On Wed, 2022-01-12 at 12:24 +0100, Joachim Wiberg wrote:
> From: Tobias Waldekranz <tob...@waldekranz.com>
>
> This means an idle guest won't needlessly consume an entire core on
> the host, waiting for work to show up.
>
> Signed-off-by: Tobias Waldekranz <tob...@waldekranz.com>
> Signed-off-by: Joachim Wiberg <troglo...@gmail.com>
> ---
> arch/powerpc/platforms/85xx/qemu_e500.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c
> b/arch/powerpc/platforms/85xx/qemu_e500.c
> index a4127b0b161f..4c4d577effd9 100644
> --- a/arch/powerpc/platforms/85xx/qemu_e500.c
> +++ b/arch/powerpc/platforms/85xx/qemu_e500.c
> @@ -67,4 +67,9 @@ define_machine(qemu_e500) {
> .get_irq = mpic_get_coreint_irq,
> .calibrate_decr = generic_calibrate_decr,
> .progress = udbg_progress,
> +#ifdef CONFIG_PPC64
> + .power_save = book3e_idle,
> +#else
> + .power_save = e500_idle,
> +#endif
> };
In the 32-bit case shouldn't this already be getting added by
setup_power_save()? Though I see corenet_generic.c doing the same thing...
-Scott
