16 files changed, 122 insertions, 34 deletions

diff --git a/include/asm-alpha/core_mcpcia.h b/include/asm-alpha/core_mcpcia.h
index 525b4f6a7ace..acf55b483472 100644
--- a/include/asm-alpha/core_mcpcia.h
+++ b/include/asm-alpha/core_mcpcia.h
@@ -261,7 +261,7 @@ struct el_MCPCIA_uncorrected_frame_mcheck {
         }
 #endif
 
-static inline int __mcpcia_is_mmio(unsigned long addr)
+extern inline int __mcpcia_is_mmio(unsigned long addr)
 {
         return (addr & 0x80000000UL) == 0;
 }
diff --git a/include/asm-alpha/core_t2.h b/include/asm-alpha/core_t2.h
index 90e6b5d6c214..46bfff58f670 100644
--- a/include/asm-alpha/core_t2.h
+++ b/include/asm-alpha/core_t2.h
@@ -356,13 +356,13 @@ struct el_t2_frame_corrected {
 #define vip     volatile int *
 #define vuip    volatile unsigned int *
 
-static inline u8 t2_inb(unsigned long addr)
+extern inline u8 t2_inb(unsigned long addr)
 {
         long result = *(vip) ((addr << 5) + T2_IO + 0x00);
         return __kernel_extbl(result, addr & 3);
 }
 
-static inline void t2_outb(u8 b, unsigned long addr)
+extern inline void t2_outb(u8 b, unsigned long addr)
 {
         unsigned long w;
 
@@ -371,13 +371,13 @@ static inline void t2_outb(u8 b, unsigned long addr)
         mb();
 }
 
-static inline u16 t2_inw(unsigned long addr)
+extern inline u16 t2_inw(unsigned long addr)
 {
         long result = *(vip) ((addr << 5) + T2_IO + 0x08);
         return __kernel_extwl(result, addr & 3);
 }
 
-static inline void t2_outw(u16 b, unsigned long addr)
+extern inline void t2_outw(u16 b, unsigned long addr)
 {
         unsigned long w;
 
@@ -386,12 +386,12 @@ static inline void t2_outw(u16 b, unsigned long addr)
         mb();
 }
 
-static inline u32 t2_inl(unsigned long addr)
+extern inline u32 t2_inl(unsigned long addr)
 {
         return *(vuip) ((addr << 5) + T2_IO + 0x18);
 }
 
-static inline void t2_outl(u32 b, unsigned long addr)
+extern inline void t2_outl(u32 b, unsigned long addr)
 {
         *(vuip) ((addr << 5) + T2_IO + 0x18) = b;
         mb();
@@ -435,7 +435,7 @@ static inline void t2_outl(u32 b, unsigned long addr)
         set_hae(msb); \
 }
 
-static DEFINE_SPINLOCK(t2_hae_lock);
+extern spinlock_t t2_hae_lock;
 
 /*
  * NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since
diff --git a/include/asm-alpha/io.h b/include/asm-alpha/io.h
index 38f18cf18c9d..e971ab000f95 100644
--- a/include/asm-alpha/io.h
+++ b/include/asm-alpha/io.h
@@ -35,7 +35,7 @@
  * register not being up-to-date with respect to the hardware
  * value.
  */
-static inline void __set_hae(unsigned long new_hae)
+extern inline void __set_hae(unsigned long new_hae)
 {
         unsigned long flags;
         local_irq_save(flags);
@@ -49,7 +49,7 @@ static inline void __set_hae(unsigned long new_hae)
         local_irq_restore(flags);
 }
 
-static inline void set_hae(unsigned long new_hae)
+extern inline void set_hae(unsigned long new_hae)
 {
         if (new_hae != alpha_mv.hae_cache)
                 __set_hae(new_hae);
@@ -176,7 +176,7 @@ REMAP2(u64, writeq, volatile)
 #undef REMAP1
 #undef REMAP2
 
-static inline void __iomem *generic_ioportmap(unsigned long a)
+extern inline void __iomem *generic_ioportmap(unsigned long a)
 {
         return alpha_mv.mv_ioportmap(a);
 }
diff --git a/include/asm-alpha/mmu_context.h b/include/asm-alpha/mmu_context.h
index 6a5be1f7debf..86c08a02d239 100644
--- a/include/asm-alpha/mmu_context.h
+++ b/include/asm-alpha/mmu_context.h
@@ -23,7 +23,7 @@
 #endif
 
 
-extern inline unsigned long
+static inline unsigned long
 __reload_thread(struct pcb_struct *pcb)
 {
         register unsigned long a0 __asm__("$16");
@@ -114,7 +114,7 @@ extern unsigned long last_asn;
 #define __MMU_EXTERN_INLINE
 #endif
 
-static inline unsigned long
+extern inline unsigned long
 __get_new_mm_context(struct mm_struct *mm, long cpu)
 {
         unsigned long asn = cpu_last_asn(cpu);
@@ -226,7 +226,7 @@ ev4_activate_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm)
 # endif
 #endif
 
-extern inline int
+static inline int
 init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 {
         int i;
diff --git a/include/asm-alpha/percpu.h b/include/asm-alpha/percpu.h
index 48348fe34c19..3495e8e00d70 100644
--- a/include/asm-alpha/percpu.h
+++ b/include/asm-alpha/percpu.h
@@ -1,6 +1,78 @@
 #ifndef __ALPHA_PERCPU_H
 #define __ALPHA_PERCPU_H
+#include <linux/compiler.h>
+#include <linux/threads.h>
 
-#include <asm-generic/percpu.h>
+/*
+ * Determine the real variable name from the name visible in the
+ * kernel sources.
+ */
+#define per_cpu_var(var) per_cpu__##var
+
+#ifdef CONFIG_SMP
+
+/*
+ * per_cpu_offset() is the offset that has to be added to a
+ * percpu variable to get to the instance for a certain processor.
+ */
+extern unsigned long __per_cpu_offset[NR_CPUS];
+
+#define per_cpu_offset(x) (__per_cpu_offset[x])
+
+#define __my_cpu_offset per_cpu_offset(raw_smp_processor_id())
+#ifdef CONFIG_DEBUG_PREEMPT
+#define my_cpu_offset per_cpu_offset(smp_processor_id())
+#else
+#define my_cpu_offset __my_cpu_offset
+#endif
+
+#ifndef MODULE
+#define SHIFT_PERCPU_PTR(var, offset) RELOC_HIDE(&per_cpu_var(var), (offset))
+#define PER_CPU_ATTRIBUTES
+#else
+/*
+ * To calculate addresses of locally defined variables, GCC uses 32-bit
+ * displacement from the GP. Which doesn't work for per cpu variables in
+ * modules, as an offset to the kernel per cpu area is way above 4G.
+ *
+ * This forces allocation of a GOT entry for per cpu variable using
+ * ldq instruction with a 'literal' relocation.
+ */
+#define SHIFT_PERCPU_PTR(var, offset) ({                \
+        extern int simple_identifier_##var(void);       \
+        unsigned long __ptr, tmp_gp;                    \
+        asm (  "br      %1, 1f                        \n\
+        1:      ldgp    %1, 0(%1)                     \n\
+                ldq %0, per_cpu__" #var"(%1)\t!literal"         \
+                : "=&r"(__ptr), "=&r"(tmp_gp));         \
+        (typeof(&per_cpu_var(var)))(__ptr + (offset)); })
+
+#define PER_CPU_ATTRIBUTES      __used
+
+#endif /* MODULE */
+
+/*
+ * A percpu variable may point to a discarded regions. The following are
+ * established ways to produce a usable pointer from the percpu variable
+ * offset.
+ */
+#define per_cpu(var, cpu) \
+        (*SHIFT_PERCPU_PTR(var, per_cpu_offset(cpu)))
+#define __get_cpu_var(var) \
+        (*SHIFT_PERCPU_PTR(var, my_cpu_offset))
+#define __raw_get_cpu_var(var) \
+        (*SHIFT_PERCPU_PTR(var, __my_cpu_offset))
+
+#else /* ! SMP */
+
+#define per_cpu(var, cpu)               (*((void)(cpu), &per_cpu_var(var)))
+#define __get_cpu_var(var)              per_cpu_var(var)
+#define __raw_get_cpu_var(var)          per_cpu_var(var)
+
+#define PER_CPU_ATTRIBUTES
+
+#endif /* SMP */
+
+#define DECLARE_PER_CPU(type, name) extern __typeof__(type) per_cpu_var(name)
 
 #endif /* __ALPHA_PERCPU_H */
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index ed221d6408fc..afe20fa58c99 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -184,7 +184,7 @@ enum amask_enum {
    __amask; })
 
 #define __CALL_PAL_R0(NAME, TYPE)                               \
-static inline TYPE NAME(void)                                   \
+extern inline TYPE NAME(void)                                   \
 {                                                               \
         register TYPE __r0 __asm__("$0");                       \
         __asm__ __volatile__(                                   \
@@ -196,7 +196,7 @@ static inline TYPE NAME(void)					\
 }
 
 #define __CALL_PAL_W1(NAME, TYPE0)                              \
-static inline void NAME(TYPE0 arg0)                             \
+extern inline void NAME(TYPE0 arg0)                             \
 {                                                               \
         register TYPE0 __r16 __asm__("$16") = arg0;             \
         __asm__ __volatile__(                                   \
@@ -207,7 +207,7 @@ static inline void NAME(TYPE0 arg0)				\
 }
 
 #define __CALL_PAL_W2(NAME, TYPE0, TYPE1)                       \
-static inline void NAME(TYPE0 arg0, TYPE1 arg1)                 \
+extern inline void NAME(TYPE0 arg0, TYPE1 arg1)                 \
 {                                                               \
         register TYPE0 __r16 __asm__("$16") = arg0;             \
         register TYPE1 __r17 __asm__("$17") = arg1;             \
@@ -219,7 +219,7 @@ static inline void NAME(TYPE0 arg0, TYPE1 arg1)			\
 }
 
 #define __CALL_PAL_RW1(NAME, RTYPE, TYPE0)                      \
-static inline RTYPE NAME(TYPE0 arg0)                            \
+extern inline RTYPE NAME(TYPE0 arg0)                            \
 {                                                               \
         register RTYPE __r0 __asm__("$0");                      \
         register TYPE0 __r16 __asm__("$16") = arg0;             \
@@ -232,7 +232,7 @@ static inline RTYPE NAME(TYPE0 arg0)				\
 }
 
 #define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1)               \
-static inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1)                \
+extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1)                \
 {                                                               \
         register RTYPE __r0 __asm__("$0");                      \
         register TYPE0 __r16 __asm__("$16") = arg0;             \
diff --git a/include/asm-alpha/vga.h b/include/asm-alpha/vga.h
index e8df1e7aae6b..c00106bac521 100644
--- a/include/asm-alpha/vga.h
+++ b/include/asm-alpha/vga.h
@@ -13,7 +13,7 @@
 #define VT_BUF_HAVE_MEMSETW
 #define VT_BUF_HAVE_MEMCPYW
 
-extern inline void scr_writew(u16 val, volatile u16 *addr)
+static inline void scr_writew(u16 val, volatile u16 *addr)
 {
         if (__is_ioaddr(addr))
                 __raw_writew(val, (volatile u16 __iomem *) addr);
@@ -21,7 +21,7 @@ extern inline void scr_writew(u16 val, volatile u16 *addr)
                 *addr = val;
 }
 
-extern inline u16 scr_readw(volatile const u16 *addr)
+static inline u16 scr_readw(volatile const u16 *addr)
 {
         if (__is_ioaddr(addr))
                 return __raw_readw((volatile const u16 __iomem *) addr);
@@ -29,7 +29,7 @@ extern inline u16 scr_readw(volatile const u16 *addr)
                 return *addr;
 }
 
-extern inline void scr_memsetw(u16 *s, u16 c, unsigned int count)
+static inline void scr_memsetw(u16 *s, u16 c, unsigned int count)
 {
         if (__is_ioaddr(s))
                 memsetw_io((u16 __iomem *) s, c, count);
diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
index 96bd09e31e36..2526b6ed6faa 100644
--- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
@@ -96,7 +96,7 @@ struct bfin_serial_port {
         struct work_struct tx_dma_workqueue;
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-        struct work_struct cts_workqueue;
+        struct timer_list cts_timer;
         int cts_pin;
         int rts_pin;
 #endif
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index e924569ad1d8..ebf592b59aab 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
@@ -88,7 +88,7 @@ struct bfin_serial_port {
 # endif
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-        struct work_struct      cts_workqueue;
+        struct timer_list       cts_timer;
         int                     cts_pin;
         int                     rts_pin;
 #endif
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index 41d7b6490bb1..1bf56ffa22f9 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -96,7 +96,7 @@ struct bfin_serial_port {
         struct work_struct      tx_dma_workqueue;
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-        struct work_struct      cts_workqueue;
+        struct timer_list       cts_timer;
         int             cts_pin;
         int             rts_pin;
 #endif
diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
index 59b4ad4e5b4a..5e29446a8e03 100644
--- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
@@ -99,7 +99,7 @@ struct bfin_serial_port {
         struct work_struct      tx_dma_workqueue;
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-        struct work_struct      cts_workqueue;
+        struct timer_list       cts_timer;
         int             cts_pin;
         int             rts_pin;
 #endif
@@ -187,7 +187,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 
 #ifdef CONFIG_BFIN_UART1_CTSRTS
         peripheral_request(P_UART1_RTS, DRIVER_NAME);
-        peripheral_request(P_UART1_CTS DRIVER_NAME);
+        peripheral_request(P_UART1_CTS, DRIVER_NAME);
 #endif
 #endif
 
@@ -202,7 +202,7 @@ static void bfin_serial_hw_init(struct bfin_serial_port *uart)
 
 #ifdef CONFIG_BFIN_UART3_CTSRTS
         peripheral_request(P_UART3_RTS, DRIVER_NAME);
-        peripheral_request(P_UART3_CTS DRIVER_NAME);
+        peripheral_request(P_UART3_CTS, DRIVER_NAME);
 #endif
 #endif
         SSYNC();
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index 30d90b580f18..8aa02780e642 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
@@ -88,7 +88,7 @@ struct bfin_serial_port {
 # endif
 #endif
 #ifdef CONFIG_SERIAL_BFIN_CTSRTS
-        struct work_struct      cts_workqueue;
+        struct timer_list       cts_timer;
         int                     cts_pin;
         int                     rts_pin;
 #endif
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 6a5dbdc8a7dc..686895bacd9d 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -94,7 +94,7 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat,
                                        unsigned long freepfn,
                                        unsigned long startpfn,
                                        unsigned long endpfn);
-extern void reserve_bootmem_node(pg_data_t *pgdat,
+extern int reserve_bootmem_node(pg_data_t *pgdat,
                                  unsigned long physaddr,
                                  unsigned long size,
                                  int flags);
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 59f1c0bd8f9c..d2a003586761 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -27,8 +27,7 @@
  *      This routine is called by the kernel to write a series of
  *      characters to the tty device.  The characters may come from
  *      user space or kernel space.  This routine will return the
- *      number of characters actually accepted for writing.  This
- *      routine is mandatory.
+ *      number of characters actually accepted for writing.
  *
  *      Optional: Required for writable devices.
  *
@@ -134,7 +133,7 @@
  *      This routine notifies the tty driver that it should hangup the
  *      tty device.
  *
- *      Required:
+ *      Optional:
  *
  * void (*break_ctl)(struct tty_stuct *tty, int state);
  *
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index e0a612bc9c4e..f422f7218e1c 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -367,6 +367,12 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
                  a->s6_addr32[2] | a->s6_addr32[3] ) == 0); 
 }
 
+static inline int ipv6_addr_loopback(const struct in6_addr *a)
+{
+        return ((a->s6_addr32[0] | a->s6_addr32[1] |
+                 a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0);
+}
+
 static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
 {
         return ((a->s6_addr32[0] | a->s6_addr32[1] |
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index aa540e6be502..d9dd0f707296 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -95,6 +95,11 @@ extern struct list_head net_namespace_list;
 #ifdef CONFIG_NET_NS
 extern void __put_net(struct net *net);
 
+static inline int net_alive(struct net *net)
+{
+        return net && atomic_read(&net->count);
+}
+
 static inline struct net *get_net(struct net *net)
 {
         atomic_inc(&net->count);
@@ -125,6 +130,12 @@ int net_eq(const struct net *net1, const struct net *net2)
         return net1 == net2;
 }
 #else
+
+static inline int net_alive(struct net *net)
+{
+        return 1;
+}
+
 static inline struct net *get_net(struct net *net)
 {
         return net;