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-rw-r--r--arch/tile/kernel/smp.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c
index a44e103c5a63..91da0f721958 100644
--- a/arch/tile/kernel/smp.c
+++ b/arch/tile/kernel/smp.c
@@ -103,7 +103,7 @@ static void smp_stop_cpu_interrupt(void)
103 set_cpu_online(smp_processor_id(), 0); 103 set_cpu_online(smp_processor_id(), 0);
104 arch_local_irq_disable_all(); 104 arch_local_irq_disable_all();
105 for (;;) 105 for (;;)
106 asm("nap"); 106 asm("nap; nop");
107} 107}
108 108
109/* This function calls the 'stop' function on all other CPUs in the system. */ 109/* This function calls the 'stop' function on all other CPUs in the system. */
@@ -113,6 +113,12 @@ void smp_send_stop(void)
113 send_IPI_allbutself(MSG_TAG_STOP_CPU); 113 send_IPI_allbutself(MSG_TAG_STOP_CPU);
114} 114}
115 115
116/* On panic, just wait; we may get an smp_send_stop() later on. */
117void panic_smp_self_stop(void)
118{
119 while (1)
120 asm("nap; nop");
121}
116 122
117/* 123/*
118 * Dispatch code called from hv_message_intr() for HV_MSG_TILE hv messages. 124 * Dispatch code called from hv_message_intr() for HV_MSG_TILE hv messages.