Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
  x86: rdc: leds build/config fix
  x86: sysfs cpu?/topology is empty in 2.6.25 (32-bit Intel system)
  x86: revert commit 709f744 ("x86: bitops asm constraint fixes")
  x86: restrict keyboard io ports reservation to make ipmi driver work
  x86: fix fpu restore from sig return
  x86: remove spew print out about bus to node mapping
  x86: revert printk format warning change which is for linux-next
  x86: cleanup PAT cpu validation
  x86: geode: define geode_has_vsa2() even if CONFIG_MGEODE_LX is not set
  x86: GEODE: cache results from geode_has_vsa2() and uninline
  x86: revert geode config dependency

5 files changed, 49 insertions, 36 deletions

diff --git a/include/asm-x86/bitops.h b/include/asm-x86/bitops.h
index b81a4d4d3337..ee4b3ead6a43 100644
--- a/include/asm-x86/bitops.h
+++ b/include/asm-x86/bitops.h
@@ -23,13 +23,10 @@
 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
 /* Technically wrong, but this avoids compilation errors on some gcc
    versions. */
-#define ADDR "=m" (*(volatile long *)addr)
-#define BIT_ADDR "=m" (((volatile int *)addr)[nr >> 5])
+#define ADDR "=m" (*(volatile long *) addr)
 #else
 #define ADDR "+m" (*(volatile long *) addr)
-#define BIT_ADDR "+m" (((volatile int *)addr)[nr >> 5])
 #endif
-#define BASE_ADDR "m" (*(volatile int *)addr)
 
 /**
  * set_bit - Atomically set a bit in memory
@@ -77,7 +74,7 @@ static inline void __set_bit(int nr, volatile void *addr)
  */
 static inline void clear_bit(int nr, volatile void *addr)
 {
-        asm volatile(LOCK_PREFIX "btr %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+        asm volatile(LOCK_PREFIX "btr %1,%0" : ADDR : "Ir" (nr));
 }
 
 /*
@@ -96,7 +93,7 @@ static inline void clear_bit_unlock(unsigned nr, volatile void *addr)
 
 static inline void __clear_bit(int nr, volatile void *addr)
 {
-        asm volatile("btr %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+        asm volatile("btr %1,%0" : ADDR : "Ir" (nr));
 }
 
 /*
@@ -131,7 +128,7 @@ static inline void __clear_bit_unlock(unsigned nr, volatile void *addr)
  */
 static inline void __change_bit(int nr, volatile void *addr)
 {
-        asm volatile("btc %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+        asm volatile("btc %1,%0" : ADDR : "Ir" (nr));
 }
 
 /**
@@ -145,7 +142,7 @@ static inline void __change_bit(int nr, volatile void *addr)
  */
 static inline void change_bit(int nr, volatile void *addr)
 {
-        asm volatile(LOCK_PREFIX "btc %1,%2" : BIT_ADDR : "Ir" (nr), BASE_ADDR);
+        asm volatile(LOCK_PREFIX "btc %1,%0" : ADDR : "Ir" (nr));
 }
 
 /**
@@ -191,9 +188,10 @@ static inline int __test_and_set_bit(int nr, volatile void *addr)
 {
         int oldbit;
 
-        asm volatile("bts %2,%3\n\t"
-                     "sbb %0,%0"
-                     : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
+        asm("bts %2,%1\n\t"
+            "sbb %0,%0"
+            : "=r" (oldbit), ADDR
+            : "Ir" (nr));
         return oldbit;
 }
 
@@ -229,9 +227,10 @@ static inline int __test_and_clear_bit(int nr, volatile void *addr)
 {
         int oldbit;
 
-        asm volatile("btr %2,%3\n\t"
+        asm volatile("btr %2,%1\n\t"
                      "sbb %0,%0"
-                     : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
+                     : "=r" (oldbit), ADDR
+                     : "Ir" (nr));
         return oldbit;
 }
 
@@ -240,9 +239,10 @@ static inline int __test_and_change_bit(int nr, volatile void *addr)
 {
         int oldbit;
 
-        asm volatile("btc %2,%3\n\t"
+        asm volatile("btc %2,%1\n\t"
                      "sbb %0,%0"
-                     : "=r" (oldbit), BIT_ADDR : "Ir" (nr), BASE_ADDR);
+                     : "=r" (oldbit), ADDR
+                     : "Ir" (nr) : "memory");
 
         return oldbit;
 }
@@ -276,11 +276,10 @@ static inline int variable_test_bit(int nr, volatile const void *addr)
 {
         int oldbit;
 
