Re: [RFC PATCH 15/16] RISC-V: KVM: Add SBI v0.1 support

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On Mon, 2019-07-29 at 21:40 +0200, Paolo Bonzini wrote:
> On 29/07/19 13:57, Anup Patel wrote:
> > +	csr_write(CSR_HSTATUS, vcpu->arch.guest_context.hstatus |
> > HSTATUS_SPRV);
> > +	csr_write(CSR_SSTATUS, vcpu->arch.guest_context.sstatus);
> > +	val = *addr;
> 
> What happens if this load faults?
> 

It should redirect the trap back to VS mode. Currently, it is not
implemented. It is on the TO-DO list for future iteration of the
series.

Regards,
Atish
> Paolo





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