Embedded.Hypervisor category defines GSPRG0..3 physical registers for guests.
Avoid SPRG4-7 usage as scratch in host exception handlers, otherwise guest
SPRG4-7 registers will be clobbered.
For bolted TLB miss exception handlers, which is the version currently
supported by KVM, use SPRN_SPRG_GEN_SC
On Mon, 2012-06-25 at 15:26 +0300, Mihai Caraman wrote:
> Embedded.Hypervisor category defines GSPRG0..3 physical registers for guests.
> Avoid SPRG4-7 usage as scratch in host exception handlers, otherwise guest
> SPRG4-7 registers will be clobbered.
> For bolted TLB miss exception handlers, which
On 06/25/2012 07:26 AM, Mihai Caraman wrote:
> Embedded.Hypervisor category defines GSPRG0..3 physical registers for guests.
> Avoid SPRG4-7 usage as scratch in host exception handlers, otherwise guest
> SPRG4-7 registers will be clobbered.
> For bolted TLB miss exception handlers, which is the ver
g; Anton Blanchard
> Subject: Re: [RFC PATCH 13/17] PowerPC: booke64: Use SPRG0/3 scratch for
> bolted TLB miss & crit int
>
> On Mon, 2012-06-25 at 15:26 +0300, Mihai Caraman wrote:
> > Embedded.Hypervisor category defines GSPRG0..3 physical registers for
> guests.
> >
