1 files changed, 6 insertions, 13 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 97ee6b1567e9..978db2d96b44 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -400,6 +400,12 @@ static void smp_store_cpu_info(unsigned int cpuid)
 	check_cpu_icache_size(cpuid);
 }
 
+static void set_current(struct task_struct *cur)
+{
+	/* Set TPIDRURO */
+	asm("mcr p15, 0, %0, c13, c0, 3" :: "r"(cur) : "memory");
+}
+
 /*
  * This is the secondary CPU boot entry.  We're using this CPUs
  * idle thread stack, but a set of temporary page tables.
@@ -628,11 +634,6 @@ static void ipi_complete(unsigned int cpu)
 /*
  * Main handler for inter-processor interrupts
  */
-asmlinkage void __exception_irq_entry do_IPI(int ipinr, struct pt_regs *regs)
-{
-	handle_IPI(ipinr, regs);
-}
-
 static void do_handle_IPI(int ipinr)
 {
 	unsigned int cpu = smp_processor_id();
@@ -786,14 +787,6 @@ void panic_smp_self_stop(void)
 		cpu_relax();
 }
 
-/*
- * not supported here
- */
-int setup_profiling_timer(unsigned int multiplier)
-{
-	return -EINVAL;
-}
-
 #ifdef CONFIG_CPU_FREQ
 
 static DEFINE_PER_CPU(unsigned long, l_p_j_ref);