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* [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset()
@ 2011-02-21  3:21 Lai Jiangshan
  2011-02-21  3:24 ` Lai Jiangshan
  2011-02-27 16:21 ` Avi Kivity
  0 siblings, 2 replies; 4+ messages in thread
From: Lai Jiangshan @ 2011-02-21  3:21 UTC (permalink / raw)
  To: kvm@vger.kernel.org, Avi Kivity, Marcelo Tosatti, Gleb Natapov


The hash array of async gfns may still contain some left gfns after
kvm_clear_async_pf_completion_queue() called, need to clear them.

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 17af71d..dae2d15 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -525,8 +525,10 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 
 	kvm_x86_ops->set_cr0(vcpu, cr0);
 
-	if ((cr0 ^ old_cr0) & X86_CR0_PG)
+	if ((cr0 ^ old_cr0) & X86_CR0_PG) {
 		kvm_clear_async_pf_completion_queue(vcpu);
+		kvm_async_pf_hash_reset(vcpu);
+	}
 
 	if ((cr0 ^ old_cr0) & update_bits)
 		kvm_mmu_reset_context(vcpu);

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset()
  2011-02-21  3:21 [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset() Lai Jiangshan
@ 2011-02-21  3:24 ` Lai Jiangshan
  2011-02-23 13:22   ` Gleb Natapov
  2011-02-27 16:21 ` Avi Kivity
  1 sibling, 1 reply; 4+ messages in thread
From: Lai Jiangshan @ 2011-02-21  3:24 UTC (permalink / raw)
  To: kvm@vger.kernel.org, Avi Kivity, Marcelo Tosatti, Gleb Natapov

On 02/21/2011 11:21 AM, Lai Jiangshan wrote:
> 
> The hash array of async gfns may still contain some left gfns after
> kvm_clear_async_pf_completion_queue() called, need to clear them.
> 

sorry.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>

> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 17af71d..dae2d15 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -525,8 +525,10 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
>  
>  	kvm_x86_ops->set_cr0(vcpu, cr0);
>  
> -	if ((cr0 ^ old_cr0) & X86_CR0_PG)
> +	if ((cr0 ^ old_cr0) & X86_CR0_PG) {
>  		kvm_clear_async_pf_completion_queue(vcpu);
> +		kvm_async_pf_hash_reset(vcpu);
> +	}
>  
>  	if ((cr0 ^ old_cr0) & update_bits)
>  		kvm_mmu_reset_context(vcpu);
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset()
  2011-02-21  3:24 ` Lai Jiangshan
@ 2011-02-23 13:22   ` Gleb Natapov
  0 siblings, 0 replies; 4+ messages in thread
From: Gleb Natapov @ 2011-02-23 13:22 UTC (permalink / raw)
  To: Lai Jiangshan; +Cc: kvm@vger.kernel.org, Avi Kivity, Marcelo Tosatti

On Mon, Feb 21, 2011 at 11:24:50AM +0800, Lai Jiangshan wrote:
> On 02/21/2011 11:21 AM, Lai Jiangshan wrote:
> > 
> > The hash array of async gfns may still contain some left gfns after
> > kvm_clear_async_pf_completion_queue() called, need to clear them.
> > 
> 
> sorry.
> 
> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
> 
Acked-by: Gleb Natapov <gleb@redhat.com>

> > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > index 17af71d..dae2d15 100644
> > --- a/arch/x86/kvm/x86.c
> > +++ b/arch/x86/kvm/x86.c
> > @@ -525,8 +525,10 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
> >  
> >  	kvm_x86_ops->set_cr0(vcpu, cr0);
> >  
> > -	if ((cr0 ^ old_cr0) & X86_CR0_PG)
> > +	if ((cr0 ^ old_cr0) & X86_CR0_PG) {
> >  		kvm_clear_async_pf_completion_queue(vcpu);
> > +		kvm_async_pf_hash_reset(vcpu);
> > +	}
> >  
> >  	if ((cr0 ^ old_cr0) & update_bits)
> >  		kvm_mmu_reset_context(vcpu);
> > --
> > To unsubscribe from this list: send the line "unsubscribe kvm" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > 

--
			Gleb.

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset()
  2011-02-21  3:21 [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset() Lai Jiangshan
  2011-02-21  3:24 ` Lai Jiangshan
@ 2011-02-27 16:21 ` Avi Kivity
  1 sibling, 0 replies; 4+ messages in thread
From: Avi Kivity @ 2011-02-27 16:21 UTC (permalink / raw)
  To: Lai Jiangshan; +Cc: kvm@vger.kernel.org, Marcelo Tosatti, Gleb Natapov

On 02/21/2011 05:21 AM, Lai Jiangshan wrote:
> The hash array of async gfns may still contain some left gfns after
> kvm_clear_async_pf_completion_queue() called, need to clear them.

Applied, thanks.

-- 
error compiling committee.c: too many arguments to function


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2011-02-27 16:21 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2011-02-21  3:21 [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset() Lai Jiangshan
2011-02-21  3:24 ` Lai Jiangshan
2011-02-23 13:22   ` Gleb Natapov
2011-02-27 16:21 ` Avi Kivity

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