10 files changed, 19 insertions, 59 deletions

diff --git a/include/asm-um/irq.h b/include/asm-um/irq.h
index de389a477cd..4a2037f8204 100644
--- a/include/asm-um/irq.h
+++ b/include/asm-um/irq.h
@@ -15,8 +15,9 @@
 #define SIGIO_WRITE_IRQ         11
 #define TELNETD_IRQ             12
 #define XTERM_IRQ               13
+#define RANDOM_IRQ              14
 
-#define LAST_IRQ XTERM_IRQ
+#define LAST_IRQ RANDOM_IRQ
 #define NR_IRQS (LAST_IRQ + 1)
 
 #endif
diff --git a/include/asm-um/keyboard.h b/include/asm-um/keyboard.h
deleted file mode 100644
index ee2e2303d0e..00000000000
--- a/include/asm-um/keyboard.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_KEYBOARD_H
-#define __UM_KEYBOARD_H
-
-#include "asm/arch/keyboard.h"
-
-#endif
diff --git a/include/asm-um/kvm.h b/include/asm-um/kvm.h
deleted file mode 100644
index 66aa7709455..00000000000
--- a/include/asm-um/kvm.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __LINUX_KVM_UM_H
-#define __LINUX_KVM_UM_H
-
-/* um does not support KVM */
-
-#endif
diff --git a/include/asm-um/mmu_context.h b/include/asm-um/mmu_context.h
index 6686fc524ca..54f42e8b010 100644
--- a/include/asm-um/mmu_context.h
+++ b/include/asm-um/mmu_context.h
@@ -22,16 +22,10 @@ extern void force_flush_all(void);
 static inline void activate_mm(struct mm_struct *old, struct mm_struct *new)
 {
         /*
-         * This is called by fs/exec.c and fs/aio.c. In the first case, for an
-         * exec, we don't need to do anything as we're called from userspace
-         * and thus going to use a new host PID. In the second, we're called
-         * from a kernel thread, and thus need to go doing the mmap's on the
-         * host. Since they're very expensive, we want to avoid that as far as
-         * possible.
+         * This is called by fs/exec.c and sys_unshare()
+         * when the new ->mm is used for the first time.
          */
-        if (old != new && (current->flags & PF_BORROWED_MM))
-                __switch_mm(&new->context.id);
-
+        __switch_mm(&new->context.id);
         arch_dup_mmap(old, new);
 }
 
diff --git a/include/asm-um/namei.h b/include/asm-um/namei.h
deleted file mode 100644
index 002984d5bc8..00000000000
--- a/include/asm-um/namei.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_NAMEI_H
-#define __UM_NAMEI_H
-
-#include "asm/arch/namei.h"
-
-#endif
diff --git a/include/asm-um/page.h b/include/asm-um/page.h
index 381f96b1c82..a6df1f13d73 100644
--- a/include/asm-um/page.h
+++ b/include/asm-um/page.h
@@ -7,16 +7,20 @@
 #ifndef __UM_PAGE_H
 #define __UM_PAGE_H
 
-struct page;
-
-#include <linux/types.h>
-#include <asm/vm-flags.h>
+#include <linux/const.h>
 
 /* PAGE_SHIFT determines the page size */
 #define PAGE_SHIFT      12
-#define PAGE_SIZE       (1UL << PAGE_SHIFT)
+#define PAGE_SIZE       (_AC(1, UL) << PAGE_SHIFT)
 #define PAGE_MASK       (~(PAGE_SIZE-1))
 
+#ifndef __ASSEMBLY__
+
+struct page;
+
+#include <linux/types.h>
+#include <asm/vm-flags.h>
+
 /*
  * These are used to make use of C type-checking..
  */
@@ -88,9 +92,6 @@ typedef struct page *pgtable_t;
 #define __pgd(x) ((pgd_t) { (x) } )
 #define __pgprot(x)     ((pgprot_t) { (x) } )
 
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr)        (((addr)+PAGE_SIZE-1)&PAGE_MASK)
-
 extern unsigned long uml_physmem;
 
 #define PAGE_OFFSET (uml_physmem)
@@ -114,10 +115,8 @@ extern unsigned long uml_physmem;
 #define pfn_valid(pfn) ((pfn) < max_mapnr)
 #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
 
-extern struct page *arch_validate(struct page *page, gfp_t mask, int order);
-#define HAVE_ARCH_VALIDATE
-
 #include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
-#endif
+#endif  /* __ASSEMBLY__ */
+#endif  /* __UM_PAGE_H */
diff --git a/include/asm-um/param.h b/include/asm-um/param.h
index 4cd4a226f8c..e44f4e60d16 100644
--- a/include/asm-um/param.h
+++ b/include/asm-um/param.h
@@ -13,6 +13,8 @@
 #define HZ CONFIG_HZ
 #define USER_HZ 100        /* .. some user interfaces are in "ticks" */
 #define CLOCKS_PER_SEC (USER_HZ)  /* frequency at which times() counts */
+#else
+#define HZ 100
 #endif
 
 #endif
diff --git a/include/asm-um/ptrace-generic.h b/include/asm-um/ptrace-generic.h
index 6aefcd32fc6..315749705ea 100644
--- a/include/asm-um/ptrace-generic.h
+++ b/include/asm-um/ptrace-generic.h
@@ -47,9 +47,6 @@ extern int set_fpregs(struct user_i387_struct __user *buf,
 
 extern void show_regs(struct pt_regs *regs);
 
-extern void send_sigtrap(struct task_struct *tsk, struct uml_pt_regs *regs,
-                         int error_code);
-
 extern int arch_copy_tls(struct task_struct *new);
 extern void clear_flushed_tls(struct task_struct *task);
 
diff --git a/include/asm-um/semaphore.h b/include/asm-um/semaphore.h
deleted file mode 100644
index d9b2034ed1d..00000000000
--- a/include/asm-um/semaphore.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <linux/semaphore.h>
diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h
index 356b83e2c22..e07e72846c7 100644
--- a/include/asm-um/thread_info.h
+++ b/include/asm-um/thread_info.h
@@ -53,21 +53,7 @@ static inline struct thread_info *current_thread_info(void)
         return ti;
 }
 
-#ifdef CONFIG_DEBUG_STACK_USAGE
-
-#define alloc_thread_info(tsk) \
-        ((struct thread_info *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, \
-                                                 CONFIG_KERNEL_STACK_ORDER))
-#else
-
-/* thread information allocation */
-#define alloc_thread_info(tsk) \
-        ((struct thread_info *) __get_free_pages(GFP_KERNEL, \
-                                                 CONFIG_KERNEL_STACK_ORDER))
-#endif
-
-#define free_thread_info(ti) \
-        free_pages((unsigned long)(ti),CONFIG_KERNEL_STACK_ORDER)
+#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER
 
 #endif