Re: [PATCH 5.10 1/6] bpf: allow precision tracking for programs with subprogs

[Greg KH <gregkh@linuxfoundation.org>]

On Fri, Aug 04, 2023 at 08:56:09PM +0200, Thorsten Leemhuis wrote:
> On 04.08.23 12:33, Greg KH wrote:
> > On Tue, Aug 01, 2023 at 10:36:55PM +0800, Pu Lehui wrote:
> >> From: Andrii Nakryiko <andrii@kernel.org>
> >>
> >> [ Upstream commit be2ef8161572ec1973124ebc50f56dafc2925e07 ]
> > 
> > For obvious reasons, I can't take this series only for 5.10 and not for
> > 5.15, otherwise you would update your kernel and have a regression.
> > 
> > So please, create a 5.15.y series also, and resend both of these, and
> > then we will be glad to apply them.  For this series, I've dropped them
> > from my review queue now.
> 
> I see you explaining this occasionally, makes me wonder if we should add
> something like the following to
> Documentation/process/stable-kernel-rules.rst (sorry, no diff/context,
> but I guess you'll understand things nevertheless):
> 
> """
> When using option 2 or 3 you can target a specific stable series. When
> doing so, you have to ensure that the fix or and equivalent is present
> or submitted to all newer stable trees, as users updating to them
> otherwise might encounter regressions. Hence, if you want a patch that
> was merged for 5.19-rc1 included in the 5.10 stable series, you must
> submit it for any stable series still maintained in the v5.11..v5.18
> range.
> """

Sure, hopefully people read the documentation, at the very least, I can
just point the at it and stop saying this over and over :)

thanks,

greg k-h