Re: [PATCH 07/20] qemu-kvm: Clean up kvm_update_interrupt_request

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On 2011-05-29 18:16, Avi Kivity wrote:
> On 05/27/2011 03:19 PM, Jan Kiszka wrote:
>> Most tests in kvm_update_interrupt_request are unneeded today:
>>   - env argument is always non-NULL (caller references it as well)
>>   - current_env must have been created when we get here
>>   - env->thread can't be zero (initialized early during cpu creation)
>>
>> So simply avoid self signaling and multiple kicks, drop the rest.
>>
> 
> Why must there be a current_env?
> 
> Although the logic you remove seems to be meaningless.  It folds back to
> the new code whether current_env is set or not.

Are you commenting on the removed code or on the new one now?

I assume to old complex current_env check was once added to work around
initialization ordering problems. I do not see them in the way qemu
starts up, but I also do not have a clear picture of the original issues
anymore.

Jan

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