18 files changed, 40 insertions, 117 deletions

diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index a5b632e52fa..3839839f83c 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -732,7 +732,7 @@ int fix_alignment(struct pt_regs *regs)
 
 #ifdef CONFIG_SPE
         if ((instr >> 26) == 0x4) {
-                PPC_WARN_EMULATED(spe);
+                PPC_WARN_ALIGNMENT(spe, regs);
                 return emulate_spe(regs, reg, instr);
         }
 #endif
@@ -786,7 +786,7 @@ int fix_alignment(struct pt_regs *regs)
                         flags |= SPLT;
                         nb = 8;
                 }
-                PPC_WARN_EMULATED(vsx);
+                PPC_WARN_ALIGNMENT(vsx, regs);
                 return emulate_vsx(addr, reg, areg, regs, flags, nb);
         }
 #endif
@@ -794,7 +794,7 @@ int fix_alignment(struct pt_regs *regs)
          * the exception of DCBZ which is handled as a special case here
          */
         if (instr == DCBZ) {
-                PPC_WARN_EMULATED(dcbz);
+                PPC_WARN_ALIGNMENT(dcbz, regs);
                 return emulate_dcbz(regs, addr);
         }
         if (unlikely(nb == 0))
@@ -804,7 +804,7 @@ int fix_alignment(struct pt_regs *regs)
          * function
          */
         if (flags & M) {
-                PPC_WARN_EMULATED(multiple);
+                PPC_WARN_ALIGNMENT(multiple, regs);
                 return emulate_multiple(regs, addr, reg, nb,
                                         flags, instr, swiz);
         }
@@ -825,11 +825,11 @@ int fix_alignment(struct pt_regs *regs)
 
         /* Special case for 16-byte FP loads and stores */
         if (nb == 16) {
-                PPC_WARN_EMULATED(fp_pair);
+                PPC_WARN_ALIGNMENT(fp_pair, regs);
                 return emulate_fp_pair(addr, reg, flags);
         }
 
-        PPC_WARN_EMULATED(unaligned);
+        PPC_WARN_ALIGNMENT(unaligned, regs);
 
         /* If we are loading, get the data from user space, else
          * get it from register values
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 9763267e38b..bdcb557d470 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -551,7 +551,7 @@ restore:
 BEGIN_FW_FTR_SECTION
         ld      r5,SOFTE(r1)
 FW_FTR_SECTION_ELSE
-        b       iseries_check_pending_irqs
+        b       .Liseries_check_pending_irqs
 ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
 2:
         TRACE_AND_RESTORE_IRQ(r5);
@@ -623,7 +623,7 @@ ALT_FW_FTR_SECTION_END_IFCLR(FW_FEATURE_ISERIES)
 
 #endif /* CONFIG_PPC_BOOK3E */
 
-iseries_check_pending_irqs:
+.Liseries_check_pending_irqs:
 #ifdef CONFIG_PPC_ISERIES
         ld      r5,SOFTE(r1)
         cmpdi   0,r5,0
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index fc3ead066ce..e3be98ffe2a 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -190,14 +190,17 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE)
          * prolog code of the PerformanceMonitor one. A little
          * trickery is thus necessary
          */
+performance_monitor_pSeries_1:
         . = 0xf00
         DO_KVM  0xf00
         b       performance_monitor_pSeries
 
+altivec_unavailable_pSeries_1:
         . = 0xf20
         DO_KVM  0xf20
         b       altivec_unavailable_pSeries
 
+vsx_unavailable_pSeries_1:
         . = 0xf40
         DO_KVM  0xf40
         b       vsx_unavailable_pSeries
diff --git a/arch/powerpc/kernel/idle.c b/arch/powerpc/kernel/idle.c
index 88d9c1d5e5f..049dda60e47 100644
--- a/arch/powerpc/kernel/idle.c
+++ b/arch/powerpc/kernel/idle.c
@@ -110,18 +110,16 @@ int powersave_nap;
  */
 static ctl_table powersave_nap_ctl_table[]={
         {
-                .ctl_name       = KERN_PPC_POWERSAVE_NAP,
                 .procname       = "powersave-nap",
                 .data           = &powersave_nap,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec,
+                .proc_handler   = proc_dointvec,
         },
         {}
 };
 static ctl_table powersave_nap_sysctl_root[] = {
         {
-                .ctl_name       = CTL_KERN,
                 .procname       = "kernel",
                 .mode           = 0555,
                 .child          = powersave_nap_ctl_table,
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 042a5300970..f6dca4f4b29 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -70,6 +70,8 @@
 #include <asm/firmware.h>
 #include <asm/lv1call.h>
 #endif
+#define CREATE_TRACE_POINTS
+#include <asm/trace.h>
 
 int __irq_offset_value;
 static int ppc_spurious_interrupts;
@@ -340,6 +342,8 @@ void do_IRQ(struct pt_regs *regs)
         struct pt_regs *old_regs = set_irq_regs(regs);
         unsigned int irq;
 
