arch/s390/include/asm/stackprotector.h

File Facts

System

Linux kernel

Corpus path

arch/s390/include/asm/stackprotector.h

Extension

.h

Size

389 bytes

Lines

17

Domain

Architecture Layer

Bucket

arch/s390

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

• linux/sched.h
• asm/current.h
• asm/lowcore.h

Detected Declarations

• function boot_init_stack_canary

Annotated Snippet

#ifndef _ASM_S390_STACKPROTECTOR_H
#define _ASM_S390_STACKPROTECTOR_H

#include <linux/sched.h>
#include <asm/current.h>
#include <asm/lowcore.h>

static __always_inline void boot_init_stack_canary(void)
{
	current->stack_canary = get_random_canary();
	get_lowcore()->stack_canary = current->stack_canary;
}

#endif /* _ASM_S390_STACKPROTECTOR_H */

Annotation

• Immediate include surface: `linux/sched.h`, `asm/current.h`, `asm/lowcore.h`.
• Detected declarations: `function boot_init_stack_canary`.
• Atlas domain: Architecture Layer / arch/s390.
• 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.