Merge commit 'v2.6.29-rc1' into x86/urgent

11 files changed, 101 insertions, 139 deletions

diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index 4a8e80cdcfa5..a9f8a814a1f7 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -22,3 +22,4 @@ unifdef-y += unistd_32.h
 unifdef-y += unistd_64.h
 unifdef-y += vm86.h
 unifdef-y += vsyscall.h
+unifdef-y += swab.h
diff --git a/arch/x86/include/asm/atomic_32.h b/arch/x86/include/asm/atomic_32.h
index ad5b9f6ecddf..85b46fba4229 100644
--- a/arch/x86/include/asm/atomic_32.h
+++ b/arch/x86/include/asm/atomic_32.h
@@ -2,6 +2,7 @@
 #define _ASM_X86_ATOMIC_32_H
 
 #include <linux/compiler.h>
+#include <linux/types.h>
 #include <asm/processor.h>
 #include <asm/cmpxchg.h>
 
@@ -10,15 +11,6 @@
  * resource counting etc..
  */
 
-/*
- * Make sure gcc doesn't try to be clever and move things around
- * on us. We need to use _exactly_ the address the user gave us,
- * not some alias that contains the same information.
- */
-typedef struct {
-        int counter;
-} atomic_t;
-
 #define ATOMIC_INIT(i)  { (i) }
 
 /**
diff --git a/arch/x86/include/asm/atomic_64.h b/arch/x86/include/asm/atomic_64.h
index 279d2a731f3f..8c21731984da 100644
--- a/arch/x86/include/asm/atomic_64.h
+++ b/arch/x86/include/asm/atomic_64.h
@@ -1,25 +1,15 @@
 #ifndef _ASM_X86_ATOMIC_64_H
 #define _ASM_X86_ATOMIC_64_H
 
+#include <linux/types.h>
 #include <asm/alternative.h>
 #include <asm/cmpxchg.h>
 
-/* atomic_t should be 32 bit signed type */
-
 /*
  * Atomic operations that C can't guarantee us.  Useful for
  * resource counting etc..
  */
 
-/*
- * Make sure gcc doesn't try to be clever and move things around
- * on us. We need to use _exactly_ the address the user gave us,
- * not some alias that contains the same information.
- */
-typedef struct {
-        int counter;
-} atomic_t;
-
 #define ATOMIC_INIT(i)  { (i) }
 
 /**
@@ -191,11 +181,7 @@ static inline int atomic_sub_return(int i, atomic_t *v)
 #define atomic_inc_return(v)  (atomic_add_return(1, v))
 #define atomic_dec_return(v)  (atomic_sub_return(1, v))
 
-/* An 64bit atomic type */
-
-typedef struct {
-        long counter;
-} atomic64_t;
+/* The 64-bit atomic type */
 
 #define ATOMIC64_INIT(i)        { (i) }
 
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 9fa9dcdf344b..e02a359d2aa5 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -300,7 +300,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
         return oldbit;
 }
 
-static inline int constant_test_bit(int nr, const volatile unsigned long *addr)
+static inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr)
 {
         return ((1UL << (nr % BITS_PER_LONG)) &
                 (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
diff --git a/arch/x86/include/asm/byteorder.h b/arch/x86/include/asm/byteorder.h
index f110ad417df3..7c49917e3d9d 100644
--- a/arch/x86/include/asm/byteorder.h
+++ b/arch/x86/include/asm/byteorder.h
@@ -1,65 +1,7 @@
 #ifndef _ASM_X86_BYTEORDER_H
 #define _ASM_X86_BYTEORDER_H
 
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-#define __LITTLE_ENDIAN
-
-static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
-{
-#ifdef __i386__
-# ifdef CONFIG_X86_BSWAP
-        asm("bswap %0" : "=r" (val) : "0" (val));
-# else
-        asm("xchgb %b0,%h0\n\t" /* swap lower bytes     */
-            "rorl $16,%0\n\t"   /* swap words           */
-            "xchgb %b0,%h0"     /* swap higher bytes    */
-            : "=q" (val)
-            : "0" (val));
-# endif
-
-#else /* __i386__ */
-        asm("bswapl %0"
-            : "=r" (val)
-            : "0" (val));
-#endif
-        return val;
-}
-#define __arch_swab32 __arch_swab32
-
-static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
-{
-#ifdef __i386__
-        union {
-                struct {
-                        __u32 a;
-                        __u32 b;
-                } s;
-                __u64 u;
-        } v;
-        v.u = val;
-# ifdef CONFIG_X86_BSWAP
-        asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
-            : "=r" (v.s.a), "=r" (v.s.b)
-            : "0" (v.s.a), "1" (v.s.b));
-# else
-        v.s.a = __arch_swab32(v.s.a);
-        v.s.b = __arch_swab32(v.s.b);
-        asm("xchgl %0,%1"
-            : "=r" (v.s.a), "=r" (v.s.b)
-            : "0" (v.s.a), "1" (v.s.b));
-# endif
-        return v.u;
-#else /* __i386__ */
-        asm("bswapq %0"
-            : "=r" (val)
-            : "0" (val));
-        return val;
-#endif
-}
-#define __arch_swab64 __arch_swab64
-
-#include <linux/byteorder.h>
+#include <asm/swab.h>
+#include <linux/byteorder/little_endian.h>
 
