Re: [for-4.7] x86/emulate: synchronize LOCKed instruction emulation

[Razvan Cojocaru <rcojocaru@bitdefender.com>]

On 04/14/2016 11:07 AM, Andrew Cooper wrote:
> On 14/04/2016 06:56, Razvan Cojocaru wrote:
>>
>>>> --- a/xen/common/domain.c
>>>> +++ b/xen/common/domain.c
>>>> @@ -272,6 +272,8 @@ struct domain *domain_create(domid_t domid, unsigned int domcr_flags,
>>>  >
>>>      >TRACE_1D(TRC_DOM0_DOM_ADD, d->domain_id);
>>>  >
>>>> +    percpu_rwlock_resource_init(&d->arch.emulate_lock, emulate_locked_rwlock);
>>> I cannot see how this would build on ARM.
>> I'll add separate functions for ARM and x86, with a no-op for ARM.
> 
> Please move this line into arch_domain_create() arch/x86/domain.c
> 
> Strictly speaking, common code should never reference ->arch.  The bits
> of ->arch which common code does touch should move up into common struct
> domain.

Of course, my bad. Will move it.


Thanks,
Razvan

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