Re: [PATCH v11 19/26] mm: provide speculative fault infrastructure

2018-07-25 Thread zhong jiang
On 2018/7/25 18:44, Laurent Dufour wrote: > > On 25/07/2018 11:04, zhong jiang wrote: >> On 2018/7/25 0:10, Laurent Dufour wrote: >>> On 24/07/2018 16:26, zhong jiang wrote: On 2018/5/17 19:06, Laurent Dufour wrote: > From: Peter Zijlstra > > Provide infrastructure to do a specula

Re: [PATCH v11 19/26] mm: provide speculative fault infrastructure

2018-07-25 Thread Laurent Dufour
On 25/07/2018 11:04, zhong jiang wrote: > On 2018/7/25 0:10, Laurent Dufour wrote: >> >> On 24/07/2018 16:26, zhong jiang wrote: >>> On 2018/5/17 19:06, Laurent Dufour wrote: From: Peter Zijlstra Provide infrastructure to do a speculative fault (not holding mmap_sem). >

Re: [PATCH v11 19/26] mm: provide speculative fault infrastructure

2018-07-25 Thread zhong jiang
On 2018/7/25 0:10, Laurent Dufour wrote: > > On 24/07/2018 16:26, zhong jiang wrote: >> On 2018/5/17 19:06, Laurent Dufour wrote: >>> From: Peter Zijlstra >>> >>> Provide infrastructure to do a speculative fault (not holding >>> mmap_sem). >>> >>> The not holding of mmap_sem means we can race agai