Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest

15 files changed, 73 insertions, 91 deletions

diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index 7ebd955460d9..0f553bc009a0 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -84,12 +84,13 @@ do { \
 #define flush_dcache_mmap_lock(mapping)		do { } while (0)
 #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
 
-
 #define flush_cache_dup_mm(mm)				do { } while (0)
 #define flush_cache_vmap(start, end)			do { } while (0)
 #define flush_cache_vunmap(start, end)			do { } while (0)
 #define flush_cache_mm(mm)			do { } while (0)
-#define flush_cache_page(vma, vmaddr, pfn)	do { } while (0)
+
+#define flush_cache_page(vma, vmaddr, pfn) \
+	flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE);
 
 /* MS: kgdb code use this macro, wrong len with FLASH */
 #if 0
@@ -104,9 +105,13 @@ do { \
 #define copy_to_user_page(vma, page, vaddr, dst, src, len)		\
 do {									\
 	u32 addr = virt_to_phys(dst);					\
-	invalidate_icache_range((unsigned) (addr), (unsigned) (addr) + (len));\
 	memcpy((dst), (src), (len));					\
-	flush_dcache_range((unsigned) (addr), (unsigned) (addr) + (len));\
+	if (vma->vm_flags & VM_EXEC) {					\
+		invalidate_icache_range((unsigned) (addr),		\
+					(unsigned) (addr) + PAGE_SIZE);	\
+		flush_dcache_range((unsigned) (addr),			\
+					(unsigned) (addr) + PAGE_SIZE);	\
+	}								\
 } while (0)
 
 #define copy_from_user_page(vma, page, vaddr, dst, src, len)		\
diff --git a/arch/microblaze/include/asm/cpuinfo.h b/arch/microblaze/include/asm/cpuinfo.h
index cd257537ae54..d8f013347a9e 100644
--- a/arch/microblaze/include/asm/cpuinfo.h
+++ b/arch/microblaze/include/asm/cpuinfo.h
@@ -96,8 +96,8 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu);
 
 static inline unsigned int fcpu(struct device_node *cpu, char *n)
 {
-	int *val;
-	return (val = (int *) of_get_property(cpu, n, NULL)) ?
+	const __be32 *val;
+	return (val = of_get_property(cpu, n, NULL)) ?
 							be32_to_cpup(val) : 0;
 }
 
diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h
index ec89f2ad0fe1..af0144b91b79 100644
--- a/arch/microblaze/include/asm/entry.h
+++ b/arch/microblaze/include/asm/entry.h
@@ -31,40 +31,4 @@ DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
 DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
 # endif /* __ASSEMBLY__ */
 
-#ifndef CONFIG_MMU
-
-/* noMMU hasn't any space for args */
-# define STATE_SAVE_ARG_SPACE	(0)
-
-#else /* CONFIG_MMU */
-
-/* If true, system calls save and restore all registers (except result
- * registers, of course).  If false, then `call clobbered' registers
- * will not be preserved, on the theory that system calls are basically
- * function calls anyway, and the caller should be able to deal with it.
- * This is a security risk, of course, as `internal' values may leak out
- * after a system call, but that certainly doesn't matter very much for
- * a processor with no MMU protection!  For a protected-mode kernel, it
- * would be faster to just zero those registers before returning.
- *
- * I can not rely on the glibc implementation. If you turn it off make
- * sure that r11/r12 is saved in user-space. --KAA
- *
- * These are special variables using by the kernel trap/interrupt code
- * to save registers in, at a time when there are no spare registers we
- * can use to do so, and we can't depend on the value of the stack
- * pointer.  This means that they must be within a signed 16-bit
- * displacement of 0x00000000.
- */
-
-/* A `state save frame' is a struct pt_regs preceded by some extra space
- * suitable for a function call stack frame. */
-
-/* Amount of room on the stack reserved for arguments and to satisfy the
- * C calling conventions, in addition to the space used by the struct
- * pt_regs that actually holds saved values. */
-#define STATE_SAVE_ARG_SPACE	(6*4) /* Up to six arguments */
-
-#endif /* CONFIG_MMU */
-
 #endif /* _ASM_MICROBLAZE_ENTRY_H */
diff --git a/arch/microblaze/include/asm/exceptions.h b/arch/microblaze/include/asm/exceptions.h
index 6479097b802b..e6a8ddea1dca 100644
--- a/arch/microblaze/include/asm/exceptions.h
+++ b/arch/microblaze/include/asm/exceptions.h
@@ -66,6 +66,9 @@
 asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
 							int fsr, int addr);
 
+asmlinkage void sw_exception(struct pt_regs *regs);
+void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig);
+
 void die(const char *str, struct pt_regs *fp, long err);
 void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr);
 
diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h
index ad3fd61b2fe7..b0526d2716fa 100644
--- a/arch/microblaze/include/asm/futex.h
+++ b/arch/microblaze/include/asm/futex.h
@@ -29,7 +29,7 @@
 })
 
 static inline int
-futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
+futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr)
 {
 	int op = (encoded_op >> 28) & 7;
 	int cmp = (encoded_op >> 24) & 15;
@@ -39,7 +39,7 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
 	if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
 		oparg = 1 << oparg;
 
