arch/x86/include/asm/mpspec.h

Source file repositories/reference/linux-study-clean/arch/x86/include/asm/mpspec.h

File Facts

System
Linux kernel
Corpus path
arch/x86/include/asm/mpspec.h
Extension
.h
Size
1901 bytes
Lines
78
Domain
Architecture Layer
Bucket
arch/x86
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.

Dependency Surface

Detected Declarations

Annotated Snippet

static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
#define enable_update_mptable		0
#define mpparse_find_mptable		x86_init_noop
#define mpparse_parse_early_smp_config	x86_init_noop
#define mpparse_parse_smp_config	x86_init_noop
#endif

extern DECLARE_BITMAP(phys_cpu_present_map, MAX_LOCAL_APIC);

static inline void reset_phys_cpu_present_map(u32 apicid)
{
	bitmap_zero(phys_cpu_present_map, MAX_LOCAL_APIC);
	set_bit(apicid, phys_cpu_present_map);
}

static inline void copy_phys_cpu_present_map(unsigned long *dst)
{
	bitmap_copy(dst, phys_cpu_present_map, MAX_LOCAL_APIC);
}

#endif /* _ASM_X86_MPSPEC_H */

Annotation

Implementation Notes