25 files changed, 187 insertions, 182 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index ce5e045db305..692ac7588e20 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -121,6 +121,7 @@ config PPC
         select HAVE_KRETPROBES
         select HAVE_ARCH_TRACEHOOK
         select HAVE_MEMBLOCK
+        select HAVE_MEMBLOCK_NODE_MAP
         select HAVE_DMA_ATTRS
         select HAVE_DMA_API_DEBUG
         select USE_GENERIC_SMP_HELPERS if SMP
@@ -427,9 +428,6 @@ config ARCH_SPARSEMEM_DEFAULT
         def_bool y
         depends on (SMP && PPC_PSERIES) || PPC_PS3
 
-config ARCH_POPULATES_NODE_MAP
-        def_bool y
-
 config SYS_SUPPORTS_HUGETLBFS
         bool
 
diff --git a/arch/powerpc/boot/dts/tqm8548-bigflash.dts b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
index 7adab9407ebd..6e1ac50852a4 100644
--- a/arch/powerpc/boot/dts/tqm8548-bigflash.dts
+++ b/arch/powerpc/boot/dts/tqm8548-bigflash.dts
@@ -352,7 +352,7 @@
                 ranges = <
                         0 0x0 0xfc000000 0x04000000     // NOR FLASH bank 1
                         1 0x0 0xf8000000 0x08000000     // NOR FLASH bank 0
-                        2 0x0 0xa3000000 0x00008000     // CAN (2 x i82527)
+                        2 0x0 0xa3000000 0x00008000     // CAN (2 x CC770)
                         3 0x0 0xa3010000 0x00008000     // NAND FLASH
 
                 >;
@@ -393,18 +393,27 @@
                 };
 
                 /* Note: CAN support needs be enabled in U-Boot */
-                can0@2,0 {
-                        compatible = "intel,82527"; // Bosch CC770
+                can@2,0 {
+                        compatible = "bosch,cc770"; // Bosch CC770
                         reg = <2 0x0 0x100>;
                         interrupts = <4 1>;
                         interrupt-parent = <&mpic>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
+                        bosch,clock-out-frequency = <16000000>;
                 };
 
-                can1@2,100 {
-                        compatible = "intel,82527"; // Bosch CC770
+                can@2,100 {
+                        compatible = "bosch,cc770"; // Bosch CC770
                         reg = <2 0x100 0x100>;
                         interrupts = <4 1>;
                         interrupt-parent = <&mpic>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
                 };
 
                 /* Note: NAND support needs to be enabled in U-Boot */
diff --git a/arch/powerpc/boot/dts/tqm8548.dts b/arch/powerpc/boot/dts/tqm8548.dts
index 589860e673f6..161e75eac7f7 100644
--- a/arch/powerpc/boot/dts/tqm8548.dts
+++ b/arch/powerpc/boot/dts/tqm8548.dts
@@ -352,7 +352,7 @@
                 ranges = <
                         0 0x0 0xfc000000 0x04000000     // NOR FLASH bank 1
                         1 0x0 0xf8000000 0x08000000     // NOR FLASH bank 0
-                        2 0x0 0xe3000000 0x00008000     // CAN (2 x i82527)
+                        2 0x0 0xe3000000 0x00008000     // CAN (2 x CC770)
                         3 0x0 0xe3010000 0x00008000     // NAND FLASH
 
                 >;
@@ -393,18 +393,27 @@
                 };
 
                 /* Note: CAN support needs be enabled in U-Boot */
-                can0@2,0 {
-                        compatible = "intel,82527"; // Bosch CC770
+                can@2,0 {
+                        compatible = "bosch,cc770"; // Bosch CC770
                         reg = <2 0x0 0x100>;
                         interrupts = <4 1>;
                         interrupt-parent = <&mpic>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
+                        bosch,clock-out-frequency = <16000000>;
                 };
 
-                can1@2,100 {
-                        compatible = "intel,82527"; // Bosch CC770
+                can@2,100 {
+                        compatible = "bosch,cc770"; // Bosch CC770
                         reg = <2 0x100 0x100>;
                         interrupts = <4 1>;
                         interrupt-parent = <&mpic>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
                 };
 
