| To: | linux-mips@linux-mips.org, linux-kernel@vger.kernel.org |
|---|---|
| Subject: | [PATCH 5/8] MIPS: call ->smp_finish() a little late |
| From: | Yong Zhang <yong.zhang0@gmail.com> |
| Date: | Thu, 17 May 2012 18:10:07 +0800 |
| Cc: | ralf@linux-mips.org, david.daney@cavium.com |
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| Sender: | linux-mips-bounce@linux-mips.org |
From: Yong Zhang <yong.zhang@windriver.com>
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>
---
arch/mips/kernel/smp.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index ba9376b..73a268a 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -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();
}
--
1.7.1
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