linux-kernel - Re: [PATCH v1] mtd: rawnand: meson: fix bitmask for length in command word

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Date:   Wed, 29 Mar 2023 12:55:29 +0300
From:   Dmitry Rokosov <ddrokosov@...rdevices.ru>
To:     Tudor Ambarus <tudor.ambarus@...aro.org>
CC:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Arseniy Krasnov <avkrasnov@...rdevices.ru>,
        Liang Yang <liang.yang@...ogic.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Yixun Lan <yixun.lan@...ogic.com>,
        <linux-mtd@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <kernel@...rdevices.ru>,
        <oxffffaa@...il.com>
Subject: Re: [PATCH v1] mtd: rawnand: meson: fix bitmask for length in
 command word

On Wed, Mar 29, 2023 at 09:20:14AM +0100, Tudor Ambarus wrote:
> 
> 
> On 3/29/23 09:17, Dmitry Rokosov wrote:
> > On Wed, Mar 29, 2023 at 09:31:45AM +0200, Miquel Raynal wrote:
> >> Hello,
> >>
> >> avkrasnov@...rdevices.ru wrote on Wed, 29 Mar 2023 10:12:10 +0300:
> >>
> >>> On 28.03.2023 23:25, Martin Blumenstingl wrote:
> >>>> Hi Arseniy,
> >>>>
> >>>> On Tue, Mar 28, 2023 at 8:39 PM Arseniy Krasnov
> >>>> <avkrasnov@...rdevices.ru> wrote:
> >>>> [...]  
> >>>>>>
> >>>>>> By the way any reason not to have Cc'ed stable?  
> >>>>>
> >>>>> Sorry, what do You mean? I've included linux-mtd mailing lists, there is
> >>>>> one more list for mtd reviews? I will appreciate if You can point me  
> >>>> "stable" typically refers to the stable tree where fixes for already
> >>>> released kernel versions are maintained.
> >>>> When Miquel applies the patch it will either land in the next -rc of
> >>>> the current development cycle (typically applies to fixes - currently
> >>>> 6.3-rc5) or -rc1 of the next kernel version (typically applies to new
> >>>> features, cleanups, etc. - currently 6.4-rc1).
> >>>>
> >>>> Let's say you are fixing a bug now but want the fix to be included in
> >>>> 6.1 LTS (long term stable) or other stable release.
> >>>> In this case it's recommended to Cc the maintainers of the stable
> >>>> trees as part of your patch, see [0].
> >>>> That way once the commit with your fix hits Linus Torvalds linux tree
> >>>> it will be backported by the stable team within a few days (assuming
> >>>> of course that the patch applies cleanly to older versions, if not
> >>>> they're notifying you).
> >>>> Note: even without Cc'ing the stable maintainers your commit may be
> >>>> backported (semi-automatically) if it has a Fixes tag and the stable
> >>>> maintainers find your commit. But my understanding is that it's
> >>>> easiest for them if they're explicitly Cc'ed on the patch.
> >>>>
> >>>> I hope this makes sense. If not: don't hesitate to ask.  
> >>
> >> That is an excellent summary, I should copy/paste it sometimes :)
> >>
> > 
> > Finally I fully understand why 'Fixes' tag is so helpful!
> > Thank you Martin!
> > 
> 
> Here's the official documentation:
> https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html

Tudor thank you for suggestion!

I don't see anything about Fixes: tag on this page, but looks like
'Submitting patches' tutorial has it:

"""
A Fixes: tag indicates that the patch fixes an issue in a previous
commit. It is used to make it easy to determine where a bug originated,
which can help review a bug fix. This tag also assists the stable kernel
team in determining which stable kernel versions should receive your
fix. This is the preferred method for indicating a bug fixed by the
patch. See Describe your changes for more details.
"""
-- 
Thank you,
Dmitry