5 files changed, 41 insertions, 16 deletions

diff --git a/arch/arm/kernel/.gitignore b/arch/arm/kernel/.gitignore
new file mode 100644
index 000000000000..c5f676c3c224
--- /dev/null
+++ b/arch/arm/kernel/.gitignore
@@ -0,0 +1 @@
+vmlinux.lds
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 30a67a5a40a8..09a061cb7838 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -262,10 +262,10 @@
 /* 250 */       CALL(sys_epoll_create)
                 CALL(ABI(sys_epoll_ctl, sys_oabi_epoll_ctl))
                 CALL(ABI(sys_epoll_wait, sys_oabi_epoll_wait))
-                CALL(sys_remap_file_pages)
+                CALL(sys_remap_file_pages)
                 CALL(sys_ni_syscall)    /* sys_set_thread_area */
 /* 255 */       CALL(sys_ni_syscall)    /* sys_get_thread_area */
-                CALL(sys_set_tid_address)
+                CALL(sys_set_tid_address)
                 CALL(sys_timer_create)
                 CALL(sys_timer_settime)
                 CALL(sys_timer_gettime)
@@ -364,6 +364,12 @@
                 CALL(sys_fallocate)
                 CALL(sys_timerfd_settime)
                 CALL(sys_timerfd_gettime)
+/* 355 */       CALL(sys_signalfd4)
+                CALL(sys_eventfd2)
+                CALL(sys_epoll_create1)
+                CALL(sys_dup3)
+                CALL(sys_pipe2)
+/* 360 */       CALL(sys_inotify_init1)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index db8f54a3451f..fae5beb3c3d6 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -71,7 +71,7 @@ void machine_kexec(struct kimage *image)
 
 
         flush_icache_range((unsigned long) reboot_code_buffer,
-                           (unsigned long) reboot_code_buffer + KEXEC_CONTROL_CODE_SIZE);
+                           (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
         printk(KERN_INFO "Bye!\n");
 
         cpu_proc_fin();
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 38f0e7940a13..2ca7038b67a7 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -81,6 +81,8 @@ EXPORT_SYMBOL(system_serial_high);
 unsigned int elf_hwcap;
 EXPORT_SYMBOL(elf_hwcap);
 
+unsigned long __initdata vmalloc_reserve = 128 << 20;
+
 
 #ifdef MULTI_CPU
 struct processor processor;
@@ -501,6 +503,17 @@ static void __init early_mem(char **p)
 __early_param("mem=", early_mem);
 
 /*
+ * vmalloc=size forces the vmalloc area to be exactly 'size'
+ * bytes. This can be used to increase (or decrease) the vmalloc
+ * area - the default is 128m.
+ */
+static void __init early_vmalloc(char **arg)
+{
+        vmalloc_reserve = memparse(*arg, arg);
+}
+__early_param("vmalloc=", early_vmalloc);
+
+/*
  * Initial parsing of the command line.
  */
 static void __init parse_cmdline(char **cmdline_p, char *from)
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 7277aef83098..872f1f8fbb57 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -288,14 +288,28 @@ void unregister_undef_hook(struct undef_hook *hook)
         spin_unlock_irqrestore(&undef_lock, flags);
 }
 
+static int call_undef_hook(struct pt_regs *regs, unsigned int instr)
+{
+        struct undef_hook *hook;
+        unsigned long flags;
+        int (*fn)(struct pt_regs *regs, unsigned int instr) = NULL;
+
+        spin_lock_irqsave(&undef_lock, flags);
+        list_for_each_entry(hook, &undef_hook, node)
+                if ((instr & hook->instr_mask) == hook->instr_val &&
+                    (regs->ARM_cpsr & hook->cpsr_mask) == hook->cpsr_val)
+                        fn = hook->fn;
+        spin_unlock_irqrestore(&undef_lock, flags);
+
+        return fn ? fn(regs, instr) : 1;
+}
+
 asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
 {
         unsigned int correction = thumb_mode(regs) ? 2 : 4;
         unsigned int instr;
-        struct undef_hook *hook;
         siginfo_t info;
         void __user *pc;
-        unsigned long flags;
 
         /*
          * According to the ARM ARM, PC is 2 or 4 bytes ahead,
@@ -325,17 +339,8 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs)
         }
 #endif
 
-        spin_lock_irqsave(&undef_lock, flags);
-        list_for_each_entry(hook, &undef_hook, node) {
-                if ((instr & hook->instr_mask) == hook->instr_val &&
-                    (regs->ARM_cpsr & hook->cpsr_mask) == hook->cpsr_val) {
-                        if (hook->fn(regs, instr) == 0) {
-                                spin_unlock_irqrestore(&undef_lock, flags);
-                                return;
-                        }
-                }
-        }
-        spin_unlock_irqrestore(&undef_lock, flags);
+        if (call_undef_hook(regs, instr) == 0)
+                return;
 
 #ifdef CONFIG_DEBUG_USER
         if (user_debug & UDBG_UNDEFINED) {