arch/sparc/kernel/cpumap.h

File Facts

System

Linux kernel

Corpus path

arch/sparc/kernel/cpumap.h

Extension

.h

Size

344 bytes

Lines

18

Domain

Architecture Layer

Bucket

arch/sparc

Inferred role

Architecture Layer: implementation source

Status

source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

• CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• function map_to_cpu

Annotated Snippet

#ifndef _CPUMAP_H
#define _CPUMAP_H

#ifdef CONFIG_SMP
void cpu_map_rebuild(void);
int map_to_cpu(unsigned int index);
#define cpu_map_init() cpu_map_rebuild()
#else
#define cpu_map_init() do {} while (0)
static inline int map_to_cpu(unsigned int index)
{
	return raw_smp_processor_id();
}
#endif

#endif

Annotation

• Detected declarations: `function map_to_cpu`.
• Atlas domain: Architecture Layer / arch/sparc.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.