Re: [PATCH 2/6] thunderbolt: Tear down existing tunnels when resuming from hibernate

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On Thu, Nov 25, 2021 at 10:37:29AM +0300, Mika Westerberg wrote:
> If the boot firmware implements connection manager of its own it may not
> create the paths in the same way or order we do. For example it may
> create first PCIe tunnel and the USB3 tunnel. When we restore our
> tunnels (first de-activating them) we may be doing that over completely
> different tunnel and that leaves them possible non-functional. For this
> reason we re-use the tunnel discovery functionality and find out all the
> existing tunnels, and tear them down. Once that is done we can restore
> our tunnels.

Hm, what if the system is running from a Thunderbolt-attached drive?
Will the mount points survive tearing down and re-establishing the
tunnels to that drive?

Thanks,

Lukas



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