Re: [PATCH 0/3] Fix improper handling of pcie hotplug events.

From: Bjorn Helgaas
Date: Wed Dec 07 2016 - 18:31:11 EST


Hi Ashok,

On Sat, Nov 19, 2016 at 12:32:44AM -0800, Ashok Raj wrote:
> This patch series fixes pciehp for certain special conditions observed during
> testing.
>
> Ashok Raj (3):
> pciehp: Prioritize data-link event over presence detect
> pciehp: Fix led status when enabling already enabled slot.
> pciehp: Fix race condition handling surprise link-down
>
> drivers/pci/hotplug/pciehp_ctrl.c | 6 +++---
> drivers/pci/hotplug/pciehp_hpc.c | 21 ++++++++++++---------
> 2 files changed, 15 insertions(+), 12 deletions(-)

These are all marked for stable, which probably makes sense, but
without bug reports that show the specific bad things that happen, I
can't justify that. Per Documentation/stable_kernel_rules.txt, we
should have examples of "real bugs that bother people."

Bjorn