-	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
 		return -EFAULT;
 
 	pagefault_disable();
@@ -94,31 +94,34 @@ futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
 }
 
 static inline int
-futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
+			      u32 oldval, u32 newval)
 {
-	int prev, cmp;
+	int ret = 0, cmp;
+	u32 prev;
 
-	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
 		return -EFAULT;
 
-	__asm__ __volatile__ ("1:	lwx	%0, %2, r0;		\
-					cmp	%1, %0, %3;		\
-					beqi	%1, 3f;			\
-				2:	swx	%4, %2, r0;		\
-					addic	%1, r0, 0;		\
-					bnei	%1, 1b;			\
+	__asm__ __volatile__ ("1:	lwx	%1, %3, r0;		\
+					cmp	%2, %1, %4;		\
+					beqi	%2, 3f;			\
+				2:	swx	%5, %3, r0;		\
+					addic	%2, r0, 0;		\
+					bnei	%2, 1b;			\
 				3:					\
 				.section .fixup,\"ax\";			\
 				4:	brid	3b;			\
-					addik	%0, r0, %5;		\
+					addik	%0, r0, %6;		\
 				.previous;				\
 				.section __ex_table,\"a\";		\
 				.word	1b,4b,2b,4b;			\
 				.previous;"				\
-		: "=&r" (prev), "=&r"(cmp)				\
+		: "+r" (ret), "=&r" (prev), "=&r"(cmp)	\
 		: "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT));
 
-	return prev;
+	*uval = prev;
+	return ret;
 }
 
 #endif /* __KERNEL__ */
diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
index ec5583d6111c..cc54187f3d38 100644
--- a/arch/microblaze/include/asm/irq.h
+++ b/arch/microblaze/include/asm/irq.h
@@ -12,8 +12,6 @@
 #define NR_IRQS 32
 #include <asm-generic/irq.h>
 
-#include <linux/interrupt.h>
-
 /* This type is the placeholder for a hardware interrupt number. It has to
  * be big enough to enclose whatever representation is used by a given
  * platform.
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index 0c68764ab547..10717669e0c2 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -104,11 +104,22 @@ struct pci_controller {
 	int global_number;	/* PCI domain number */
 };
 
+#ifdef CONFIG_PCI
 static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus)
 {
 	return bus->sysdata;
 }
 
+static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus)
+{
+	struct pci_controller *host;
+
+	if (bus->self)
+		return pci_device_to_OF_node(bus->self);
+	host = pci_bus_to_host(bus);
+	return host ? host->dn : NULL;
+}
+
 static inline int isa_vaddr_is_ioport(void __iomem *address)
 {
 	/* No specific ISA handling on ppc32 at this stage, it
@@ -116,6 +127,7 @@ static inline int isa_vaddr_is_ioport(void __iomem *address)
 	 */
 	return 0;
 }
+#endif /* CONFIG_PCI */
 
 /* These are used for config access before all the PCI probing
    has been done. */
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index 885574a73f01..b2af42311a12 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -572,7 +572,7 @@ void __init *early_get_page(void);
 
 extern unsigned long ioremap_bot, ioremap_base;
 
-void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle);
+void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle);
 void consistent_free(size_t size, void *vaddr);
 void consistent_sync(void *vaddr, size_t size, int direction);
 void consistent_sync_page(struct page *page, unsigned long offset,
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 8eeb09211ece..aed2a6be8e27 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -155,7 +155,7 @@ unsigned long get_wchan(struct task_struct *p);
 #  define task_regs(task) ((struct pt_regs *)task_tos(task) - 1)
 
 #  define task_pt_regs_plus_args(tsk) \
-	(((void *)task_pt_regs(tsk)) - STATE_SAVE_ARG_SPACE)
+	((void *)task_pt_regs(tsk))
 
 #  define task_sp(task)	(task_regs(task)->r1)
 #  define task_pc(task)	(task_regs(task)->pc)
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 2e72af078b05..d0890d36ef61 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -64,21 +64,6 @@ extern void kdump_move_device_tree(void);
 /* CPU OF node matching */
 struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
 
-/**
- * of_irq_map_pci - Resolve the interrupt for a PCI device
- * @pdev:	the device whose interrupt is to be resolved
- * @out_irq:	structure of_irq filled by this function
- *
- * This function resolves the PCI interrupt for a given PCI device. If a
- * device-node exists for a given pci_dev, it will use normal OF tree
- * walking. If not, it will implement standard swizzling and walk up the
- * PCI tree until an device-node is found, at which point it will finish
- * resolving using the OF tree walking.
- */
-struct pci_dev;
-struct of_irq;
-extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
-
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 
diff --git a/arch/microblaze/include/asm/ptrace.h b/arch/microblaze/include/asm/ptrace.h
index d74dbfb92c04..d9b66304d5dd 100644
--- a/arch/microblaze/include/asm/ptrace.h
+++ b/arch/microblaze/include/asm/ptrace.h
@@ -66,13 +66,13 @@ void show_regs(struct pt_regs *);
 #else /* __KERNEL__ */
 
