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[v3,4/5] arm64: kvm: add cpu reset at module exit

Message ID 1427953216-11737-5-git-send-email-takahiro.akashi@linaro.org
State New
Headers show

Commit Message

AKASHI Takahiro April 2, 2015, 5:40 a.m. UTC 
This patch doesn't enable kvm to be built as a module, but is
a prerequisite when kvm is transformed to be module-capable.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
 arch/arm/kvm/arm.c |    6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 4892974..85c142b 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -1178,6 +1178,12 @@  void kvm_arch_hardware_disable(void)
 void kvm_arch_exit(void)
 {
 	kvm_perf_teardown();
+
+	unregister_reboot_notifier(&kvm_reboot_nb);
+	/*
+	 * Reset each CPU in EL2 to initial state.
+	 */
+	on_each_cpu(kvm_cpu_reset, NULL, 1);
 }
 
 static int arm_init(void)