Vincent Guittot 46db6d4797 sched/topology: Add a new arch_scale_freq_ref() method ... commit 9942cb22ea upstream. Create a new method to get a unique and fixed max frequency. Currently cpuinfo.max_freq or the highest (or last) state of performance domain are used as the max frequency when computing the frequency for a level of utilization, but: - cpuinfo_max_freq can change at runtime. boost is one example of such change. - cpuinfo.max_freq and last item of the PD can be different leading to different results between cpufreq and energy model. We need to save the reference frequency that has been used when computing the CPUs capacity and use this fixed and coherent value to convert between frequency and CPU's capacity. In fact, we already save the frequency that has been used when computing the capacity of each CPU. We extend the precision to save kHz instead of MHz currently and we modify the type to be aligned with other variables used when converting frequency to capacity and the other way. [ mingo: Minor edits. ] Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Tested-by: Lukasz Luba <lukasz.luba@arm.com> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20231211104855.558096-2-vincent.guittot@linaro.org Stable-dep-of: e37617c8e5 ("sched/fair: Fix frequency selection for non-invariant case") Signed-off-by: Wentao Guan <guanwentao@uniontech.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2025-08-28 16:28:42 +02:00
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boot	riscv: dts: starfive: Fix a typo in StarFive JH7110 pin function definitions	2025-03-28 21:59:54 +01:00
configs
errata	RISC-V: errata: Use medany for relocatable builds	2025-04-10 14:37:39 +02:00
include	sched/topology: Add a new arch_scale_freq_ref() method	2025-08-28 16:28:42 +02:00
kernel	riscv: Pass patch_text() the length in bytes	2025-05-09 09:44:03 +02:00
kvm	RISC-V: KVM: Don't treat SBI HFENCE calls as NOPs	2025-06-27 11:09:04 +01:00
lib
mm	riscv: Fix hugetlb retrieval of number of ptes in case of !present pte	2025-04-10 14:37:39 +02:00
net	riscv: Pass patch_text() the length in bytes	2025-05-09 09:44:03 +02:00
purgatory	riscv/purgatory: align riscv_kernel_entry	2024-11-14 13:19:38 +01:00
tools
Kbuild
Kconfig
Kconfig.debug
Kconfig.errata
Kconfig.socs
Makefile
Makefile.postlink