 /* pt_regs offsets used by gdbserver etc in ptrace syscalls */
-#define PT_GPR(n)       ((n) * sizeof(microblaze_reg_t))
-#define PT_PC           (32 * sizeof(microblaze_reg_t))
-#define PT_MSR          (33 * sizeof(microblaze_reg_t))
-#define PT_EAR          (34 * sizeof(microblaze_reg_t))
-#define PT_ESR          (35 * sizeof(microblaze_reg_t))
-#define PT_FSR          (36 * sizeof(microblaze_reg_t))
-#define PT_KERNEL_MODE  (37 * sizeof(microblaze_reg_t))
+#define PT_GPR(n)	((n) * sizeof(microblaze_reg_t))
+#define PT_PC		(32 * sizeof(microblaze_reg_t))
+#define PT_MSR		(33 * sizeof(microblaze_reg_t))
+#define PT_EAR		(34 * sizeof(microblaze_reg_t))
+#define PT_ESR		(35 * sizeof(microblaze_reg_t))
+#define PT_FSR		(36 * sizeof(microblaze_reg_t))
+#define PT_KERNEL_MODE	(37 * sizeof(microblaze_reg_t))
 
 #endif /* __KERNEL */
 
diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h
index 048dfcd8d89d..9bc431783105 100644
--- a/arch/microblaze/include/asm/syscall.h
+++ b/arch/microblaze/include/asm/syscall.h
@@ -96,4 +96,7 @@ static inline void syscall_set_arguments(struct task_struct *task,
 		microblaze_set_syscall_arg(regs, i++, *args++);
 }
 
+asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
+
 #endif /* __ASM_MICROBLAZE_SYSCALL_H */
diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h
index 720761cc741f..27f2f4c0f39f 100644
--- a/arch/microblaze/include/asm/syscalls.h
+++ b/arch/microblaze/include/asm/syscalls.h
@@ -1,5 +1,13 @@
 #ifndef __ASM_MICROBLAZE_SYSCALLS_H
 
+asmlinkage long microblaze_vfork(struct pt_regs *regs);
+asmlinkage long microblaze_clone(int flags, unsigned long stack,
+							struct pt_regs *regs);
+asmlinkage long microblaze_execve(const char __user *filenamei,
+				  const char __user *const __user *argv,
+				  const char __user *const __user *envp,
+				  struct pt_regs *regs);
+
 asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
 #define sys_clone sys_clone
 
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index d840f4a2d3c9..5bb95a11880d 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -120,16 +120,16 @@ static inline unsigned long __must_check __clear_user(void __user *to,
 {
 	/* normal memset with two words to __ex_table */
 	__asm__ __volatile__ (				\
-			"1:	sb	r0, %2, r0;"	\
+			"1:	sb	r0, %1, r0;"	\
 			"	addik	%0, %0, -1;"	\
 			"	bneid	%0, 1b;"	\
-			"	addik	%2, %2, 1;"	\
+			"	addik	%1, %1, 1;"	\
 			"2:			"	\
 			__EX_TABLE_SECTION		\
 			".word	1b,2b;"			\
 			".previous;"			\
-		: "=r"(n)				\
-		: "0"(n), "r"(to)
+		: "=r"(n), "=r"(to)			\
+		: "0"(n), "1"(to)
 	);
 	return n;
 }
diff --git a/arch/microblaze/include/asm/unaligned.h b/arch/microblaze/include/asm/unaligned.h
index 2b97cbe500e9..b162ed880495 100644
--- a/arch/microblaze/include/asm/unaligned.h
+++ b/arch/microblaze/include/asm/unaligned.h
@@ -12,18 +12,19 @@
 
 # ifdef __KERNEL__
 
-# include <linux/unaligned/be_byteshift.h>
-# include <linux/unaligned/le_byteshift.h>
-# include <linux/unaligned/generic.h>
-
-
 #  ifdef __MICROBLAZEEL__
+#   include <linux/unaligned/le_struct.h>
+#   include <linux/unaligned/be_byteshift.h>
 #   define get_unaligned	__get_unaligned_le
 #   define put_unaligned	__put_unaligned_le
 #  else
+#   include <linux/unaligned/be_struct.h>
+#   include <linux/unaligned/le_byteshift.h>
 #   define get_unaligned	__get_unaligned_be
 #   define put_unaligned	__put_unaligned_be
 #  endif
 
+# include <linux/unaligned/generic.h>
+
 # endif	/* __KERNEL__ */
 #endif /* _ASM_MICROBLAZE_UNALIGNED_H */