RE: [EXT] Re: [PATCH v2 net 2/2] net: fec: restructuring the functions to avoid forward declarations

[Shenwei Wang]

> -----Original Message-----
> From: Simon Horman <horms@xxxxxxxxxx>
> Sent: Wednesday, May 3, 2023 10:34 AM
> To: Shenwei Wang <shenwei.wang@xxxxxxx>
> Cc: Andrew Lunn <andrew@xxxxxxx>; Wei Fang <wei.fang@xxxxxxx>; David S.
> Miller <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub
> Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>; Clark Wang
> <xiaoning.wang@xxxxxxx>; dl-linux-imx <linux-imx@xxxxxxx>; Alexei
> Starovoitov <ast@xxxxxxxxxx>; Daniel Borkmann <daniel@xxxxxxxxxxxxx>;
> Jesper Dangaard Brouer <hawk@xxxxxxxxxx>; John Fastabend
> <john.fastabend@xxxxxxxxx>; Alexander Lobakin
> <alexandr.lobakin@xxxxxxxxx>; netdev@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; imx@xxxxxxxxxxxxxxx
> Subject: Re: [EXT] Re: [PATCH v2 net 2/2] net: fec: restructuring the functions to
> avoid forward declarations
> 
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> 
> On Wed, May 03, 2023 at 12:53:57PM +0000, Shenwei Wang wrote:
> >
> >
> > > -----Original Message-----
> > > From: Andrew Lunn <andrew@xxxxxxx>
> > > Sent: Tuesday, May 2, 2023 6:19 PM
> > > To: Shenwei Wang <shenwei.wang@xxxxxxx>
> > > Cc: Wei Fang <wei.fang@xxxxxxx>; David S. Miller
> > > <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub
> > > Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>; Clark
> > > Wang <xiaoning.wang@xxxxxxx>; dl- linux-imx <linux-imx@xxxxxxx>;
> > > Alexei Starovoitov <ast@xxxxxxxxxx>; Daniel Borkmann
> > > <daniel@xxxxxxxxxxxxx>; Jesper Dangaard Brouer <hawk@xxxxxxxxxx>;
> > > John Fastabend <john.fastabend@xxxxxxxxx>; Alexander Lobakin
> > > <alexandr.lobakin@xxxxxxxxx>; netdev@xxxxxxxxxxxxxxx; linux-
> > > kernel@xxxxxxxxxxxxxxx; imx@xxxxxxxxxxxxxxx
> > > Subject: [EXT] Re: [PATCH v2 net 2/2] net: fec: restructuring the
> > > functions to avoid forward declarations
> > >
> > > Caution: This is an external email. Please take care when clicking
> > > links or opening attachments. When in doubt, report the message
> > > using the 'Report this email' button
> > >
> > >
> > > On Tue, May 02, 2023 at 05:08:18PM -0500, Shenwei Wang wrote:
> > > > The patch reorganizes functions related to XDP frame transmission,
> > > > moving them above the fec_enet_run_xdp implementation. This
> > > > eliminates the need for forward declarations of these functions.
> > >
> > > I'm confused. Are these two patches in the wrong order?
> > >
> > > The reason that i asked you to fix the forward declaration in
> > > net-next is that it makes your fix two patches. Sometimes that is
> > > not obvious to people back porting patches, and one gets lost,
> > > causing build problems. So it is better to have a single patch which
> > > is maybe not 100% best practice merged to stable, and then a cleanup patch
> merged to the head of development.
> > >
> >
> > If that is the case, we should forgo the second patch. Its purpose was
> > to reorganize function order such that the subsequent patch to
> > net-next enabling XDP_TX would not encounter forward declaration issues.
> 
> I think a good plan would be, as I understood Andrew's original suggestion,
> to:
> 
> 1. Only have patch 2/2, targeted at 'net', for now 2. Later, once that patch has
> been accepted into 'net', 'net-next' has
>    reopened, and that patch is present in 'net-next', then follow-up
>    with patch 1/2, which is a cleanup.

So should I re-submit the patch? Or you just take the 1st patch and drop the 2nd one?

Thanks,
Shenwei