* [PATCH] kvm x86: release time_page on vcpu destruction
@ 2009-02-25 15:08 Joerg Roedel
2009-02-25 16:13 ` Marcelo Tosatti
2009-02-26 9:54 ` Avi Kivity
0 siblings, 2 replies; 3+ messages in thread
From: Joerg Roedel @ 2009-02-25 15:08 UTC (permalink / raw)
To: Avi Kivity, Marcelo Tosatti
Cc: Gerd Hoffmann, Glauber de Oliveira Costa, kvm, linux-kernel,
Joerg Roedel
Not releasing the time_page causes a leak of that page or the compound
page it is situated in.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/kvm/x86.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8ca100a..a1ecec5 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4159,6 +4159,11 @@ EXPORT_SYMBOL_GPL(kvm_put_guest_fpu);
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
{
+ if (vcpu->arch.time_page) {
+ kvm_release_page_dirty(vcpu->arch.time_page);
+ vcpu->arch.time_page = NULL;
+ }
+
kvm_x86_ops->vcpu_free(vcpu);
}
--
1.5.6.4
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] kvm x86: release time_page on vcpu destruction
2009-02-25 15:08 [PATCH] kvm x86: release time_page on vcpu destruction Joerg Roedel
@ 2009-02-25 16:13 ` Marcelo Tosatti
2009-02-26 9:54 ` Avi Kivity
1 sibling, 0 replies; 3+ messages in thread
From: Marcelo Tosatti @ 2009-02-25 16:13 UTC (permalink / raw)
To: Joerg Roedel
Cc: Avi Kivity, Gerd Hoffmann, Glauber de Oliveira Costa, kvm,
linux-kernel
On Wed, Feb 25, 2009 at 04:08:31PM +0100, Joerg Roedel wrote:
> Not releasing the time_page causes a leak of that page or the compound
> page it is situated in.
>
> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
> ---
> arch/x86/kvm/x86.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 8ca100a..a1ecec5 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -4159,6 +4159,11 @@ EXPORT_SYMBOL_GPL(kvm_put_guest_fpu);
>
> void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
> {
> + if (vcpu->arch.time_page) {
> + kvm_release_page_dirty(vcpu->arch.time_page);
> + vcpu->arch.time_page = NULL;
> + }
> +
> kvm_x86_ops->vcpu_free(vcpu);
> }
Looks good.
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] kvm x86: release time_page on vcpu destruction
2009-02-25 15:08 [PATCH] kvm x86: release time_page on vcpu destruction Joerg Roedel
2009-02-25 16:13 ` Marcelo Tosatti
@ 2009-02-26 9:54 ` Avi Kivity
1 sibling, 0 replies; 3+ messages in thread
From: Avi Kivity @ 2009-02-26 9:54 UTC (permalink / raw)
To: Joerg Roedel
Cc: Marcelo Tosatti, Gerd Hoffmann, Glauber de Oliveira Costa, kvm,
linux-kernel
Joerg Roedel wrote:
> Not releasing the time_page causes a leak of that page or the compound
> page it is situated in.
>
Applied, thanks.
--
error compiling committee.c: too many arguments to function
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2009-02-26 9:54 UTC | newest]
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2009-02-25 15:08 [PATCH] kvm x86: release time_page on vcpu destruction Joerg Roedel
2009-02-25 16:13 ` Marcelo Tosatti
2009-02-26 9:54 ` Avi Kivity
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