Merge commit 'v2.6.26' into core/locking

10 files changed, 31 insertions, 19 deletions

diff --git a/include/asm-powerpc/Kbuild b/include/asm-powerpc/Kbuild
index 7381916dfcb..bca352e033c 100644
--- a/include/asm-powerpc/Kbuild
+++ b/include/asm-powerpc/Kbuild
@@ -1,6 +1,5 @@
 include include/asm-generic/Kbuild.asm
 
-header-y += a.out.h
 header-y += auxvec.h
 header-y += ioctls.h
 header-y += mman.h
diff --git a/include/asm-powerpc/hugetlb.h b/include/asm-powerpc/hugetlb.h
index 649c6c3b87b..be32ff02f4a 100644
--- a/include/asm-powerpc/hugetlb.h
+++ b/include/asm-powerpc/hugetlb.h
@@ -49,12 +49,6 @@ static inline pte_t huge_pte_wrprotect(pte_t pte)
 	return pte_wrprotect(pte);
 }
 
-static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
-					   unsigned long addr, pte_t *ptep)
-{
-	ptep_set_wrprotect(mm, addr, ptep);
-}
-
 static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
 					     unsigned long addr, pte_t *ptep,
 					     pte_t pte, int dirty)
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index e0062d73db1..89189488e28 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -100,7 +100,7 @@ static inline type name(const volatile type __iomem *addr)		\
 {									\
 	type ret;							\
 	__asm__ __volatile__("sync;" insn ";twi 0,%0,0;isync"		\
- 		: "=r" (ret) : "r" (addr), "m" (*addr));		\
+		: "=r" (ret) : "r" (addr), "m" (*addr) : "memory");	\
 	return ret;							\
 }
 
@@ -108,8 +108,8 @@ static inline type name(const volatile type __iomem *addr)		\
 static inline void name(volatile type __iomem *addr, type val)		\
 {									\
 	__asm__ __volatile__("sync;" insn				\
- 		: "=m" (*addr) : "r" (val), "r" (addr));		\
-	IO_SET_SYNC_FLAG();					\
+		: "=m" (*addr) : "r" (val), "r" (addr) : "memory");	\
+	IO_SET_SYNC_FLAG();						\
 }
 
 
@@ -333,7 +333,8 @@ static inline unsigned int name(unsigned int port)	\
 		"	.long	3b,5b\n"		\
 		".previous"				\
 		: "=&r" (x)				\
-		: "r" (port + _IO_BASE));		\
+		: "r" (port + _IO_BASE)			\
+		: "memory");  				\
 	return x;					\
 }
 
@@ -350,7 +351,8 @@ static inline void name(unsigned int val, unsigned int port) \
 		"	.long	0b,2b\n"		\
 		"	.long	1b,2b\n"		\
 		".previous"				\
-		: : "r" (val), "r" (port + _IO_BASE));	\
+		: : "r" (val), "r" (port + _IO_BASE)	\
+		: "memory");   	   	   		\
 }
 
 __do_in_asm(_rec_inb, "lbzx")
diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
index b35a7e3ef97..5a21115228a 100644
--- a/include/asm-powerpc/kvm_ppc.h
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -57,6 +57,7 @@ extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
 
 extern int kvmppc_emulate_instruction(struct kvm_run *run,
                                       struct kvm_vcpu *vcpu);
+extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
 
 extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn,
                            u64 asid, u32 flags);
diff --git a/include/asm-powerpc/mediabay.h b/include/asm-powerpc/mediabay.h
index df111c362a7..b2efb332580 100644
--- a/include/asm-powerpc/mediabay.h
+++ b/include/asm-powerpc/mediabay.h
@@ -17,8 +17,6 @@
 #define MB_POWER	6	/* media bay contains a Power device (???) */
 #define MB_NO		7	/* media bay contains nothing */
 
-int check_media_bay(struct device_node *which_bay, int what);
-
 /* Number of bays in the machine or 0 */
 extern int media_bay_count;
 
@@ -29,6 +27,16 @@ int check_media_bay_by_base(unsigned long base, int what);
 /* called by IDE PMAC host driver to register IDE controller for media bay */
 int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base,
 			    int irq, ide_hwif_t *hwif);
+
+int check_media_bay(struct device_node *which_bay, int what);
+
+#else
+
+static inline int check_media_bay(struct device_node *which_bay, int what)
+{
+	return -ENODEV;
+}
+
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h
index 943c5a3fac8..a4d0f876b42 100644
--- a/include/asm-powerpc/mpic.h
+++ b/include/asm-powerpc/mpic.h
@@ -428,12 +428,11 @@ extern void mpic_init(struct mpic *mpic);
  */
 
 
-/* Change/Read the priority of an interrupt. Default is 8 for irqs and
+/* Change the priority of an interrupt. Default is 8 for irqs and
  * 10 for IPIs. You can call this on both IPIs and IRQ numbers, but the
  * IPI number is then the offset'ed (linux irq number mapped to the IPI)
  */
 extern void mpic_irq_set_priority(unsigned int irq, unsigned int pri);
-extern unsigned int mpic_irq_get_priority(unsigned int irq);
 
 /* Setup a non-boot CPU */
 extern void mpic_setup_this_cpu(void);
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index cc6a43ba41d..7686569a0be 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -314,6 +314,16 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 	old = pte_update(mm, addr, ptep, _PAGE_RW, 0);
 }
 
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+					   unsigned long addr, pte_t *ptep)
+{
+	unsigned long old;
+
+	if ((pte_val(*ptep) & _PAGE_RW) == 0)
+		return;
+	old = pte_update(mm, addr, ptep, _PAGE_RW, 1);
+}
+
 /*
  * We currently remove entries from the hashtable regardless of whether
  * the entry was young or dirty. The generic routines only flush if the
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 6abead6e681..99348c1f4ca 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -131,7 +131,6 @@ struct spu {
 	u64 flags;
 	u64 class_0_pending;
 	u64 class_0_dar;
-	u64 class_0_dsisr;
 	u64 class_1_dar;
 	u64 class_1_dsisr;
 	size_t ls_size;
diff --git a/include/asm-powerpc/spu_csa.h b/include/asm-powerpc/spu_csa.h
index 129ec148d45..a40fd491250 100644
--- a/include/asm-powerpc/spu_csa.h
+++ b/include/asm-powerpc/spu_csa.h
@@ -254,7 +254,7 @@ struct spu_state {
 	u64 spu_chnldata_RW[32];
 	u32 spu_mailbox_data[4];
 	u32 pu_mailbox_data[1];
-	u64 class_0_dar, class_0_dsisr, class_0_pending;
+	u64 class_0_dar, class_0_pending;
 	u64 class_1_dar, class_1_dsisr;
 	unsigned long suspend_time;
 	spinlock_t register_lock;
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 2b6559a6d11..5235f875b93 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -34,7 +34,7 @@
  * SMP since it is only used to order updates to system memory.
  */
 #define mb()   __asm__ __volatile__ ("sync" : : : "memory")
-#define rmb()  __asm__ __volatile__ (__stringify(LWSYNC) : : : "memory")
+#define rmb()  __asm__ __volatile__ ("sync" : : : "memory")
 #define wmb()  __asm__ __volatile__ ("sync" : : : "memory")
 #define read_barrier_depends()  do { } while(0)