linux-kernel - Re: [PATCH 00/15] tick/sched: Refactor idle cputime accounting

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aW6saYApHwG_cgn_@pavilion.home>
Date: Mon, 19 Jan 2026 23:12:57 +0100
From: Frederic Weisbecker <frederic@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Boqun Feng <boqun.feng@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	"Christophe Leroy (CS GROUP)" <chleroy@...nel.org>,
	Kieran Bingham <kbingham@...nel.org>,
	Ben Segall <bsegall@...gle.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Ingo Molnar <mingo@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Juri Lelli <juri.lelli@...hat.com>,
	Neeraj Upadhyay <neeraj.upadhyay@...nel.org>,
	Xin Zhao <jackzxcui1989@....com>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Mel Gorman <mgorman@...e.de>,
	Valentin Schneider <vschneid@...hat.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Jan Kiszka <jan.kiszka@...mens.com>, linuxppc-dev@...ts.ozlabs.org,
	"Paul E . McKenney" <paulmck@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Uladzislau Rezki <urezki@...il.com>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Heiko Carstens <hca@...ux.ibm.com>, linux-pm@...r.kernel.org,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Joel Fernandes <joelagnelf@...dia.com>,
	Nicholas Piggin <npiggin@...il.com>, linux-s390@...r.kernel.org
Subject: Re: [PATCH 00/15] tick/sched: Refactor idle cputime accounting

Le Mon, Jan 19, 2026 at 03:53:30PM +0100, Peter Zijlstra a écrit :
> On Fri, Jan 16, 2026 at 03:51:53PM +0100, Frederic Weisbecker wrote:
> >  kernel/sched/cputime.c             | 302 +++++++++++++++++++++++++++++++------
> 
> My editor feels strongly about the below; with that it still has one
> complaint about paravirt_steal_clock() which does not have a proper
> declaration.

I guess it happens to be somehow included in the <linux/sched*.h> wave

> 
> 
> diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
> index 7ff8dbec7ee3..248232fa6e27 100644
> --- a/kernel/sched/cputime.c
> +++ b/kernel/sched/cputime.c
> @@ -2,6 +2,7 @@
>  /*
>   * Simple CPU accounting cgroup controller
>   */
> +#include <linux/sched/clock.h>
>  #include <linux/sched/cputime.h>
>  #include <linux/tsacct_kern.h>
>  #include "sched.h"

Ok I'll include that.

Thanks.

-- 
Frederic Weisbecker
SUSE Labs