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| author |   Paul Mundt <lethal@linux-sh.org> | 2008-08-06 18:02:48 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-09-08 10:35:02 +0900 |
| commit | 173a44dd1f406e9aa6fcf46c83b7c972d10ec930 (patch) | |
| tree | 61784c58c8e566f3717914761aeff5d8cc7c75be /arch/sh/kernel/smp.c | |
| parent | sh: Kill off unused defines from asm/smp.h. (diff) | |
| download | linux-dev-173a44dd1f406e9aa6fcf46c83b7c972d10ec930.tar.xz linux-dev-173a44dd1f406e9aa6fcf46c83b7c972d10ec930.zip | |
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>
Diffstat (limited to 'arch/sh/kernel/smp.c')
| -rw-r--r-- | arch/sh/kernel/smp.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 60c50841143e..ebfdd364544f 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -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) { |