Merge branch 'linus' into perf/urgent

Merge back Linus's latest branch so that we pick up the uprobes changes.

( I tested this branch locally and while it's one from the middle of the
  merge window it's a good one to base further work off. )

Signed-off-by: Ingo Molnar <mingo@kernel.org>

8 files changed, 25 insertions, 82 deletions

diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild
index 2c2e38821f60..67f83e0a0d68 100644
--- a/arch/sparc/include/asm/Kbuild
+++ b/arch/sparc/include/asm/Kbuild
@@ -21,3 +21,4 @@ generic-y += div64.h
 generic-y += local64.h
 generic-y += irq_regs.h
 generic-y += local.h
+generic-y += word-at-a-time.h
diff --git a/arch/sparc/include/asm/gpio.h b/arch/sparc/include/asm/gpio.h
index a0e3ac0af599..b3799d88ffcf 100644
--- a/arch/sparc/include/asm/gpio.h
+++ b/arch/sparc/include/asm/gpio.h
@@ -1,36 +1,4 @@
-#ifndef __ASM_SPARC_GPIO_H
-#define __ASM_SPARC_GPIO_H
-
-#include <linux/errno.h>
-#include <asm-generic/gpio.h>
-
-#ifdef CONFIG_GPIOLIB
-
-static inline int gpio_get_value(unsigned int gpio)
-{
-	return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int value)
-{
-	__gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
-	return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
-	return -ENOSYS;
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
-	return -EINVAL;
-}
-
-#endif /* CONFIG_GPIOLIB */
-
-#endif /* __ASM_SPARC_GPIO_H */
+#ifndef __LINUX_GPIO_H
+#warning Include linux/gpio.h instead of asm/gpio.h
+#include <linux/gpio.h>
+#endif
diff --git a/arch/sparc/include/asm/kvm_para.h b/arch/sparc/include/asm/kvm_para.h
new file mode 100644
index 000000000000..14fab8f0b957
--- /dev/null
+++ b/arch/sparc/include/asm/kvm_para.h
@@ -0,0 +1 @@
+#include <asm-generic/kvm_para.h>
diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index 67df5cc10011..4e5a483122a0 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -42,7 +42,9 @@
 #define TASK_SIZE_OF(tsk) \
 	(test_tsk_thread_flag(tsk,TIF_32BIT) ? \
 	 (1UL << 32UL) : ((unsigned long)-VPTE_SIZE))
-#define TASK_SIZE	TASK_SIZE_OF(current)
+#define TASK_SIZE \
+	(test_thread_flag(TIF_32BIT) ? \
+	 (1UL << 32UL) : ((unsigned long)-VPTE_SIZE))
 #ifdef __KERNEL__
 
 #define STACK_TOP32	((1UL << 32UL) - PAGE_SIZE)
diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h
index 21a38946541d..5af664932452 100644
--- a/arch/sparc/include/asm/thread_info_32.h
+++ b/arch/sparc/include/asm/thread_info_32.h
@@ -77,18 +77,11 @@ register struct thread_info *current_thread_info_reg asm("g6");
 /*
  * thread information allocation
  */
-#define THREAD_INFO_ORDER  1
-
-struct thread_info * alloc_thread_info_node(struct task_struct *tsk, int node);
-void free_thread_info(struct thread_info *);
+#define THREAD_SIZE_ORDER  1
 
 #endif /* __ASSEMBLY__ */
 
-/*
- * Size of kernel stack for each process.
- * Observe the order of get_free_pages() in alloc_thread_info_node().
- * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste.
- */
+/* Size of kernel stack for each process */
 #define THREAD_SIZE		(2 * PAGE_SIZE)
 
 /*
diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
index e88fbe5c0457..0167d26d0d1d 100644
--- a/arch/sparc/include/asm/uaccess.h
+++ b/arch/sparc/include/asm/uaccess.h
@@ -5,4 +5,10 @@
 #else
 #include <asm/uaccess_32.h>
 #endif
+
+#define user_addr_max() \
+	(segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
+
+extern long strncpy_from_user(char *dest, const char __user *src, long count);
+
 #endif
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index d50c310f5d38..53a28dd59f59 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -16,6 +16,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/processor.h>
+
 #define ARCH_HAS_SORT_EXTABLE
 #define ARCH_HAS_SEARCH_EXTABLE
 
@@ -304,34 +306,8 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n)
 		return n;
 }
 
-extern long __strncpy_from_user(char *dest, const char __user *src, long count);
-
-static inline long strncpy_from_user(char *dest, const char __user *src, long count)
-{
-	if (__access_ok((unsigned long) src, count))
-		return __strncpy_from_user(dest, src, count);
-	else
-		return -EFAULT;
-}
-
-extern long __strlen_user(const char __user *);
-extern long __strnlen_user(const char __user *, long len);
-
-static inline long strlen_user(const char __user *str)
-{
-	if (!access_ok(VERIFY_READ, str, 0))
-		return 0;
-	else
-		return __strlen_user(str);
-}
-
-static inline long strnlen_user(const char __user *str, long len)
-{
-	if (!access_ok(VERIFY_READ, str, 0))
-		return 0;
-	else
-		return __strnlen_user(str, len);
-}
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
 
 #endif  /* __ASSEMBLY__ */
 
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index a1091afb8831..7c831d848b4e 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -17,6 +17,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <asm/processor.h>
+
 /*
  * Sparc64 is segmented, though more like the M68K than the I386.
  * We use the secondary ASI to address user memory, which references a
@@ -257,15 +259,9 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long);
 
 #define clear_user __clear_user
 
-extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count);
-
-#define strncpy_from_user __strncpy_from_user
-
-extern long __strlen_user(const char __user *);
-extern long __strnlen_user(const char __user *, long len);
+extern __must_check long strlen_user(const char __user *str);
+extern __must_check long strnlen_user(const char __user *str, long n);
 
-#define strlen_user __strlen_user
-#define strnlen_user __strnlen_user
 #define __copy_to_user_inatomic ___copy_to_user
 #define __copy_from_user_inatomic ___copy_from_user