Merge tag 'v3.7' into v4l_for_linus

Linux 3.7

* tag 'v3.7': (1545 commits)
  Linux 3.7
  Input: matrix-keymap - provide proper module license
  Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage
  ipv4: ip_check_defrag must not modify skb before unsharing
  Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended"
  inet_diag: validate port comparison byte code to prevent unsafe reads
  inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run()
  inet_diag: validate byte code to prevent oops in inet_diag_bc_run()
  inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state
  mm: vmscan: fix inappropriate zone congestion clearing
  vfs: fix O_DIRECT read past end of block device
  net: gro: fix possible panic in skb_gro_receive()
  tcp: bug fix Fast Open client retransmission
  tmpfs: fix shared mempolicy leak
  mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones
  mm: compaction: validate pfn range passed to isolate_freepages_block
  mmc: sh-mmcif: avoid oops on spurious interrupts (second try)
  Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"
  mmc: sdhci-s3c: fix missing clock for gpio card-detect
  lib/Makefile: Fix oid_registry build dependency
  ...

1 files changed, 39 insertions, 89 deletions

diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 82ad35ce2b4..46ac73abd5e 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -14,7 +14,6 @@
 #endif
 
 #include <linux/compiler.h>
-#include <linux/irqflags.h>
 #include <linux/types.h>
 #include <asm/barrier.h>
 #include <asm/byteorder.h>		/* sigh ... */
@@ -44,6 +43,24 @@
 #define smp_mb__before_clear_bit()	smp_mb__before_llsc()
 #define smp_mb__after_clear_bit()	smp_llsc_mb()
 
+
+/*
+ * These are the "slower" versions of the functions and are in bitops.c.
+ * These functions call raw_local_irq_{save,restore}().
+ */
+void __mips_set_bit(unsigned long nr, volatile unsigned long *addr);
+void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr);
+void __mips_change_bit(unsigned long nr, volatile unsigned long *addr);
+int __mips_test_and_set_bit(unsigned long nr,
+			    volatile unsigned long *addr);
+int __mips_test_and_set_bit_lock(unsigned long nr,
+				 volatile unsigned long *addr);
+int __mips_test_and_clear_bit(unsigned long nr,
+			      volatile unsigned long *addr);
+int __mips_test_and_change_bit(unsigned long nr,
+			       volatile unsigned long *addr);
+
+
 /*
  * set_bit - Atomically set a bit in memory
  * @nr: the bit to set
@@ -57,7 +74,7 @@
 static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
 {
 	unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 	unsigned long temp;
 
 	if (kernel_uses_llsc && R10000_LLSC_WAR) {
@@ -92,17 +109,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
 			: "=&r" (temp), "+m" (*m)
 			: "ir" (1UL << bit));
 		} while (unlikely(!temp));
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		*a |= mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		__mips_set_bit(nr, addr);
 }
 
 /*
@@ -118,7 +126,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
 static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
 {
 	unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 	unsigned long temp;
 
 	if (kernel_uses_llsc && R10000_LLSC_WAR) {
@@ -153,17 +161,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
 			: "=&r" (temp), "+m" (*m)
 			: "ir" (~(1UL << bit)));
 		} while (unlikely(!temp));
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		*a &= ~mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		__mips_clear_bit(nr, addr);
 }
 
 /*
@@ -191,7 +190,7 @@ static inline void clear_bit_unlock(unsigned long nr, volatile unsigned long *ad
  */
 static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 {
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 
 	if (kernel_uses_llsc && R10000_LLSC_WAR) {
 		unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
@@ -220,17 +219,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 			: "=&r" (temp), "+m" (*m)
 			: "ir" (1UL << bit));
 		} while (unlikely(!temp));
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		*a ^= mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		__mips_change_bit(nr, addr);
 }
 
 /*
@@ -244,7 +234,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
 static inline int test_and_set_bit(unsigned long nr,
 	volatile unsigned long *addr)
 {
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 	unsigned long res;
 
 	smp_mb__before_llsc();
@@ -281,18 +271,8 @@ static inline int test_and_set_bit(unsigned long nr,
 		} while (unlikely(!res));
 
 		res = temp & (1UL << bit);
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		res = (mask & *a);
-		*a |= mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		res = __mips_test_and_set_bit(nr, addr);
 
 	smp_llsc_mb();
 
@@ -310,7 +290,7 @@ static inline int test_and_set_bit(unsigned long nr,
 static inline int test_and_set_bit_lock(unsigned long nr,
 	volatile unsigned long *addr)
 {
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 	unsigned long res;
 
 	if (kernel_uses_llsc && R10000_LLSC_WAR) {
@@ -345,18 +325,8 @@ static inline int test_and_set_bit_lock(unsigned long nr,
 		} while (unlikely(!res));
 
 		res = temp & (1UL << bit);
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		res = (mask & *a);
-		*a |= mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		res = __mips_test_and_set_bit_lock(nr, addr);
 
 	smp_llsc_mb();
 
@@ -373,7 +343,7 @@ static inline int test_and_set_bit_lock(unsigned long nr,
 static inline int test_and_clear_bit(unsigned long nr,
 	volatile unsigned long *addr)
 {
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 	unsigned long res;
 
 	smp_mb__before_llsc();
@@ -428,18 +398,8 @@ static inline int test_and_clear_bit(unsigned long nr,
 		} while (unlikely(!res));
 
 		res = temp & (1UL << bit);
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		res = (mask & *a);
-		*a &= ~mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		res = __mips_test_and_clear_bit(nr, addr);
 
 	smp_llsc_mb();
 
@@ -457,7 +417,7 @@ static inline int test_and_clear_bit(unsigned long nr,
 static inline int test_and_change_bit(unsigned long nr,
 	volatile unsigned long *addr)
 {
-	unsigned short bit = nr & SZLONG_MASK;
+	int bit = nr & SZLONG_MASK;
 	unsigned long res;
 
 	smp_mb__before_llsc();
@@ -494,18 +454,8 @@ static inline int test_and_change_bit(unsigned long nr,
 		} while (unlikely(!res));
 
 		res = temp & (1UL << bit);
-	} else {
-		volatile unsigned long *a = addr;
-		unsigned long mask;
-		unsigned long flags;
-
-		a += nr >> SZLONG_LOG;
-		mask = 1UL << bit;
-		raw_local_irq_save(flags);
-		res = (mask & *a);
-		*a ^= mask;
-		raw_local_irq_restore(flags);
-	}
+	} else
+		res = __mips_test_and_change_bit(nr, addr);
 
 	smp_llsc_mb();