Merge bk://ppc.bkbits.net/for-linus-ppc

into ppc970.osdl.org:/home/torvalds/v2.6/linux

7 files changed, 27 insertions, 17 deletions

diff --git a/include/asm-ppc/highmem.h b/include/asm-ppc/highmem.h
index aa3e74516808..928f8447ae7f 100644
--- a/include/asm-ppc/highmem.h
+++ b/include/asm-ppc/highmem.h
@@ -91,7 +91,7 @@ static inline void *kmap_atomic(struct page *page, enum km_type type)
 	BUG_ON(!pte_none(*(kmap_pte+idx)));
 #endif
 	set_pte(kmap_pte+idx, mk_pte(page, kmap_prot));
-	flush_tlb_page(0, vaddr);
+	flush_tlb_page(NULL, vaddr);
 
 	return (void*) vaddr;
 }
@@ -115,7 +115,7 @@ static inline void kunmap_atomic(void *kvaddr, enum km_type type)
 	 * this pte without first remap it
 	 */
 	pte_clear(kmap_pte+idx);
-	flush_tlb_page(0, vaddr);
+	flush_tlb_page(NULL, vaddr);
 #endif
 	dec_preempt_count();
 	preempt_check_resched();
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 2717a607de27..a893418be84c 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -237,7 +237,7 @@ extern inline void * bus_to_virt(unsigned long address)
 {
 #ifndef CONFIG_APUS
         if (address == 0)
-		return 0;
+		return NULL;
         return (void *)(address - PCI_DRAM_OFFSET + KERNELBASE);
 #else
 	return (void*) mm_ptov (address);
diff --git a/include/asm-ppc/open_pic.h b/include/asm-ppc/open_pic.h
index df14f8650ab0..38d8edb1ba70 100644
--- a/include/asm-ppc/open_pic.h
+++ b/include/asm-ppc/open_pic.h
@@ -50,7 +50,7 @@ extern void do_openpic_setup_cpu(void);
 extern int openpic_get_irq(struct pt_regs *regs);
 extern void openpic_reset_processor_phys(u_int cpumask);
 extern void openpic_setup_ISU(int isu_num, unsigned long addr);
-extern void openpic_cause_IPI(u_int ipi, u_int cpumask);
+extern void openpic_cause_IPI(u_int ipi, cpumask_t cpumask);
 extern void smp_openpic_message_pass(int target, int msg, unsigned long data,
 				     int wait);
 extern void openpic_set_k2_cascade(int irq);
diff --git a/include/asm-ppc/reg.h b/include/asm-ppc/reg.h
index 15c93af4079a..73eab4528eb9 100644
--- a/include/asm-ppc/reg.h
+++ b/include/asm-ppc/reg.h
@@ -350,7 +350,7 @@
 #define DBAT6U	SPRN_DBAT6U	/* Data BAT 6 Upper Register */
 #define DBAT7L	SPRN_DBAT7L	/* Data BAT 7 Lower Register */
 #define DBAT7U	SPRN_DBAT7U	/* Data BAT 7 Upper Register */
-#define DEC	SPRN_DEC	/* Decrement Register */
+//#define DEC	SPRN_DEC	/* Decrement Register */
 #define DMISS	SPRN_DMISS	/* Data TLB Miss Register */
 #define DSISR	SPRN_DSISR	/* Data Storage Interrupt Status Register */
 #define EAR	SPRN_EAR	/* External Address Register */
@@ -380,9 +380,9 @@
 #define IMMR	SPRN_IMMR	/* PPC 860/821 Internal Memory Map Register */
 #define L2CR	SPRN_L2CR	/* Classic PPC L2 cache control register */
 #define L3CR	SPRN_L3CR	/* PPC 745x L3 cache control register */
-#define LR	SPRN_LR
+//#define LR	SPRN_LR
 #define PVR	SPRN_PVR	/* Processor Version */
-#define RPA	SPRN_RPA	/* Required Physical Address Register */
+//#define RPA	SPRN_RPA	/* Required Physical Address Register */
 #define SDR1	SPRN_SDR1	/* MMU hash base register */
 #define SPR0	SPRN_SPRG0	/* Supervisor Private Registers */
 #define SPR1	SPRN_SPRG1
@@ -489,6 +489,7 @@
 #define SVR_8555E	0x80790000
 #define SVR_8560	0x80700000
 
+#if 0
 /* Segment Registers */
 #define SR0	0
 #define SR1	1
@@ -506,6 +507,7 @@
 #define SR13	13
 #define SR14	14
 #define SR15	15
+#endif
 
 /* Macros for setting and retrieving special purpose registers */
 #ifndef __ASSEMBLY__
diff --git a/include/asm-ppc/signal.h b/include/asm-ppc/signal.h
index 108bec27db9b..580fcc148259 100644
--- a/include/asm-ppc/signal.h
+++ b/include/asm-ppc/signal.h
@@ -118,7 +118,11 @@ typedef struct {
 #define SIG_SETMASK        2	/* for setting the signal mask */
 
 /* Type of a signal handler.  */
-typedef void (*__sighandler_t)(int);
+typedef void __signalfn_t(int);
+typedef __signalfn_t __user *__sighandler_t;
+
+typedef void __restorefn_t(void);
+typedef __restorefn_t __user *__sigrestore_t;
 