                 /* Note: NAND support needs to be enabled in U-Boot */
diff --git a/arch/powerpc/boot/dts/tqm8xx.dts b/arch/powerpc/boot/dts/tqm8xx.dts
index f6da7ec49a8e..c3dba2518d8c 100644
--- a/arch/powerpc/boot/dts/tqm8xx.dts
+++ b/arch/powerpc/boot/dts/tqm8xx.dts
@@ -57,6 +57,7 @@
 
                 ranges = <
                         0x0 0x0 0x40000000 0x800000
+                        0x3 0x0 0xc0000000 0x200
                 >;
 
                 flash@0,0 {
@@ -67,6 +68,30 @@
                         bank-width = <4>;
                         device-width = <2>;
                 };
+
+                /* Note: CAN support needs be enabled in U-Boot */
+                can@3,0 {
+                        compatible = "intc,82527";
+                        reg = <3 0x0 0x80>;
+                        interrupts = <8 1>;
+                        interrupt-parent = <&PIC>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
+                        bosch,clock-out-frequency = <16000000>;
+                };
+
+                can@3,100 {
+                        compatible = "intc,82527";
+                        reg = <3 0x100 0x80>;
+                        interrupts = <8 1>;
+                        interrupt-parent = <&PIC>;
+                        bosch,external-clock-frequency = <16000000>;
+                        bosch,disconnect-rx1-input;
+                        bosch,disconnect-tx1-output;
+                        bosch,iso-low-speed-mux;
+                };
         };
 
         soc@fff00000 {
diff --git a/arch/powerpc/configs/ppc44x_defconfig b/arch/powerpc/configs/ppc44x_defconfig
index 6cdf1c0d2c8a..3b98d7354341 100644
--- a/arch/powerpc/configs/ppc44x_defconfig
+++ b/arch/powerpc/configs/ppc44x_defconfig
@@ -52,6 +52,8 @@ CONFIG_MTD_CFI=y
 CONFIG_MTD_JEDECPROBE=y
 CONFIG_MTD_CFI_AMDSTD=y
 CONFIG_MTD_PHYSMAP_OF=y
+CONFIG_MTD_NAND=m
+CONFIG_MTD_NAND_NDFC=m
 CONFIG_MTD_UBI=m
 CONFIG_MTD_UBI_GLUEBI=m
 CONFIG_PROC_DEVICETREE=y
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index 33a35801f7c9..487d46ff68a1 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -29,25 +29,8 @@ static inline void setup_cputime_one_jiffy(void) { }
 #include <asm/time.h>
 #include <asm/param.h>
 
-typedef u64 cputime_t;
-typedef u64 cputime64_t;
-
-#define cputime_zero                    ((cputime_t)0)
-#define cputime_max                     ((~((cputime_t)0) >> 1) - 1)
-#define cputime_add(__a, __b)           ((__a) +  (__b))
-#define cputime_sub(__a, __b)           ((__a) -  (__b))
-#define cputime_div(__a, __n)           ((__a) /  (__n))
-#define cputime_halve(__a)              ((__a) >> 1)
-#define cputime_eq(__a, __b)            ((__a) == (__b))
-#define cputime_gt(__a, __b)            ((__a) >  (__b))
-#define cputime_ge(__a, __b)            ((__a) >= (__b))
-#define cputime_lt(__a, __b)            ((__a) <  (__b))
-#define cputime_le(__a, __b)            ((__a) <= (__b))
-
-#define cputime64_zero                  ((cputime64_t)0)
-#define cputime64_add(__a, __b)         ((__a) + (__b))
-#define cputime64_sub(__a, __b)         ((__a) - (__b))
-#define cputime_to_cputime64(__ct)      (__ct)
+typedef u64 __nocast cputime_t;
+typedef u64 __nocast cputime64_t;
 
 #ifdef __KERNEL__
 
@@ -65,7 +48,7 @@ DECLARE_PER_CPU(unsigned long, cputime_scaled_last_delta);
 
 static inline unsigned long cputime_to_jiffies(const cputime_t ct)
 {
-        return mulhdu(ct, __cputime_jiffies_factor);
+        return mulhdu((__force u64) ct, __cputime_jiffies_factor);
 }
 
