arch/loongarch/include/asm/irq_regs.h

File Facts

System

Linux kernel

Corpus path

arch/loongarch/include/asm/irq_regs.h

Extension

.h

Size

538 bytes

Lines

28

Domain

Architecture Layer

Bucket

arch/loongarch

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.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/thread_info.h

Detected Declarations

• function Copyright

Annotated Snippet

#ifndef __ASM_IRQ_REGS_H
#define __ASM_IRQ_REGS_H

#define ARCH_HAS_OWN_IRQ_REGS

#include <linux/thread_info.h>

static inline struct pt_regs *get_irq_regs(void)
{
	return current_thread_info()->regs;
}

static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
{
	struct pt_regs *old_regs;

	old_regs = get_irq_regs();
	current_thread_info()->regs = new_regs;

	return old_regs;
}

#endif /* __ASM_IRQ_REGS_H */

Annotation

• Immediate include surface: `linux/thread_info.h`.
• Detected declarations: `function Copyright`.
• Atlas domain: Architecture Layer / arch/loongarch.
• 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.