NAK: [J][PATCH 0/1] Include DPC Fixes in Ubuntu 22.04 and 20.04

[Kleber Souza]

On 05.04.22 23:29, Jeff Lane wrote:
> BugLink: https://bugs.launchpad.net/bugs/1965241
> 
> Recovery from DownPort Containment events fail and the NVMe endpoint is not
> accessible in some scenarios.
> 
> These are some of the DPC fixes which help in handling some of the failure
> cases of DownPort Containment events as requested by Dell.
> 
> Upstream kernel patches to be included into Ubuntu 22.04 and into Ubuntu
> 20.04.5:
> 
>    Already in Jammy as of Ubuntu-5.15.0-1.1
>    PCI/portdrv: Enable Bandwidth Notification only if port supports it
>    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.17-rc6&id=00823dcbdd415c868390feaca16f0265101efab4
> 
>    Cherry picked in this request
>    PCI: pciehp: Ignore Link Down/Up caused by error-induced Hot Reset
>    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.17-rc6&id=ea401499e943c307e6d44af6c2b4e068643e7884
> 
> We think 20.04.5 HWE should be sufficient for Focal, so unless I hear
> otherwise, I don't think an SRU to 5.4 is necessary.
> 
> Lukas Wunner (1):
>    PCI: pciehp: Ignore Link Down/Up caused by error-induced Hot Reset
> 
>   drivers/pci/hotplug/pciehp.h      |  2 ++
>   drivers/pci/hotplug/pciehp_core.c |  2 ++
>   drivers/pci/hotplug/pciehp_hpc.c  | 26 ++++++++++++++++++++++++++
>   drivers/pci/pcie/portdrv.h        |  2 ++
>   drivers/pci/pcie/portdrv_pci.c    |  3 +++
>   5 files changed, 35 insertions(+)
> 

According to the bug report, this issue needs an additional fix.
I talked to Jeff and his team will be sending an update soon for this.


Thanks,
Kleber