7 files changed, 38 insertions, 1 deletions

diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h
index 50db9f39274f..72eb071488c7 100644
--- a/include/asm-x86_64/atomic.h
+++ b/include/asm-x86_64/atomic.h
@@ -424,4 +424,5 @@ __asm__ __volatile__(LOCK "orl %0,%1" \
 #define smp_mb__before_atomic_inc()     barrier()
 #define smp_mb__after_atomic_inc()      barrier()
 
+#include <asm-generic/atomic.h>
 #endif
diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index 05a0d374404b..a4d5d0909453 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -340,6 +340,20 @@ static __inline__ unsigned long __ffs(unsigned long word)
         return word;
 }
 
+/*
+ * __fls: find last bit set.
+ * @word: The word to search
+ *
+ * Undefined if no zero exists, so code should check against ~0UL first.
+ */
+static __inline__ unsigned long __fls(unsigned long word)
+{
+        __asm__("bsrq %1,%0"
+                :"=r" (word)
+                :"rm" (word));
+        return word;
+}
+
 #ifdef __KERNEL__
 
 static inline int sched_find_first_bit(const unsigned long *b)
@@ -370,6 +384,19 @@ static __inline__ int ffs(int x)
 }
 
 /**
+ * fls64 - find last bit set in 64 bit word
+ * @x: the word to search
+ *
+ * This is defined the same way as fls.
+ */
+static __inline__ int fls64(__u64 x)
+{
+        if (x == 0)
+                return 0;
+        return __fls(x) + 1;
+}
+
+/**
  * hweightN - returns the hamming weight of a N-bit word
  * @x: the word to weigh
  *
diff --git a/include/asm-x86_64/cacheflush.h b/include/asm-x86_64/cacheflush.h
index b3189fb229d1..d32f7f58752a 100644
--- a/include/asm-x86_64/cacheflush.h
+++ b/include/asm-x86_64/cacheflush.h
@@ -27,4 +27,8 @@ void global_flush_tlb(void);
 int change_page_attr(struct page *page, int numpages, pgprot_t prot);
 int change_page_attr_addr(unsigned long addr, int numpages, pgprot_t prot);
 
+#ifdef CONFIG_DEBUG_RODATA
+void mark_rodata_ro(void);
+#endif
+
 #endif /* _X8664_CACHEFLUSH_H */
diff --git a/include/asm-x86_64/mman.h b/include/asm-x86_64/mman.h
index 78e60a4fd4ee..d0e97b74f735 100644
--- a/include/asm-x86_64/mman.h
+++ b/include/asm-x86_64/mman.h
@@ -36,6 +36,7 @@
 #define MADV_SEQUENTIAL 0x2             /* read-ahead aggressively */
 #define MADV_WILLNEED   0x3             /* pre-fault pages */
 #define MADV_DONTNEED   0x4             /* discard these pages */
+#define MADV_REMOVE     0x5             /* remove these pages & resources */
 
 /* compatibility flags */
 #define MAP_ANON        MAP_ANONYMOUS
diff --git a/include/asm-x86_64/mpspec.h b/include/asm-x86_64/mpspec.h
index 6f8a17d105ab..10248a9a0582 100644
--- a/include/asm-x86_64/mpspec.h
+++ b/include/asm-x86_64/mpspec.h
@@ -76,7 +76,7 @@ struct mpc_config_bus
 {
         unsigned char mpc_type;
         unsigned char mpc_busid;
-        unsigned char mpc_bustype[6] __attribute((packed));
+        unsigned char mpc_bustype[6];
 };
 
 /* List of Bus Type string values, Intel MP Spec. */
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index ecf58c7c1650..02888d7a496f 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -122,6 +122,8 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
 
 #define pte_same(a, b)          ((a).pte == (b).pte)
 
+#define pte_pgprot(a)   (__pgprot((a).pte & ~PHYSICAL_PAGE_MASK))
+
 #define PMD_SIZE        (1UL << PMD_SHIFT)
 #define PMD_MASK        (~(PMD_SIZE-1))
 #define PUD_SIZE        (1UL << PUD_SHIFT)
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index 85348e02ad2e..b34cc2ee222b 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -315,6 +315,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 #define local_irq_enable()      __asm__ __volatile__("sti": : :"memory")
 /* used in the idle loop; sti takes one instruction cycle to complete */
 #define safe_halt()             __asm__ __volatile__("sti; hlt": : :"memory")
+/* used when interrupts are already enabled or to shutdown the processor */
+#define halt()                  __asm__ __volatile__("hlt": : :"memory")
 
 #define irqs_disabled()                 \
 ({                                      \