 #endif /* _ASM_X86_BYTEORDER_H */
diff --git a/arch/x86/include/asm/es7000/apic.h b/arch/x86/include/asm/es7000/apic.h
index bc53d5ef1386..c58b9cc74465 100644
--- a/arch/x86/include/asm/es7000/apic.h
+++ b/arch/x86/include/asm/es7000/apic.h
@@ -1,6 +1,8 @@
 #ifndef __ASM_ES7000_APIC_H
 #define __ASM_ES7000_APIC_H
 
+#include <linux/gfp.h>
+
 #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
 #define esr_disable (1)
 
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index 830b9fcb6427..19953df61c52 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -18,9 +18,26 @@
 #include <asm/pda.h>
 #include <asm/thread_info.h>
 
+#ifdef CONFIG_X86_64
+
+extern cpumask_var_t cpu_callin_mask;
+extern cpumask_var_t cpu_callout_mask;
+extern cpumask_var_t cpu_initialized_mask;
+extern cpumask_var_t cpu_sibling_setup_mask;
+
+#else /* CONFIG_X86_32 */
+
+extern cpumask_t cpu_callin_map;
 extern cpumask_t cpu_callout_map;
 extern cpumask_t cpu_initialized;
-extern cpumask_t cpu_callin_map;
+extern cpumask_t cpu_sibling_setup_map;
+
+#define cpu_callin_mask         ((struct cpumask *)&cpu_callin_map)
+#define cpu_callout_mask        ((struct cpumask *)&cpu_callout_map)
+#define cpu_initialized_mask    ((struct cpumask *)&cpu_initialized)
+#define cpu_sibling_setup_mask  ((struct cpumask *)&cpu_sibling_setup_map)
+
+#endif /* CONFIG_X86_32 */
 
 extern void (*mtrr_hook)(void);
 extern void zap_low_mappings(void);
@@ -29,7 +46,6 @@ extern int __cpuinit get_local_pda(int cpu);
 
 extern int smp_num_siblings;
 extern unsigned int num_processors;
-extern cpumask_t cpu_initialized;
 
 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
 DECLARE_PER_CPU(cpumask_t, cpu_core_map);
@@ -38,6 +54,16 @@ DECLARE_PER_CPU(u16, cpu_llc_id);
 DECLARE_PER_CPU(int, cpu_number);
 #endif
 
+static inline struct cpumask *cpu_sibling_mask(int cpu)
+{
+        return &per_cpu(cpu_sibling_map, cpu);
+}
+
+static inline struct cpumask *cpu_core_mask(int cpu)
+{
+        return &per_cpu(cpu_core_map, cpu);
+}
+
 DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid);
 DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid);
 
@@ -149,7 +175,7 @@ void smp_store_cpu_info(int id);
 /* We don't mark CPUs online until __cpu_up(), so we need another measure */
 static inline int num_booting_cpus(void)
 {
-        return cpus_weight(cpu_callout_map);
+        return cpumask_weight(cpu_callout_mask);
 }
 #else
 static inline void prefill_possible_map(void)
diff --git a/arch/x86/include/asm/summit/apic.h b/arch/x86/include/asm/summit/apic.h
index 4bb5fb34f030..93d2c8667cfe 100644
--- a/arch/x86/include/asm/summit/apic.h
+++ b/arch/x86/include/asm/summit/apic.h
@@ -2,6 +2,7 @@
 #define __ASM_SUMMIT_APIC_H
 
