diff options
| author | Yunhui Cui <cuiyunhui@bytedance.com> | 2025-09-23 09:54:09 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-22 08:10:57 +0200 |
| commit | 6d0ef68955d30be1e218caf160ec32eec23ebc6e (patch) | |
| tree | 1add07955881698debd04143db1deb089142bb2a /include | |
| parent | cebd22dd3a0ac76e0e1f2f369bba710bc6b1dc66 (diff) | |
arch_topology: move parse_acpi_topology() to common code
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/arch_topology.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index d72d6e5aa200..766ed9cf0e54 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -80,6 +80,11 @@ extern struct cpu_topology cpu_topology[NR_CPUS]; #define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) #define topology_cluster_cpumask(cpu) (&cpu_topology[cpu].cluster_sibling) #define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling) + +#ifndef arch_cpu_is_threaded +#define arch_cpu_is_threaded() (0) +#endif + void init_cpu_topology(void); void store_cpu_topology(unsigned int cpuid); const struct cpumask *cpu_coregroup_mask(int cpu); |