Re: [Qemu-devel] [PATCH 07/12] spapr-rtas: add CPU argument to RTAS calls

[Alexander Graf]

On 19.06.2013, at 22:40, Anthony Liguori wrote:

> RTAS is a hypervisor provided binary blob that a guest loads and
> calls into to execute certain functions.  It's similar to the
> vsyscall page in Linux or the short lived VMCI paravirt interface
> from VMware.
> 
> The QEMU implementation of the RTAS blob is simply a passthrough
> that proxies all RTAS calls to the hypervisor via an hypercall.
> 
> While we pass a CPU argument for hypercall handling in QEMU, we
> don't pass it for RTAS calls.  Since some RTAs calls require
> making hypercalls (normally RTAS is implemented as guest code) we
> have nasty hacks to allow that.
> 
> Add a CPU argument to RTAS call handling so we can more easily
> invoke hypercalls just as guest code would.
> 
> Signed-off-by: Anthony Liguori <address@hidden>

Thanks, applied to ppc-next.


Alex