IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[deliverable/linux.git] / arch / powerpc / platforms / pseries / xics.c

diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 253972e5479fc8dc5252de72f217be11f1b69255..f6bd2f2851531dcd42b13450db910d3e5bc80cd0 100644 (file)
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -324,7 +324,7 @@ static unsigned int xics_get_irq_lpar(struct pt_regs *regs)
 
 #ifdef CONFIG_SMP
 
-static irqreturn_t xics_ipi_dispatch(int cpu, struct pt_regs *regs)
+static irqreturn_t xics_ipi_dispatch(int cpu)
 {
        WARN_ON(cpu_is_offline(cpu));
 
@@ -332,47 +332,47 @@ static irqreturn_t xics_ipi_dispatch(int cpu, struct pt_regs *regs)
                if (test_and_clear_bit(PPC_MSG_CALL_FUNCTION,
                                       &xics_ipi_message[cpu].value)) {
                        mb();
-                       smp_message_recv(PPC_MSG_CALL_FUNCTION, regs);
+                       smp_message_recv(PPC_MSG_CALL_FUNCTION);
                }
                if (test_and_clear_bit(PPC_MSG_RESCHEDULE,
                                       &xics_ipi_message[cpu].value)) {
                        mb();
-                       smp_message_recv(PPC_MSG_RESCHEDULE, regs);
+                       smp_message_recv(PPC_MSG_RESCHEDULE);
                }
 #if 0
                if (test_and_clear_bit(PPC_MSG_MIGRATE_TASK,
                                       &xics_ipi_message[cpu].value)) {
                        mb();
-                       smp_message_recv(PPC_MSG_MIGRATE_TASK, regs);
+                       smp_message_recv(PPC_MSG_MIGRATE_TASK);
                }
 #endif
 #if defined(CONFIG_DEBUGGER) || defined(CONFIG_KEXEC)
                if (test_and_clear_bit(PPC_MSG_DEBUGGER_BREAK,
                                       &xics_ipi_message[cpu].value)) {
                        mb();
-                       smp_message_recv(PPC_MSG_DEBUGGER_BREAK, regs);
+                       smp_message_recv(PPC_MSG_DEBUGGER_BREAK);
                }
 #endif
        }
        return IRQ_HANDLED;
 }
 
-static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t xics_ipi_action_direct(int irq, void *dev_id)
 {
        int cpu = smp_processor_id();
 
        direct_qirr_info(cpu, 0xff);
 
-       return xics_ipi_dispatch(cpu, regs);
+       return xics_ipi_dispatch(cpu);
 }
 
-static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t xics_ipi_action_lpar(int irq, void *dev_id)
 {
        int cpu = smp_processor_id();
 
        lpar_qirr_info(cpu, 0xff);
 
-       return xics_ipi_dispatch(cpu, regs);
+       return xics_ipi_dispatch(cpu);
 }
 
 void xics_cause_IPI(int cpu)