 /* Estimate the scaled cputime by scaling the real cputime based on
@@ -74,14 +57,15 @@ static inline cputime_t cputime_to_scaled(const cputime_t ct)
 {
         if (cpu_has_feature(CPU_FTR_SPURR) &&
             __get_cpu_var(cputime_last_delta))
-                return ct * __get_cpu_var(cputime_scaled_last_delta) /
-                            __get_cpu_var(cputime_last_delta);
+                return (__force u64) ct *
+                        __get_cpu_var(cputime_scaled_last_delta) /
+                        __get_cpu_var(cputime_last_delta);
         return ct;
 }
 
 static inline cputime_t jiffies_to_cputime(const unsigned long jif)
 {
-        cputime_t ct;
+        u64 ct;
         unsigned long sec;
 
         /* have to be a little careful about overflow */
@@ -93,7 +77,7 @@ static inline cputime_t jiffies_to_cputime(const unsigned long jif)
         }
         if (sec)
                 ct += (cputime_t) sec * tb_ticks_per_sec;
-        return ct;
+        return (__force cputime_t) ct;
 }
 
 static inline void setup_cputime_one_jiffy(void)
@@ -103,7 +87,7 @@ static inline void setup_cputime_one_jiffy(void)
 
 static inline cputime64_t jiffies64_to_cputime64(const u64 jif)
 {
-        cputime_t ct;
+        u64 ct;
         u64 sec;
 
         /* have to be a little careful about overflow */
@@ -114,13 +98,13 @@ static inline cputime64_t jiffies64_to_cputime64(const u64 jif)
                 do_div(ct, HZ);
         }
         if (sec)
-                ct += (cputime_t) sec * tb_ticks_per_sec;
-        return ct;
+                ct += (u64) sec * tb_ticks_per_sec;
+        return (__force cputime64_t) ct;
 }
 
 static inline u64 cputime64_to_jiffies64(const cputime_t ct)
 {
-        return mulhdu(ct, __cputime_jiffies_factor);
+        return mulhdu((__force u64) ct, __cputime_jiffies_factor);
 }
 
 /*
@@ -130,12 +114,12 @@ extern u64 __cputime_usec_factor;
 
 static inline unsigned long cputime_to_usecs(const cputime_t ct)
 {
-        return mulhdu(ct, __cputime_usec_factor);
+        return mulhdu((__force u64) ct, __cputime_usec_factor);
 }
 
 static inline cputime_t usecs_to_cputime(const unsigned long us)
 {
-        cputime_t ct;
+        u64 ct;
         unsigned long sec;
 
         /* have to be a little careful about overflow */
@@ -147,9 +131,11 @@ static inline cputime_t usecs_to_cputime(const unsigned long us)
         }
         if (sec)
                 ct += (cputime_t) sec * tb_ticks_per_sec;
-        return ct;
+        return (__force cputime_t) ct;
 }
 
+#define usecs_to_cputime64(us)          usecs_to_cputime(us)
+
 /*
  * Convert cputime <-> seconds
  */
@@ -157,12 +143,12 @@ extern u64 __cputime_sec_factor;
 
 static inline unsigned long cputime_to_secs(const cputime_t ct)
 {
-        return mulhdu(ct, __cputime_sec_factor);
+        return mulhdu((__force u64) ct, __cputime_sec_factor);
 }
 
 static inline cputime_t secs_to_cputime(const unsigned long sec)
 {
-        return (cputime_t) sec * tb_ticks_per_sec;
+        return (__force cputime_t)((u64) sec * tb_ticks_per_sec);
 }
 
 /*
@@ -170,7 +156,7 @@ static inline cputime_t secs_to_cputime(const unsigned long sec)
  */
 static inline void cputime_to_timespec(const cputime_t ct, struct timespec *p)
 {
-        u64 x = ct;
+        u64 x = (__force u64) ct;
         unsigned int frac;
 
         frac = do_div(x, tb_ticks_per_sec);
@@ -182,11 +168,11 @@ static inline void cputime_to_timespec(const cputime_t ct, struct timespec *p)
 
 static inline cputime_t timespec_to_cputime(const struct timespec *p)
 {
-        cputime_t ct;
+        u64 ct;
 
         ct = (u64) p->tv_nsec * tb_ticks_per_sec;
         do_div(ct, 1000000000);
-        return ct + (u64) p->tv_sec * tb_ticks_per_sec;
+        return (__force cputime_t)(ct + (u64) p->tv_sec * tb_ticks_per_sec);
 }
 
