[PATCH v2] drm/i915/gvt: Dereference msi eventfd_ctx when it isn't used anymore
Zhenyu Wang
zhenyuw at linux.intel.com
Tue Apr 17 02:42:24 UTC 2018
On 2018.04.16 10:39:02 +0800, Zhenyu Wang wrote:
> On 2018.04.13 10:26:16 +0800, Xiong Zhang wrote:
> > kvmgt get msi eventfd_ctx at qemu vfio set irq eventfd, then
> > msi eventfd_ctx should be put at some point.
> > The first point is kvmgt handle qemu vfio_disable_irqindex()
> > call which has DATA_NONE and ACTION_TRIGGER in flags.
> > If qemu doesn't call vfio_disable_irqindex(), the second point
> > is vgpu release function.
> >
> > v2: Don't inject msi interrupt into guest if eventfd_ctx is dereferenced
> >
> > Signed-off-by: Xiong Zhang <xiong.y.zhang at intel.com>
> > ---
>
> Reviewed-by: Zhenyu Wang <zhenyuw at linux.intel.com>
>
Applied this, thanks!
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Open Source Technology Center, Intel ltd.
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