xref: /linux/arch/x86/include/asm/pgtable_areas.h (revision 906fd46a65383cd639e5eec72a047efc33045d86)
1 #ifndef _ASM_X86_PGTABLE_AREAS_H
2 #define _ASM_X86_PGTABLE_AREAS_H
3 
4 #ifdef CONFIG_X86_32
5 # include <asm/pgtable_32_areas.h>
6 #endif
7 
8 /* Single page reserved for the readonly IDT mapping: */
9 #define CPU_ENTRY_AREA_RO_IDT		CPU_ENTRY_AREA_BASE
10 #define CPU_ENTRY_AREA_PER_CPU		(CPU_ENTRY_AREA_RO_IDT + PAGE_SIZE)
11 
12 #define CPU_ENTRY_AREA_RO_IDT_VADDR	((void *)CPU_ENTRY_AREA_RO_IDT)
13 
14 #ifdef CONFIG_X86_32
15 #define CPU_ENTRY_AREA_MAP_SIZE		(CPU_ENTRY_AREA_PER_CPU +		\
16 					 (CPU_ENTRY_AREA_SIZE * NR_CPUS) -	\
17 					 CPU_ENTRY_AREA_BASE)
18 #else
19 #define CPU_ENTRY_AREA_MAP_SIZE		P4D_SIZE
20 #endif
21 
22 #endif /* _ASM_X86_PGTABLE_AREAS_H */
23