-        asm volatile("bt %2,%3\n\t"
+        asm volatile("bt %2,%1\n\t"
                      "sbb %0,%0"
                      : "=r" (oldbit)
-                     : "m" (((volatile const int *)addr)[nr >> 5]),
-                       "Ir" (nr), BASE_ADDR);
+                     : "m" (*(unsigned long *)addr), "Ir" (nr));
 
         return oldbit;
 }
@@ -397,8 +396,6 @@ static inline int fls(int x)
 }
 #endif /* __KERNEL__ */
 
-#undef BASE_ADDR
-#undef BIT_ADDR
 #undef ADDR
 
 static inline void set_bit_string(unsigned long *bitmap,
diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h
index 7154dc4de951..6e6458853a36 100644
--- a/include/asm-x86/geode.h
+++ b/include/asm-x86/geode.h
@@ -185,16 +185,14 @@ static inline int is_geode(void)
         return (is_geode_gx() || is_geode_lx());
 }
 
-/*
- * The VSA has virtual registers that we can query for a signature.
- */
+#ifdef CONFIG_MGEODE_LX
+extern int geode_has_vsa2(void);
+#else
 static inline int geode_has_vsa2(void)
 {
-        outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
-        outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX);
-
-        return (inw(VSA_VRC_DATA) == VSA_SIG);
+        return 0;
 }
+#endif
 
 /* MFGPTs */
 
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index da2adb45f6e3..6b722d315936 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -175,7 +175,15 @@ static inline int save_i387(struct _fpstate __user *buf)
  */
 static inline int restore_i387(struct _fpstate __user *buf)
 {
-        set_used_math();
+        struct task_struct *tsk = current;
+        int err;
+
+        if (!used_math()) {
+                err = init_fpu(tsk);
+                if (err)
+                        return err;
+        }
+
         if (!(task_thread_info(current)->status & TS_USEDFPU)) {
                 clts();
                 task_thread_info(current)->status |= TS_USEDFPU;
diff --git a/include/asm-x86/pat.h b/include/asm-x86/pat.h
index 8b822b5a1786..88f60cc6a227 100644
--- a/include/asm-x86/pat.h
+++ b/include/asm-x86/pat.h
@@ -4,7 +4,13 @@
 
 #include <linux/types.h>
 
+#ifdef CONFIG_X86_PAT
 extern int pat_wc_enabled;
+extern void validate_pat_support(struct cpuinfo_x86 *c);
+#else
+static const int pat_wc_enabled = 0;
+static inline void validate_pat_support(struct cpuinfo_x86 *c) { }
+#endif
 
 extern void pat_init(void);
 
@@ -12,5 +18,7 @@ extern int reserve_memtype(u64 start, u64 end,
                 unsigned long req_type, unsigned long *ret_type);
 extern int free_memtype(u64 start, u64 end);
 
+extern void pat_disable(char *reason);
+
 #endif
 
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 4f35a0fb4f22..dcf3f8131d6b 100644
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -25,6 +25,16 @@
 #ifndef _ASM_X86_TOPOLOGY_H
 #define _ASM_X86_TOPOLOGY_H
 
+#ifdef CONFIG_X86_32
+# ifdef CONFIG_X86_HT
+#  define ENABLE_TOPO_DEFINES
+# endif
+#else
+# ifdef CONFIG_SMP
+#  define ENABLE_TOPO_DEFINES
+# endif
+#endif
+
 #ifdef CONFIG_NUMA
 #include <linux/cpumask.h>
 #include <asm/mpspec.h>
@@ -130,10 +140,6 @@ extern unsigned long node_end_pfn[];
 extern unsigned long node_remap_size[];
 #define node_has_online_mem(nid) (node_start_pfn[nid] != node_end_pfn[nid])
 
-# ifdef CONFIG_X86_HT
-#  define ENABLE_TOPO_DEFINES
-# endif
-
 # define SD_CACHE_NICE_TRIES    1
 # define SD_IDLE_IDX            1
 # define SD_NEWIDLE_IDX         2
@@ -141,10 +147,6 @@ extern unsigned long node_remap_size[];
 
 #else
 
-# ifdef CONFIG_SMP
-#  define ENABLE_TOPO_DEFINES
-# endif
-
 # define SD_CACHE_NICE_TRIES    2
 # define SD_IDLE_IDX            2
 # define SD_NEWIDLE_IDX         2