RE: [Xen-ia64-devel] [PATCH] bug fix new_tlbflush_clock_period()

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

Isaku Yamahata write on 2007年2月5日 9:45:
> Hi Kouya.
> Good catch!
> Although this patch already commited and I made the bug,
> vti domain also relies on tlb flush lock.
> (See flush_vtlb_for_context_switch())
> 
> So we should do
>   if (!test_bit(_VCPUF_initialize))
>       continue
>   if (VMX_DOMAIN(v))
>       <flush all hash and collision chain of v>
>   else
>       vcpu_vhpt_flush()
> 
> Or
> 
>   disable the tlb flush clock usage in
> flush_vtlb_for_context_switch(). 
> 

Hi Isaku,

Why do we need to call vcpu_vhpt_flush?

IMO we only need to call __local_flush_tlb_all, if we use per-vcpu VHPT.

Can you elaborate it?

Thanks,
Anthony

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