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6d0ef68955
Currently, RISC-V lacks arch-specific registers for CPU topology properties and must get them from ACPI. Thus, parse_acpi_topology() is moved from arm64/ to drivers/ for RISC-V reuse. Signed-off-by: Yunhui Cui <cuiyunhui@bytedance.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://patch.msgid.link/20250923015409.15983-2-cuiyunhui@bytedance.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_TOPOLOGY_H
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#define __ASM_TOPOLOGY_H
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#include <linux/cpumask.h>
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#ifdef CONFIG_NUMA
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#include <asm/numa.h>
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struct pci_bus;
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int pcibus_to_node(struct pci_bus *bus);
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#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
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cpu_all_mask : \
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cpumask_of_node(pcibus_to_node(bus)))
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#endif /* CONFIG_NUMA */
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#include <linux/arch_topology.h>
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void update_freq_counters_refs(void);
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/* Replace task scheduler's default frequency-invariant accounting */
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#define arch_scale_freq_tick topology_scale_freq_tick
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#define arch_set_freq_scale topology_set_freq_scale
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#define arch_scale_freq_capacity topology_get_freq_scale
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#define arch_scale_freq_invariant topology_scale_freq_invariant
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#define arch_scale_freq_ref topology_get_freq_ref
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/* Replace task scheduler's default cpu-invariant accounting */
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#define arch_scale_cpu_capacity topology_get_cpu_scale
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/* Enable topology flag updates */
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#define arch_update_cpu_topology topology_update_cpu_topology
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/* Replace task scheduler's default HW pressure API */
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#define arch_scale_hw_pressure topology_get_hw_pressure
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#define arch_update_hw_pressure topology_update_hw_pressure
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#undef arch_cpu_is_threaded
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#define arch_cpu_is_threaded() (read_cpuid_mpidr() & MPIDR_MT_BITMASK)
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#include <asm-generic/topology.h>
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#endif /* _ASM_ARM_TOPOLOGY_H */
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