On Fri, Jan 12, 2018 at 01:16:22AM +1100, David Gibson wrote:
> On Fri, Jan 05, 2018 at 10:47:22PM -0200, Jose Ricardo Ziviani wrote:
> > Power9 supports 4 HW threads/core but it's possible to emulate
> > doorbells to implement virtual SMT. KVM has the KVM_CAP_PPC_SMT_POSSIBLE
> > which returns a b
On Fri, Jan 05, 2018 at 10:47:22PM -0200, Jose Ricardo Ziviani wrote:
> Power9 supports 4 HW threads/core but it's possible to emulate
> doorbells to implement virtual SMT. KVM has the KVM_CAP_PPC_SMT_POSSIBLE
> which returns a bitmap with all SMT modes supported by the host.
>
> Today, QEMU force
Power9 supports 4 HW threads/core but it's possible to emulate
doorbells to implement virtual SMT. KVM has the KVM_CAP_PPC_SMT_POSSIBLE
which returns a bitmap with all SMT modes supported by the host.
Today, QEMU forces the SMT mode based on PVR compat table, this is
silently done in spapr_fixup_c