From: Jason Gunthorpe <jgg@ziepe.ca>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
cohuck@redhat.com, peterx@redhat.com
Subject: Re: [PATCH 3/3] vfio-pci: Invalidate mmaps and block MMIO access on disabled memory
Date: Mon, 4 May 2020 17:01:23 -0300 [thread overview]
Message-ID: <20200504200123.GA26002@ziepe.ca> (raw)
In-Reply-To: <20200504133552.3d00c77d@x1.home>
On Mon, May 04, 2020 at 01:35:52PM -0600, Alex Williamson wrote:
> Ok, this all makes a lot more sense with memory_lock still in the
> picture. And it looks like you're not insisting on the wait_event, we
> can block on memory_lock so long as we don't have an ordering issue.
> I'll see what I can do. Thanks,
Right, you can block on the rwsem if it is ordered properly vs
mmap_sem.
Jason
next prev parent reply other threads:[~2020-05-04 20:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-01 21:38 [PATCH 0/3] vfio-pci: Block user access to disabled device MMIO Alex Williamson
2020-05-01 21:39 ` [PATCH 1/3] vfio/type1: Support faulting PFNMAP vmas Alex Williamson
2020-05-01 23:50 ` Jason Gunthorpe
2020-05-04 14:06 ` Alex Williamson
2020-05-04 15:02 ` Jason Gunthorpe
2020-05-01 21:39 ` [PATCH 2/3] vfio-pci: Fault mmaps to enable vma tracking Alex Williamson
2020-05-01 23:25 ` Jason Gunthorpe
2020-05-04 14:20 ` Alex Williamson
2020-05-04 15:05 ` Jason Gunthorpe
2020-05-04 15:53 ` Alex Williamson
2020-05-01 21:39 ` [PATCH 3/3] vfio-pci: Invalidate mmaps and block MMIO access on disabled memory Alex Williamson
2020-05-01 23:48 ` Jason Gunthorpe
2020-05-04 18:26 ` Alex Williamson
2020-05-04 18:44 ` Jason Gunthorpe
2020-05-04 19:35 ` Alex Williamson
2020-05-04 20:01 ` Jason Gunthorpe [this message]
2020-05-05 17:12 ` Alex Williamson
2020-05-05 18:36 ` Jason Gunthorpe
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