From: Jan Kiszka <jan.kiszka@siemens.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm-devel <kvm@vger.kernel.org>
Subject: [PATCH] kvm: x86: Unregister cpufreq notifier on unload
Date: Fri, 17 Apr 2009 19:24:58 +0200 [thread overview]
Message-ID: <49E8BB6A.7080002@siemens.com> (raw)
Properly unregister cpufreq notifier on onload if it was registered
during init.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
arch/x86/kvm/x86.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0bb4131..95892f7 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2783,6 +2783,9 @@ out:
void kvm_arch_exit(void)
{
+ if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
+ cpufreq_unregister_notifier(&kvmclock_cpufreq_notifier_block,
+ CPUFREQ_TRANSITION_NOTIFIER);
kvm_x86_ops = NULL;
kvm_mmu_module_exit();
}
next reply other threads:[~2009-04-17 17:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-17 17:24 Jan Kiszka [this message]
2009-04-22 10:55 ` [PATCH] kvm: x86: Unregister cpufreq notifier on unload Avi Kivity
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