Re: Using userfaultfd with KVM's async page fault handling causes processes to hung waiting for mmap_lock to be released

From: Jinjiang Tu
Date: Fri Mar 07 2025 - 03:24:09 EST

cc Peter Xu

在 2025/3/7 15:21, Jinjiang Tu 写道:
Hi,

I encountered the same issue too. In my scenario, GUP is called by mlockall()
syscall.

Is there a solution to fix it?

Thanks.