Re: [Xen-ia64-devel][PATCH] vcpu_get_psr fix

[Isaku Yamahata <yamahata@xxxxxxxxxxxxx>]

On Thu, Dec 21, 2006 at 01:13:45PM +0800, Xu, Anthony wrote:
> This is only used by __kernel_syscall_via_epc function in xeno domain. 
> previouly,  break 0x19(XEN_HYPER_GET_PSR) is the second
> Instruction in the bundle.
> 
> When I debugged the patch of remove the requirement (vpsr.ic==0) 
> fromhyperprivop.
> break 0x19 is the third instruction in the bundle, this causes dom0 can't 
> boot.
> This patch can resolve this.
> And this is correct emulation of mov from psr.

Could you elaborate?
I don't see why it causes booting trouble and masking vpsr resolves it.

-- 
yamahata

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