Re: [Qemu-devel] [PATCH v2 11/15] ppc/pnv: POWER9 XSCOM quad support

2019-03-07 Thread David Gibson
On Thu, Mar 07, 2019 at 11:35:44PM +0100, Cédric Le Goater wrote: > The POWER9 processor does not support per-core frequency control. The > cores are arranged in groups of four, along with their respective L2 > and L3 caches, into a structure known as a Quad. The frequency must be > managed at the

[Qemu-devel] [PATCH v2 11/15] ppc/pnv: POWER9 XSCOM quad support

2019-03-07 Thread Cédric Le Goater
The POWER9 processor does not support per-core frequency control. The cores are arranged in groups of four, along with their respective L2 and L3 caches, into a structure known as a Quad. The frequency must be managed at the Quad level. Provide a basic Quad model to fake the settings done by the f