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From: Avi Kivity <avi@redhat.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH 2/4] Rewrite twisted maze of if() statements with more straightforward switch()
Date: Mon, 30 Mar 2009 10:35:46 +0300	[thread overview]
Message-ID: <49D07652.30502@redhat.com> (raw)
In-Reply-To: <20090329141207.30481.33603.stgit@trex.usersys.redhat.com>

Gleb Natapov wrote:
> Signed-off-by: Gleb Natapov <gleb@redhat.com>
>   

This is actually not just a rewrite, but also a bugfix:

> INTR_INFO);
> @@ -3289,34 +3288,42 @@ static void vmx_complete_interrupts(struct vcpu_vmx *vmx)
>  		vmx->vnmi_blocked_time +=
>  			ktime_to_ns(ktime_sub(ktime_get(), vmx->entry_time));
>  
> +	vmx->vcpu.arch.nmi_injected = false;
> +	kvm_clear_exception_queue(&vmx->vcpu);
> +	kvm_clear_interrupt_queue(&vmx->vcpu);
> +
> +	if (!idtv_info_valid)
> +		return;
> +
>  	vector = idt_vectoring_info & VECTORING_INFO_VECTOR_MASK;
>  	type = idt_vectoring_info & VECTORING_INFO_TYPE_MASK;
> -	if (vmx->vcpu.arch.nmi_injected) {
> +	
> +	switch(type) {
> +	case INTR_TYPE_NMI_INTR:
> +		vmx->vcpu.arch.nmi_injected = true;
>  		/*
>   

The existing code would leave nmi_injected == false if we exit on 
NMI_INTR, so we drop an NMI here.



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


  reply	other threads:[~2009-03-30  7:35 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-29 14:12 [PATCH 1/4] Fix handling of a fault during NMI unblocked due to IRET Gleb Natapov
2009-03-29 14:12 ` [PATCH 2/4] Rewrite twisted maze of if() statements with more straightforward switch() Gleb Natapov
2009-03-30  7:35   ` Avi Kivity [this message]
2009-03-30 16:03     ` Jan Kiszka
2009-03-29 14:12 ` [PATCH 3/4] Do not zero idt_vectoring_info in vmx_complete_interrupts() Gleb Natapov
2009-03-29 14:12 ` [PATCH 4/4] Fix task switching Gleb Natapov
2009-03-30  7:39   ` Avi Kivity
2009-03-30 13:06     ` Gleb Natapov
2009-03-30 16:04   ` Jan Kiszka
2009-03-30 16:21     ` Gleb Natapov
2009-03-30 16:35       ` Jan Kiszka
2009-03-30 16:39         ` Gleb Natapov
2009-03-30 16:46         ` Gleb Natapov
2009-03-30 23:54           ` Julian Stecklina
2009-03-31  9:03     ` Kohl, Bernhard (NSN - DE/Munich)
2009-03-31 15:21       ` Kohl, Bernhard (NSN - DE/Munich)
2009-03-31 15:22         ` Gleb Natapov
2009-04-01  7:21           ` Jan Kiszka

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