linux-kernel - Re: [RFC PATCH 0/5] vtime: Fix wrong user and system time accounting

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Date:   Wed, 5 Jul 2017 15:16:32 +0200
From:   Frederic Weisbecker <fweisbec@...il.com>
To:     Luiz Capitulino <lcapitulino@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Wanpeng Li <kernellwp@...il.com>,
        Rik van Riel <riel@...hat.com>
Subject: Re: [RFC PATCH 0/5] vtime: Fix wrong user and system time accounting

On Tue, Jul 04, 2017 at 12:52:00PM -0400, Luiz Capitulino wrote:
> On Thu, 29 Jun 2017 19:15:06 +0200
> Frederic Weisbecker <fweisbec@...il.com> wrote:
> 
> > Hi,
> > 
> > This is a proposition to fix
> > "[BUG nohz]: wrong user and system time accounting":
> >         http://lkml.kernel.org/r/20170323165512.60945ac6@redhat.com
> 
> Amazing series Frederic! This fixes all instances of the issue
> for me on bare-metal and KVM guests, even acct-bug[1] is fixed.
> 
> Tested-by: Luiz Capitulino <lcapitulino@...hat.com>
> 
> [1] http://people.redhat.com/~lcapitul/real-time/acct-bug.c

I'm glad it worked out! Thanks a lot for your testing. Now let's see
if someone stumbles upon a new bug introduced by this series. Given how
sensitive it can be.