From 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:20:03 +0200 Subject: i386/x86_64: move headers to include/asm-x86 Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- include/asm-i386/mmu_context.h | 86 ------------------------------------------ 1 file changed, 86 deletions(-) delete mode 100644 include/asm-i386/mmu_context.h (limited to 'include/asm-i386/mmu_context.h') diff --git a/include/asm-i386/mmu_context.h b/include/asm-i386/mmu_context.h deleted file mode 100644 index 7eb0b0b1fb3c..000000000000 --- a/include/asm-i386/mmu_context.h +++ /dev/null @@ -1,86 +0,0 @@ -#ifndef __I386_SCHED_H -#define __I386_SCHED_H - -#include -#include -#include -#include -#include -#ifndef CONFIG_PARAVIRT -#include - -static inline void paravirt_activate_mm(struct mm_struct *prev, - struct mm_struct *next) -{ -} -#endif /* !CONFIG_PARAVIRT */ - - -/* - * Used for LDT copy/destruction. - */ -int init_new_context(struct task_struct *tsk, struct mm_struct *mm); -void destroy_context(struct mm_struct *mm); - - -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) -{ -#ifdef CONFIG_SMP - unsigned cpu = smp_processor_id(); - if (per_cpu(cpu_tlbstate, cpu).state == TLBSTATE_OK) - per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_LAZY; -#endif -} - -void leave_mm(unsigned long cpu); - -static inline void switch_mm(struct mm_struct *prev, - struct mm_struct *next, - struct task_struct *tsk) -{ - int cpu = smp_processor_id(); - - if (likely(prev != next)) { - /* stop flush ipis for the previous mm */ - cpu_clear(cpu, prev->cpu_vm_mask); -#ifdef CONFIG_SMP - per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_OK; - per_cpu(cpu_tlbstate, cpu).active_mm = next; -#endif - cpu_set(cpu, next->cpu_vm_mask); - - /* Re-load page tables */ - load_cr3(next->pgd); - - /* - * load the LDT, if the LDT is different: - */ - if (unlikely(prev->context.ldt != next->context.ldt)) - load_LDT_nolock(&next->context); - } -#ifdef CONFIG_SMP - else { - per_cpu(cpu_tlbstate, cpu).state = TLBSTATE_OK; - BUG_ON(per_cpu(cpu_tlbstate, cpu).active_mm != next); - - if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) { - /* We were in lazy tlb mode and leave_mm disabled - * tlb flush IPI delivery. We must reload %cr3. - */ - load_cr3(next->pgd); - load_LDT_nolock(&next->context); - } - } -#endif -} - -#define deactivate_mm(tsk, mm) \ - asm("movl %0,%%gs": :"r" (0)); - -#define activate_mm(prev, next) \ - do { \ - paravirt_activate_mm(prev, next); \ - switch_mm((prev),(next),NULL); \ - } while(0); - -#endif -- cgit v1.2.1