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

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Message-ID: <20161207233104.GK22129@bhelgaas-glaptop.roam.corp.google.com>
Date:   Wed, 7 Dec 2016 17:31:04 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Ashok Raj <ashok.raj@...el.com>
Cc:     linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
        Keith Busch <keith.busch@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Fix improper handling of pcie hotplug events.

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