On 29/08/2017 16:50, Laurent Dufour wrote:
> On 21/08/2017 09:29, Anshuman Khandual wrote:
>> On 08/18/2017 03:35 AM, Laurent Dufour wrote:
>>> From: Peter Zijlstra
>>>
>>> Try a speculative fault before acquiring mmap_sem, if it returns with
>>> VM_FAULT_RETRY continue with
On 29/08/2017 16:50, Laurent Dufour wrote:
> On 21/08/2017 09:29, Anshuman Khandual wrote:
>> On 08/18/2017 03:35 AM, Laurent Dufour wrote:
>>> From: Peter Zijlstra
>>>
>>> Try a speculative fault before acquiring mmap_sem, if it returns with
>>> VM_FAULT_RETRY continue with the mmap_sem
On 21/08/2017 09:29, Anshuman Khandual wrote:
> On 08/18/2017 03:35 AM, Laurent Dufour wrote:
>> From: Peter Zijlstra
>>
>> Try a speculative fault before acquiring mmap_sem, if it returns with
>> VM_FAULT_RETRY continue with the mmap_sem acquisition and do the
>>
On 21/08/2017 09:29, Anshuman Khandual wrote:
> On 08/18/2017 03:35 AM, Laurent Dufour wrote:
>> From: Peter Zijlstra
>>
>> Try a speculative fault before acquiring mmap_sem, if it returns with
>> VM_FAULT_RETRY continue with the mmap_sem acquisition and do the
>> traditional fault.
>>
>>
On 08/18/2017 03:35 AM, Laurent Dufour wrote:
> From: Peter Zijlstra
>
> Try a speculative fault before acquiring mmap_sem, if it returns with
> VM_FAULT_RETRY continue with the mmap_sem acquisition and do the
> traditional fault.
>
> Signed-off-by: Peter Zijlstra (Intel)
On 08/18/2017 03:35 AM, Laurent Dufour wrote:
> From: Peter Zijlstra
>
> Try a speculative fault before acquiring mmap_sem, if it returns with
> VM_FAULT_RETRY continue with the mmap_sem acquisition and do the
> traditional fault.
>
> Signed-off-by: Peter Zijlstra (Intel)
>
> [Clearing of
From: Peter Zijlstra
Try a speculative fault before acquiring mmap_sem, if it returns with
VM_FAULT_RETRY continue with the mmap_sem acquisition and do the
traditional fault.
Signed-off-by: Peter Zijlstra (Intel)
[Clearing of FAULT_FLAG_ALLOW_RETRY
From: Peter Zijlstra
Try a speculative fault before acquiring mmap_sem, if it returns with
VM_FAULT_RETRY continue with the mmap_sem acquisition and do the
traditional fault.
Signed-off-by: Peter Zijlstra (Intel)
[Clearing of FAULT_FLAG_ALLOW_RETRY is now done in
handle_speculative_fault()]
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