From 4af50419dbc04512c2ca6c2085a2bf6b4a397541 Mon Sep 17 00:00:00 2001
From: Cheng Jui Wang <cheng-jui.wang@mediatek.com>
Date: Tue, 27 Oct 2020 14:35:10 +0800
Subject: [PATCH] ANDROID: arm64: smp: fix Lockdep warning: RCU used illegally
 from idle CPU.

This problem will happened if handle_IPI is called from idle CPU.
Use trace_android_vh_ipi_stop_rcuidle() to fix this issue

Bug: 171683158
Change-Id: Ic49fc1ddc19a54415dec3f28b68f42fa258ffeea
Signed-off-by: Cheng Jui Wang <cheng-jui.wang@mediatek.com>
Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com>
Signed-off-by: Todd Kjos <tkjos@google.com>
---
 arch/arm64/kernel/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index ba8c004a3293..bd16170b74aa 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -956,7 +956,7 @@ static void do_handle_IPI(int ipinr)
 		break;
 
 	case IPI_CPU_STOP:
-		trace_android_vh_ipi_stop(get_irq_regs());
+		trace_android_vh_ipi_stop_rcuidle(get_irq_regs());
 		local_cpu_stop();
 		break;