 /*
@@ -194,7 +180,7 @@ static inline cputime_t timespec_to_cputime(const struct timespec *p)
  */
 static inline void cputime_to_timeval(const cputime_t ct, struct timeval *p)
 {
-        u64 x = ct;
+        u64 x = (__force u64) ct;
         unsigned int frac;
 
         frac = do_div(x, tb_ticks_per_sec);
@@ -206,11 +192,11 @@ static inline void cputime_to_timeval(const cputime_t ct, struct timeval *p)
 
 static inline cputime_t timeval_to_cputime(const struct timeval *p)
 {
-        cputime_t ct;
+        u64 ct;
 
         ct = (u64) p->tv_usec * tb_ticks_per_sec;
         do_div(ct, 1000000);
-        return ct + (u64) p->tv_sec * tb_ticks_per_sec;
+        return (__force cputime_t)(ct + (u64) p->tv_sec * tb_ticks_per_sec);
 }
 
 /*
@@ -220,12 +206,12 @@ extern u64 __cputime_clockt_factor;
 
 static inline unsigned long cputime_to_clock_t(const cputime_t ct)
 {
-        return mulhdu(ct, __cputime_clockt_factor);
+        return mulhdu((__force u64) ct, __cputime_clockt_factor);
 }
 
 static inline cputime_t clock_t_to_cputime(const unsigned long clk)
 {
-        cputime_t ct;
+        u64 ct;
         unsigned long sec;
 
         /* have to be a little careful about overflow */
@@ -236,8 +222,8 @@ static inline cputime_t clock_t_to_cputime(const unsigned long clk)
                 do_div(ct, USER_HZ);
         }
         if (sec)
-                ct += (cputime_t) sec * tb_ticks_per_sec;
-        return ct;
+                ct += (u64) sec * tb_ticks_per_sec;
+        return (__force cputime_t) ct;
 }
 
 #define cputime64_to_clock_t(ct)        cputime_to_clock_t((cputime_t)(ct))
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index d4df013ad779..69c7377d2071 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -381,39 +381,6 @@ static inline bool kvmppc_critical_section(struct kvm_vcpu *vcpu)
 }
 #endif
 
-static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
-                                             unsigned long pte_index)
-{
-        unsigned long rb, va_low;
-
-        rb = (v & ~0x7fUL) << 16;               /* AVA field */
-        va_low = pte_index >> 3;
-        if (v & HPTE_V_SECONDARY)
-                va_low = ~va_low;
-        /* xor vsid from AVA */
-        if (!(v & HPTE_V_1TB_SEG))
-                va_low ^= v >> 12;
-        else
-                va_low ^= v >> 24;
-        va_low &= 0x7ff;
-        if (v & HPTE_V_LARGE) {
-                rb |= 1;                        /* L field */
-                if (cpu_has_feature(CPU_FTR_ARCH_206) &&
-                    (r & 0xff000)) {
-                        /* non-16MB large page, must be 64k */
-                        /* (masks depend on page size) */
-                        rb |= 0x1000;           /* page encoding in LP field */
-                        rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
-                        rb |= (va_low & 0xfe);  /* AVAL field (P7 doesn't seem to care) */
-                }
-        } else {
-                /* 4kB page */
-                rb |= (va_low & 0x7ff) << 12;   /* remaining 11b of VA */
-        }
-        rb |= (v >> 54) & 0x300;                /* B field */
-        return rb;
-}
-
 /* Magic register values loaded into r3 and r4 before the 'sc' assembly
  * instruction for the OSI hypercalls */
 #define OSI_SC_MAGIC_R3                 0x113724FA
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index e43fe42b9875..d0ac94f98f9e 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -29,4 +29,37 @@ static inline struct kvmppc_book3s_shadow_vcpu *to_svcpu(struct kvm_vcpu *vcpu)
 
 #define SPAPR_TCE_SHIFT         12
 
+static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
+                                             unsigned long pte_index)
+{
+        unsigned long rb, va_low;
+
+        rb = (v & ~0x7fUL) << 16;               /* AVA field */
+        va_low = pte_index >> 3;
+        if (v & HPTE_V_SECONDARY)
+                va_low = ~va_low;
+        /* xor vsid from AVA */
+        if (!(v & HPTE_V_1TB_SEG))
+                va_low ^= v >> 12;
+        else
+                va_low ^= v >> 24;
+        va_low &= 0x7ff;
+        if (v & HPTE_V_LARGE) {
+                rb |= 1;                        /* L field */
+                if (cpu_has_feature(CPU_FTR_ARCH_206) &&
+                    (r & 0xff000)) {
+                        /* non-16MB large page, must be 64k */
+                        /* (masks depend on page size) */
+                        rb |= 0x1000;           /* page encoding in LP field */
+                        rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
+                        rb |= (va_low & 0xfe);  /* AVAL field (P7 doesn't seem to care) */
+                }
+        } else {
+                /* 4kB page */
+                rb |= (va_low & 0x7ff) << 12;   /* remaining 11b of VA */
+        }
+        rb |= (v >> 54) & 0x300;                /* B field */
+        return rb;
+}
+
 #endif /* __ASM_KVM_BOOK3S_64_H__ */
diff --git a/arch/powerpc/include/asm/memblock.h b/arch/powerpc/include/asm/memblock.h
deleted file mode 100644
index 43efc345065e..000000000000
--- a/arch/powerpc/include/asm/memblock.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _ASM_POWERPC_MEMBLOCK_H
-#define _ASM_POWERPC_MEMBLOCK_H
-
-#include <asm/udbg.h>
-
-#define MEMBLOCK_DBG(fmt...) udbg_printf(fmt)
-
-#endif /* _ASM_POWERPC_MEMBLOCK_H */
diff --git a/arch/powerpc/include/asm/socket.h b/arch/powerpc/include/asm/socket.h
index 866f7606da68..2fc2af8fbf59 100644
--- a/arch/powerpc/include/asm/socket.h
+++ b/arch/powerpc/include/asm/socket.h
@@ -69,4 +69,7 @@
 
 #define SO_RXQ_OVFL             40
 
+#define SO_WIFI_STATUS          41
+#define SCM_WIFI_STATUS         SO_WIFI_STATUS
+
 #endif  /* _ASM_POWERPC_SOCKET_H */
diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index 8574b0e81ff1..7c66ce13da89 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -50,6 +50,12 @@ static int __init powersave_off(char *arg)
 }
 __setup("powersave=off", powersave_off);
 
+#if defined(CONFIG_PPC_PSERIES) && defined(CONFIG_TRACEPOINTS)
+static const bool idle_uses_rcu = 1;
+#else
+static const bool idle_uses_rcu;
+#endif
+
 /*
  * The body of the idle task.
  */
@@ -60,7 +66,10 @@ void cpu_idle(void)
 
         set_thread_flag(TIF_POLLING_NRFLAG);
         while (1) {
-                tick_nohz_stop_sched_tick(1);
+                tick_nohz_idle_enter();
+                if (!idle_uses_rcu)
+                        rcu_idle_enter();
+
                 while (!need_resched() && !cpu_should_die()) {
                         ppc64_runlatch_off();
 
@@ -97,7 +106,9 @@ void cpu_idle(void)
 
                 HMT_medium();
                 ppc64_runlatch_on();
-                tick_nohz_restart_sched_tick();
+                if (!idle_uses_rcu)
+                        rcu_idle_exit();
+                tick_nohz_idle_exit();
                 preempt_enable_no_resched();
                 if (cpu_should_die())
                         cpu_die();
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index ec50bb965538..c957b1202bdc 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -107,9 +107,6 @@ void __init reserve_crashkernel(void)
         unsigned long long crash_size, crash_base;
         int ret;
 
