There is a sparse warning shown as below:
samples/hw_breakpoint/data_breakpoint.c:24:19: warning:
symbol 'sample_hbp' was not declared. Should it be static?
Since 'sample_hbp' is only called within data_breakpoint.c,
mark it as static to fix the warning.
Fixes:
44ee63587dce ("percpu: Add __percpu sparse annotations to hw_breakpoint")
Signed-off-by: Chen Jiahao <chenjiahao16@huawei.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
#include <linux/perf_event.h>
#include <linux/hw_breakpoint.h>
-struct perf_event * __percpu *sample_hbp;
+static struct perf_event * __percpu *sample_hbp;
static char ksym_name[KSYM_NAME_LEN] = "jiffies";
module_param_string(ksym, ksym_name, KSYM_NAME_LEN, S_IRUGO);