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From: Jan Beulich on 30 Jun 2010 07:30
>>> On 30.06.10 at 12:08, Jeremy Fitzhardinge <jeremy(a)goop.org> wrote:
> On 06/29/2010 04:35 PM, Jan Beulich wrote:
>> --- 2.6.35-rc3-virt-spinlocks.orig/arch/x86/include/asm/spinlock.h
>> +++ 2.6.35-rc3-virt-spinlocks/arch/x86/include/asm/spinlock.h
>> @@ -85,6 +85,15 @@ extern void virt_spin_unlock_stub(void);
>> # define UNLOCK_LOCK_PREFIX
>> #endif
>>
>> +static __always_inline void __ticket_spin_set_owner(arch_spinlock_t *lock,
>> + int owned)
>> +{
>> +#ifdef CONFIG_ENLIGHTEN_SPINLOCKS
>> + if (owned)
>> + lock->owner = percpu_read(cpu_number);
>>
>
> Why not smp_processor_id()? Is this different in some way?

Including the respective header here just doesn't work due to
resulting cyclic dependencies.

Jan

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