Re: [PATCH] vfio/pci: Clear error and request eventfd ctx after releasing

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Subject: Re: [PATCH] vfio/pci: Clear error and request eventfd ctx after releasing
From: Qian Cai <cai@xxxxxx>
Date: Tue, 16 Jun 2020 18:34:22 -0400
Cc: linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, cohuck@xxxxxxxxxx, dwagner@xxxxxxx
In-reply-to: <159234276956.31057.6902954364435481688.stgit@gimli.home>
References: <159234276956.31057.6902954364435481688.stgit@gimli.home>

> On Jun 16, 2020, at 5:26 PM, Alex Williamson <alex.williamson@xxxxxxxxxx> wrote:
> 
> The next use of the device will generate an underflow from the
> stale reference.

Thanks Alex for taking care of this. I suppose my tests were too basic and never able to catch this underflow in the first place.

References:
- [PATCH] vfio/pci: Clear error and request eventfd ctx after releasing
  - From: Alex Williamson

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