linux-kernel - Re: [PATCH v2 09/15] admin-guide/hw-vuln: Correct prctl() argument description

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Date: Fri, 5 Apr 2024 11:32:56 +0200
From: Daniel Bristot de Oliveira <bristot@...hat.com>
To: "Joel Fernandes (Google)" <joel@...lfernandes.org>,
 linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
 Borislav Petkov <bp@...en8.de>, Peter Zijlstra <peterz@...radead.org>,
 Josh Poimboeuf <jpoimboe@...nel.org>,
 Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
 Jonathan Corbet <corbet@....net>
Cc: Suleiman Souhlal <suleiman@...gle.com>,
 Youssef Esmat <youssefesmat@...gle.com>, Steven Rostedt
 <rostedt@...dmis.org>, David Vernet <void@...ifault.com>,
 "Paul E . McKenney" <paulmck@...nel.org>, joseph.salisbury@...onical.com,
 Dietmar Eggemann <dietmar.eggemann@....com>, Ben Segall
 <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
 Valentin Schneider <vschneid@...hat.com>,
 Luca Abeni <luca.abeni@...tannapisa.it>,
 Tommaso Cucinotta <tommaso.cucinotta@...tannapisa.it>,
 Vineeth Pillai <vineeth@...byteword.org>,
 Shuah Khan <skhan@...uxfoundation.org>, Phil Auld <pauld@...hat.com>,
 linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 09/15] admin-guide/hw-vuln: Correct prctl() argument
 description

On 3/13/24 02:24, Joel Fernandes (Google) wrote:
> Correct the description for arg4 which appears to be outdated.
> 
> Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>

Maybe it is better to keep these tests into a separated thread (?) Because they
are touching things that are not about the server, so it might create conflicts...

What I did in the past when adding a series that was part in the kernel (tracer)
and part of tools (rtla) was to split them into two series, then referencing
one on the other - Steven suggested... and it was a good thing... and
reduced the number of versions.

So I am not adding these self-tests on top of the dl series for now... because
there is also discussion about the patches... and I am not an expert in the
selftests.... I will add a reference to this thread in the v6 cover and keep
updating it as new versions show up... in this way, one thing does not block
the other.

Thoughts?

-- Daniel

> ---
>  Documentation/admin-guide/hw-vuln/core-scheduling.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/admin-guide/hw-vuln/core-scheduling.rst b/Documentation/admin-guide/hw-vuln/core-scheduling.rst
> index cf1eeefdfc32..338d639a8127 100644
> --- a/Documentation/admin-guide/hw-vuln/core-scheduling.rst
> +++ b/Documentation/admin-guide/hw-vuln/core-scheduling.rst
> @@ -62,8 +62,8 @@ arg3:
>  
>  arg4:
>      ``pid_type`` for which the operation applies. It is one of
> -    ``PR_SCHED_CORE_SCOPE_``-prefixed macro constants.  For example, if arg4
> -    is ``PR_SCHED_CORE_SCOPE_THREAD_GROUP``, then the operation of this command
> +    ``PIDTIME_``-prefixed macro constants.  For example, if arg4
> +    is ``PIDTYPE_TGID``, then the operation of this command
>      will be performed for all tasks in the task group of ``pid``.
>  
>  arg5: