[PATCH 1/1] perf, amd: fix lockdep warning, don't __GFP_FS allocwith IRQs disabled

[Jacob Shin]

Fix lockdep warning by not calling kzalloc in smp_call_function_single.

Signed-off-by: Jacob Shin <jacob.shin@xxxxxxx>
---
 arch/x86/kernel/cpu/perf_event_amd_uncore.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_amd_uncore.c b/arch/x86/kernel/cpu/perf_event_amd_uncore.c
index 6dc6227..c0c661a 100644
--- a/arch/x86/kernel/cpu/perf_event_amd_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_uncore.c
@@ -498,7 +498,6 @@ static void __init init_cpu_already_online(void *dummy)
 {
 	unsigned int cpu = smp_processor_id();
 
-	amd_uncore_cpu_up_prepare(cpu);
 	amd_uncore_cpu_starting(cpu);
 	amd_uncore_cpu_online(cpu);
 }
@@ -535,8 +534,10 @@ static int __init amd_uncore_init(void)
 
 	get_online_cpus();
 	/* init cpus already online before registering for hotplug notifier */
-	for_each_online_cpu(cpu)
+	for_each_online_cpu(cpu) {
+		amd_uncore_cpu_up_prepare(cpu);
 		smp_call_function_single(cpu, init_cpu_already_online, NULL, 1);
+	}
 
 	register_cpu_notifier(&amd_uncore_cpu_notifier_block);
 	put_online_cpus();
-- 
1.7.9.5


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