-        /* this is necessary because of memblock_phys_mem_size() */
-        memblock_analyze();
-
         /* use common parsing */
         ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
                         &crash_size, &crash_base);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index fa1235b0503b..abe405dab34d 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -733,8 +733,6 @@ void __init early_init_devtree(void *params)
         of_scan_flat_dt(early_init_dt_scan_chosen_ppc, cmd_line);
 
         /* Scan memory nodes and rebuild MEMBLOCKs */
-        memblock_init();
-
         of_scan_flat_dt(early_init_dt_scan_root, NULL);
         of_scan_flat_dt(early_init_dt_scan_memory_ppc, NULL);
 
@@ -756,20 +754,14 @@ void __init early_init_devtree(void *params)
         early_reserve_mem();
         phyp_dump_reserve_mem();
 
-        limit = memory_limit;
-        if (! limit) {
-                phys_addr_t memsize;
-
-                /* Ensure that total memory size is page-aligned, because
-                 * otherwise mark_bootmem() gets upset. */
-                memblock_analyze();
-                memsize = memblock_phys_mem_size();
-                if ((memsize & PAGE_MASK) != memsize)
-                        limit = memsize & PAGE_MASK;
-        }
+        /*
+         * Ensure that total memory size is page-aligned, because otherwise
+         * mark_bootmem() gets upset.
+         */
+        limit = ALIGN(memory_limit ?: memblock_phys_mem_size(), PAGE_SIZE);
         memblock_enforce_memory_limit(limit);
 
-        memblock_analyze();
+        memblock_allow_resize();
         memblock_dump_all();
 
         DBG("Phys. mem: %llx\n", memblock_phys_mem_size());
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0cb137a9b038..336983da9e72 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -538,7 +538,7 @@ static void kvmppc_start_thread(struct kvm_vcpu *vcpu)
         tpaca->kvm_hstate.napping = 0;
         vcpu->cpu = vc->pcpu;
         smp_wmb();
-#ifdef CONFIG_PPC_ICP_NATIVE
+#if defined(CONFIG_PPC_ICP_NATIVE) && defined(CONFIG_SMP)
         if (vcpu->arch.ptid) {
                 tpaca->cpu_start = 0x80;
                 wmb();
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 3c791e1eb675..e2cfb9e1e20e 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -658,10 +658,12 @@ program_interrupt:
                         ulong cmd = kvmppc_get_gpr(vcpu, 3);
                         int i;
 
+#ifdef CONFIG_KVM_BOOK3S_64_PR
                         if (kvmppc_h_pr(vcpu, cmd) == EMULATE_DONE) {
                                 r = RESUME_GUEST;
                                 break;
                         }
+#endif
 
                         run->papr_hcall.nr = cmd;
                         for (i = 0; i < 9; ++i) {
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 26d20903f2bc..8c0d45a6faf7 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -15,6 +15,7 @@
 #include <linux/kvm_host.h>
 #include <linux/slab.h>
 #include <linux/err.h>
+#include <linux/export.h>
 
 #include <asm/reg.h>
 #include <asm/cputable.h>
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 79c575d3dd63..a8b3cc7d90fe 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -15,6 +15,7 @@
 #include <linux/of_fdt.h>
 #include <linux/memblock.h>
 #include <linux/bootmem.h>
+#include <linux/moduleparam.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/tlb.h>
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 60a4e4e84e8c..6157be2a7049 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -141,8 +141,7 @@ void __init MMU_init(void)
 
         if (memblock.memory.cnt > 1) {
 #ifndef CONFIG_WII
-                memblock.memory.cnt = 1;
-                memblock_analyze();
+                memblock_enforce_memory_limit(memblock.memory.regions[0].size);
                 printk(KERN_WARNING "Only using first contiguous memory region");
 #else
                 wii_memory_fixups();
@@ -165,7 +164,6 @@ void __init MMU_init(void)
 #ifndef CONFIG_HIGHMEM
                 total_memory = total_lowmem;
                 memblock_enforce_memory_limit(total_lowmem);
-                memblock_analyze();
 #endif /* CONFIG_HIGHMEM */
         }
 
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 395f42d5f785..d974b79a3068 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -200,7 +200,7 @@ void __init do_init_bootmem(void)
                 unsigned long start_pfn, end_pfn;
                 start_pfn = memblock_region_memory_base_pfn(reg);
                 end_pfn = memblock_region_memory_end_pfn(reg);
-                add_active_range(0, start_pfn, end_pfn);
+                memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
         }
 
