diff options
Diffstat (limited to 'include/asm-x86/desc_32.h')
| -rw-r--r-- | include/asm-x86/desc_32.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/include/asm-x86/desc_32.h b/include/asm-x86/desc_32.h index 14238df87c7..01415ad35fd 100644 --- a/include/asm-x86/desc_32.h +++ b/include/asm-x86/desc_32.h @@ -11,8 +11,6 @@ #include <linux/smp.h> #include <linux/percpu.h> -#include <asm/mmu.h> - struct gdt_page { struct desc_struct gdt[GDT_ENTRIES]; @@ -24,8 +22,6 @@ static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) return per_cpu(gdt_page, cpu).gdt; } -extern struct desc_ptr idt_descr; -extern gate_desc idt_table[]; extern void set_intr_gate(unsigned int irq, void * addr); static inline void pack_descriptor(struct desc_struct *desc, @@ -172,36 +168,6 @@ static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, const vo #define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr) -#define LDT_empty(info) (\ - (info)->base_addr == 0 && \ - (info)->limit == 0 && \ - (info)->contents == 0 && \ - (info)->read_exec_only == 1 && \ - (info)->seg_32bit == 0 && \ - (info)->limit_in_pages == 0 && \ - (info)->seg_not_present == 1 && \ - (info)->useable == 0 ) - -static inline void clear_LDT(void) -{ - set_ldt(NULL, 0); -} - -/* - * load one particular LDT into the current CPU - */ -static inline void load_LDT_nolock(mm_context_t *pc) -{ - set_ldt(pc->ldt, pc->size); -} - -static inline void load_LDT(mm_context_t *pc) -{ - preempt_disable(); - load_LDT_nolock(pc); - preempt_enable(); -} - static inline unsigned long get_desc_base(unsigned long *desc) { unsigned long base; @@ -210,30 +176,6 @@ static inline unsigned long get_desc_base(unsigned long *desc) (desc[1] & 0xff000000); return base; } - -#else /* __ASSEMBLY__ */ - -/* - * GET_DESC_BASE reads the descriptor base of the specified segment. - * - * Args: - * idx - descriptor index - * gdt - GDT pointer - * base - 32bit register to which the base will be written - * lo_w - lo word of the "base" register - * lo_b - lo byte of the "base" register - * hi_b - hi byte of the low word of the "base" register - * - * Example: - * GET_DESC_BASE(GDT_ENTRY_ESPFIX_SS, %ebx, %eax, %ax, %al, %ah) - * Will read the base address of GDT_ENTRY_ESPFIX_SS and put it into %eax. - */ -#define GET_DESC_BASE(idx, gdt, base, lo_w, lo_b, hi_b) \ - movb idx*8+4(gdt), lo_b; \ - movb idx*8+7(gdt), hi_b; \ - shll $16, base; \ - movw idx*8+2(gdt), lo_w; - #endif /* !__ASSEMBLY__ */ #endif |