 #include <asm/smp.h>
+#include <linux/gfp.h>
 
 #define esr_disable (1)
 #define NO_BALANCE_IRQ (0)
diff --git a/arch/x86/include/asm/swab.h b/arch/x86/include/asm/swab.h
new file mode 100644
index 000000000000..306d4178ffc9
--- /dev/null
+++ b/arch/x86/include/asm/swab.h
@@ -0,0 +1,61 @@
+#ifndef _ASM_X86_SWAB_H
+#define _ASM_X86_SWAB_H
+
+#include <asm/types.h>
+#include <linux/compiler.h>
+
+static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
+{
+#ifdef __i386__
+# ifdef CONFIG_X86_BSWAP
+        asm("bswap %0" : "=r" (val) : "0" (val));
+# else
+        asm("xchgb %b0,%h0\n\t" /* swap lower bytes     */
+            "rorl $16,%0\n\t"   /* swap words           */
+            "xchgb %b0,%h0"     /* swap higher bytes    */
+            : "=q" (val)
+            : "0" (val));
+# endif
+
+#else /* __i386__ */
+        asm("bswapl %0"
+            : "=r" (val)
+            : "0" (val));
+#endif
+        return val;
+}
+#define __arch_swab32 __arch_swab32
+
+static inline __attribute_const__ __u64 __arch_swab64(__u64 val)
+{
+#ifdef __i386__
+        union {
+                struct {
+                        __u32 a;
+                        __u32 b;
+                } s;
+                __u64 u;
+        } v;
+        v.u = val;
+# ifdef CONFIG_X86_BSWAP
+        asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
+            : "=r" (v.s.a), "=r" (v.s.b)
+            : "0" (v.s.a), "1" (v.s.b));
+# else
+        v.s.a = __arch_swab32(v.s.a);
+        v.s.b = __arch_swab32(v.s.b);
+        asm("xchgl %0,%1"
+            : "=r" (v.s.a), "=r" (v.s.b)
+            : "0" (v.s.a), "1" (v.s.b));
+# endif
+        return v.u;
+#else /* __i386__ */
+        asm("bswapq %0"
+            : "=r" (val)
+            : "0" (val));
+        return val;
+#endif
+}
+#define __arch_swab64 __arch_swab64
+
+#endif /* _ASM_X86_SWAB_H */
diff --git a/arch/x86/include/asm/swiotlb.h b/arch/x86/include/asm/swiotlb.h
index 51fb2c76ad74..b9e4e20174fb 100644
--- a/arch/x86/include/asm/swiotlb.h
+++ b/arch/x86/include/asm/swiotlb.h
@@ -1,46 +1,10 @@
 #ifndef _ASM_X86_SWIOTLB_H
 #define _ASM_X86_SWIOTLB_H
 
-#include <asm/dma-mapping.h>
+#include <linux/swiotlb.h>
 
 /* SWIOTLB interface */
 
-extern dma_addr_t swiotlb_map_single(struct device *hwdev, void *ptr,
-                                     size_t size, int dir);
-extern void *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
-                                    dma_addr_t *dma_handle, gfp_t flags);
-extern void swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr,
-                                 size_t size, int dir);
-extern void swiotlb_sync_single_for_cpu(struct device *hwdev,
-                                        dma_addr_t dev_addr,
-                                        size_t size, int dir);
-extern void swiotlb_sync_single_for_device(struct device *hwdev,
-                                           dma_addr_t dev_addr,
-                                           size_t size, int dir);
-extern void swiotlb_sync_single_range_for_cpu(struct device *hwdev,
-                                              dma_addr_t dev_addr,
-                                              unsigned long offset,
-                                              size_t size, int dir);
-extern void swiotlb_sync_single_range_for_device(struct device *hwdev,
-                                                 dma_addr_t dev_addr,
-                                                 unsigned long offset,
-                                                 size_t size, int dir);
-extern void swiotlb_sync_sg_for_cpu(struct device *hwdev,
-                                    struct scatterlist *sg, int nelems,
-                                    int dir);
-extern void swiotlb_sync_sg_for_device(struct device *hwdev,
-                                       struct scatterlist *sg, int nelems,
-                                       int dir);
-extern int swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg,
-                          int nents, int direction);
-extern void swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg,
-                             int nents, int direction);
-extern int swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
-extern void swiotlb_free_coherent(struct device *hwdev, size_t size,
-                                  void *vaddr, dma_addr_t dma_handle);
-extern int swiotlb_dma_supported(struct device *hwdev, u64 mask);
-extern void swiotlb_init(void);
-
 extern int swiotlb_force;
 
 #ifdef CONFIG_SWIOTLB
diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h
deleted file mode 100644
index 8b064bd9c553..000000000000
--- a/arch/x86/include/asm/unwind.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#ifndef _ASM_X86_UNWIND_H
-#define _ASM_X86_UNWIND_H
-
-#define UNW_PC(frame) ((void)(frame), 0UL)
-#define UNW_SP(frame) ((void)(frame), 0UL)
-#define UNW_FP(frame) ((void)(frame), 0UL)
-
-static inline int arch_unw_user_mode(const void *info)
-{
-        return 0;
-}
-
-#endif /* _ASM_X86_UNWIND_H */