[PATCH 14/79] [PATCH] move state update out of ipi_lock

From: Glauber de Oliveira Costa
Date: Wed Mar 19 2008 - 15:41:12 EST


From: Glauber Costa <gcosta@xxxxxxxxxx>

it does not need to be inside lock. Do the way i386 does.

Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
---
arch/x86/kernel/smpboot_64.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index c213345..cfcfd2c 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -233,10 +233,10 @@ void __cpuinit start_secondary(void)
*/
spin_unlock(&vector_lock);
cpu_set(smp_processor_id(), cpu_online_map);
- per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
-
unlock_ipi_call_lock();

+ per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
+
setup_secondary_clock();

cpu_idle();
--
1.5.0.6

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