[PATCH 5.10 20/29] perf/x86/amd/power: Assign pmu.module

Greg Kroah-Hartman
2021-09-06T12:57:20Z

From: Kim Phillips <kim.phillips@amd.com>

[ Upstream commit ccf26483416a339c114409f6e7cd02abdeaf8052 ]

Assign pmu.module so the driver can't be unloaded whilst in use.

Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210817221048.88063-4-kim.phillips@amd.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/x86/events/amd/power.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/amd/power.c b/arch/x86/events/amd/power.c
index 16a2369c586e..37d5b380516e 100644
--- a/arch/x86/events/amd/power.c
+++ b/arch/x86/events/amd/power.c
@@ -213,6 +213,7 @@ static struct pmu pmu_class = {
.stop = pmu_event_stop,
.read = pmu_event_read,
.capabilities = PERF_PMU_CAP_NO_EXCLUDE,
+ .module = THIS_MODULE,
};

static int power_cpu_exit(unsigned int cpu)
--
2.30.2