From: Greg KH <gregkh@linuxfoundation.org>
To: "Eads, Gage" <gage.eads@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"Karlsson, Magnus" <magnus.karlsson@intel.com>,
"Topel, Bjorn" <bjorn.topel@intel.com>
Subject: Re: [PATCH 01/20] dlb2: add skeleton for DLB 2.0 driver
Date: Sat, 18 Jul 2020 08:46:56 +0200 [thread overview]
Message-ID: <20200718064656.GB245355@kroah.com> (raw)
In-Reply-To: <SN6PR11MB2574E9B6F6957D765BC18F29F67C0@SN6PR11MB2574.namprd11.prod.outlook.com>
On Fri, Jul 17, 2020 at 06:18:46PM +0000, Eads, Gage wrote:
>
>
> > -----Original Message-----
> > From: Greg KH <gregkh@linuxfoundation.org>
> > Sent: Sunday, July 12, 2020 10:58 AM
> > To: Eads, Gage <gage.eads@intel.com>
> > Cc: linux-kernel@vger.kernel.org; arnd@arndb.de; Karlsson, Magnus
> > <magnus.karlsson@intel.com>; Topel, Bjorn <bjorn.topel@intel.com>
> > Subject: Re: [PATCH 01/20] dlb2: add skeleton for DLB 2.0 driver
> >
> > On Sun, Jul 12, 2020 at 08:43:12AM -0500, Gage Eads wrote:
> > > +static int dlb2_probe(struct pci_dev *pdev,
> > > + const struct pci_device_id *pdev_id) {
> > > + struct dlb2_dev *dlb2_dev;
> > > + int ret;
> > > +
> > > + dev_dbg(&pdev->dev, "probe\n");
> >
> > ftrace is your friend. Remove all of your debugging code now, you don't need
> > it anymore, especially for stuff like this where you didn't even need it in the
> > first place :(
>
> I'll remove this and other similar dev_dbg() calls. This was an oversight on my part.
>
> I have other instances that a kprobe can't easily replace, such as printing structure contents, that are useful for tracing the usage of the driver. It looks like other misc drivers use dev_dbg() similarly -- do you consider this an acceptable use of a debug print?
Why can't a kernel tracepoint print a structure?
thanks,
greg k-h
next prev parent reply other threads:[~2020-07-18 6:47 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-12 13:43 [PATCH 00/20] dlb2: introduce DLB 2.0 device driver Gage Eads
2020-07-12 13:43 ` [PATCH 01/20] dlb2: add skeleton for DLB 2.0 driver Gage Eads
2020-07-12 15:56 ` Greg KH
2020-07-17 18:19 ` Eads, Gage
2020-07-18 6:46 ` Greg KH
2020-07-12 15:58 ` Greg KH
2020-07-17 18:18 ` Eads, Gage
2020-07-18 6:46 ` Greg KH [this message]
2020-07-20 19:02 ` Eads, Gage
2020-07-20 19:19 ` Greg KH
2020-07-24 21:00 ` Eads, Gage
2020-07-12 13:43 ` [PATCH 02/20] dlb2: initialize PF device Gage Eads
2020-07-12 13:43 ` [PATCH 03/20] dlb2: add resource and device initialization Gage Eads
2020-07-12 13:43 ` [PATCH 04/20] dlb2: add device ioctl layer and first 4 ioctls Gage Eads
2020-07-12 14:42 ` Randy Dunlap
2020-07-17 18:20 ` Eads, Gage
2020-07-12 14:53 ` Randy Dunlap
2020-07-17 18:20 ` Eads, Gage
2020-07-12 15:28 ` Arnd Bergmann
2020-07-17 18:19 ` Eads, Gage
2020-07-17 18:56 ` Arnd Bergmann
2020-07-17 20:05 ` Eads, Gage
2020-07-18 6:48 ` gregkh
2020-08-04 22:20 ` Eads, Gage
2020-08-05 6:46 ` gregkh
2020-08-05 15:07 ` Eads, Gage
2020-08-05 15:17 ` gregkh
2020-08-05 15:39 ` Eads, Gage
2020-07-12 13:43 ` [PATCH 05/20] dlb2: add sched domain config and reset support Gage Eads
2020-07-12 13:43 ` [PATCH 06/20] dlb2: add ioctl to get sched domain fd Gage Eads
2020-07-12 13:43 ` [PATCH 07/20] dlb2: add runtime power-management support Gage Eads
2020-07-12 13:43 ` [PATCH 08/20] dlb2: add queue create and queue-depth-get ioctls Gage Eads
2020-07-12 13:43 ` [PATCH 09/20] dlb2: add ioctl to configure ports, query poll mode Gage Eads
2020-07-12 15:34 ` Arnd Bergmann
2020-07-17 18:19 ` Eads, Gage
2020-07-12 13:43 ` [PATCH 10/20] dlb2: add port mmap support Gage Eads
2020-07-12 13:43 ` [PATCH 11/20] dlb2: add start domain ioctl Gage Eads
2020-07-12 13:43 ` [PATCH 12/20] dlb2: add queue map and unmap ioctls Gage Eads
2020-07-12 13:43 ` [PATCH 13/20] dlb2: add port enable/disable ioctls Gage Eads
2020-07-12 13:43 ` [PATCH 14/20] dlb2: add CQ interrupt support Gage Eads
2020-07-12 13:43 ` [PATCH 15/20] dlb2: add domain alert support Gage Eads
2020-07-12 13:43 ` [PATCH 16/20] dlb2: add sequence-number management ioctls Gage Eads
2020-07-12 13:43 ` [PATCH 17/20] dlb2: add cos bandwidth get/set ioctls Gage Eads
2020-07-12 13:43 ` [PATCH 18/20] dlb2: add device FLR support Gage Eads
2020-07-12 13:43 ` [PATCH 19/20] dlb2: add basic PF sysfs interfaces Gage Eads
2020-07-12 13:43 ` [PATCH 20/20] dlb2: add ingress error handling Gage Eads
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