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SubjectRe: [PATCH 4.19.y] net: dsa: mt7530: disable learning on standalone ports
On Tue, Aug 24, 2021 at 11:57:53PM +0800, DENG Qingfang wrote:
> Hi Sasha,
>
> On Tue, Aug 24, 2021 at 11:29 PM Sasha Levin <sashal@kernel.org> wrote:
> > What's the reasoning behind:
> >
> > 1. Backporting this patch?
>
> Standalone ports should have address learning disabled, according to
> the documentation:
> https://www.kernel.org/doc/html/v5.14-rc7/networking/dsa/dsa.html#bridge-layer
> dsa_switch_ops on 5.10 or earlier does not have .port_bridge_flags
> function so it has to be done differently.
>
> I've identified an issue related to this.

What issue is that? Where was it reported?

> > 2. A partial backport of this patch?
>
> The other part does not actually fix anything.

Then why is it not ok to just take the whole thing?

When backporting not-identical-patches, something almost always goes
wrong, so we prefer to take the original commit when ever possible.

thanks,

greg k-h

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