On Mon, Mar 5, 2018 at 5:55 PM, Benjamin Poirier <bpoir...@suse.com> wrote:
> This reverts commit 19110cfbb34d4af0cdfe14cd243f3b09dc95b013.
> This reverts commit 4110e02eb45ea447ec6f5459c9934de0a273fb91.
> This reverts commit d3604515c9eda464a92e8e67aae82dfe07fe3c98.
>
> Commit 19110cfbb34d ("e1000e: Separate signaling for link check/link up")
> changed what happens to the link status when there is an error which
> happens after "get_link_status = false" in the copper check_for_link
> callbacks. Previously, such an error would be ignored and the link
> considered up. After that commit, any error implies that the link is down.
>
> Revert commit 19110cfbb34d ("e1000e: Separate signaling for link check/link
> up") and its followups. After reverting, the race condition described in
> the log of commit 19110cfbb34d is reintroduced. It may still be triggered
> by LSC events but this should keep the link down in case the link is
> electrically unstable, as discussed. The race may no longer be
> triggered by RXO events because commit 4aea7a5c5e94 ("e1000e: Avoid
> receiver overrun interrupt bursts") restored reading icr in the Other
> handler.
>
> Link: https://lkml.org/lkml/2018/3/1/789
> Signed-off-by: Benjamin Poirier <bpoir...@suse.com>Personally I am not a fan of the !mac->autoneg causing us to return an error, but that is how the code was before and the error return code will be ignored anyway. Thanks for doing all this. Acked-by: Alexander Duyck <alexander.h.du...@intel.com>
