Merge branch 'linus' into x86/threadinfo

5 files changed, 18 insertions, 22 deletions

diff --git a/include/asm-um/irq.h b/include/asm-um/irq.h
index de389a4..4a2037f 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 ee2e230..0000000
--- 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/mmu_context.h b/include/asm-um/mmu_context.h
index 6686fc5..54f42e8 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/page.h b/include/asm-um/page.h
index 381f96b..916e1a6 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..
  */
@@ -120,4 +124,5 @@ extern struct page *arch_validate(struct page *page, gfp_t mask, int order);
 #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 4cd4a22..e44f4e6 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