+        trace_irq_entry(regs);
+
         irq_enter();
 
         check_stack_overflow();
@@ -363,6 +367,8 @@ void do_IRQ(struct pt_regs *regs)
                 timer_interrupt(regs);
         }
 #endif
+
+        trace_irq_exit(regs);
 }
 
 void __init init_IRQ(void)
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index 87f1663584b..1eb85fbf53a 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1165,7 +1165,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
          */
         if (record) {
                 struct perf_sample_data data = {
-                        .addr   = 0,
+                        .addr   = ~0ULL,
                         .period = event->hw.last_period,
                 };
 
diff --git a/arch/powerpc/kernel/power5+-pmu.c b/arch/powerpc/kernel/power5+-pmu.c
index 0f4c1c73a6a..199de527d41 100644
--- a/arch/powerpc/kernel/power5+-pmu.c
+++ b/arch/powerpc/kernel/power5+-pmu.c
@@ -73,10 +73,6 @@
 #define MMCR1_PMCSEL_MSK        0x7f
 
 /*
- * Bits in MMCRA
- */
-
-/*
  * Layout of constraint bits:
  * 6666555555555544444444443333333333222222222211111111110000000000
  * 3210987654321098765432109876543210987654321098765432109876543210
diff --git a/arch/powerpc/kernel/power5-pmu.c b/arch/powerpc/kernel/power5-pmu.c
index c351b3a57fb..98b6a729a9d 100644
--- a/arch/powerpc/kernel/power5-pmu.c
+++ b/arch/powerpc/kernel/power5-pmu.c
@@ -73,10 +73,6 @@
 #define MMCR1_PMCSEL_MSK        0x7f
 
 /*
- * Bits in MMCRA
- */
-
-/*
  * Layout of constraint bits:
  * 6666555555555544444444443333333333222222222211111111110000000000
  * 3210987654321098765432109876543210987654321098765432109876543210
@@ -390,7 +386,7 @@ static int power5_compute_mmcr(u64 event[], int n_ev,
                                unsigned int hwc[], unsigned long mmcr[])
 {
         unsigned long mmcr1 = 0;
-        unsigned long mmcra = 0;
+        unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
         unsigned int pmc, unit, byte, psel;
         unsigned int ttm, grp;
         int i, isbus, bit, grsel;
diff --git a/arch/powerpc/kernel/power6-pmu.c b/arch/powerpc/kernel/power6-pmu.c
index ca399ba5034..84a607bda8f 100644
--- a/arch/powerpc/kernel/power6-pmu.c
+++ b/arch/powerpc/kernel/power6-pmu.c
@@ -178,7 +178,7 @@ static int p6_compute_mmcr(u64 event[], int n_ev,
                            unsigned int hwc[], unsigned long mmcr[])
 {
         unsigned long mmcr1 = 0;
-        unsigned long mmcra = 0;
+        unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
         int i;
         unsigned int pmc, ev, b, u, s, psel;
         unsigned int ttmset = 0;
diff --git a/arch/powerpc/kernel/power7-pmu.c b/arch/powerpc/kernel/power7-pmu.c
index 28a4daacdc0..852f7b7f6b4 100644
--- a/arch/powerpc/kernel/power7-pmu.c
+++ b/arch/powerpc/kernel/power7-pmu.c
@@ -51,10 +51,6 @@
 #define MMCR1_PMCSEL_MSK        0xff
 
 /*
- * Bits in MMCRA
- */
-
-/*
  * Layout of constraint bits:
  * 6666555555555544444444443333333333222222222211111111110000000000
  * 3210987654321098765432109876543210987654321098765432109876543210
@@ -230,7 +226,7 @@ static int power7_compute_mmcr(u64 event[], int n_ev,
                                unsigned int hwc[], unsigned long mmcr[])
 {
         unsigned long mmcr1 = 0;
-        unsigned long mmcra = 0;
+        unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
         unsigned int pmc, unit, combine, l2sel, psel;
         unsigned int pmc_inuse = 0;
         int i;
diff --git a/arch/powerpc/kernel/ppc970-pmu.c b/arch/powerpc/kernel/ppc970-pmu.c
index 479574413a9..8eff48e20db 100644
--- a/arch/powerpc/kernel/ppc970-pmu.c
+++ b/arch/powerpc/kernel/ppc970-pmu.c
@@ -84,10 +84,6 @@ static short mmcr1_adder_bits[8] = {
 };
 
