Re: [Qemu-devel] [RFC PATCH V6 15/18] cpu: introduce tlb_flush*_all.

[Paolo Bonzini]

On 26/06/2015 18:30, Frederic Konrad wrote:
> Yes this is not the case as I implemented it.
> 
> The rest of the TB will be executed before the tlb_flush work really 
> happen. The old version did this, was slow and was a mess (if two
> VCPUs want to tlb_flush at the same time and an other
> tlb_flush_page.. it becomes tricky..)

Have you tried implementing the solution based on cpu->halted?

> I think it's not really terrible if the other VCPU execute some
> stuff before doing the tlb_flush.? So the solution would be only to
> cut the TranslationBlock after instruction which require a
> tlb_flush?

Yes, this is required too.

Paolo