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authorAtish Patra <atish.patra@wdc.com>2019-06-27 21:52:58 +0200
committerPaul Walmsley <paul.walmsley@sifive.com>2019-07-22 18:36:06 +0200
commit60c1b220d8bc6baeaf837cd60f94a331b25c26bc (patch)
treee243571528700fb1c605f80b71c8a9f401fd83c8 /arch/arm64/include/asm/topology.h
parentdt-binding: cpu-topology: Move cpu-map to a common binding. (diff)
downloadlinux-60c1b220d8bc6baeaf837cd60f94a331b25c26bc.tar.xz
linux-60c1b220d8bc6baeaf837cd60f94a331b25c26bc.zip
cpu-topology: Move cpu topology code to common code.
Both RISC-V & ARM64 are using cpu-map device tree to describe their cpu topology. It's better to move the relevant code to a common place instead of duplicate code. To: Will Deacon <will.deacon@arm.com> To: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Atish Patra <atish.patra@wdc.com> [Tested on QDF2400] Tested-by: Jeffrey Hugo <jhugo@codeaurora.org> [Tested on Juno and other embedded platforms.] Tested-by: Sudeep Holla <sudeep.holla@arm.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Diffstat (limited to 'arch/arm64/include/asm/topology.h')
-rw-r--r--arch/arm64/include/asm/topology.h23
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h
index 0524f2438649..a4d945db95a2 100644
--- a/arch/arm64/include/asm/topology.h
+++ b/arch/arm64/include/asm/topology.h
@@ -4,29 +4,6 @@
#include <linux/cpumask.h>
-struct cpu_topology {
- int thread_id;
- int core_id;
- int package_id;
- int llc_id;
- cpumask_t thread_sibling;
- cpumask_t core_sibling;
- cpumask_t llc_sibling;
-};
-
-extern struct cpu_topology cpu_topology[NR_CPUS];
-
-#define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id)
-#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
-#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
-#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
-#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
-
-void init_cpu_topology(void);
-void store_cpu_topology(unsigned int cpuid);
-void remove_cpu_topology(unsigned int cpuid);
-const struct cpumask *cpu_coregroup_mask(int cpu);
-
#ifdef CONFIG_NUMA
struct pci_bus;