Re: [PATCH v2 0/3] Add support for frequency invariance to AMD EPYC Zen2

From: Giovanni Gherdovich
Date: Tue Nov 10 2020 - 15:10:28 EST


On Tue, 2020-11-10 at 19:30 +0100, Giovanni Gherdovich wrote:
> v1 at https://lore.kernel.org/lkml/20201110083936.31994-1-ggherdovich@xxxxxxx/
>
> Changes wrt v1:
>
> - made initialization safe under CPU hotplug.
> The function init_freq_invariance_cppc now lets only the first caller
> into init_freq_invariance().
>
> Giovanni Gherdovich (2):
> x86, sched: Use midpoint of max_boost and max_P for frequency
> invariance on AMD EPYC
> x86: Print ratio freq_max/freq_base used in frequency invariance
> calculations
>
> Nathan Fontenot (1):
> x86, sched: Calculate frequency invariance for AMD systems
>
> arch/x86/include/asm/topology.h | 8 ++++
> arch/x86/kernel/smpboot.c | 84 +++++++++++++++++++++++++++++++--
> drivers/acpi/cppc_acpi.c | 3 ++
> 3 files changed, 90 insertions(+), 5 deletions(-)
>

Hello,

I've sent a V3 at
https://lore.kernel.org/lkml/20201110200519.18180-1-ggherdovich@xxxxxxx/
which is slightly better than this V2.

Please ignore V2, the V3 submission is the most up-to-date.
Sorry for the noise.


Giovanni