On 6/11/20 7:55 PM, Boqun Feng wrote:
Hi Peter and Waiman,
On Thu, Jun 11, 2020 at 12:09:59PM -0400, Waiman Long wrote:
On 6/11/20 10:22 AM, Peter Zijlstra wrote:
On Thu, Jun 11, 2020 at 09:51:29AM -0400, Waiman Long wrote:
There was an old lockdep patch that I think may address the issue, but was
not merged at the time. I will need to dig it out and see if it can be
adapted to work in the current kernel. It may take some time.
Boqun was working on that; I can't remember what happened, but ISTR it
was shaping up nice.
Yes, I am talking about Boqun's patch. However, I think he had moved to
another company and so may not be able to actively work on that again.
I think you are talking about the rescursive read deadlock detection
patchset:
https://lore.kernel.org/lkml/20180411135110.9217-1-boqun.feng@xxxxxxxxx/
Let me have a good and send a new version based on today's master of tip
tree.
Regards,
Boqun
Good to hear back from you. I thought you may not able to work on it again.
Cheers,
Longman
