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SubjectRe: [PATCH v4 0/4] Improve s0ix flows for systems i219LM
On Mon, Dec 14, 2020 at 7:35 AM Mario Limonciello
<mario.limonciello@dell.com> wrote:
>
> commit e086ba2fccda ("e1000e: disable s0ix entry and exit flows for ME systems")
> disabled s0ix flows for systems that have various incarnations of the
> i219-LM ethernet controller. This was done because of some regressions
> caused by an earlier
> commit 632fbd5eb5b0e ("e1000e: fix S0ix flows for cable connected case")
> with i219-LM controller.
>
> Per discussion with Intel architecture team this direction should be changed and
> allow S0ix flows to be used by default. This patch series includes directional
> changes for their conclusions in https://lkml.org/lkml/2020/12/13/15.
>
> Changes from v3 to v4:
> - Drop patch 1 for proper s0i3.2 entry, it was separated and is now merged in kernel
> - Add patch to only run S0ix flows if shutdown succeeded which was suggested in
> thread
> - Adjust series for guidance from https://lkml.org/lkml/2020/12/13/15
> * Revert i219-LM disallow-list.
> * Drop all patches for systems tested by Dell in an allow list
> * Increase ULP timeout to 1000ms
> Changes from v2 to v3:
> - Correct some grammar and spelling issues caught by Bjorn H.
> * s/s0ix/S0ix/ in all commit messages
> * Fix a typo in commit message
> * Fix capitalization of proper nouns
> - Add more pre-release systems that pass
> - Re-order the series to add systems only at the end of the series
> - Add Fixes tag to a patch in series.
>
> Changes from v1 to v2:
> - Directly incorporate Vitaly's dependency patch in the series
> - Split out s0ix code into it's own file
> - Adjust from DMI matching to PCI subsystem vendor ID/device matching
> - Remove module parameter and sysfs, use ethtool flag instead.
> - Export s0ix flag to ethtool private flags
> - Include more people and lists directly in this submission chain.
>
> Mario Limonciello (4):
> e1000e: Only run S0ix flows if shutdown succeeded
> e1000e: bump up timeout to wait when ME un-configure ULP mode
> Revert "e1000e: disable s0ix entry and exit flows for ME systems"
> e1000e: Export S0ix flags to ethtool
>
> drivers/net/ethernet/intel/e1000e/e1000.h | 1 +
> drivers/net/ethernet/intel/e1000e/ethtool.c | 40 ++++++++++++++
> drivers/net/ethernet/intel/e1000e/ich8lan.c | 4 +-
> drivers/net/ethernet/intel/e1000e/netdev.c | 59 ++++-----------------
> 4 files changed, 53 insertions(+), 51 deletions(-)
>

The changes look good to me.

Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>

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