Re: [Xen-devel] [PATCH] xsplice: Don't perform multiple operations on same payload once work is scheduled.

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Apr 28, 2016 at 02:16:52PM -0400, Konrad Rzeszutek Wilk wrote:
> Currently it is possible to:
> 
> 1)  xc_xsplice_apply()
>      \-> xsplice_action
>       spin_lock(payload_lock)
>              \- schedule_work()
>         spin_unlock(payload_lock);
> 
> 2)  xc_xsplice_unload()
>      \-> xsplice_action
>       spin_lock(payload_lock)
>              free_payload(data);
>         spin_unlock(payload_lock);
> 
> .. all CPUs are quisced.

"quiesced"

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