linux-kernel - Re: [GIT PULL] timer fix

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Message-ID: <alpine.DEB.2.21.1901171755460.1592@nanos.tec.linutronix.de>
Date:   Thu, 17 Jan 2019 17:57:37 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Heiko Carstens <heiko.carstens@...ibm.com>
cc:     Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stefan Liebler <stli@...ux.ibm.com>
Subject: Re: [GIT PULL] timer fix

On Thu, 17 Jan 2019, Heiko Carstens wrote:
> On Thu, Jan 17, 2019 at 10:51:02AM +0100, Ingo Molnar wrote:
> > 
> > * Heiko Carstens <heiko.carstens@...ibm.com> wrote:
> > 
> > > > -	if (timr->it_requeue_pending == info->si_sys_private) {
> > > > +	if (timr->it_interval && timr->it_requeue_pending == info->si_sys_private) {
> > > >  		timr->kclock->timer_rearm(timr);
> > > 
> > > FWIW, with this patch the vanilla glibc 2.28 self tests
> > > rt/tst-cputimer1, rt/tst-cputimer2, and rt/tst-cputimer3
> > > start to fail on s390:
> ...
> > > I haven't looked any further into this, just reporting.. otherwise the
> > > test systems seem to be healthy.
> > 
> > Could you please check whether the top commit in tip:timers/urgent fixes 
> > it:
> >   93ad0fc088c5: posix-cpu-timers: Unbreak timer rearming
> 
> Yes, the test cases don't fail anymore. Thanks!
> 
> A general question: since I reported this already last year, was the
> bug report not usable? I understand that x-mas holidays were in
> between, just wondering if new "glibc test case" fails are worth to be
> reported like I did.

I was on a 3 weeks vacation and I tend to clean out my inbox when I return
as it turned out in the past that playing catch up is hopeless. The
important stuff comes back by itself :)

Thanks,

	tglx