APPLIED[I]: [PATCH 0/1][SRU][H/OEM-5.10/OEM-5.13/U] Fix system hang after unplug tbt dock

[Andrea Righi]

On Mon, Aug 02, 2021 at 06:56:31PM +0800, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1938689
> 
> SRU justification:
> 
> [Impact]
> System hang after unplug thunderbolt dock with Intel igc lan.
> 
> [Fix]
> igc driver continue reading and writing MMIO address after PCI device is
> unplugged.
> This cause system page fault, and system hang.
> Add safe check and prevent reading and writing the MMIO.
> 
> The patch is in maintainer's tree, but not merged to Linus's tree.
> Due to the schedule, send SRU as SAUCE patch.
> 
> [Test]
> Verified on hardware, after unplug the thunderbolt cable,
> system work fine.
> 
> [Where problems could occur]
> It may break the igc driver.

Applied to impish:linux 5.13.

Thanks,
-Andrea