From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Rich Felker <dalias-8zAoT0mYgF4@public.gmane.org>
Cc: Daniel Lezcano
<daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Subject: Re: [PATCH v7 2/2] clocksource: add J-Core timer/clocksource driver
Date: Tue, 04 Oct 2016 07:06:23 +0000 [thread overview]
Message-ID: <20161004070623.GM14933@linux.vnet.ibm.com> (raw)
In-Reply-To: <20161003221039.GR19318-C3MtFaGISjmo6RMmaWD+6Sb1p8zYI1N1@public.gmane.org>
On Mon, Oct 03, 2016 at 06:10:39PM -0400, Rich Felker wrote:
> On Mon, Sep 26, 2016 at 11:27:14PM +0200, Daniel Lezcano wrote:
> > On 26/09/2016 23:07, Rich Felker wrote:
> > > Ping. Is there anything that still needs to be changed for this driver
> > > to be acceptable?
> >
> > It is on my radar. I'm reviewing it.
> >
> > Can you elaborate the workaround mentioned in the changelog. I have been
> > digging into the lkml@ thread but it is not clear if the issue is
> > related to the time framework, the driver itself or whatever else. Can
> > you clarify that ?
>
> Do you have comments on any remaining issues other than this
> workaround? If not I don't mind removing the workaround and trying to
> solve the issue separately later. Let me know and either way I'll
> submit a v8.
One question of interest to me is whether this patchset prevents the
RCU CPU stall warnings that you are seeing.
Thanx, Paul
WARNING: multiple messages have this Message-ID (diff)
From: "Paul E. McKenney" <paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Rich Felker <dalias-8zAoT0mYgF4@public.gmane.org>
Cc: Daniel Lezcano
<daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sh-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Subject: Re: [PATCH v7 2/2] clocksource: add J-Core timer/clocksource driver
Date: Tue, 4 Oct 2016 00:06:23 -0700 [thread overview]
Message-ID: <20161004070623.GM14933@linux.vnet.ibm.com> (raw)
In-Reply-To: <20161003221039.GR19318-C3MtFaGISjmo6RMmaWD+6Sb1p8zYI1N1@public.gmane.org>
On Mon, Oct 03, 2016 at 06:10:39PM -0400, Rich Felker wrote:
> On Mon, Sep 26, 2016 at 11:27:14PM +0200, Daniel Lezcano wrote:
> > On 26/09/2016 23:07, Rich Felker wrote:
> > > Ping. Is there anything that still needs to be changed for this driver
> > > to be acceptable?
> >
> > It is on my radar. I'm reviewing it.
> >
> > Can you elaborate the workaround mentioned in the changelog. I have been
> > digging into the lkml@ thread but it is not clear if the issue is
> > related to the time framework, the driver itself or whatever else. Can
> > you clarify that ?
>
> Do you have comments on any remaining issues other than this
> workaround? If not I don't mind removing the workaround and trying to
> solve the issue separately later. Let me know and either way I'll
> submit a v8.
One question of interest to me is whether this patchset prevents the
RCU CPU stall warnings that you are seeing.
Thanx, Paul
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WARNING: multiple messages have this Message-ID (diff)
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Rich Felker <dalias@libc.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-sh@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v7 2/2] clocksource: add J-Core timer/clocksource driver
Date: Tue, 4 Oct 2016 00:06:23 -0700 [thread overview]
Message-ID: <20161004070623.GM14933@linux.vnet.ibm.com> (raw)
In-Reply-To: <20161003221039.GR19318@brightrain.aerifal.cx>
On Mon, Oct 03, 2016 at 06:10:39PM -0400, Rich Felker wrote:
> On Mon, Sep 26, 2016 at 11:27:14PM +0200, Daniel Lezcano wrote:
> > On 26/09/2016 23:07, Rich Felker wrote:
> > > Ping. Is there anything that still needs to be changed for this driver
> > > to be acceptable?
> >
> > It is on my radar. I'm reviewing it.
> >
> > Can you elaborate the workaround mentioned in the changelog. I have been
> > digging into the lkml@ thread but it is not clear if the issue is
> > related to the time framework, the driver itself or whatever else. Can
> > you clarify that ?
>
> Do you have comments on any remaining issues other than this
> workaround? If not I don't mind removing the workaround and trying to
> solve the issue separately later. Let me know and either way I'll
> submit a v8.
One question of interest to me is whether this patchset prevents the
RCU CPU stall warnings that you are seeing.