 #define SIG_DFL	((__sighandler_t)0)	/* default signal handling */
 #define SIG_IGN	((__sighandler_t)1)	/* ignore signal */
@@ -128,13 +132,13 @@ struct old_sigaction {
 	__sighandler_t sa_handler;
 	old_sigset_t sa_mask;
 	unsigned long sa_flags;
-	void (*sa_restorer)(void);
+	__sigrestore_t sa_restorer;
 };
 
 struct sigaction {
 	__sighandler_t sa_handler;
 	unsigned long sa_flags;
-	void (*sa_restorer)(void);
+	__sigrestore_t sa_restorer;
 	sigset_t sa_mask;		/* mask last for extensibility */
 };
 
@@ -143,7 +147,7 @@ struct k_sigaction {
 };
 
 typedef struct sigaltstack {
-	void *ss_sp;
+	void __user *ss_sp;
 	int ss_flags;
 	size_t ss_size;
 } stack_t;
diff --git a/include/asm-ppc/uaccess.h b/include/asm-ppc/uaccess.h
index 0a1a1a86a1de..b9d763e0d886 100644
--- a/include/asm-ppc/uaccess.h
+++ b/include/asm-ppc/uaccess.h
@@ -34,7 +34,8 @@
 	((addr) <= current->thread.fs.seg				    \
 	 && ((size) == 0 || (size) - 1 <= current->thread.fs.seg - (addr)))
 
-#define access_ok(type, addr, size) __access_ok((unsigned long)(addr),(size))
+#define access_ok(type, addr, size) \
+	(__chk_user_ptr(addr),__access_ok((unsigned long)(addr),(size)))
 
 extern inline int verify_area(int type, const void __user * addr, unsigned long size)
 {
@@ -105,6 +106,7 @@ extern long __put_user_bad(void);
 #define __put_user_nocheck(x,ptr,size)			\
 ({							\
 	long __pu_err;					\
+	__chk_user_ptr(ptr);				\
 	__put_user_size((x),(ptr),(size),__pu_err);	\
 	__pu_err;					\
 })
@@ -112,7 +114,7 @@ extern long __put_user_bad(void);
 #define __put_user_check(x,ptr,size)				\
 ({								\
 	long __pu_err = -EFAULT;				\
-	__typeof__(*(ptr)) *__pu_addr = (ptr);			\
+	__typeof__(*(ptr)) __user *__pu_addr = (ptr);		\
 	if (access_ok(VERIFY_WRITE,__pu_addr,size))		\
 		__put_user_size((x),__pu_addr,(size),__pu_err);	\
 	__pu_err;						\
@@ -179,6 +181,7 @@ do {							\
 #define __get_user_nocheck(x, ptr, size)			\
 ({								\
 	long __gu_err, __gu_val;				\
+	__chk_user_ptr(ptr);					\
 	__get_user_size(__gu_val, (ptr), (size), __gu_err);	\
 	(x) = (__typeof__(*(ptr)))__gu_val;			\
 	__gu_err;						\
@@ -188,6 +191,7 @@ do {							\
 ({								\
 	long __gu_err;						\
 	long long __gu_val;					\
+	__chk_user_ptr(ptr);					\
 	__get_user_size64(__gu_val, (ptr), (size), __gu_err);	\
 	(x) = (__typeof__(*(ptr)))__gu_val;			\
 	__gu_err;						\
@@ -196,7 +200,7 @@ do {							\
 #define __get_user_check(x, ptr, size)					\
 ({									\
 	long __gu_err = -EFAULT, __gu_val = 0;				\
-	const __typeof__(*(ptr)) *__gu_addr = (ptr);			\
+	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);		\
 	if (access_ok(VERIFY_READ, __gu_addr, (size)))			\
 		__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
 	(x) = (__typeof__(*(ptr)))__gu_val;				\
@@ -207,7 +211,7 @@ do {							\
 ({									  \
 	long __gu_err = -EFAULT;					  \
 	long long __gu_val = 0;						  \
-	const __typeof__(*(ptr)) *__gu_addr = (ptr);			  \
+	const __typeof__(*(ptr)) __user *__gu_addr = (ptr);		  \
 	if (access_ok(VERIFY_READ, __gu_addr, (size)))			  \
 		__get_user_size64(__gu_val, __gu_addr, (size), __gu_err); \
 	(x) = (__typeof__(*(ptr)))__gu_val;				  \
diff --git a/include/asm-ppc/ucontext.h b/include/asm-ppc/ucontext.h
index 53da26040a0e..664bc984d51f 100644
--- a/include/asm-ppc/ucontext.h
+++ b/include/asm-ppc/ucontext.h
@@ -13,10 +13,10 @@ struct mcontext {
 
 struct ucontext {
 	unsigned long	 uc_flags;
-	struct ucontext *uc_link;
+	struct ucontext __user *uc_link;
 	stack_t		 uc_stack;
 	int		 uc_pad[7];
-	struct mcontext	*uc_regs;	/* points to uc_mcontext field */
+	struct mcontext	__user *uc_regs;/* points to uc_mcontext field */
 	sigset_t	 uc_sigmask;
 	/* glibc has 1024-bit signal masks, ours are 64-bit */
 	int		 uc_maskext[30];