Re: [PATCH] deal with interrupt shadow state for emulatedinstruction

[Glauber Costa]

On Wed, May 06, 2009 at 01:51:04PM +0300, Avi Kivity wrote:
> Gleb Natapov wrote:
>> On Tue, May 05, 2009 at 02:40:11PM -0400, Glauber Costa wrote:
>>   
>>> diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
>>> index 8e680c3..a49d07b 100644
>>> --- a/arch/x86/include/asm/kvm_host.h
>>> +++ b/arch/x86/include/asm/kvm_host.h
>>> @@ -510,6 +510,8 @@ struct kvm_x86_ops {
>>>  	void (*run)(struct kvm_vcpu *vcpu, struct kvm_run *run);
>>>  	int (*handle_exit)(struct kvm_run *run, struct kvm_vcpu *vcpu);
>>>  	void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
>>> +	void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask);
>>>     
>> There is .drop_interrupt_shadow() callback. The patch should remove it and
>> replace its use by set_interrupt_shadow().
>>   
>
> That would be [PATCH 1/2].
[PATCH 2/2]. Otherwise we will break bisectability, as the pure removal of this
function would lead us to a non-functioning kernel for no reason.

Avi: if this patch is okay, please apply. I'll send another one later that replaces
the existing .drop_interrupt_shadow by the (then) in tree set_interrupt_shadow.


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