linux-kernel - [PATCH RFC 1/7] KVM: ARM: call hyp_cpu_pm

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Message-Id: <1571912870-18471-2-git-send-email-shannon.zhao@linux.alibaba.com>
Date:   Thu, 24 Oct 2019 18:27:44 +0800
From:   Shannon Zhao <shannon.zhao@...ux.alibaba.com>
To:     kvmarm@...ts.cs.columbia.edu, maz@...nel.org, james.morse@....com,
        suzuki.poulose@....com, christoffer.dall@....com
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH RFC 1/7] KVM: ARM: call hyp_cpu_pm_exit on correct fail and exit path

Signed-off-by: Shannon Zhao <shannon.zhao@...ux.alibaba.com>
---
 virt/kvm/arm/arm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index 86c6aa1..da32c9b 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -1488,6 +1488,7 @@ static int init_subsystems(void)
 	kvm_coproc_table_init();
 
 out:
+	hyp_cpu_pm_exit();
 	on_each_cpu(_kvm_arch_hardware_disable, NULL, 1);
 
 	return err;
@@ -1500,7 +1501,6 @@ static void teardown_hyp_mode(void)
 	free_hyp_pgds();
 	for_each_possible_cpu(cpu)
 		free_page(per_cpu(kvm_arm_hyp_stack_page, cpu));
-	hyp_cpu_pm_exit();
 }
 
 /**
@@ -1724,6 +1724,7 @@ int kvm_arch_init(void *opaque)
 void kvm_arch_exit(void)
 {
 	kvm_perf_teardown();
+	hyp_cpu_pm_exit();
 }
 
 static int arm_init(void)
-- 
1.8.3.1