netdev - Re: [PATCH] can: rcar_canfd: rcar_canfd_handle_global_receive(): fix IRQ storm on global FIFO receive

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Date:   Tue, 1 Nov 2022 19:36:20 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Biju Das <biju.das.jz@...renesas.com>, Pavel Machek <pavel@...x.de>
Cc:     Wolfgang Grandegger <wg@...ndegger.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
        Sasha Levin <sashal@...nel.org>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Chris Paterson <Chris.Paterson2@...esas.com>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH] can: rcar_canfd: rcar_canfd_handle_global_receive(): fix
 IRQ storm on global FIFO receive

On 11/1/22 14:59, Biju Das wrote:
>> I got 7 or so copies of this, with slightly different Cc: lines.
> 
> I followed option 1 mentioned in [1]
> > [1] https://www.kernel.org/doc/html/v5.10/process/stable-kernel-rules.html
> 
> 
>>
>> AFAICT this is supposed to be stable kernel submission. In such case,
>> I'd expect [PATCH 4.14, 4.19, 5.10] in the subject line, and original
>> sign-off block from the mainline patch.
> 
> OK. Maybe [1] needs updating.

The documentation says (in this case the third option applies):

> Send the patch, after verifying that it follows the above rules, to> stable@...r.kernel.org. You must note the upstream commit ID in the
> changelog of your submission, as well as the kernel version you wish
> it to be applied to.

It doesn't specify how to mark desired target branch, unfortunately.

> 
>>
>> OTOH if it has Fixes tag (and it does) or Cc: stable (it has both),
>> normally there's no need to do separate submission to stable, as Greg
>> handles these automatically?
> 
> I got merge conflict mails for 4.9, 4.14, 4.19, 5.4, 5.10 and 5.15 stable.
> I thought, I need to fix the conflicts and resend. Am I missing anything?? Please let me know.
> 

The upstream commit didn't apply cleanly to *all* stable branches due
to conflicts, right?

Thanks.

-- 
An old man doll... just what I always wanted! - Clara