatcher(struct uprobe_consumer *con, struct pt_regs *regs) ucb = uprobe_buffer_get(); store_trace_args(ucb->buf, &tu->tp, regs, esize, dsize); - if (tu->tp.flags & TP_FLAG_TRACE) + if (trace_probe_test_flag(&tu->tp, TP_FLAG_TRACE)) ret |= uprobe_trace_func(tu, regs, ucb, dsize); #ifdef CONFIG_PERF_EVENTS - if (tu->tp.flags & TP_FLAG_PROFILE) + if (trace_probe_test_flag(&tu->tp, TP_FLAG_PROFILE)) ret |= uprobe_perf_func(tu, regs, ucb, dsize); #endif uprobe_buffer_put(ucb); @@ -1301,11 +1301,11 @@ static int uretprobe_dispatcher(struct uprobe_consumer *con, ucb = uprobe_buffer_get(); store_trace_args(ucb->buf, &tu->tp, regs, esize, dsize); - if (tu->tp.flags & TP_FLAG_TRACE) + if (trace_probe_test_flag(&tu->tp, TP_FLAG_TRACE)) uretprobe_trace_func(tu, func, regs, ucb, dsize); #ifdef CONFIG_PERF_EVENTS - if (tu->tp.flags & TP_FLAG_PROFILE) + if (trace_probe_test_flag(&tu->tp, TP_FLAG_PROFILE)) uretprobe_perf_func(tu, func, regs, ucb, dsize); #endif uprobe_buffer_put(ucb); |