Thanx, Paul
next prev parent reply other threads:[~2016-10-04 7:06 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-24 5:07 [PATCH v7 0/2] J-Core timer support Rich Felker
2016-09-24 5:07 ` Rich Felker
[not found] ` <cover.1474693319.git.dalias-8zAoT0mYgF4@public.gmane.org>
2016-09-24 5:07 ` [PATCH v7 2/2] clocksource: add J-Core timer/clocksource driver Rich Felker
2016-09-24 5:07 ` Rich Felker
[not found] ` <22c1ee0f908fe3bf8b70f5e87d659ceb29af1434.1474693319.git.dalias-8zAoT0mYgF4@public.gmane.org>
2016-09-26 21:07 ` Rich Felker
2016-09-26 21:07 ` Rich Felker
2016-09-26 21:07 ` Rich Felker
2016-09-26 21:27 ` Daniel Lezcano
2016-09-26 21:27 ` Daniel Lezcano
[not found] ` <4b02ba7d-4a31-297a-bbbd-be26da615e7b-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-09-26 22:23 ` Rich Felker
2016-09-26 22:23 ` Rich Felker
2016-09-26 22:23 ` Rich Felker
2016-09-26 23:55 ` Thomas Gleixner
2016-09-26 23:55 ` Thomas Gleixner
2016-09-27 0:42 ` Rich Felker
2016-09-27 0:42 ` Rich Felker
2016-09-27 22:08 ` Rich Felker
2016-09-27 22:08 ` Rich Felker
2016-09-30 13:15 ` Thomas Gleixner
2016-09-30 13:15 ` Thomas Gleixner
2016-09-30 13:48 ` Paul E. McKenney
2016-09-30 13:48 ` Paul E. McKenney
2016-09-30 13:48 ` Paul E. McKenney
2016-10-01 17:05 ` Rich Felker
2016-10-01 17:05 ` Rich Felker
2016-10-01 17:58 ` Paul E. McKenney
2016-10-01 17:58 ` Paul E. McKenney
[not found] ` <20161001175837.GP14933-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-10-02 0:00 ` Rich Felker
2016-10-02 0:00 ` Rich Felker
2016-10-02 0:00 ` Rich Felker
2016-10-02 3:59 ` Rich Felker
2016-10-02 3:59 ` Rich Felker
2016-10-02 5:59 ` Paul E. McKenney
2016-10-02 5:59 ` Paul E. McKenney
[not found] ` <20161002000049.GP19318-C3MtFaGISjmo6RMmaWD+6Sb1p8zYI1N1@public.gmane.org>
2016-10-02 6:30 ` Paul E. McKenney
2016-10-02 6:30 ` Paul E. McKenney
2016-10-02 6:30 ` Paul E. McKenney
2016-10-08 1:32 ` Rich Felker
2016-10-08 1:32 ` Rich Felker
2016-10-08 11:32 ` Thomas Gleixner
2016-10-08 11:32 ` Thomas Gleixner
2016-10-08 16:26 ` Rich Felker
2016-10-08 16:26 ` Rich Felker
2016-10-08 16:26 ` Rich Felker
[not found] ` <20161008162614.GY19318-C3MtFaGISjmo6RMmaWD+6Sb1p8zYI1N1@public.gmane.org>
2016-10-08 17:03 ` Thomas Gleixner
2016-10-08 17:03 ` Thomas Gleixner
2016-10-08 17:03 ` Thomas Gleixner
2016-10-09 1:28 ` Rich Felker
2016-10-09 1:28 ` Rich Felker
2016-10-09 9:14 ` Thomas Gleixner
2016-10-09 9:14 ` Thomas Gleixner
2016-10-09 14:35 ` Rich Felker
2016-10-09 14:35 ` Rich Felker
2016-10-03 22:10 ` Rich Felker
2016-10-03 22:10 ` Rich Felker
[not found] ` <20161003221039.GR19318-C3MtFaGISjmo6RMmaWD+6Sb1p8zYI1N1@public.gmane.org>
2016-10-04 7:06 ` Paul E. McKenney [this message]
2016-10-04 7:06 ` Paul E. McKenney
2016-10-04 7:06 ` Paul E. McKenney
[not found] ` <20161004070623.GM14933-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2016-10-04 20:58 ` Rich Felker
2016-10-04 20:58 ` Rich Felker
2016-10-04 20:58 ` Rich Felker
2016-10-04 21:14 ` Paul E. McKenney
2016-10-04 21:14 ` Paul E. McKenney
2016-10-04 21:48 ` Rich Felker
2016-10-04 21:48 ` Rich Felker
2016-10-05 12:41 ` Paul E. McKenney
2016-10-05 12:41 ` Paul E. McKenney
2016-09-24 5:07 ` [PATCH v7 1/2] of: add J-Core timer bindings Rich Felker
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