void flush_tlb_range_skas(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
if(vma->vm_mm == NULL)
flush_tlb_kernel_range_common(start, end);
else fix_range(vma->vm_mm, start, end, 0);
}
void flush_tlb_mm_tt(struct mm_struct *mm)
{
unsigned long seq;
if(mm != current->mm) return;
fix_range(mm, 0, STACK_TOP, 0);
seq = atomic_read(&vmchange_seq);
if(current->thread.mode.tt.vm_seq == seq)
return;
current->thread.mode.tt.vm_seq = seq;
flush_tlb_kernel_range_common(start_vm, end_vm);
}
void flush_tlb_range_tt(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
if(vma->vm_mm != current->mm) return;
/* Assumes that the range start ... end is entirely within
* either process memory or kernel vm
*/
if((start >= start_vm) && (start < end_vm)){
if(flush_tlb_kernel_range_common(start, end))
atomic_inc(&vmchange_seq);
}
else fix_range(vma->vm_mm, start, end, 0);
}
void __flush_tlb_one_skas(unsigned long addr)
{
flush_tlb_kernel_range_common(addr, addr + PAGE_SIZE);
}
void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end)
{
if(flush_tlb_kernel_range_common(start, end))
atomic_inc(&vmchange_seq);
}
void force_flush_all_tt(void)
{
fix_range(current->mm, 0, STACK_TOP, 1);
flush_tlb_kernel_range_common(start_vm, end_vm);
}
