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Drop start_cpu_lock 

Function alloc_find_dev() is serialized.

Change-Id: I40d27d1adca629f1f7ce2f09c1cb2fd04b76eb9a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/1198
Tested-by: build bot (Jenkins)
Reviewed-by: Sven Schnelle <svens@stackframe.org>
This commit is contained in:
Kyösti Mälkki 2012-07-10 10:17:32 +03:00 committed by Stefan Reinauer
parent 54c07a675b
commit da09be6328
1 changed files with 0 additions and 10 deletions
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10
src/arch/x86/lib/cpu.c
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@ -235,10 +235,6 @@ static void set_cpu_ops(struct device *cpu)
cpu->ops = driver ? driver->ops : NULL; cpu->ops = driver ? driver->ops : NULL;
} }
#if CONFIG_SMP
static spinlock_t start_cpu_lock = SPIN_LOCK_UNLOCKED;
#endif
void cpu_initialize(struct bus *cpu_bus, int index) void cpu_initialize(struct bus *cpu_bus, int index)
{ {
/* Because we busy wait at the printk spinlock. /* Because we busy wait at the printk spinlock.
@ -255,13 +251,7 @@ void cpu_initialize(struct bus *cpu_bus, int index)
cpu_path.apic.apic_id = id; cpu_path.apic.apic_id = id;
cpu_path.apic.index = index; cpu_path.apic.index = index;
#if CONFIG_SMP
spin_lock(&start_cpu_lock);
#endif
cpu = alloc_find_dev(cpu_bus, &cpu_path); cpu = alloc_find_dev(cpu_bus, &cpu_path);
#if CONFIG_SMP
spin_unlock(&start_cpu_lock);
#endif
printk(BIOS_DEBUG, "Initializing CPU #%d\n", id); printk(BIOS_DEBUG, "Initializing CPU #%d\n", id);
/* Find what type of cpu we are dealing with */ /* Find what type of cpu we are dealing with */