Merge commit 'v3.2-rc6' into fbdev-next

8 files changed, 43 insertions, 47 deletions

diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index e2a4c26ad377..02e41b53488d 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v)
         int t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %0,0,%2         # atomic_add_return\n\
         add     %0,%1,%0\n"
         PPC405_ERR77(0,%2)
 "       stwcx.  %0,0,%2 \n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (a), "r" (&v->counter)
         : "cc", "memory");
@@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v)
         int t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %0,0,%2         # atomic_sub_return\n\
         subf    %0,%1,%0\n"
         PPC405_ERR77(0,%2)
 "       stwcx.  %0,0,%2 \n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (a), "r" (&v->counter)
         : "cc", "memory");
@@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v)
         int t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %0,0,%1         # atomic_inc_return\n\
         addic   %0,%0,1\n"
         PPC405_ERR77(0,%1)
 "       stwcx.  %0,0,%1 \n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (&v->counter)
         : "cc", "xer", "memory");
@@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v)
         int t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %0,0,%1         # atomic_dec_return\n\
         addic   %0,%0,-1\n"
         PPC405_ERR77(0,%1)
 "       stwcx.  %0,0,%1\n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (&v->counter)
         : "cc", "xer", "memory");
@@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
         int t;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %0,0,%1         # __atomic_add_unless\n\
         cmpw    0,%0,%3 \n\
         beq-    2f \n\
@@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
         PPC405_ERR77(0,%2)
 "       stwcx.  %0,0,%1 \n\
         bne-    1b \n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "       subf    %0,%2,%0 \n\
 2:"
         : "=&r" (t)
@@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
         int t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %0,0,%1         # atomic_dec_if_positive\n\
         cmpwi   %0,1\n\
         addi    %0,%0,-1\n\
@@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
         PPC405_ERR77(0,%1)
 "       stwcx.  %0,0,%1\n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         "\n\
 2:"     : "=&b" (t)
         : "r" (&v->counter)
@@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v)
         long t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     ldarx   %0,0,%2         # atomic64_add_return\n\
         add     %0,%1,%0\n\
         stdcx.  %0,0,%2 \n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (a), "r" (&v->counter)
         : "cc", "memory");
@@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v)
         long t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     ldarx   %0,0,%2         # atomic64_sub_return\n\
         subf    %0,%1,%0\n\
         stdcx.  %0,0,%2 \n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (a), "r" (&v->counter)
         : "cc", "memory");
@@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v)
         long t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     ldarx   %0,0,%1         # atomic64_inc_return\n\
         addic   %0,%0,1\n\
         stdcx.  %0,0,%1 \n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (&v->counter)
         : "cc", "xer", "memory");
@@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v)
         long t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     ldarx   %0,0,%1         # atomic64_dec_return\n\
         addic   %0,%0,-1\n\
         stdcx.  %0,0,%1\n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         : "=&r" (t)
         : "r" (&v->counter)
         : "cc", "xer", "memory");
@@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
         long t;
 
         __asm__ __volatile__(
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     ldarx   %0,0,%1         # atomic64_dec_if_positive\n\
         addic.  %0,%0,-1\n\
         blt-    2f\n\
         stdcx.  %0,0,%1\n\
         bne-    1b"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
         "\n\
 2:"     : "=&r" (t)
         : "r" (&v->counter)
@@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
         long t;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     ldarx   %0,0,%1         # __atomic_add_unless\n\
         cmpd    0,%0,%3 \n\
         beq-    2f \n\
         add     %0,%2,%0 \n"
 "       stdcx.  %0,0,%1 \n\
         bne-    1b \n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "       subf    %0,%2,%0 \n\
 2:"
         : "=&r" (t)
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index e137afcc10fa..efdc92618b38 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -124,14 +124,14 @@ static __inline__ unsigned long fn(			\
         return (old & mask);                            \
 }
 
-DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER,
-              PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER,
+              PPC_ATOMIC_EXIT_BARRIER, 0)
 DEFINE_TESTOP(test_and_set_bits_lock, or, "",
               PPC_ACQUIRE_BARRIER, 1)
-DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER,
-              PPC_ACQUIRE_BARRIER, 0)
-DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER,
-              PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER,
+              PPC_ATOMIC_EXIT_BARRIER, 0)
+DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER,
+              PPC_ATOMIC_EXIT_BARRIER, 0)
 
 static __inline__ int test_and_set_bit(unsigned long nr,
                                        volatile unsigned long *addr)
diff --git a/arch/powerpc/include/asm/futex.h b/arch/powerpc/include/asm/futex.h
index c94e4a3fe2ef..2a9cf845473b 100644
--- a/arch/powerpc/include/asm/futex.h
+++ b/arch/powerpc/include/asm/futex.h
@@ -11,12 +11,13 @@
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-        PPC_RELEASE_BARRIER \
+        PPC_ATOMIC_ENTRY_BARRIER \
 "1:     lwarx   %0,0,%2\n" \
         insn \
         PPC405_ERR77(0, %2) \
 "2:     stwcx.  %1,0,%2\n" \
         "bne-   1b\n" \
+        PPC_ATOMIC_EXIT_BARRIER \
         "li     %1,0\n" \
 "3:     .section .fixup,\"ax\"\n" \
 "4:     li      %1,%3\n" \
@@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
                 return -EFAULT;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %1,0,%3         # futex_atomic_cmpxchg_inatomic\n\
         cmpw    0,%1,%4\n\
         bne-    3f\n"
         PPC405_ERR77(0,%3)
 "2:     stwcx.  %5,0,%3\n\
         bne-    1b\n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "3:     .section .fixup,\"ax\"\n\
 4:      li      %0,%6\n\
         b       3b\n\
diff --git a/arch/powerpc/include/asm/kvm.h b/arch/powerpc/include/asm/kvm.h
index 08fe69edcd10..0ad432bc81d6 100644
--- a/arch/powerpc/include/asm/kvm.h
+++ b/arch/powerpc/include/asm/kvm.h
@@ -149,12 +149,6 @@ struct kvm_regs {
 #define KVM_SREGS_E_UPDATE_DBSR         (1 << 3)
 
 /*
- * Book3S special bits to indicate contents in the struct by maintaining
- * backwards compatibility with older structs. If adding a new field,
- * please make sure to add a flag for that new field */
-#define KVM_SREGS_S_HIOR                (1 << 0)
-
-/*
  * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
  * previous KVM_GET_REGS.
  *
@@ -179,8 +173,6 @@ struct kvm_sregs {
                                 __u64 ibat[8]; 
                                 __u64 dbat[8]; 
                         } ppc32;
-                        __u64 flags; /* KVM_SREGS_S_ */
-                        __u64 hior;
                 } s;
                 struct {
                         union {
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index a384ffdf33de..d4df013ad779 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -90,8 +90,6 @@ struct kvmppc_vcpu_book3s {
 #endif
         int context_id[SID_CONTEXTS];
 
-        bool hior_sregs;                /* HIOR is set by SREGS, not PVR */
-
         struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
         struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
         struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 28cdbd9f399c..03c48e819c8e 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -31,7 +31,7 @@
 
 #define MSR_            MSR_ME | MSR_CE
 #define MSR_KERNEL      MSR_ | MSR_64BIT
-#define MSR_USER32      MSR_ | MSR_PR | MSR_EE | MSR_DE
+#define MSR_USER32      MSR_ | MSR_PR | MSR_EE
 #define MSR_USER64      MSR_USER32 | MSR_64BIT
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL      (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 6fbce725c710..a0f358d4a00c 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -8,7 +8,7 @@
 
 #ifdef __powerpc64__
 
-extern char _end[];
+extern char __end_interrupts[];
 
 static inline int in_kernel_text(unsigned long addr)
 {
diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h
index d7cab44643c5..e682a7143edb 100644
--- a/arch/powerpc/include/asm/synch.h
+++ b/arch/powerpc/include/asm/synch.h
@@ -13,6 +13,7 @@
 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
                              void *fixup_end);
+extern void do_final_fixups(void);
 
 static inline void eieio(void)
 {
@@ -41,11 +42,15 @@ static inline void isync(void)
         START_LWSYNC_SECTION(97);                       \
         isync;                                          \
         MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
-#define PPC_ACQUIRE_BARRIER     "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
-#define PPC_RELEASE_BARRIER     stringify_in_c(LWSYNC) "\n"
+#define PPC_ACQUIRE_BARRIER      "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
+#define PPC_RELEASE_BARRIER      stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_EXIT_BARRIER  "\n" stringify_in_c(sync) "\n"
 #else
 #define PPC_ACQUIRE_BARRIER
 #define PPC_RELEASE_BARRIER
+#define PPC_ATOMIC_ENTRY_BARRIER
+#define PPC_ATOMIC_EXIT_BARRIER
 #endif
 
 #endif /* __KERNEL__ */