         /* Add all physical memory to the bootmem map, mark each area
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 542156637487..c0189c169bbb 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -127,45 +127,25 @@ static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn,
 }
 
 /*
- * get_active_region_work_fn - A helper function for get_node_active_region
- *      Returns datax set to the start_pfn and end_pfn if they contain
- *      the initial value of datax->start_pfn between them
- * @start_pfn: start page(inclusive) of region to check
- * @end_pfn: end page(exclusive) of region to check
- * @datax: comes in with ->start_pfn set to value to search for and
- *      goes out with active range if it contains it
- * Returns 1 if search value is in range else 0
- */
-static int __init get_active_region_work_fn(unsigned long start_pfn,
-                                        unsigned long end_pfn, void *datax)
-{
-        struct node_active_region *data;
-        data = (struct node_active_region *)datax;
-
-        if (start_pfn <= data->start_pfn && end_pfn > data->start_pfn) {
-                data->start_pfn = start_pfn;
-                data->end_pfn = end_pfn;
-                return 1;
-        }
-        return 0;
-
-}
-
-/*
- * get_node_active_region - Return active region containing start_pfn
+ * get_node_active_region - Return active region containing pfn
  * Active range returned is empty if none found.
- * @start_pfn: The page to return the region for.
- * @node_ar: Returned set to the active region containing start_pfn
+ * @pfn: The page to return the region for
+ * @node_ar: Returned set to the active region containing @pfn
  */
-static void __init get_node_active_region(unsigned long start_pfn,
-                       struct node_active_region *node_ar)
+static void __init get_node_active_region(unsigned long pfn,
+                                          struct node_active_region *node_ar)
 {
-        int nid = early_pfn_to_nid(start_pfn);
+        unsigned long start_pfn, end_pfn;
+        int i, nid;
 
-        node_ar->nid = nid;
-        node_ar->start_pfn = start_pfn;
-        node_ar->end_pfn = start_pfn;
-        work_with_active_regions(nid, get_active_region_work_fn, node_ar);
+        for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) {
+                if (pfn >= start_pfn && pfn < end_pfn) {
+                        node_ar->nid = nid;
+                        node_ar->start_pfn = start_pfn;
+                        node_ar->end_pfn = end_pfn;
+                        break;
+                }
+        }
 }
 
 static void map_cpu_to_node(int cpu, int node)
@@ -710,9 +690,7 @@ static void __init parse_drconf_memory(struct device_node *memory)
                         node_set_online(nid);
                         sz = numa_enforce_memory_limit(base, size);
                         if (sz)
-                                add_active_range(nid, base >> PAGE_SHIFT,
-                                                 (base >> PAGE_SHIFT)
-                                                 + (sz >> PAGE_SHIFT));
+                                memblock_set_node(base, sz, nid);
                 } while (--ranges);
         }
 }
@@ -802,8 +780,7 @@ new_range:
                                 continue;
                 }
 
-                add_active_range(nid, start >> PAGE_SHIFT,
-                                (start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));
+                memblock_set_node(start, size, nid);
 
                 if (--ranges)
                         goto new_range;
@@ -839,7 +816,8 @@ static void __init setup_nonnuma(void)
                 end_pfn = memblock_region_memory_end_pfn(reg);
 
                 fake_numa_create_new_node(end_pfn, &nid);
-                add_active_range(nid, start_pfn, end_pfn);
+                memblock_set_node(PFN_PHYS(start_pfn),
+                                  PFN_PHYS(end_pfn - start_pfn), nid);
                 node_set_online(nid);
         }
 }
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index b2c65c660852..df32a838dcfa 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -615,7 +615,6 @@ static void __early_init_mmu(int boot_cpu)
 
                 /* limit memory so we dont have linear faults */
                 memblock_enforce_memory_limit(linear_map_top);
-                memblock_analyze();
 
                 patch_exception(0x1c0, exc_data_tlb_miss_bolted_book3e);
                 patch_exception(0x1e0, exc_instruction_tlb_miss_bolted_book3e);
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 1b5dc1a2e145..6d8dadf19f0b 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -79,24 +79,19 @@ void __init wii_memory_fixups(void)
         BUG_ON(memblock.memory.cnt != 2);
         BUG_ON(!page_aligned(p[0].base) || !page_aligned(p[1].base));
 
