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-rw-r--r--arch/powerpc/kernel/smp.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index ac2621af3154..ee7d76bfcb4c 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -145,9 +145,9 @@ static irqreturn_t reschedule_action(int irq, void *data)
145 return IRQ_HANDLED; 145 return IRQ_HANDLED;
146} 146}
147 147
148static irqreturn_t call_function_single_action(int irq, void *data) 148static irqreturn_t unused_action(int irq, void *data)
149{ 149{
150 generic_smp_call_function_single_interrupt(); 150 /* This slot is unused and hence available for use, if needed */
151 return IRQ_HANDLED; 151 return IRQ_HANDLED;
152} 152}
153 153
@@ -168,14 +168,14 @@ static irqreturn_t debug_ipi_action(int irq, void *data)
168static irq_handler_t smp_ipi_action[] = { 168static irq_handler_t smp_ipi_action[] = {
169 [PPC_MSG_CALL_FUNCTION] = call_function_action, 169 [PPC_MSG_CALL_FUNCTION] = call_function_action,
170 [PPC_MSG_RESCHEDULE] = reschedule_action, 170 [PPC_MSG_RESCHEDULE] = reschedule_action,
171 [PPC_MSG_CALL_FUNC_SINGLE] = call_function_single_action, 171 [PPC_MSG_UNUSED] = unused_action,
172 [PPC_MSG_DEBUGGER_BREAK] = debug_ipi_action, 172 [PPC_MSG_DEBUGGER_BREAK] = debug_ipi_action,
173}; 173};
174 174
175const char *smp_ipi_name[] = { 175const char *smp_ipi_name[] = {
176 [PPC_MSG_CALL_FUNCTION] = "ipi call function", 176 [PPC_MSG_CALL_FUNCTION] = "ipi call function",
177 [PPC_MSG_RESCHEDULE] = "ipi reschedule", 177 [PPC_MSG_RESCHEDULE] = "ipi reschedule",
178 [PPC_MSG_CALL_FUNC_SINGLE] = "ipi call function single", 178 [PPC_MSG_UNUSED] = "ipi unused",
179 [PPC_MSG_DEBUGGER_BREAK] = "ipi debugger", 179 [PPC_MSG_DEBUGGER_BREAK] = "ipi debugger",
180}; 180};
181 181
@@ -251,8 +251,6 @@ irqreturn_t smp_ipi_demux(void)
251 generic_smp_call_function_interrupt(); 251 generic_smp_call_function_interrupt();
252 if (all & IPI_MESSAGE(PPC_MSG_RESCHEDULE)) 252 if (all & IPI_MESSAGE(PPC_MSG_RESCHEDULE))
253 scheduler_ipi(); 253 scheduler_ipi();
254 if (all & IPI_MESSAGE(PPC_MSG_CALL_FUNC_SINGLE))
255 generic_smp_call_function_single_interrupt();
256 if (all & IPI_MESSAGE(PPC_MSG_DEBUGGER_BREAK)) 254 if (all & IPI_MESSAGE(PPC_MSG_DEBUGGER_BREAK))
257 debug_ipi_action(0, NULL); 255 debug_ipi_action(0, NULL);
258 } while (info->messages); 256 } while (info->messages);
@@ -280,7 +278,7 @@ EXPORT_SYMBOL_GPL(smp_send_reschedule);
280 278
281void arch_send_call_function_single_ipi(int cpu) 279void arch_send_call_function_single_ipi(int cpu)
282{ 280{
283 do_message_pass(cpu, PPC_MSG_CALL_FUNC_SINGLE); 281 do_message_pass(cpu, PPC_MSG_CALL_FUNCTION);
284} 282}
285 283
286void arch_send_call_function_ipi_mask(const struct cpumask *mask) 284void arch_send_call_function_ipi_mask(const struct cpumask *mask)