Re: [RESEND RFC PATCH 3/5] mm/mmu_notifier: remove lockdep map, allow mmu notifier to be used in nested scenarios
- From
- Jason Gunthorpe <jgg@ziepe.ca>
- Date
- 2020-09-04 12:03:54
- Also in
- linux-mm
- Reply to
- Adalbert Lazăr, 2020-09-04
On Fri, Sep 04, 2020 at 02:31:14PM +0300, Adalbert Lazăr wrote:
From: Mircea Cirjaliu <redacted> The combination of remote mapping + KVM causes nested range invalidations, which reports lockdep warnings.
You need a better solution than this, this lockdep is protecting a lot
of other more common code against various errors.
Jason