Commit 173a44dd authored by Paul Mundt's avatar Paul Mundt
Browse files

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: default avatarPaul Mundt <lethal@linux-sh.org>
parent 04ec080d
......@@ -26,6 +26,7 @@ extern int __cpu_logical_map[NR_CPUS];
#define SMP_MSG_FUNCTION_SINGLE 2
#define SMP_MSG_NR 3
void smp_message_recv(unsigned int msg);
void plat_smp_setup(void);
void plat_prepare_cpus(unsigned int max_cpus);
int plat_smp_processor_id(void);
......
......@@ -3,7 +3,7 @@
*
* SMP support for the SuperH processors.
*
* Copyright (C) 2002 - 2007 Paul Mundt
* Copyright (C) 2002 - 2008 Paul Mundt
* Copyright (C) 2006 - 2007 Akio Idehara
*
* This file is subject to the terms and conditions of the GNU General Public
......@@ -184,6 +184,24 @@ void arch_send_call_function_single_ipi(int cpu)
plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
}
void smp_message_recv(unsigned int msg)
{
switch (msg) {
case SMP_MSG_FUNCTION:
generic_smp_call_function_interrupt();
break;
case SMP_MSG_RESCHEDULE:
break;
case SMP_MSG_FUNCTION_SINGLE:
generic_smp_call_function_single_interrupt();
break;
default:
printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
smp_processor_id(), __func__, msg);
break;
}
}
/* Not really SMP stuff ... */
int setup_profiling_timer(unsigned int multiplier)
{
......
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