Re: [PATCH v2 hmm 00/11] Various revisions from a locking/code review

2019-06-14 Thread Jason Gunthorpe
On Wed, Jun 12, 2019 at 09:49:12PM +, Yang, Philip wrote: > Rebase to https://github.com/jgunthorpe/linux.git hmm branch, need some > changes because of interface hmm_range_register change. Then run a quick > amdgpu_test. Test is finished, result is ok. Great! Thanks I'll add your

Re: [PATCH v2 hmm 00/11] Various revisions from a locking/code review

2019-06-12 Thread Yang, Philip
Rebase to https://github.com/jgunthorpe/linux.git hmm branch, need some changes because of interface hmm_range_register change. Then run a quick amdgpu_test. Test is finished, result is ok. But there is below kernel BUG message, seems hmm_free_rcu calls down_write. [ 1171.919921] BUG:

Re: [PATCH v2 hmm 00/11] Various revisions from a locking/code review

2019-06-12 Thread Kuehling, Felix
[+Philip] Hi Jason, I'm out of the office this week. Hi Philip, can you give this a go? Not sure how much you've been following this patch series review. Message or call me on Skype to discuss any questions. Thanks,   Felix On 2019-06-11 12:48, Jason Gunthorpe wrote: > On Thu, Jun 06, 2019

Re: [PATCH v2 hmm 00/11] Various revisions from a locking/code review

2019-06-12 Thread Jason Gunthorpe
On Thu, Jun 06, 2019 at 03:44:27PM -0300, Jason Gunthorpe wrote: > From: Jason Gunthorpe > > For hmm.git: > > This patch series arised out of discussions with Jerome when looking at the > ODP changes, particularly informed by use after free races we have already > found and fixed in the ODP

[PATCH v2 hmm 00/11] Various revisions from a locking/code review

2019-06-07 Thread Jason Gunthorpe
From: Jason Gunthorpe For hmm.git: This patch series arised out of discussions with Jerome when looking at the ODP changes, particularly informed by use after free races we have already found and fixed in the ODP code (thanks to syzkaller) working with mmu notifiers, and the discussion with