 /*
- * Bits in MMCRA
- */
-
-/*
  * Layout of constraint bits:
  * 6666555555555544444444443333333333222222222211111111110000000000
  * 3210987654321098765432109876543210987654321098765432109876543210
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index d4405b95bfa..4ec30086246 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -1317,29 +1317,6 @@ struct device_node *of_find_next_cache_node(struct device_node *np)
 }
 
 /**
- *      of_find_all_nodes - Get next node in global list
- *      @prev:  Previous node or NULL to start iteration
- *              of_node_put() will be called on it
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_all_nodes(struct device_node *prev)
-{
-        struct device_node *np;
-
-        read_lock(&devtree_lock);
-        np = prev ? prev->allnext : allnodes;
-        for (; np != 0; np = np->allnext)
-                if (of_node_get(np))
-                        break;
-        of_node_put(prev);
-        read_unlock(&devtree_lock);
-        return np;
-}
-EXPORT_SYMBOL(of_find_all_nodes);
-
-/**
  *      of_node_get - Increment refcount of a node
  *      @node:  Node to inc refcount, NULL is supported to
  *              simplify writing of callers
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 4271f7a655a..845c72ab735 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -660,6 +660,7 @@ late_initcall(check_cache_coherency);
 
 #ifdef CONFIG_DEBUG_FS
 struct dentry *powerpc_debugfs_root;
+EXPORT_SYMBOL(powerpc_debugfs_root);
 
 static int powerpc_debugfs_init(void)
 {
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 53bcf3d792d..b152de3e64d 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -345,7 +345,7 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_SWIOTLB
         if (ppc_swiotlb_enable)
-                swiotlb_init();
+                swiotlb_init(1);
 #endif
 
         paging_init();
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index fd785f7a279..6568406b2a3 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -545,7 +545,7 @@ void __init setup_arch(char **cmdline_p)
 
 #ifdef CONFIG_SWIOTLB
         if (ppc_swiotlb_enable)
-                swiotlb_init();
+                swiotlb_init(1);
 #endif
 
         paging_init();
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index b97c2d67f4a..c5a4732bcc4 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -520,58 +520,6 @@ asmlinkage long compat_sys_umask(u32 mask)
         return sys_umask((int)mask);
 }
 
-#ifdef CONFIG_SYSCTL_SYSCALL
-struct __sysctl_args32 {
-        u32 name;
-        int nlen;
-        u32 oldval;
-        u32 oldlenp;
-        u32 newval;
-        u32 newlen;
-        u32 __unused[4];
-};
-
-asmlinkage long compat_sys_sysctl(struct __sysctl_args32 __user *args)
-{
-        struct __sysctl_args32 tmp;
-        int error;
-        size_t oldlen;
-        size_t __user *oldlenp = NULL;
-        unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
-
-        if (copy_from_user(&tmp, args, sizeof(tmp)))
-                return -EFAULT;
-
-        if (tmp.oldval && tmp.oldlenp) {
-                /* Duh, this is ugly and might not work if sysctl_args
-                   is in read-only memory, but do_sysctl does indirectly
-                   a lot of uaccess in both directions and we'd have to
-                   basically copy the whole sysctl.c here, and
-                   glibc's __sysctl uses rw memory for the structure
-                   anyway.  */
-                oldlenp = (size_t __user *)addr;
-                if (get_user(oldlen, (compat_size_t __user *)compat_ptr(tmp.oldlenp)) ||
-                    put_user(oldlen, oldlenp))
-                        return -EFAULT;
-        }
-
-        lock_kernel();
-        error = do_sysctl(compat_ptr(tmp.name), tmp.nlen,
-                          compat_ptr(tmp.oldval), oldlenp,
-                          compat_ptr(tmp.newval), tmp.newlen);
-        unlock_kernel();
-        if (oldlenp) {
-                if (!error) {
-                        if (get_user(oldlen, oldlenp) ||
-                            put_user(oldlen, (compat_size_t __user *)compat_ptr(tmp.oldlenp)))
-                                error = -EFAULT;
-                }
-                copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
-        }
-        return error;
-}
-#endif
-
 unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
                           unsigned long prot, unsigned long flags,
                           unsigned long fd, unsigned long pgoff)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 6c9e20898fa..e9af16cc7c0 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -54,6 +54,7 @@
 #include <linux/irq.h>
 #include <linux/delay.h>
 #include <linux/perf_event.h>
+#include <asm/trace.h>
 
