summaryrefslogtreecommitdiff
path: root/drivers/misc/tegra-profiler/hrt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/misc/tegra-profiler/hrt.c')
-rw-r--r--drivers/misc/tegra-profiler/hrt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/misc/tegra-profiler/hrt.c b/drivers/misc/tegra-profiler/hrt.c
index 56d8b84ae75d..a260c7522706 100644
--- a/drivers/misc/tegra-profiler/hrt.c
+++ b/drivers/misc/tegra-profiler/hrt.c
@@ -269,6 +269,10 @@ static void read_source(struct quadd_event_source_interface *source,
record_data.cpu_mode = user_mode(regs) ?
QUADD_CPU_MODE_USER : QUADD_CPU_MODE_KERNEL;
+ /* For security reasons, hide IPs from the kernel space. */
+ if (record_data.cpu_mode == QUADD_CPU_MODE_KERNEL)
+ record_data.sample.ip = 0;
+
record_data.sample.callchain_nr = callchain_nr;
if (pid > 0) {