Re: [Xen-devel] [PATCH] libxl: do not fail device removal if backend domain is gone

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Feb 09, 2018 at 12:22:13AM +0100, Marek Marczykowski-Górecki wrote:
> Backend domain may be independently destroyed - there is no
> synchronization of libxl structures (including /libxl tree) elsewhere.
> Backend might also remove the device info from its backend xenstore
> subtree on its own.
> If such situation is detected, do not fail the removal, but finish the
> cleanup of the frontend side.
> 
> This is just workaround, the real fix should watch when the device
> backend is removed (including backend domain destruction) and remove
> frontend at that time. And report such event to higher layer code, so
> for example libvirt could synchronize its state.
> 
> Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Can you please resend with commit message updated, thanks.

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