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* [PATCH] xtensa: fix xtensa_pmu_setup prototype
@ 2020-07-31 21:19 Max Filippov
  0 siblings, 0 replies; only message in thread
From: Max Filippov @ 2020-07-31 21:19 UTC (permalink / raw)
  To: linux-xtensa; +Cc: Chris Zankel, linux-kernel, Max Filippov, stable

Fix the following build error in configurations with

  arch/xtensa/kernel/perf_event.c:420:29: error: passing argument 3 of
  ‘cpuhp_setup_state’ from incompatible pointer type

Fixes: 25a77b55e74c ("xtensa/perf: Convert the hotplug notifier to state machine callbacks")
Signed-off-by: Max Filippov <>
 arch/xtensa/kernel/perf_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c
index 99fcd63ce597..a0d05c8598d0 100644
--- a/arch/xtensa/kernel/perf_event.c
+++ b/arch/xtensa/kernel/perf_event.c
@@ -399,7 +399,7 @@ static struct pmu xtensa_pmu = {
 	.read = xtensa_pmu_read,
-static int xtensa_pmu_setup(int cpu)
+static int xtensa_pmu_setup(unsigned int cpu)
 	unsigned i;

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2020-07-31 21:19 [PATCH] xtensa: fix xtensa_pmu_setup prototype Max Filippov

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