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trace: fix the errors caused by incompatible type of RCU variables

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The variables which are processed by RCU functions should be annotated
as RCU, otherwise sparse will report the errors like below:

"error: incompatible types in comparison expression (different
address spaces)"

Link: http://lkml.kernel.org/r/1496823171-7758-1-git-send-email-zhang.chunyan@linaro.org

Signed-off-by: Chunyan Zhang <zhang.chunyan@linaro.org>
[ Updated to not be 100% 80 column strict ]
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Chunyan Zhang
2017-06-07 16:12:51 +08:00
committed by Steven Rostedt (VMware)
parent db9108e054
commit f86f418059
4 changed files with 34 additions and 21 deletions
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6
kernel/trace/trace.h
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@@ -1210,9 +1210,9 @@ struct ftrace_event_field {
struct event_filter {
int n_preds; /* Number assigned */
int a_preds; /* allocated */
struct filter_pred *preds;
struct filter_pred *root;
char *filter_string;
struct filter_pred __rcu *preds;
struct filter_pred __rcu *root;
char *filter_string;
};
struct event_subsystem {