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

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Mon, Feb 05, 2007 at 11:47:28AM +0800, Xu, Anthony wrote:
> Isaku Yamahata write on 2007年2月5日 11:43:
> > On Mon, Feb 05, 2007 at 11:34:59AM +0800, Xu, Anthony wrote:
> >> Before calling local_vhpt_flush,
> >> We need to make sure it is not VTI-domain and it is not per-VCPU
> >> VHPT, 
> > 
> > local_vhpt_flush() always flushes vhpt associated to pcpu. not vcpu.
> 
> If HAS_PERVCPU_VHPT(current->domain) is true, or VMX_DOMAIN (current) is true.
> 
> Vhpt_paddr may be 0,
> So It erases 64KB memory content that starts from machine address 0.

vhpt_init() initializes vhpt_paddr at xen boot time.

-- 
yamahata

_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel