Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (79 commits)
  powerpc/8xx: Add support for the MPC8xx based boards from TQC
  powerpc/85xx: Introduce support for the Freescale P1022DS reference board
  powerpc/85xx: Adding DTS for the STx GP3-SSA MPC8555 board
  powerpc/85xx: Change deprecated binding for 85xx-based boards
  powerpc/tqm85xx: add a quirk for ti1520 PCMCIA bridge
  powerpc/tqm85xx: update PCI interrupt-map attribute
  powerpc/mpc8308rdb: support for MPC8308RDB board from Freescale
  powerpc/fsl_pci: add quirk for mpc8308 pcie bridge
  powerpc/85xx: Cleanup QE initialization for MPC85xxMDS boards
  powerpc/85xx: Fix booting for P1021MDS boards
  powerpc/85xx: Fix SWIOTLB initalization for MPC85xxMDS boards
  powerpc/85xx: kexec for SMP 85xx BookE systems
  powerpc/5200/i2c: improve i2c bus error recovery
  of/xilinxfb: update tft compatible versions
  powerpc/fsl-diu-fb: Support setting display mode using EDID
  powerpc/5121: doc/dts-bindings: update doc of FSL DIU bindings
  powerpc/5121: shared DIU framebuffer support
  powerpc/5121: move fsl-diu-fb.h to include/linux
  powerpc/5121: fsl-diu-fb: fix issue with re-enabling DIU area descriptor
  powerpc/512x: add clock structure for Video-IN (VIU) unit
  ...

19 files changed, 162 insertions, 22 deletions

diff --git a/arch/powerpc/include/asm/abs_addr.h b/arch/powerpc/include/asm/abs_addr.h
index 9a846efe6382..5ab0b71531be 100644
--- a/arch/powerpc/include/asm/abs_addr.h
+++ b/arch/powerpc/include/asm/abs_addr.h
@@ -69,7 +69,7 @@ static inline unsigned long phys_to_abs(unsigned long pa)
  * Legacy iSeries Hypervisor calls
  */
 #define iseries_hv_addr(virtaddr)       \
-        (0x8000000000000000 | virt_to_abs(virtaddr))
+        (0x8000000000000000UL | virt_to_abs(virtaddr))
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_ABS_ADDR_H */
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index 2048a6aeea91..decad950f11a 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -30,6 +30,7 @@
 #define PPC_STLCX       stringify_in_c(stdcx.)
 #define PPC_CNTLZL      stringify_in_c(cntlzd)
 #define PPC_LR_STKOFF   16
+#define PPC_MIN_STKFRM  112
 
 /* Move to CR, single-entry optimized version. Only available
  * on POWER4 and later.
@@ -55,6 +56,7 @@
 #define PPC_CNTLZL      stringify_in_c(cntlzw)
 #define PPC_MTOCRF      stringify_in_c(mtcrf)
 #define PPC_LR_STKOFF   4
+#define PPC_MIN_STKFRM  16
 
 #endif
 
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index b0b21134f61a..5e2e2cfcc81b 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -517,6 +517,10 @@ static inline int cpu_has_feature(unsigned long feature)
                 & feature);
 }
 
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+#define HBP_NUM 1
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
+
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h
index 501189a543d1..0893ab9343a6 100644
--- a/arch/powerpc/include/asm/dbell.h
+++ b/arch/powerpc/include/asm/dbell.h
@@ -27,10 +27,10 @@ enum ppc_dbell {
         PPC_G_DBELL_MC = 4,     /* guest mcheck doorbell */
 };
 
-#ifdef CONFIG_SMP
-extern unsigned long dbell_smp_message[NR_CPUS];
-extern void smp_dbell_message_pass(int target, int msg);
-#endif
+extern void doorbell_message_pass(int target, int msg);
+extern void doorbell_exception(struct pt_regs *regs);
+extern void doorbell_check_self(void);
+extern void doorbell_setup_this_cpu(void);
 
 static inline void ppc_msgsnd(enum ppc_dbell type, u32 flags, u32 tag)
 {
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 5119b7db3142..de03ca58db5d 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -74,6 +74,7 @@
 #define H_NOT_ENOUGH_RESOURCES -44
 #define H_R_STATE       -45
 #define H_RESCINDEND    -46
+#define H_MULTI_THREADS_ACTIVE -9005
 
 
 /* Long Busy is a condition that can be returned by the firmware
diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h
new file mode 100644
index 000000000000..1c33ec17ca36
--- /dev/null
+++ b/arch/powerpc/include/asm/hw_breakpoint.h
@@ -0,0 +1,74 @@
+/*
+ * PowerPC BookIII S hardware breakpoint definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright 2010, IBM Corporation.
+ * Author: K.Prasad <prasad@linux.vnet.ibm.com>
+ *
+ */
+
+#ifndef _PPC_BOOK3S_64_HW_BREAKPOINT_H
+#define _PPC_BOOK3S_64_HW_BREAKPOINT_H
+
+#ifdef  __KERNEL__
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+
+struct arch_hw_breakpoint {
+        bool            extraneous_interrupt;
+        u8              len; /* length of the target data symbol */
+        int             type;
+        unsigned long   address;
+};
+
+#include <linux/kdebug.h>
+#include <asm/reg.h>
+#include <asm/system.h>
+
+struct perf_event;
+struct pmu;
+struct perf_sample_data;
+
+#define HW_BREAKPOINT_ALIGN 0x7
+/* Maximum permissible length of any HW Breakpoint */
+#define HW_BREAKPOINT_LEN 0x8
+
+extern int hw_breakpoint_slots(int type);
+extern int arch_bp_generic_fields(int type, int *gen_bp_type);
+extern int arch_check_bp_in_kernelspace(struct perf_event *bp);
+extern int arch_validate_hwbkpt_settings(struct perf_event *bp);
+extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused,
+                                                unsigned long val, void *data);
+int arch_install_hw_breakpoint(struct perf_event *bp);
+void arch_uninstall_hw_breakpoint(struct perf_event *bp);
+void hw_breakpoint_pmu_read(struct perf_event *bp);
+extern void flush_ptrace_hw_breakpoint(struct task_struct *tsk);
+
+extern struct pmu perf_ops_bp;
+extern void ptrace_triggered(struct perf_event *bp, int nmi,
+                        struct perf_sample_data *data, struct pt_regs *regs);
+static inline void hw_breakpoint_disable(void)
+{
+        set_dabr(0);
+}
+extern void thread_change_pc(struct task_struct *tsk, struct pt_regs *regs);
+
+#else   /* CONFIG_HAVE_HW_BREAKPOINT */
+static inline void hw_breakpoint_disable(void) { }
+static inline void thread_change_pc(struct task_struct *tsk,
+                                        struct pt_regs *regs) { }
+#endif  /* CONFIG_HAVE_HW_BREAKPOINT */
+#endif  /* __KERNEL__ */
+#endif  /* _PPC_BOOK3S_64_HW_BREAKPOINT_H */
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 9f0fc9e6ce0d..adc8e6cdf339 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -266,6 +266,7 @@ struct machdep_calls {
         void (*suspend_disable_irqs)(void);
         void (*suspend_enable_irqs)(void);
 #endif
+        int (*suspend_disable_cpu)(void);
 
 #ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
         ssize_t (*cpu_probe)(const char *, size_t);
@@ -277,6 +278,7 @@ extern void e500_idle(void);
 extern void power4_idle(void);
 extern void power4_cpu_offline_powersave(void);
 extern void ppc6xx_idle(void);
+extern void book3e_idle(void);
 
 /*
  * ppc_md contains a copy of the machine description structure for the
@@ -366,8 +368,5 @@ static inline void log_error(char *buf, unsigned int err_type, int fatal)
 #define machine_late_initcall(mach,fn)          __define_machine_initcall(mach,"7",fn,7)
 #define machine_late_initcall_sync(mach,fn)     __define_machine_initcall(mach,"7s",fn,7s)
 
-void generic_suspend_disable_irqs(void);
-void generic_suspend_enable_irqs(void);
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_MACHDEP_H */
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 74695816205c..87a1d787c5b6 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -193,6 +193,10 @@ struct mmu_psize_def
 {
         unsigned int    shift;  /* number of bits */
         unsigned int    enc;    /* PTE encoding */
+        unsigned int    ind;    /* Corresponding indirect page size shift */
+        unsigned int    flags;
+#define MMU_PAGE_SIZE_DIRECT    0x1     /* Supported as a direct size */
+#define MMU_PAGE_SIZE_INDIRECT  0x2     /* Supported as an indirect size */
 };
 extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
 
diff --git a/arch/powerpc/include/asm/mpc5121.h b/arch/powerpc/include/asm/mpc5121.h
index e6a30bb1d16a..8c0ab2ca689c 100644
--- a/arch/powerpc/include/asm/mpc5121.h
+++ b/arch/powerpc/include/asm/mpc5121.h
@@ -21,4 +21,36 @@ struct mpc512x_reset_module {
         u32     rcer;   /* Reset Control Enable Register */
 };
 
+/*
+ * Clock Control Module
+ */
+struct mpc512x_ccm {
+        u32     spmr;   /* System PLL Mode Register */
+        u32     sccr1;  /* System Clock Control Register 1 */
+        u32     sccr2;  /* System Clock Control Register 2 */
+        u32     scfr1;  /* System Clock Frequency Register 1 */
+        u32     scfr2;  /* System Clock Frequency Register 2 */
+        u32     scfr2s; /* System Clock Frequency Shadow Register 2 */
+        u32     bcr;    /* Bread Crumb Register */
+        u32     p0ccr;  /* PSC0 Clock Control Register */
+        u32     p1ccr;  /* PSC1 CCR */
+        u32     p2ccr;  /* PSC2 CCR */
+        u32     p3ccr;  /* PSC3 CCR */
+        u32     p4ccr;  /* PSC4 CCR */
+        u32     p5ccr;  /* PSC5 CCR */
+        u32     p6ccr;  /* PSC6 CCR */
+        u32     p7ccr;  /* PSC7 CCR */
+        u32     p8ccr;  /* PSC8 CCR */
+        u32     p9ccr;  /* PSC9 CCR */
+        u32     p10ccr; /* PSC10 CCR */
+        u32     p11ccr; /* PSC11 CCR */
+        u32     spccr;  /* SPDIF Clock Control Register */
+        u32     cccr;   /* CFM Clock Control Register */
+        u32     dccr;   /* DIU Clock Control Register */
+        u32     m1ccr;  /* MSCAN1 CCR */
+        u32     m2ccr;  /* MSCAN2 CCR */
+        u32     m3ccr;  /* MSCAN3 CCR */
+        u32     m4ccr;  /* MSCAN4 CCR */
+        u8      res[0x98]; /* Reserved */
+};
 #endif /* __ASM_POWERPC_MPC5121_H__ */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 8ce7963ad41d..1ff6662f7faf 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -146,7 +146,7 @@ struct paca_struct {
 extern struct paca_struct *paca;
 extern __initdata struct paca_struct boot_paca;
 extern void initialise_paca(struct paca_struct *new_paca, int cpu);
-
+extern void setup_paca(struct paca_struct *new_paca);
 extern void allocate_pacas(void);
 extern void free_unused_pacas(void);
 
diff --git a/arch/powerpc/include/asm/percpu.h b/arch/powerpc/include/asm/percpu.h
index f879252b7ea6..2cedefddba37 100644
--- a/arch/powerpc/include/asm/percpu.h
+++ b/arch/powerpc/include/asm/percpu.h
@@ -1,7 +1,6 @@
 #ifndef _ASM_POWERPC_PERCPU_H_
 #define _ASM_POWERPC_PERCPU_H_
 #ifdef __powerpc64__
-#include <linux/compiler.h>
 
 /*
  * Same as asm-generic/percpu.h, except that we store the per cpu offset
@@ -12,9 +11,7 @@
 
 #include <asm/paca.h>
 
-#define __per_cpu_offset(cpu) (paca[cpu].data_offset)
 #define __my_cpu_offset local_paca->data_offset
-#define per_cpu_offset(x) (__per_cpu_offset(x))
 
 #endif /* CONFIG_SMP */
 #endif /* __powerpc64__ */
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index d553bbeb726c..43adc8b819ed 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -52,13 +52,17 @@
 #define PPC_INST_WAIT                   0x7c00007c
 #define PPC_INST_TLBIVAX                0x7c000624
 #define PPC_INST_TLBSRX_DOT             0x7c0006a5
+#define PPC_INST_XXLOR                  0xf0000510
 
