Messages in this thread | | | Date | Fri, 8 Jun 2018 18:36:01 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH 0/7] Uprobes: Support SDT markers having reference count (semaphore) |
| |
Hello,
I am travelling till the end of the next week, can't read this version until I return. Just one question,
On 06/06, Ravi Bangoria wrote: > > 1. One of the major reason was the deadlock between uprobe_lock and > mm->mmap inside trace_uprobe_mmap(). That deadlock was not easy to fix
Could you remind what exactly was wrong?
I can't find your previous email about this problem, but iirc you didn't explain the deadlock in details, just copied some traces from lockdep...
Oleg.
| |