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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 v3 01/19] dlb2: add skeleton for DLB 2.0 driver
Date: Thu, 10 Sep 2020 19:00:01 +0200	[thread overview]
Message-ID: <20200910170001.GA1621093@kroah.com> (raw)
In-Reply-To: <SN6PR11MB257475DF5F45FED24F4D4968F6270@SN6PR11MB2574.namprd11.prod.outlook.com>

On Thu, Sep 10, 2020 at 04:52:37PM +0000, Eads, Gage wrote:
> 
> 
> > -----Original Message-----
> > From: Greg KH <gregkh@linuxfoundation.org>
> > Sent: Thursday, September 10, 2020 11:32 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 v3 01/19] dlb2: add skeleton for DLB 2.0 driver
> > 
> > On Thu, Sep 10, 2020 at 04:24:31PM +0000, Eads, Gage wrote:
> > >
> > >
> > > > -----Original Message-----
> > > > From: Greg KH <gregkh@linuxfoundation.org>
> > > > Sent: Monday, September 7, 2020 8:02 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 v3 01/19] dlb2: add skeleton for DLB 2.0 driver
> > > >
> > > > On Tue, Sep 01, 2020 at 02:15:30PM -0500, Gage Eads wrote:
> > > > > --- /dev/null
> > > > > +++ b/drivers/misc/dlb2/dlb2_main.c
> > > > > @@ -0,0 +1,208 @@
> > > > > +// SPDX-License-Identifier: GPL-2.0-only
> > > > > +/* Copyright(c) 2018-2020 Intel Corporation */
> > > > > +
> > > > > +#include <linux/aer.h>
> > > > > +#include <linux/cdev.h>
> > > > > +#include <linux/delay.h>
> > > > > +#include <linux/fs.h>
> > > > > +#include <linux/init.h>
> > > > > +#include <linux/list.h>
> > > > > +#include <linux/module.h>
> > > > > +#include <linux/pci.h>
> > > > > +#include <linux/uaccess.h>
> > > > > +
> > > > > +#include "dlb2_main.h"
> > > > > +
> > > > > +static const char
> > > > > +dlb2_driver_copyright[] = "Copyright(c) 2018-2020 Intel Corporation";
> > > >
> > > > Why have this in a string and then:
> > > >
> > > > > +MODULE_LICENSE("GPL v2");
> > > > > +MODULE_AUTHOR("Copyright(c) 2018-2020 Intel Corporation");
> > > >
> > > > Not use it?
> > > >
> > > > It's probably not needed at all, right?
> > > >
> > > > Don't you get a build warning about this when applying and building this
> > > > patch?
> > > >
> > > > thanks,
> > > >
> > > > greg k-h
> > >
> > > dlb2_driver_copyright was used in a pr_info() in the v1 patchset that was
> > > removed at Arnd's recommendation, and I forgot to remove the string.
> > Will fix.
> > > The unused warning variable was likely missed in the deluge of warnings
> > from
> > > included kernel headers.
> > 
> > You should not have any build warnings.  If you do, then something is
> > really wrong, the kernel builds cleanly today.
> > 
> > thanks,
> > 
> > greg k-h
> 
> Sorry, I worded that ambiguously. The driver builds without any warnings with
> my GCC (7.3.1) by default. The deluge from kernel headers only occurs after
> adding EXTRA_CFLAGS=-W. There shouldn't be any dlb2 warnings with -W enabled,
> but I'll double check.

You do know about "W=1", right?

  reply	other threads:[~2020-09-10 17:00 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01 19:15 [PATCH v3 00/19] dlb2: introduce DLB 2.0 device driver Gage Eads
2020-09-01 19:15 ` [PATCH v3 01/19] dlb2: add skeleton for DLB 2.0 driver Gage Eads
2020-09-07 13:00   ` Greg KH
2020-09-07 13:01   ` Greg KH
     [not found]     ` <SN6PR11MB2574DA2AA215E9566BA4F410F6270@SN6PR11MB2574.namprd11.prod.outlook.com>
2020-09-10 16:32       ` Greg KH
2020-09-10 16:52         ` Eads, Gage
2020-09-10 17:00           ` Greg KH [this message]
2020-09-07 13:10   ` Greg KH
2020-09-01 19:15 ` [PATCH v3 02/19] dlb2: initialize PF device Gage Eads
2020-09-01 19:15 ` [PATCH v3 03/19] dlb2: add resource and device initialization Gage Eads
2020-09-01 19:15 ` [PATCH v3 04/19] dlb2: add device ioctl layer and first three ioctls Gage Eads
2020-09-01 19:15 ` [PATCH v3 05/19] dlb2: add sched domain config and reset support Gage Eads
2020-09-01 19:15 ` [PATCH v3 06/19] dlb2: add runtime power-management support Gage Eads
2020-09-01 19:15 ` [PATCH v3 07/19] dlb2: add queue create and queue-depth-get ioctls Gage Eads
2020-09-01 19:15 ` [PATCH v3 08/19] dlb2: add ioctl to configure ports, query poll mode Gage Eads
2020-09-01 19:15 ` [PATCH v3 09/19] dlb2: add port mmap support Gage Eads
2020-09-01 19:15 ` [PATCH v3 10/19] dlb2: add start domain ioctl Gage Eads
2020-09-01 19:15 ` [PATCH v3 11/19] dlb2: add queue map and unmap ioctls Gage Eads
2020-09-01 19:15 ` [PATCH v3 12/19] dlb2: add port enable/disable ioctls Gage Eads
2020-09-01 19:15 ` [PATCH v3 13/19] dlb2: add CQ interrupt support Gage Eads
2020-09-01 19:15 ` [PATCH v3 14/19] dlb2: add domain alert support Gage Eads
2020-09-01 19:15 ` [PATCH v3 15/19] dlb2: add sequence-number management ioctls Gage Eads
2020-09-01 19:15 ` [PATCH v3 16/19] dlb2: add cos bandwidth get/set ioctls Gage Eads
2020-09-01 19:15 ` [PATCH v3 17/19] dlb2: add device FLR support Gage Eads
2020-09-01 19:15 ` [PATCH v3 18/19] dlb2: add basic PF sysfs interfaces Gage Eads
2020-09-01 19:15 ` [PATCH v3 19/19] dlb2: add ingress error handling Gage Eads

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