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From: Takashi Iwai <tiwai@suse.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Josh Boyer <jwboyer@fedoraproject.org>,
	Pontus Fuchs <pontus.fuchs@gmail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Gleb Natapov <gleb@kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: Regression: sched/preempt: Add static_key() to preempt_notifiers breaks my KVM
Date: Fri, 03 Jul 2015 15:15:27 +0200	[thread overview]
Message-ID: <s5hzj3do00g.wl-tiwai@suse.de> (raw)
In-Reply-To: <20150701065541.GA4158@gmail.com>

At Wed, 1 Jul 2015 08:55:41 +0200,
Ingo Molnar wrote:
> 
> 
> * Josh Boyer <jwboyer@fedoraproject.org> wrote:
> 
> > > Tested ok. Thanks.
> > 
> > We've had a report of this in Fedora now.  Is the above patch queued anywhere?
> > 
> > https://bugzilla.redhat.com/show_bug.cgi?id=1237143
> 
> Yes, it's in tip:sched/urgent, en route to Linus.

FYI, I checked the latest linux-next and indeed the warning is gone.
However, the mouse cursor moves very sluggish on KVM when booted as
UP.  Reverting the commit 1cde2930e154 fixes it.

So, the patch doesn't seem fixing all regressions.


thanks,

Takashi

      reply	other threads:[~2015-07-03 13:15 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-25 12:00 Pontus Fuchs
2015-06-25 12:09 ` Peter Zijlstra
2015-06-25 12:15   ` Pontus Fuchs
2015-06-25 12:55     ` [PATCH] sched,kvm: Fix KVM preempt_notifier usage Peter Zijlstra
2015-06-30 11:10       ` [tip:sched/urgent] sched/preempt, kvm: " tip-bot for Peter Zijlstra
2015-07-03 11:23         ` Paolo Bonzini
2015-07-03 11:12       ` [PATCH] sched,kvm: " Paolo Bonzini
2015-07-03 12:19         ` Peter Zijlstra
2015-07-03 12:31           ` Paolo Bonzini
2015-07-03 13:17             ` Peter Zijlstra
2015-07-03 15:16               ` Peter Zijlstra
2015-07-03 15:26                 ` Paolo Bonzini
2015-07-03 15:38                   ` Paolo Bonzini
2015-07-03 15:42                     ` Peter Zijlstra
2015-07-03 15:46                       ` Paolo Bonzini
2015-07-03 15:57                         ` Takashi Iwai
2015-06-30 13:47     ` Regression: sched/preempt: Add static_key() to preempt_notifiers breaks my KVM Josh Boyer
2015-07-01  6:55       ` Ingo Molnar
2015-07-03 13:15         ` Takashi Iwai [this message]

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