sh: smp: Provide a generic IPI handler.
This provides a generic smp_message_recv() routine (based on the PPC one), that IPI IRQs can wrap in to. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -26,6 +26,7 @@ extern int __cpu_logical_map[NR_CPUS];
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#define SMP_MSG_FUNCTION_SINGLE 2
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#define SMP_MSG_NR 3
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void smp_message_recv(unsigned int msg);
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void plat_smp_setup(void);
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void plat_prepare_cpus(unsigned int max_cpus);
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int plat_smp_processor_id(void);
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@ -3,7 +3,7 @@
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*
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* SMP support for the SuperH processors.
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*
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* Copyright (C) 2002 - 2007 Paul Mundt
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* Copyright (C) 2002 - 2008 Paul Mundt
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* Copyright (C) 2006 - 2007 Akio Idehara
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*
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* This file is subject to the terms and conditions of the GNU General Public
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@ -184,6 +184,24 @@ void arch_send_call_function_single_ipi(int cpu)
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plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
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}
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void smp_message_recv(unsigned int msg)
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{
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switch (msg) {
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case SMP_MSG_FUNCTION:
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generic_smp_call_function_interrupt();
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break;
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case SMP_MSG_RESCHEDULE:
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break;
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case SMP_MSG_FUNCTION_SINGLE:
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generic_smp_call_function_single_interrupt();
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break;
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default:
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printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
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smp_processor_id(), __func__, msg);
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break;
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}
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}
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/* Not really SMP stuff ... */
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int setup_profiling_timer(unsigned int multiplier)
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{
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