Re: [Xen-devel] [PATCH] arm: restore ELR_hyp and SPSR_hyp on return from hypervisor to hypervisor.

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2012-02-22 at 14:23 +0000, Stefano Stabellini wrote:
> On Mon, 20 Feb 2012, Ian Campbell wrote:
> > This is necessary to handle nested traps to the hypervisor more than one 
> > deep.
> > 
> > I've not seen an actually failure relating to this but I'm not quite sure 
> > how
> > we've managed to get away with not doing it (I suppose multiply nested traps
> > are uncommon).
> 
> ack

Thanks, I have committed both patches from this thread:
        arm: restore ELR_hyp and SPSR_hyp on return from hypervisor to 
hypervisor.
        arm: lr register in hyp mode is really LR_usr.

Ian.



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