[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20220730094032.GA1587@lespinasse.org>
Date: Sat, 30 Jul 2022 02:40:32 -0700
From: Michel Lespinasse <michel@...pinasse.org>
To: "Paul E. McKenney" <paulmck@...nel.org>
Cc: Michel Lespinasse <michel@...pinasse.org>,
Peter Zijlstra <peterz@...radead.org>, rth@...ddle.net,
ink@...assic.park.msu.ru, mattst88@...il.com, vgupta@...nel.org,
linux@...linux.org.uk, ulli.kroll@...glemail.com,
linus.walleij@...aro.org, shawnguo@...nel.org,
Sascha Hauer <s.hauer@...gutronix.de>, kernel@...gutronix.de,
festevam@...il.com, linux-imx@....com, tony@...mide.com,
khilman@...nel.org, catalin.marinas@....com, will@...nel.org,
guoren@...nel.org, bcain@...cinc.com, chenhuacai@...nel.org,
kernel@...0n.name, geert@...ux-m68k.org, sammy@...my.net,
monstr@...str.eu, tsbogend@...ha.franken.de, dinguyen@...nel.org,
jonas@...thpole.se, stefan.kristiansson@...nalahti.fi,
shorne@...il.com, James.Bottomley@...senPartnership.com,
deller@....de, mpe@...erman.id.au, benh@...nel.crashing.org,
paulus@...ba.org, paul.walmsley@...ive.com, palmer@...belt.com,
aou@...s.berkeley.edu, hca@...ux.ibm.com, gor@...ux.ibm.com,
agordeev@...ux.ibm.com, borntraeger@...ux.ibm.com,
svens@...ux.ibm.com, ysato@...rs.sourceforge.jp, dalias@...c.org,
davem@...emloft.net, richard@....at,
anton.ivanov@...bridgegreys.com, johannes@...solutions.net,
tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
acme@...nel.org, mark.rutland@....com,
alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
namhyung@...nel.org, jgross@...e.com, srivatsa@...il.mit.edu,
amakhalov@...are.com, pv-drivers@...are.com,
boris.ostrovsky@...cle.com, chris@...kel.net, jcmvbkbc@...il.com,
rafael@...nel.org, lenb@...nel.org, pavel@....cz,
gregkh@...uxfoundation.org, mturquette@...libre.com,
sboyd@...nel.org, daniel.lezcano@...aro.org, lpieralisi@...nel.org,
sudeep.holla@....com, agross@...nel.org,
bjorn.andersson@...aro.org, anup@...infault.org,
thierry.reding@...il.com, jonathanh@...dia.com,
jacob.jun.pan@...ux.intel.com, Arnd Bergmann <arnd@...db.de>,
yury.norov@...il.com, andriy.shevchenko@...ux.intel.com,
linux@...musvillemoes.dk, rostedt@...dmis.org, pmladek@...e.com,
senozhatsky@...omium.org, john.ogness@...utronix.de,
frederic@...nel.org, quic_neeraju@...cinc.com,
josh@...htriplett.org, mathieu.desnoyers@...icios.com,
jiangshanlai@...il.com, joel@...lfernandes.org,
juri.lelli@...hat.com, vincent.guittot@...aro.org,
dietmar.eggemann@....com, bsegall@...gle.com, mgorman@...e.de,
bristot@...hat.com, vschneid@...hat.com, jpoimboe@...nel.org,
linux-alpha@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-snps-arc@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
linux-csky@...r.kernel.org, linux-hexagon@...r.kernel.org,
linux-ia64@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
linux-mips@...r.kernel.org, openrisc@...ts.librecores.org,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-riscv@...ts.infradead.org, linux-s390@...r.kernel.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
linux-um@...ts.infradead.org, linux-perf-users@...r.kernel.org,
virtualization@...ts.linux-foundation.org,
xen-devel@...ts.xenproject.org, linux-xtensa@...ux-xtensa.org,
linux-acpi@...r.kernel.org, linux-pm@...r.kernel.org,
linux-clk@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-tegra@...r.kernel.org, linux-arch@...r.kernel.org,
rcu@...r.kernel.org, rh0@...com
Subject: Re: [PATCH 04/36] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE
On Fri, Jul 29, 2022 at 08:26:22AM -0700, Paul E. McKenney wrote:> Would you be willing to try another shot in the dark, but untested
> this time? I freely admit that this is getting strange.
>
> Thanx, Paul
Yes, adding this second change got rid of the boot time warning for me.
> ------------------------------------------------------------------------
>
> diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
> index e374c0c923dae..279f557bf60bb 100644
> --- a/kernel/sched/clock.c
> +++ b/kernel/sched/clock.c
> @@ -394,7 +394,7 @@ notrace void sched_clock_tick(void)
> if (!static_branch_likely(&sched_clock_running))
> return;
>
> - lockdep_assert_irqs_disabled();
> + WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !raw_irqs_disabled());
>
> scd = this_scd();
> __scd_stamp(scd);
Powered by blists - more mailing lists