 /* macros to insert fields into opcodes */
 #define __PPC_RA(a)     (((a) & 0x1f) << 16)
 #define __PPC_RB(b)     (((b) & 0x1f) << 11)
 #define __PPC_RS(s)     (((s) & 0x1f) << 21)
 #define __PPC_RT(s)     __PPC_RS(s)
+#define __PPC_XA(a)     ((((a) & 0x1f) << 16) | (((a) & 0x20) >> 3))
+#define __PPC_XB(b)     ((((b) & 0x1f) << 11) | (((b) & 0x20) >> 4))
 #define __PPC_XS(s)     ((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
+#define __PPC_XT(s)     __PPC_XS(s)
 #define __PPC_T_TLB(t)  (((t) & 0x3) << 21)
 #define __PPC_WC(w)     (((w) & 0x3) << 21)
 /*
@@ -106,9 +110,12 @@
  * the 128 bit load store instructions based on that.
  */
 #define VSX_XX1(s, a, b)        (__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
+#define VSX_XX3(t, a, b)        (__PPC_XT(t) | __PPC_XA(a) | __PPC_XB(b))
 #define STXVD2X(s, a, b)        stringify_in_c(.long PPC_INST_STXVD2X | \
                                                VSX_XX1((s), (a), (b)))
 #define LXVD2X(s, a, b)         stringify_in_c(.long PPC_INST_LXVD2X | \
                                                VSX_XX1((s), (a), (b)))
+#define XXLOR(t, a, b)          stringify_in_c(.long PPC_INST_XXLOR | \
+                                               VSX_XX3((t), (a), (b)))
 
 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 7492fe8ad6e4..19c05b0f74be 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -209,6 +209,14 @@ struct thread_struct {
 #ifdef CONFIG_PPC64
         unsigned long   start_tb;       /* Start purr when proc switched in */
         unsigned long   accum_tb;       /* Total accumilated purr for process */
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+        struct perf_event *ptrace_bps[HBP_NUM];
+        /*
+         * Helps identify source of single-step exception and subsequent
+         * hw-breakpoint enablement
+         */
+        struct perf_event *last_hit_ubp;
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
 #endif
         unsigned long   dabr;           /* Data address breakpoint register */
 #ifdef CONFIG_ALTIVEC
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index d62fdf4e504b..d8be016d2ede 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -890,7 +890,7 @@
 #ifndef __ASSEMBLY__
 #define mfmsr()         ({unsigned long rval; \
                         asm volatile("mfmsr %0" : "=r" (rval)); rval;})
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_PPC_BOOK3S_64
 #define __mtmsrd(v, l)  asm volatile("mtmsrd %0," __stringify(l) \
                                      : : "r" (v) : "memory")
 #define mtmsrd(v)       __mtmsrd((v), 0)
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 2360317179a9..667a498eaee1 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -29,8 +29,8 @@
 #if defined(CONFIG_PPC_BOOK3E_64)
 #define MSR_            MSR_ME | MSR_CE
 #define MSR_KERNEL      MSR_ | MSR_CM
-#define MSR_USER32      MSR_ | MSR_PR | MSR_EE
-#define MSR_USER64      MSR_USER32 | MSR_CM
+#define MSR_USER32      MSR_ | MSR_PR | MSR_EE | MSR_DE
+#define MSR_USER64      MSR_USER32 | MSR_CM | MSR_DE
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL      (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
 #define MSR_USER        (MSR_KERNEL|MSR_PR|MSR_EE)
@@ -62,6 +62,7 @@
 #define SPRN_TLB0PS     0x158   /* TLB 0 Page Size Register */
 #define SPRN_MAS5_MAS6  0x15c   /* MMU Assist Register 5 || 6 */
 #define SPRN_MAS8_MAS1  0x15d   /* MMU Assist Register 8 || 1 */
+#define SPRN_EPTCFG     0x15e   /* Embedded Page Table Config */
 #define SPRN_MAS7_MAS3  0x174   /* MMU Assist Register 7 || 3 */
 #define SPRN_MAS0_MAS1  0x175   /* MMU Assist Register 0 || 1 */
 #define SPRN_IVOR0      0x190   /* Interrupt Vector Offset Register 0 */
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 20de73c36682..3d35f8ae377e 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -63,6 +63,14 @@ struct rtas_t {
         struct device_node *dev;        /* virtual address pointer */
 };
 
