Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / include / asm-x86_64 / mmu_context.h
index b630d52..19f0c83 100644 (file)
 int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
 void destroy_context(struct mm_struct *mm);
 
-#ifdef CONFIG_SMP
-
 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
+#ifdef CONFIG_SMP
        if (read_pda(mmu_state) == TLBSTATE_OK) 
                write_pda(mmu_state, TLBSTATE_LAZY);
-}
-#else
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
 #endif
+}
 
 static inline void load_cr3(pgd_t *pgd)
 {
@@ -39,12 +34,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
        unsigned cpu = smp_processor_id();
        if (likely(prev != next)) {
                /* stop flush ipis for the previous mm */
-               clear_bit(cpu, &prev->cpu_vm_mask);
+               cpu_clear(cpu, prev->cpu_vm_mask);
 #ifdef CONFIG_SMP
                write_pda(mmu_state, TLBSTATE_OK);
                write_pda(active_mm, next);
 #endif
-               set_bit(cpu, &next->cpu_vm_mask);
+               cpu_set(cpu, next->cpu_vm_mask);
                load_cr3(next->pgd);
 
                if (unlikely(next->context.ldt != prev->context.ldt)) 
@@ -55,7 +50,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
                write_pda(mmu_state, TLBSTATE_OK);
                if (read_pda(active_mm) != next)
                        out_of_line_bug();
-               if(!test_and_set_bit(cpu, &next->cpu_vm_mask)) {
+               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
                         * to make sure to use no freed page tables.