From 4b10d979833344130aa68461571e9f55843cc397 Mon Sep 17 00:00:00 2001
From: Huibin Hong <huibin.hong@rock-chips.com>
Date: Wed, 12 Apr 2023 08:59:52 +0000
Subject: [PATCH] arm64: smp: minidump save cpu context when ipi stop

Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
Change-Id: I0d98a017311aa85a509649de221873935bb16232
---
 arch/arm64/kernel/smp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 53c58a210f7a..581defe2727c 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -56,6 +56,10 @@
 #undef CREATE_TRACE_POINTS
 #include <trace/hooks/debug.h>
 
+#if IS_ENABLED(CONFIG_ROCKCHIP_MINIDUMP)
+#include <soc/rockchip/rk_minidump.h>
+#endif
+
 DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number);
 EXPORT_PER_CPU_SYMBOL(cpu_number);
 EXPORT_TRACEPOINT_SYMBOL_GPL(ipi_raise);
@@ -916,6 +920,9 @@ static void do_handle_IPI(int ipinr)
 
 	case IPI_CPU_STOP:
 		trace_android_vh_ipi_stop_rcuidle(get_irq_regs());
+#if IS_ENABLED(CONFIG_ROCKCHIP_MINIDUMP)
+		rk_minidump_update_cpu_regs(get_irq_regs());
+#endif
 		local_cpu_stop();
 		break;