Merge commit 'md/for-linus' into async-tx-next

Conflicts:
	drivers/md/raid5.c

7 files changed, 92 insertions, 9 deletions

diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index 0409d981fd3..00a57af79af 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -121,10 +121,72 @@ static inline void atomic_dec(atomic_t *v)
 #define atomic_dec_and_test(v)		(atomic_sub_return(1, (v)) == 0)
 #define atomic_inc_and_test(v)		(atomic_add_return(1, (v)) == 0)
 
+/*
+ * 64-bit atomic ops
+ */
+typedef struct {
+	volatile long long counter;
+} atomic64_t;
+
+#define ATOMIC64_INIT(i)	{ (i) }
+
+static inline long long atomic64_read(atomic64_t *v)
+{
+	long long counter;
+
+	asm("ldd%I1 %M1,%0"
+	    : "=e"(counter)
+	    : "m"(v->counter));
+	return counter;
+}
+
+static inline void atomic64_set(atomic64_t *v, long long i)
+{
+	asm volatile("std%I0 %1,%M0"
+		     : "=m"(v->counter)
+		     : "e"(i));
+}
+
+extern long long atomic64_inc_return(atomic64_t *v);
+extern long long atomic64_dec_return(atomic64_t *v);
+extern long long atomic64_add_return(long long i, atomic64_t *v);
+extern long long atomic64_sub_return(long long i, atomic64_t *v);
+
+static inline long long atomic64_add_negative(long long i, atomic64_t *v)
+{
+	return atomic64_add_return(i, v) < 0;
+}
+
+static inline void atomic64_add(long long i, atomic64_t *v)
+{
+	atomic64_add_return(i, v);
+}
+
+static inline void atomic64_sub(long long i, atomic64_t *v)
+{
+	atomic64_sub_return(i, v);
+}
+
+static inline void atomic64_inc(atomic64_t *v)
+{
+	atomic64_inc_return(v);
+}
+
+static inline void atomic64_dec(atomic64_t *v)
+{
+	atomic64_dec_return(v);
+}
+
+#define atomic64_sub_and_test(i,v)	(atomic64_sub_return((i), (v)) == 0)
+#define atomic64_dec_and_test(v)	(atomic64_dec_return((v)) == 0)
+#define atomic64_inc_and_test(v)	(atomic64_inc_return((v)) == 0)
+
 /*****************************************************************************/
 /*
  * exchange value with memory
  */
+extern uint64_t __xchg_64(uint64_t i, volatile void *v);
+
 #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
 
 #define xchg(ptr, x)								\
@@ -174,8 +236,10 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v);
 
 #define tas(ptr) (xchg((ptr), 1))
 
-#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+#define atomic_cmpxchg(v, old, new)	(cmpxchg(&(v)->counter, old, new))
+#define atomic_xchg(v, new)		(xchg(&(v)->counter, new))
+#define atomic64_cmpxchg(v, old, new)	(__cmpxchg_64(old, new, &(v)->counter))
+#define atomic64_xchg(v, new)		(__xchg_64(new, &(v)->counter))
 
 static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
 {
diff --git a/arch/frv/include/asm/perf_counter.h b/arch/frv/include/asm/perf_counter.h
new file mode 100644
index 00000000000..ccf726e61b2
--- /dev/null
+++ b/arch/frv/include/asm/perf_counter.h
@@ -0,0 +1,17 @@
+/* FRV performance counter support
+ *
+ * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_PERF_COUNTER_H
+#define _ASM_PERF_COUNTER_H
+
+#define PERF_COUNTER_INDEX_OFFSET	0
+
+#endif /* _ASM_PERF_COUNTER_H */
diff --git a/arch/frv/include/asm/pgalloc.h b/arch/frv/include/asm/pgalloc.h
index 971e6addb00..416d19a632f 100644
--- a/arch/frv/include/asm/pgalloc.h
+++ b/arch/frv/include/asm/pgalloc.h
@@ -49,7 +49,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
 	__free_page(pte);
 }
 
-#define __pte_free_tlb(tlb,pte)				\
+#define __pte_free_tlb(tlb,pte,address)			\
 do {							\
 	pgtable_page_dtor(pte);				\
 	tlb_remove_page((tlb),(pte));			\
@@ -62,7 +62,7 @@ do {							\
  */
 #define pmd_alloc_one(mm, addr)		({ BUG(); ((pmd_t *) 2); })
 #define pmd_free(mm, x)			do { } while (0)
-#define __pmd_free_tlb(tlb,x)		do { } while (0)
+#define __pmd_free_tlb(tlb,x,a)		do { } while (0)
 
 #endif /* CONFIG_MMU */
 
diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h
index 33233011b1c..22c60692b55 100644
--- a/arch/frv/include/asm/pgtable.h
+++ b/arch/frv/include/asm/pgtable.h
@@ -225,7 +225,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address)
  */
 #define pud_alloc_one(mm, address)		NULL
 #define pud_free(mm, x)				do { } while (0)
-#define __pud_free_tlb(tlb, x)			do { } while (0)
+#define __pud_free_tlb(tlb, x, address)		do { } while (0)
 
 /*
  * The "pud_xxx()" functions here are trivial for a folded two-level
diff --git a/arch/frv/include/asm/system.h b/arch/frv/include/asm/system.h
index 7742ec000cc..efd22d9077a 100644
--- a/arch/frv/include/asm/system.h
+++ b/arch/frv/include/asm/system.h
@@ -208,6 +208,8 @@ extern void free_initmem(void);
  * - if (*ptr == test) then orig = *ptr; *ptr = test;
  * - if (*ptr != test) then orig = *ptr;
  */
+extern uint64_t __cmpxchg_64(uint64_t test, uint64_t new, volatile uint64_t *v);
+
 #ifndef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
 
 #define cmpxchg(ptr, test, new)							\
diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h
index e8a5ed7be02..e608e056bb5 100644
--- a/arch/frv/include/asm/thread_info.h
+++ b/arch/frv/include/asm/thread_info.h
@@ -56,8 +56,6 @@ struct thread_info {
 
 /*
  * macros/functions for gaining access to the thread information structure
- *
- * preempt_count needs to be 1 initially, until the scheduler is functional.
  */
 #ifndef __ASSEMBLY__
 
@@ -67,7 +65,7 @@ struct thread_info {
 	.exec_domain	= &default_exec_domain,	\
 	.flags		= 0,			\
 	.cpu		= 0,			\
-	.preempt_count	= 1,			\
+	.preempt_count	= INIT_PREEMPT_COUNT,	\
 	.addr_limit	= KERNEL_DS,		\
 	.restart_block = {			\
 		.fn = do_no_restart_syscall,	\
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index 96d78d5d2c4..4a8fb427ce0 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -341,10 +341,12 @@
 #define __NR_inotify_init1	332
 #define __NR_preadv		333
 #define __NR_pwritev		334
+#define __NR_rt_tgsigqueueinfo	335
+#define __NR_perf_counter_open	336
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 335
+#define NR_syscalls 337
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 /* #define __ARCH_WANT_OLD_READDIR */