+struct rtas_suspend_me_data {
+        atomic_t working; /* number of cpus accessing this struct */
+        atomic_t done;
+        int token; /* ibm,suspend-me */
+        atomic_t error;
+        struct completion *complete; /* wait on this until working == 0 */
+};
+
 /* RTAS event classes */
 #define RTAS_INTERNAL_ERROR             0x80000000 /* set bit 0 */
 #define RTAS_EPOW_WARNING               0x40000000 /* set bit 1 */
@@ -137,6 +145,9 @@ struct rtas_t {
 #define RTAS_TYPE_PMGM_CONFIG_CHANGE    0x70
 #define RTAS_TYPE_PMGM_SERVICE_PROC     0x71
 
+/* RTAS check-exception vector offset */
+#define RTAS_VECTOR_EXTERNAL_INTERRUPT  0x500
+
 struct rtas_error_log {
         unsigned long version:8;                /* Architectural version */
         unsigned long severity:3;               /* Severity level of error */
@@ -174,6 +185,8 @@ extern int rtas_set_indicator(int indicator, int index, int new_value);
 extern int rtas_set_indicator_fast(int indicator, int index, int new_value);
 extern void rtas_progress(char *s, unsigned short hex);
 extern void rtas_initialize(void);
+extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
+extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
 
 struct rtc_time;
 extern unsigned long rtas_get_boot_time(void);
diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h
index 27ccb764fdab..dc779dfcf258 100644
--- a/arch/powerpc/include/asm/time.h
+++ b/arch/powerpc/include/asm/time.h
@@ -28,16 +28,12 @@
 extern unsigned long tb_ticks_per_jiffy;
 extern unsigned long tb_ticks_per_usec;
 extern unsigned long tb_ticks_per_sec;
-extern u64 tb_to_xs;
-extern unsigned      tb_to_us;
 
 struct rtc_time;
 extern void to_tm(int tim, struct rtc_time * tm);
 extern void GregorianDay(struct rtc_time *tm);
-extern time_t last_rtc_update;
 
 extern void generic_calibrate_decr(void);
-extern void wakeup_decrementer(void);
 extern void snapshot_timebase(void);
 
 extern void set_dec_cpu6(unsigned int val);
@@ -204,9 +200,6 @@ static inline unsigned long tb_ticks_since(unsigned long tstamp)
 extern u64 mulhdu(u64, u64);
 #endif
 
-extern void smp_space_timers(unsigned int);
-
-extern unsigned mulhwu_scale_factor(unsigned, unsigned);
 extern void div128_by_32(u64 dividend_high, u64 dividend_low,
                          unsigned divisor, struct div_result *dr);
 
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 32adf7280720..3033c1b30745 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -87,6 +87,9 @@ static inline int pcibus_to_node(struct pci_bus *bus)
         .balance_interval       = 1,                                    \
 }
 
+extern int __node_distance(int, int);
+#define node_distance(a, b) __node_distance(a, b)
+
 extern void __init dump_numa_cpu_topology(void);
 
 extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h
index 13c2c283e178..08679c5319b8 100644
--- a/arch/powerpc/include/asm/vdso_datapage.h
+++ b/arch/powerpc/include/asm/vdso_datapage.h
@@ -85,6 +85,7 @@ struct vdso_data {
         __s32 wtom_clock_sec;                   /* Wall to monotonic clock */
         __s32 wtom_clock_nsec;
         struct timespec stamp_xtime;    /* xtime as at tb_orig_stamp */
+        __u32 stamp_sec_fraction;       /* fractional seconds of stamp_xtime */
         __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls  */
         __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
 };
@@ -105,6 +106,7 @@ struct vdso_data {
         __s32 wtom_clock_sec;                   /* Wall to monotonic clock */
         __s32 wtom_clock_nsec;
         struct timespec stamp_xtime;    /* xtime as at tb_orig_stamp */
+        __u32 stamp_sec_fraction;       /* fractional seconds of stamp_xtime */
         __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
         __u32 dcache_block_size;        /* L1 d-cache block size     */
         __u32 icache_block_size;        /* L1 i-cache block size     */