[PATCH 2/3] kvmppc: add hypercall infrastructure - guest part v3
Hollis Blanchard
hollisb at us.ibm.com
Tue Oct 14 04:29:43 EST 2008
On Mon, 2008-10-13 at 11:42 -0500, Kumar Gala wrote:
> > +
> > +/* Hypercalls use the beat ABI */
> > +#define KVM_HYPERCALL_BIN 0x44000022
>
> Any reason this isn't 'sc' ?
>
> Also, can we make this "sc 1" so its works when we have HW hypervisor
> support?
Actually, it is "sc 1".
Many versions of as (including 2.16.1) don't recognize that instruction.
This is the standard workaround for situations like that.
--
Hollis Blanchard
IBM Linux Technology Center
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