linux-kernel - Re: [PATCH net-next v2 5/5] netconsole: docs: Add documentation for CPU number auto-population

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Message-ID: <20250116-ethereal-vigilant-duck-0bcffe@leitao>
Date: Thu, 16 Jan 2025 01:31:43 -0800
From: Breno Leitao <leitao@...ian.org>
To: Randy Dunlap <rdunlap@...radead.org>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>, Jonathan Corbet <corbet@....net>,
	Shuah Khan <shuah@...nel.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kselftest@...r.kernel.org, kernel-team@...a.com,
	max@...sevol.com, thepacketgeek@...il.com
Subject: Re: [PATCH net-next v2 5/5] netconsole: docs: Add documentation for
 CPU number auto-population

Hello Randy,

On Wed, Jan 15, 2025 at 02:56:06PM -0800, Randy Dunlap wrote:
> On 1/15/25 5:35 AM, Breno Leitao wrote:
> > Update the netconsole documentation to explain the new feature that
> > allows automatic population of the CPU number.
> > 
> > The key changes include introducing a new section titled "CPU number
> > auto population in userdata", explaining how to enable the CPU number
> > auto-population feature by writing to the "populate_cpu_nr" file in the
> > netconsole configfs hierarchy.
> > 
> > This documentation update ensures users are aware of the new CPU number
> > auto-population functionality and how to leverage it for better
> > demultiplexing and visibility of parallel netconsole output.
> > 
> > Signed-off-by: Breno Leitao <leitao@...ian.org>
> > ---
> >  Documentation/networking/netconsole.rst | 45 +++++++++++++++++++++++++++++++++
> >  1 file changed, 45 insertions(+)
> > 
> > diff --git a/Documentation/networking/netconsole.rst b/Documentation/networking/netconsole.rst
> > index 94c4680fdf3e7e1a0020d11b44547acfd68072a5..bc9ccebdae7adadd7c57aef20a726536d7ab3173 100644
> > --- a/Documentation/networking/netconsole.rst
> > +++ b/Documentation/networking/netconsole.rst
> > @@ -17,6 +17,8 @@ Release prepend support by Breno Leitao <leitao@...ian.org>, Jul 7 2023
> >  
> >  Userdata append support by Matthew Wood <thepacketgeek@...il.com>, Jan 22 2024
> >  
> > +Sysdata append support by Breno Leitao <leitao@...ian.org>, Jan 15 2025
> > +
> >  Please send bug reports to Matt Mackall <mpm@...enic.com>
> >  Satyam Sharma <satyam.sharma@...il.com>, and Cong Wang <xiyou.wangcong@...il.com>
> >  
> > @@ -238,6 +240,49 @@ Delete `userdata` entries with `rmdir`::
> >  
> >     It is recommended to not write user data values with newlines.
> >  
> > +CPU number auto population in userdata
> > +--------------------------------------
> > +
> > +Inside the netconsole configfs hierarchy, there is a file called
> > +`cpu_nr` under the `userdata` directory. This file is used to enable or disable
> > +the automatic CPU number population feature. This feature automatically
> > +populate the CPU number that is sending the message.
> 
>    populates

Thanks for the review, I will update.
--breno