 #include <asm/io.h>
 #include <asm/processor.h>
@@ -572,6 +573,8 @@ void timer_interrupt(struct pt_regs * regs)
         struct clock_event_device *evt = &decrementer->event;
         u64 now;
 
+        trace_timer_interrupt_entry(regs);
+
         /* Ensure a positive value is written to the decrementer, or else
          * some CPUs will continuue to take decrementer exceptions */
         set_dec(DECREMENTER_MAX);
@@ -591,6 +594,7 @@ void timer_interrupt(struct pt_regs * regs)
                 now = decrementer->next_tb - now;
                 if (now <= DECREMENTER_MAX)
                         set_dec((int)now);
+                trace_timer_interrupt_exit(regs);
                 return;
         }
         old_regs = set_irq_regs(regs);
@@ -621,6 +625,8 @@ void timer_interrupt(struct pt_regs * regs)
 
         irq_exit();
         set_irq_regs(old_regs);
+
+        trace_timer_interrupt_exit(regs);
 }
 
 void wakeup_decrementer(void)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index a81c7438d34..804f0f30f22 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -737,7 +737,7 @@ static int emulate_instruction(struct pt_regs *regs)
 
         /* Emulate the mfspr rD, PVR. */
         if ((instword & PPC_INST_MFSPR_PVR_MASK) == PPC_INST_MFSPR_PVR) {
-                PPC_WARN_EMULATED(mfpvr);
+                PPC_WARN_EMULATED(mfpvr, regs);
                 rd = (instword >> 21) & 0x1f;
                 regs->gpr[rd] = mfspr(SPRN_PVR);
                 return 0;
@@ -745,7 +745,7 @@ static int emulate_instruction(struct pt_regs *regs)
 
         /* Emulating the dcba insn is just a no-op.  */
         if ((instword & PPC_INST_DCBA_MASK) == PPC_INST_DCBA) {
-                PPC_WARN_EMULATED(dcba);
+                PPC_WARN_EMULATED(dcba, regs);
                 return 0;
         }
 
@@ -754,7 +754,7 @@ static int emulate_instruction(struct pt_regs *regs)
                 int shift = (instword >> 21) & 0x1c;
                 unsigned long msk = 0xf0000000UL >> shift;
 
-                PPC_WARN_EMULATED(mcrxr);
+                PPC_WARN_EMULATED(mcrxr, regs);
                 regs->ccr = (regs->ccr & ~msk) | ((regs->xer >> shift) & msk);
                 regs->xer &= ~0xf0000000UL;
                 return 0;
@@ -762,19 +762,19 @@ static int emulate_instruction(struct pt_regs *regs)
 
         /* Emulate load/store string insn. */
         if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) {
-                PPC_WARN_EMULATED(string);
+                PPC_WARN_EMULATED(string, regs);
                 return emulate_string_inst(regs, instword);
         }
 
         /* Emulate the popcntb (Population Count Bytes) instruction. */
         if ((instword & PPC_INST_POPCNTB_MASK) == PPC_INST_POPCNTB) {
-                PPC_WARN_EMULATED(popcntb);
+                PPC_WARN_EMULATED(popcntb, regs);
                 return emulate_popcntb_inst(regs, instword);
         }
 
         /* Emulate isel (Integer Select) instruction */
         if ((instword & PPC_INST_ISEL_MASK) == PPC_INST_ISEL) {
-                PPC_WARN_EMULATED(isel);
+                PPC_WARN_EMULATED(isel, regs);
                 return emulate_isel(regs, instword);
         }
 
@@ -973,7 +973,7 @@ void SoftwareEmulation(struct pt_regs *regs)
 #ifdef CONFIG_MATH_EMULATION
         errcode = do_mathemu(regs);
         if (errcode >= 0)
-                PPC_WARN_EMULATED(math);
+                PPC_WARN_EMULATED(math, regs);
 
         switch (errcode) {
         case 0:
@@ -996,7 +996,7 @@ void SoftwareEmulation(struct pt_regs *regs)
 #elif defined(CONFIG_8XX_MINIMAL_FPEMU)
         errcode = Soft_emulate_8xx(regs);
         if (errcode >= 0)
-                PPC_WARN_EMULATED(8xx);
+                PPC_WARN_EMULATED(8xx, regs);
 
         switch (errcode) {
         case 0:
@@ -1107,7 +1107,7 @@ void altivec_assist_exception(struct pt_regs *regs)
 
         flush_altivec_to_thread(current);
 
-        PPC_WARN_EMULATED(altivec);
+        PPC_WARN_EMULATED(altivec, regs);
         err = emulate_altivec(regs);
         if (err == 0) {
                 regs->nip += 4;         /* skip emulated instruction */