[v3,0/1] AMD EPYC: fix schedutil perf regression (freq-invariance)
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Message ID 20210203135321.12253-1-ggherdovich@suse.cz
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  • AMD EPYC: fix schedutil perf regression (freq-invariance)
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Giovanni Gherdovich Feb. 3, 2021, 1:53 p.m. UTC
v2 at https://lore.kernel.org/lkml/20210122204038.3238-1-ggherdovich@suse.cz

Changes wrt v2:

- removed redundant "#ifdef CONFIG_ACPI_CPPC_LIB"

Giovanni Gherdovich (1):
  x86,sched: On AMD EPYC set freq_max = max_boost in schedutil invariant
    formula

 drivers/cpufreq/acpi-cpufreq.c   | 61 ++++++++++++++++++++++++++++++--
 drivers/cpufreq/cpufreq.c        |  3 ++
 include/linux/cpufreq.h          |  5 +++
 kernel/sched/cpufreq_schedutil.c |  8 +++--
 4 files changed, 73 insertions(+), 4 deletions(-)