-        p[0].size = _ALIGN_DOWN(p[0].size, PAGE_SIZE);
-        p[1].size = _ALIGN_DOWN(p[1].size, PAGE_SIZE);
+        /* trim unaligned tail */
+        memblock_remove(ALIGN(p[1].base + p[1].size, PAGE_SIZE),
+                        (phys_addr_t)ULLONG_MAX);
 
-        wii_hole_start = p[0].base + p[0].size;
+        /* determine hole, add & reserve them */
+        wii_hole_start = ALIGN(p[0].base + p[0].size, PAGE_SIZE);
         wii_hole_size = p[1].base - wii_hole_start;
-
-        pr_info("MEM1: <%08llx %08llx>\n", p[0].base, p[0].size);
-        pr_info("HOLE: <%08lx %08lx>\n", wii_hole_start, wii_hole_size);
-        pr_info("MEM2: <%08llx %08llx>\n", p[1].base, p[1].size);
-
-        p[0].size += wii_hole_size + p[1].size;
-
-        memblock.memory.cnt = 1;
-        memblock_analyze();
-
-        /* reserve the hole */
+        memblock_add(wii_hole_start, wii_hole_size);
         memblock_reserve(wii_hole_start, wii_hole_size);
 
+        BUG_ON(memblock.memory.cnt != 1);
+        __memblock_dump_all();
+
         /* allow ioremapping the address space in the hole */
         __allow_ioremap_reserved = 1;
 }
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index ea0acbd8966d..8fc62586a973 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -563,7 +563,8 @@ static void yield_shared_processor(void)
 static void iseries_shared_idle(void)
 {
         while (1) {
-                tick_nohz_stop_sched_tick(1);
+                tick_nohz_idle_enter();
+                rcu_idle_enter();
                 while (!need_resched() && !hvlpevent_is_pending()) {
                         local_irq_disable();
                         ppc64_runlatch_off();
@@ -577,7 +578,8 @@ static void iseries_shared_idle(void)
                 }
 
                 ppc64_runlatch_on();
-                tick_nohz_restart_sched_tick();
+                rcu_idle_exit();
+                tick_nohz_idle_exit();
 
                 if (hvlpevent_is_pending())
                         process_iSeries_events();
@@ -593,7 +595,8 @@ static void iseries_dedicated_idle(void)
         set_thread_flag(TIF_POLLING_NRFLAG);
 
         while (1) {
-                tick_nohz_stop_sched_tick(1);
+                tick_nohz_idle_enter();
+                rcu_idle_enter();
                 if (!need_resched()) {
                         while (!need_resched()) {
                                 ppc64_runlatch_off();
@@ -610,7 +613,8 @@ static void iseries_dedicated_idle(void)
                 }
 
                 ppc64_runlatch_on();
-                tick_nohz_restart_sched_tick();
+                rcu_idle_exit();
+                tick_nohz_idle_exit();
                 preempt_enable_no_resched();
                 schedule();
                 preempt_disable();
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 72714ad27842..8bd6ba542691 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -319,7 +319,6 @@ static int __init ps3_mm_add_memory(void)
         }
 
         memblock_add(start_addr, map.r1.size);
-        memblock_analyze();
 
         result = online_pages(start_pfn, nr_pages);
 
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index dc36ea6c7727..948e0e3b3547 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -556,6 +556,8 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
         (*depth)++;
         preempt_disable();
         trace_hcall_entry(opcode, args);
+        if (opcode == H_CEDE)
+                rcu_idle_enter();
         (*depth)--;
 
 out:
@@ -576,6 +578,8 @@ void __trace_hcall_exit(long opcode, unsigned long retval,
                 goto out;
 
         (*depth)++;
+        if (opcode == H_CEDE)
+                rcu_idle_exit();
         trace_hcall_exit(opcode, retval, retbuf);
         preempt_enable();
         (*depth)--;