Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc64: Update defconfig.
  sparc: Kill user copy check code.
  sparc64: Fix perf_arch_get_caller_regs().
  sparc64: Add missing ID to parport probing code.

4 files changed, 29 insertions, 38 deletions

diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index 4f7afa0..aa4c826 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -228,6 +228,10 @@ static const struct of_device_id ecpp_match[] = {
 		.name = "parallel",
 		.compatible = "ns87317-ecpp",
 	},
+	{
+		.name = "parallel",
+		.compatible = "pnpALI,1533,3",
+	},
 	{},
 };
 
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h
index 74c4e0c..727af70 100644
--- a/arch/sparc/include/asm/perf_event.h
+++ b/arch/sparc/include/asm/perf_event.h
@@ -10,11 +10,26 @@ extern void set_perf_event_pending(void);
 
 extern void init_hw_perf_events(void);
 
-extern void
-__perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
-
-#define perf_arch_fetch_caller_regs(pt_regs, ip)	\
-	__perf_arch_fetch_caller_regs(pt_regs, ip, 1);
+#define perf_arch_fetch_caller_regs(regs, ip)		\
+do {							\
+	unsigned long _pstate, _asi, _pil, _i7, _fp;	\
+	__asm__ __volatile__("rdpr %%pstate, %0\n\t"	\
+			     "rd %%asi, %1\n\t"		\
+			     "rdpr %%pil, %2\n\t"	\
+			     "mov %%i7, %3\n\t"		\
+			     "mov %%i6, %4\n\t"		\
+			     : "=r" (_pstate),		\
+			       "=r" (_asi),		\
+			       "=r" (_pil),		\
+			       "=r" (_i7),		\
+			       "=r" (_fp));		\
+	(regs)->tstate = (_pstate << 8) |		\
+		(_asi << 24) | (_pil << 20);		\
+	(regs)->tpc = (ip);				\
+	(regs)->tnpc = (regs)->tpc + 4;			\
+	(regs)->u_regs[UREG_I6] = _fp;			\
+	(regs)->u_regs[UREG_I7] = _i7;			\
+} while (0)
 #else
 static inline void init_hw_perf_events(void)	{ }
 #endif
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 25f1d10..8303ac4 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -260,23 +260,8 @@ static inline unsigned long __copy_to_user(void __user *to, const void *from, un
 	return __copy_user(to, (__force void __user *) from, n);
 }
 
-extern void copy_from_user_overflow(void)
-#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
-	__compiletime_error("copy_from_user() buffer size is not provably correct")
-#else
-	__compiletime_warning("copy_from_user() buffer size is not provably correct")
-#endif
-;
-
 static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
 {
-	int sz = __compiletime_object_size(to);
-
-	if (unlikely(sz != -1 && sz < n)) {
-		copy_from_user_overflow();
-		return n;
-	}
-
 	if (n && __access_ok((unsigned long) from, n))
 		return __copy_user((__force void __user *) to, from, n);
 	else
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index 2406788..3e1449f 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -205,14 +205,6 @@ __asm__ __volatile__(							\
 
 extern int __get_user_bad(void);
 
-extern void copy_from_user_overflow(void)
-#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
-	__compiletime_error("copy_from_user() buffer size is not provably correct")
-#else
-	__compiletime_warning("copy_from_user() buffer size is not provably correct")
-#endif
-;
-
 extern unsigned long __must_check ___copy_from_user(void *to,
 						    const void __user *from,
 						    unsigned long size);
@@ -221,16 +213,11 @@ extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
 static inline unsigned long __must_check
 copy_from_user(void *to, const void __user *from, unsigned long size)
 {
-	int sz = __compiletime_object_size(to);
-	unsigned long ret = size;
-
-	if (likely(sz == -1 || sz >= size)) {
-		ret = ___copy_from_user(to, from, size);
-		if (unlikely(ret))
-			ret = copy_from_user_fixup(to, from, size);
-	} else {
-		copy_from_user_overflow();
-	}
+	unsigned long ret = ___copy_from_user(to, from, size);
+
+	if (unlikely(ret))
+		ret = copy_from_user_fixup(to, from, size);
+
 	return ret;
 }
 #define __copy_from_user copy_from_user