9 files changed, 25 insertions, 23 deletions

diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c
index 54593b0c241b..21e3a4ab3b8c 100644
--- a/arch/arm/kernel/hw_breakpoint.c
+++ b/arch/arm/kernel/hw_breakpoint.c
@@ -748,8 +748,7 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr,
                 breakpoint_handler(addr, regs);
                 break;
         case ARM_ENTRY_ASYNC_WATCHPOINT:
-                WARN_ON("Asynchronous watchpoint exception taken. "
-                        "Debugging results may be unreliable");
+                WARN(1, "Asynchronous watchpoint exception taken. Debugging results may be unreliable\n");
         case ARM_ENTRY_SYNC_WATCHPOINT:
                 watchpoint_handler(addr, regs);
                 break;
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index d6e8b4d2e60d..778c2f7024ff 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -79,7 +79,7 @@ sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *task)
                 return;
 
         /* Initialize to zero */
-        for (regno = 0; regno < DBG_MAX_REG_NUM; regno++)
+        for (regno = 0; regno < GDB_MAX_REGS; regno++)
                 gdb_regs[regno] = 0;
 
         /* Otherwise, we have only some registers from switch_to() */
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 1fc74cbd1a19..3a8fd5140d7a 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -78,7 +78,10 @@ void machine_kexec(struct kimage *image)
         local_fiq_disable();
         setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
         flush_cache_all();
+        outer_flush_all();
+        outer_disable();
         cpu_proc_fin();
+        outer_inv_all();
         flush_cache_all();
         cpu_reset(reboot_code_buffer_phys);
 }
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 49643b1467e6..07a50357492a 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -1749,7 +1749,7 @@ static inline int armv7_pmnc_has_overflowed(unsigned long pmnc)
 static inline int armv7_pmnc_counter_has_overflowed(unsigned long pmnc,
                                         enum armv7_counters counter)
 {
-        int ret;
+        int ret = 0;
 
         if (counter == ARMV7_CYCLE_COUNTER)
                 ret = pmnc & ARMV7_FLAG_C;
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index e0cb6370ed14..3e97483abcf0 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -1075,13 +1075,15 @@ out:
 }
 #endif
 
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request,
+                 unsigned long addr, unsigned long data)
 {
         int ret;
+        unsigned long __user *datap = (unsigned long __user *) data;
 
         switch (request) {
                 case PTRACE_PEEKUSR:
-                        ret = ptrace_read_user(child, addr, (unsigned long __user *)data);
+                        ret = ptrace_read_user(child, addr, datap);
                         break;
 
                 case PTRACE_POKEUSR:
@@ -1089,34 +1091,34 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                         break;
 
                 case PTRACE_GETREGS:
-                        ret = ptrace_getregs(child, (void __user *)data);
+                        ret = ptrace_getregs(child, datap);
                         break;
 
                 case PTRACE_SETREGS:
-                        ret = ptrace_setregs(child, (void __user *)data);
+                        ret = ptrace_setregs(child, datap);
                         break;
 
                 case PTRACE_GETFPREGS:
-                        ret = ptrace_getfpregs(child, (void __user *)data);
+                        ret = ptrace_getfpregs(child, datap);
                         break;
                 
                 case PTRACE_SETFPREGS:
-                        ret = ptrace_setfpregs(child, (void __user *)data);
+                        ret = ptrace_setfpregs(child, datap);
                         break;
 
 #ifdef CONFIG_IWMMXT
                 case PTRACE_GETWMMXREGS:
-                        ret = ptrace_getwmmxregs(child, (void __user *)data);
+                        ret = ptrace_getwmmxregs(child, datap);
                         break;
 
                 case PTRACE_SETWMMXREGS:
-                        ret = ptrace_setwmmxregs(child, (void __user *)data);
+                        ret = ptrace_setwmmxregs(child, datap);
                         break;
 #endif
 
                 case PTRACE_GET_THREAD_AREA:
                         ret = put_user(task_thread_info(child)->tp_value,
-                                       (unsigned long __user *) data);
+                                       datap);
                         break;
 
                 case PTRACE_SET_SYSCALL:
@@ -1126,21 +1128,21 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 #ifdef CONFIG_CRUNCH
                 case PTRACE_GETCRUNCHREGS:
-                        ret = ptrace_getcrunchregs(child, (void __user *)data);
+                        ret = ptrace_getcrunchregs(child, datap);
                         break;
 
                 case PTRACE_SETCRUNCHREGS:
-                        ret = ptrace_setcrunchregs(child, (void __user *)data);
+                        ret = ptrace_setcrunchregs(child, datap);
                         break;
 #endif
 
 #ifdef CONFIG_VFP
                 case PTRACE_GETVFPREGS:
-                        ret = ptrace_getvfpregs(child, (void __user *)data);
+                        ret = ptrace_getvfpregs(child, datap);
                         break;
 
                 case PTRACE_SETVFPREGS:
-                        ret = ptrace_setvfpregs(child, (void __user *)data);
+                        ret = ptrace_setvfpregs(child, datap);
                         break;
 #endif
 
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 20b7411e47fd..c2e112e1a05f 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -28,7 +28,7 @@ int notrace unwind_frame(struct stackframe *frame)
 
         /* only go to a higher address on the stack */
         low = frame->sp;
-        high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE;
+        high = ALIGN(low, THREAD_SIZE);
 
         /* check current frame pointer is within bounds */
         if (fp < (low + 12) || fp + 4 >= high)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index cda78d59aa31..446aee97436f 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -53,10 +53,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long);
 void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
 {
 #ifdef CONFIG_KALLSYMS
-        char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN];
-        sprint_symbol(sym1, where);
-        sprint_symbol(sym2, from);
-        printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2);
+        printk("[<%08lx>] (%pS) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from);
 #else
         printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
 #endif
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 2a161765f6d5..d2cb0b3c9872 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -279,7 +279,7 @@ int unwind_frame(struct stackframe *frame)
 
         /* only go to a higher address on the stack */
         low = frame->sp;
-        high = ALIGN(low, THREAD_SIZE) + THREAD_SIZE;
+        high = ALIGN(low, THREAD_SIZE);
 
         pr_debug("%s(pc = %08lx lr = %08lx sp = %08lx)\n", __func__,
                  frame->pc, frame->lr, frame->sp);
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 1953e3d21abf..cead8893b46b 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -113,6 +113,7 @@ SECTIONS
                         *(.rodata.*)
                         *(.glue_7)
                         *(.glue_7t)
+                . = ALIGN(4);
                 *(.got)                 /* Global offset table          */
                         ARM_CPU_KEEP(PROC_INFO)
         }