uml: fold mmu_context_skas into mm_context
[linux-2.6.git] / arch / um / kernel / tlb.c
index 849922fcfb60058e360fc8c44dd1b365f897cd21..081baefb4c0d9d66c8b414c0a99d56a778bbc928 100644 (file)
@@ -14,8 +14,8 @@
 
 static int add_mmap(unsigned long virt, unsigned long phys, unsigned long len,
                    unsigned int prot, struct host_vm_op *ops, int *index,
-                   int last_filled, union mm_context *mmu, void **flush,
-                   int (*do_ops)(union mm_context *, struct host_vm_op *,
+                   int last_filled, struct mm_context *mmu, void **flush,
+                   int (*do_ops)(struct mm_context *, struct host_vm_op *,
                                  int, int, void **))
 {
        __u64 offset;
@@ -52,8 +52,8 @@ static int add_mmap(unsigned long virt, unsigned long phys, unsigned long len,
 
 static int add_munmap(unsigned long addr, unsigned long len,
                      struct host_vm_op *ops, int *index, int last_filled,
-                     union mm_context *mmu, void **flush,
-                     int (*do_ops)(union mm_context *, struct host_vm_op *,
+                     struct mm_context *mmu, void **flush,
+                     int (*do_ops)(struct mm_context *, struct host_vm_op *,
                                    int, int, void **))
 {
        struct host_vm_op *last;
@@ -82,8 +82,8 @@ static int add_munmap(unsigned long addr, unsigned long len,
 
 static int add_mprotect(unsigned long addr, unsigned long len,
                        unsigned int prot, struct host_vm_op *ops, int *index,
-                       int last_filled, union mm_context *mmu, void **flush,
-                       int (*do_ops)(union mm_context *, struct host_vm_op *,
+                       int last_filled, struct mm_context *mmu, void **flush,
+                       int (*do_ops)(struct mm_context *, struct host_vm_op *,
                                      int, int, void **))
 {
        struct host_vm_op *last;
@@ -117,8 +117,8 @@ static int add_mprotect(unsigned long addr, unsigned long len,
 static inline int update_pte_range(pmd_t *pmd, unsigned long addr,
                                   unsigned long end, struct host_vm_op *ops,
                                   int last_op, int *op_index, int force,
-                                  union mm_context *mmu, void **flush,
-                                  int (*do_ops)(union mm_context *,
+                                  struct mm_context *mmu, void **flush,
+                                  int (*do_ops)(struct mm_context *,
                                                 struct host_vm_op *, int, int,
                                                 void **))
 {
@@ -157,8 +157,8 @@ static inline int update_pte_range(pmd_t *pmd, unsigned long addr,
 static inline int update_pmd_range(pud_t *pud, unsigned long addr,
                                   unsigned long end, struct host_vm_op *ops,
                                   int last_op, int *op_index, int force,
-                                  union mm_context *mmu, void **flush,
-                                  int (*do_ops)(union mm_context *,
+                                  struct mm_context *mmu, void **flush,
+                                  int (*do_ops)(struct mm_context *,
                                                 struct host_vm_op *, int, int,
                                                 void **))
 {
@@ -187,8 +187,8 @@ static inline int update_pmd_range(pud_t *pud, unsigned long addr,
 static inline int update_pud_range(pgd_t *pgd, unsigned long addr,
                                   unsigned long end, struct host_vm_op *ops,
                                   int last_op, int *op_index, int force,
-                                  union mm_context *mmu, void **flush,
-                                  int (*do_ops)(union mm_context *,
+                                  struct mm_context *mmu, void **flush,
+                                  int (*do_ops)(struct mm_context *,
                                                 struct host_vm_op *, int, int,
                                                 void **))
 {
@@ -216,11 +216,11 @@ static inline int update_pud_range(pgd_t *pgd, unsigned long addr,
 
 void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
                      unsigned long end_addr, int force,
-                     int (*do_ops)(union mm_context *, struct host_vm_op *,
+                     int (*do_ops)(struct mm_context *, struct host_vm_op *,
                                    int, int, void **))
 {
        pgd_t *pgd;
-       union mm_context *mmu = &mm->context;
+       struct mm_context *mmu = &mm->context;
        struct host_vm_op ops[1];
        unsigned long addr = start_addr, next;
        int ret = 0, last_op = ARRAY_SIZE(ops) - 1, op_index = -1;
@@ -375,7 +375,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long address)
                w = 0;
        }
 
-       mm_id = &mm->context.skas.id;
+       mm_id = &mm->context.id;
        prot = ((r ? UM_PROT_READ : 0) | (w ? UM_PROT_WRITE : 0) |
                (x ? UM_PROT_EXEC : 0));
        if (pte_newpage(*pte)) {
@@ -453,7 +453,7 @@ void __flush_tlb_one(unsigned long addr)
        flush_tlb_kernel_range_common(addr, addr + PAGE_SIZE);
 }
 
-static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last,
+static int do_ops(struct mm_context *mmu, struct host_vm_op *ops, int last,
                  int finished, void **flush)
 {
        struct host_vm_op *op;
@@ -463,17 +463,16 @@ static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last,
        op = &ops[i];
                switch(op->type) {
                case MMAP:
-                       ret = map(&mmu->skas.id, op->u.mmap.addr,
-                                 op->u.mmap.len, op->u.mmap.prot,
-                                 op->u.mmap.fd, op->u.mmap.offset, finished,
-                                 flush);
+                       ret = map(&mmu->id, op->u.mmap.addr, op->u.mmap.len,
+                                 op->u.mmap.prot, op->u.mmap.fd,
+                                 op->u.mmap.offset, finished, flush);
                        break;
                case MUNMAP:
-                       ret = unmap(&mmu->skas.id, op->u.munmap.addr,
+                       ret = unmap(&mmu->id, op->u.munmap.addr,
                                    op->u.munmap.len, finished, flush);
                        break;
                case MPROTECT:
-                       ret = protect(&mmu->skas.id, op->u.mprotect.addr,
+                       ret = protect(&mmu->id, op->u.mprotect.addr,
                                      op->u.mprotect.len, op->u.mprotect.prot,
                                      finished, flush);
                        break;