linux-kernel - Re: [PATCH] MAINTAINERS: add documentation to PSI section

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Message-ID: <20230801133235.GA1766885@cmpxchg.org>
Date:   Tue, 1 Aug 2023 09:32:35 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Ramazan Safiullin <ram.safiullin2001@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MAINTAINERS: add documentation to PSI section

On Tue, Aug 01, 2023 at 03:03:01PM +0200, Peter Zijlstra wrote:
> On Tue, Aug 01, 2023 at 01:07:09PM +0200, Lukas Bulwahn wrote:
> > On Tue, Aug 1, 2023 at 12:39 PM Peter Zijlstra <peterz@...radead.org> wrote:
> > >
> > > On Mon, Jul 31, 2023 at 04:12:00PM -0700, Suren Baghdasaryan wrote:
> > > > On Mon, Jul 31, 2023 at 4:10 PM Suren Baghdasaryan <surenb@...gle.com> wrote:
> > > > >
> > > > > On Fri, Jul 28, 2023 at 5:09 AM Ramazan Safiullin
> > > > > <ram.safiullin2001@...il.com> wrote:
> > > > > >
> > > > > > While creating a patch for the psi documentation I noticed that
> > > > > > MAINTENERS was missing an entry in psi.
> > > > > >
> > > > > > Add entry for psi documentation.
> > > > > >
> > > > > > Signed-off-by: Ramazan Safiullin <ram.safiullin2001@...il.com>
> > > > >
> > > > > Acked-by: Suren Baghdasaryan <surenb@...gle.com>
> > > >
> > > > CC'ing Peter to pick up into his tree.
> > >
> > > Well, I'd need the actual patch email, otherwise I can't apply. Either
> > > bounce the thread or have it be resent.
> > >
> > 
> > Speaking on behalf of Ramazan, who I am working with:
> > 
> > Suren, Peter, should we actually better just add you, Peter, as a
> > reviewer to PSI in MAINTAINERS, so that you get all the patches to psi
> > stuff in your mailbox and you just need to wait for an Ack from Suren
> > or Johannes?
> 
> Well, mostly psi patches touch kernel/sched/psi.c and then I should get
> it anyway (throught the kernel/sched/ glob). But sure, one more copy of
> my email address in that file isn't going to hurt..

>From f00cd5986718e7ff435444523305d480b54e34e8 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <hannes@...xchg.org>
Date: Tue, 1 Aug 2023 09:18:21 -0400
Subject: [PATCH] MAINTAINERS: add Peter explicitly to the psi section

Peter is kind enough to route the low-volume psi patches through the
scheduler tree, but he is frequently not CC'd on them.

While he is matched through the SCHEDULER maintainers and reviewers on
kern/sched/*, that list is long, and mostly not applicable to psi
code. Thus, patch submitters often just CC the explicit PSI entries.

Add him to that section, to make sure he gets those patches.

Signed-off-by: Johannes Weiner <hannes@...xchg.org>
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 3be1bdfe8ecc..b68f3ab368c1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -17037,6 +17037,7 @@ F:	drivers/net/ppp/pptp.c
 PRESSURE STALL INFORMATION (PSI)
 M:	Johannes Weiner <hannes@...xchg.org>
 M:	Suren Baghdasaryan <surenb@...gle.com>
+R:	Peter Ziljstra <peterz@...radead.org>
 S:	Maintained
 F:	include/linux/psi*
 F:	kernel/sched/psi.c
-- 
2.41.0