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MIPS: call ->smp_finish() a little late

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We have move irq enable to ->smp_finish. Place ->smp_finish() a little
late to prepare for move set_cpu_online() into start_secondary.
And it's not necessary to call cpu_set(cpu, cpu_callin_map) and
synchronise_count_slave() with irq enabled.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Cc: David Daney <david.daney@cavium.com>
Acked-by: David Daney <david.daney@cavium.com>
Patchwork: https://patchwork.linux-mips.org/patch/3850/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Yong Zhang 2012-07-19 09:13:53 +02:00 committed by Ralf Baechle
parent 263afbdd1c
commit 5309bdac70
1 changed files with 2 additions and 1 deletions
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3
arch/mips/kernel/smp.c
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@ -122,13 +122,14 @@ asmlinkage __cpuinit void start_secondary(void)
notify_cpu_starting(cpu);
mp_ops->smp_finish();
set_cpu_sibling_map(cpu);
cpu_set(cpu, cpu_callin_map);
synchronise_count_slave();
mp_ops->smp_finish();
cpu_idle();
}