Claudio Carvalho writes:
> In ultravisor enabled systems, PTCR becomes ultravisor privileged only
> for writing and an attempt to write to it will cause a Hypervisor
> Emulation Assitance interrupt.
>
> This patch adds the try_set_ptcr(val) macro as an accessor to
> mtspr(SPRN_PTCR, val), which wi
In ultravisor enabled systems, PTCR becomes ultravisor privileged only
for writing and an attempt to write to it will cause a Hypervisor
Emulation Assitance interrupt.
This patch adds the try_set_ptcr(val) macro as an accessor to
mtspr(SPRN_PTCR, val), which will be executed only if ultravisor
dis