uml: fold mmu_context_skas into mm_context
This patch folds mmu_context_skas into struct mm_context, changing all users
of these structures as needed.
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 25c5026..7c77ade 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -23,14 +23,14 @@
arch_flush_thread(¤t->thread.arch);
- ret = unmap(¤t->mm->context.skas.id, 0, end, 1, &data);
+ ret = unmap(¤t->mm->context.id, 0, end, 1, &data);
if (ret) {
printk(KERN_ERR "flush_thread - clearing address space failed, "
"err = %d\n", ret);
force_sig(SIGKILL, current);
}
- __switch_mm(¤t->mm->context.skas.id);
+ __switch_mm(¤t->mm->context.id);
}
void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 9d8eea4..04cebcf 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -25,7 +25,7 @@
if(p->mm == NULL)
continue;
- pid = p->mm->context.skas.id.u.pid;
+ pid = p->mm->context.id.u.pid;
os_kill_ptraced_process(pid, 1);
}
}
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index c5475ec..48c8c13 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -47,9 +47,9 @@
* destroy_context_skas.
*/
- mm->context.skas.last_page_table = pmd_page_vaddr(*pmd);
+ mm->context.last_page_table = pmd_page_vaddr(*pmd);
#ifdef CONFIG_3_LEVEL_PGTABLES
- mm->context.skas.last_pmd = (unsigned long) __va(pud_val(*pud));
+ mm->context.last_pmd = (unsigned long) __va(pud_val(*pud));
#endif
*pte = mk_pte(virt_to_page(kernel), __pgprot(_PAGE_PRESENT));
@@ -66,8 +66,8 @@
int init_new_context(struct task_struct *task, struct mm_struct *mm)
{
- struct mmu_context_skas *from_mm = NULL;
- struct mmu_context_skas *to_mm = &mm->context.skas;
+ struct mm_context *from_mm = NULL;
+ struct mm_context *to_mm = &mm->context;
unsigned long stack = 0;
int ret = -ENOMEM;
@@ -97,7 +97,7 @@
to_mm->id.stack = stack;
if (current->mm != NULL && current->mm != &init_mm)
- from_mm = ¤t->mm->context.skas;
+ from_mm = ¤t->mm->context;
if (proc_mm) {
ret = new_mm(stack);
@@ -133,7 +133,7 @@
void destroy_context(struct mm_struct *mm)
{
- struct mmu_context_skas *mmu = &mm->context.skas;
+ struct mm_context *mmu = &mm->context;
if (proc_mm)
os_close_file(mmu->id.u.mm_fd);
diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
index 9ce1c49..0297e63 100644
--- a/arch/um/kernel/skas/process.c
+++ b/arch/um/kernel/skas/process.c
@@ -65,5 +65,5 @@
if (current->mm == NULL)
return 0;
- return current->mm->context.skas.id.stack;
+ return current->mm->context.id.stack;
}
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index 849922f..081baef 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -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_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_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 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_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_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 @@
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 @@
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 @@
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 @@
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;