10 files changed, 9 insertions, 22 deletions

diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index cb884e48942..bad27a6ff40 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -7,6 +7,7 @@ config FRV
         select HAVE_PERF_EVENTS
         select HAVE_GENERIC_HARDIRQS
         select GENERIC_IRQ_SHOW
+        select ARCH_HAVE_NMI_SAFE_CMPXCHG
 
 config ZONE_DMA
         bool
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index fae32c7fdcb..0d8a7d66174 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -241,7 +241,7 @@ extern uint32_t __xchg_32(uint32_t i, volatile void *v);
 #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)
+static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
 {
         int c, old;
         c = atomic_read(v);
@@ -253,10 +253,8 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
                         break;
                 c = old;
         }
-        return c != (u);
+        return c;
 }
 
-#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
-#include <asm-generic/atomic-long.h>
 #endif /* _ASM_ATOMIC_H */
diff --git a/arch/frv/include/asm/bitops.h b/arch/frv/include/asm/bitops.h
index a1d00b0c6ed..57bf85db893 100644
--- a/arch/frv/include/asm/bitops.h
+++ b/arch/frv/include/asm/bitops.h
@@ -403,8 +403,7 @@ int __ilog2_u64(u64 n)
 
 #include <asm-generic/bitops/le.h>
 
-#define ext2_set_bit_atomic(lock,nr,addr)       test_and_set_bit  ((nr) ^ 0x18, (addr))
-#define ext2_clear_bit_atomic(lock,nr,addr)     test_and_clear_bit((nr) ^ 0x18, (addr))
+#include <asm-generic/bitops/ext2-atomic-setbit.h>
 
 #endif /* __KERNEL__ */
 
diff --git a/arch/frv/include/asm/hardirq.h b/arch/frv/include/asm/hardirq.h
index 5fc8b6f5bc5..c62833d6ebb 100644
--- a/arch/frv/include/asm/hardirq.h
+++ b/arch/frv/include/asm/hardirq.h
@@ -12,7 +12,7 @@
 #ifndef __ASM_HARDIRQ_H
 #define __ASM_HARDIRQ_H
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 
 extern atomic_t irq_err_count;
 static inline void ack_bad_irq(int irq)
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h
index 4b789ab182b..81c2e271d62 100644
--- a/arch/frv/include/asm/processor.h
+++ b/arch/frv/include/asm/processor.h
@@ -97,7 +97,6 @@ extern struct task_struct *__kernel_current_task;
  */
 #define start_thread(_regs, _pc, _usp)                  \
 do {                                                    \
-        set_fs(USER_DS); /* reads from user space */    \
         __frame = __kernel_frame0_ptr;                  \
         __frame->pc     = (_pc);                        \
         __frame->psr    &= ~PSR_S;                      \
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
index 6bfad4cf190..ef6635ca4ec 100644
--- a/arch/frv/include/asm/ptrace.h
+++ b/arch/frv/include/asm/ptrace.h
@@ -78,7 +78,6 @@ register struct pt_regs *__frame asm("gr28");
 #define user_stack_pointer(regs)        ((regs)->sp)
 
 extern unsigned long user_stack(const struct pt_regs *);
-extern void show_regs(struct pt_regs *);
 #define profile_pc(regs) ((regs)->pc)
 
 #define task_pt_regs(task) ((task)->thread.frame0)
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S
index 017d6d7b784..5ba23f715ea 100644
--- a/arch/frv/kernel/entry.S
+++ b/arch/frv/kernel/entry.S
@@ -1358,7 +1358,7 @@ sys_call_table:
         .long sys_ni_syscall    /* for vm86 */
         .long sys_ni_syscall    /* Old sys_query_module */
         .long sys_poll
-        .long sys_nfsservctl
+        .long sys_ni_syscall    /* Old nfsservctl */
         .long sys_setresgid16   /* 170 */
         .long sys_getresgid16
         .long sys_prctl
diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c
index a5f624a9f55..3facbc28cbb 100644
--- a/arch/frv/kernel/irq.c
+++ b/arch/frv/kernel/irq.c
@@ -25,7 +25,7 @@
 #include <linux/module.h>
 #include <linux/bitops.h>
 
-#include <asm/atomic.h>
+#include <linux/atomic.h>
 #include <asm/io.h>
 #include <asm/smp.h>
 #include <asm/system.h>
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 9d359752646..3901df1213c 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -143,10 +143,7 @@ void machine_power_off(void)
 
 void flush_thread(void)
 {
-#if 0 //ndef NO_FPU
-        unsigned long zero = 0;
-#endif
-        set_fs(USER_DS);
+        /* nothing */
 }
 
 inline unsigned long user_stack(const struct pt_regs *regs)
diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index c42c83d507b..4fb63a36bd5 100644
--- a/arch/frv/mm/pgalloc.c
+++ b/arch/frv/mm/pgalloc.c
@@ -133,13 +133,7 @@ void pgd_dtor(void *pgd)
 
 pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-        pgd_t *pgd;
-
-        pgd = quicklist_alloc(0, GFP_KERNEL, pgd_ctor);
-        if (!pgd)
-                return pgd;
-
-        return pgd;
+        return quicklist_alloc(0, GFP_KERNEL, pgd_ctor);
 }
 
 void pgd_free(struct mm_struct *mm, pgd_t *pgd)