From: Juri Lelli <juri.lelli@arm.com>
To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
peterz@infradead.org, vincent.guittot@linaro.org,
robh+dt@kernel.org, mark.rutland@arm.com, sudeep.holla@arm.com,
lorenzo.pieralisi@arm.com, catalin.marinas@arm.com,
will.deacon@arm.com, morten.rasmussen@arm.com,
dietmar.eggemann@arm.com, broonie@kernel.org,
gregkh@linuxfoundation.org
Subject: Re: [PATCH v3 6/9] drivers: remove useless comment from base/arch_topology.c
Date: Mon, 10 Apr 2017 15:02:14 +0100 [thread overview]
Message-ID: <20170410140214.GE30804@e106622-lin> (raw)
In-Reply-To: <20170410135103.GR17774@n2100.armlinux.org.uk>
Hi,
On 10/04/17 14:51, Russell King - ARM Linux wrote:
> On Mon, Mar 27, 2017 at 02:18:22PM +0100, Juri Lelli wrote:
> > Printing out an error message when we failed to get the cpu device is
> > not helping anyone. Remove it.
>
> (1) the subject line talks about removing a "comment" but you're
> actually removing an error printk
> (2) I don't think it's "not helping anyone", although the description
> above doesn't say _why_ - it's reporting the lack of a missing CPU
> device that we expect to be present. If it's not present, then
> we're not going to end up with the cpu capacity attribute, and the
> error message answers the "why is that sysfs file missing" question.
That's the same I was thinking when I put the error message there in the
first place. But, then Greg didn't seem to like it.
>
> I think a better commit message is needed for this change.
>
We could just skip this patch entirely. Or, of course, I can easily
update the commit message.
Which way is to be preferred?
Thanks,
- Juri
> >
> > Signed-off-by: Juri Lelli <juri.lelli@arm.com>
> > ---
> > drivers/base/arch_topology.c | 6 ++----
> > 1 file changed, 2 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
> > index c33482121b7d..b24d9a2af2c5 100644
> > --- a/drivers/base/arch_topology.c
> > +++ b/drivers/base/arch_topology.c
> > @@ -81,11 +81,9 @@ static int register_cpu_capacity_sysctl(void)
> >
> > for_each_possible_cpu(i) {
> > cpu = get_cpu_device(i);
> > - if (!cpu) {
> > - pr_err("%s: too early to get CPU%d device!\n",
> > - __func__, i);
> > + if (!cpu)
> > continue;
> > - }
> > +
> > device_create_file(cpu, &dev_attr_cpu_capacity);
> > }
> >
> > --
> > 2.10.0
> >
>
> --
> RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
> FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
> according to speedtest.net.
next prev parent reply other threads:[~2017-04-10 14:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-27 13:18 [PATCH v3 0/9] Fix issues and factorize arm/arm64 capacity information code Juri Lelli
2017-03-27 13:18 ` [PATCH v3 1/9] Documentation: arm: fix wrong reference number in DT definition Juri Lelli
2017-03-27 13:18 ` [PATCH v3 2/9] Documentation/ABI: add information about cpu_capacity Juri Lelli
2017-03-27 13:18 ` [PATCH v3 3/9] arm: fix return value of parse_cpu_capacity Juri Lelli
2017-03-29 7:37 ` Vincent Guittot
2017-03-29 8:06 ` Juri Lelli
2017-03-27 13:18 ` [PATCH v3 4/9] arm: remove wrong CONFIG_PROC_SYSCTL ifdef Juri Lelli
2017-03-29 7:39 ` Vincent Guittot
2017-03-27 13:18 ` [PATCH v3 5/9] arm, arm64: factorize common cpu capacity default code Juri Lelli
2017-04-08 16:25 ` Greg KH
2017-04-10 8:18 ` Catalin Marinas
2017-04-10 16:23 ` Juri Lelli
2017-03-27 13:18 ` [PATCH v3 6/9] drivers: remove useless comment from base/arch_topology.c Juri Lelli
2017-04-10 13:51 ` Russell King - ARM Linux
2017-04-10 14:02 ` Juri Lelli [this message]
2017-04-10 16:33 ` Russell King - ARM Linux
2017-04-11 10:43 ` Juri Lelli
2017-03-27 13:18 ` [PATCH v3 7/9] arm,arm64,drivers: reduce scope of cap_parsing_failed Juri Lelli
2017-04-10 8:31 ` Catalin Marinas
2017-03-27 13:18 ` [PATCH v3 8/9] arm,arm64,drivers: move externs in a new header file Juri Lelli
2017-04-10 8:31 ` Catalin Marinas
2017-03-27 13:18 ` [PATCH v3 9/9] arm,arm64,drivers: add a prefix to drivers arch_topology interfaces Juri Lelli
2017-04-10 8:32 ` [PATCH v3 9/9] arm, arm64, drivers: " Catalin Marinas
2017-04-06 14:14 ` [PATCH v3 0/9] Fix issues and factorize arm/arm64 capacity information code Juri Lelli
2017-04-10 15:05 ` Russell King - ARM Linux
2017-04-10 16:21 ` Juri Lelli
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