linux-kernel - Re: [PATCH] Generic WorkQueue Engine (GenWQE) device driver (v4)

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Date:	Mon, 04 Nov 2013 17:20:34 +0100
From:	Frank Haverkamp <haver@...ux.vnet.ibm.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, arnd@...db.de,
	cody@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
	utz.bacher@...ibm.com, mmarek@...e.cz, rmallon@...il.com,
	jsvogt@...ibm.com, MIJUNG@...ibm.com, cascardo@...ux.vnet.ibm.com,
	michael@...ra.de, Frank Haverkamp <haver@...t.ibm.com>
Subject: Re: [PATCH] Generic WorkQueue Engine (GenWQE) device driver (v4)

Hi Greg,

Am Mittwoch, den 30.10.2013, 10:36 -0700 schrieb Greg KH:
> On Wed, Oct 30, 2013 at 10:32:58AM +0100, Frank Haverkamp wrote:
> > +/*
> > + * Module initialization and PCIe setup. Card health monitoring and
> > + * recovery functionality. Character device creation and deletion are
> > + * controlled from here.
> > + *
> > + * Please use the new sysfs interfaces to enable the VFs after PF
> > + * driver loading.
> > + *
> > + * Enable VFs:
> > + *   sudo sh -c 'echo 15 > /sys/bus/pci/devices/0000\:1b\:00.0/sriov_numvfs'
> > + * or
> > + *   sudo sh -c 'echo 15 > /sys/class/genwqe/genwqe0_card/device/sriov_numvfs'
> > + * Disable VFs:
> > + *   Write a 0 into the same sysfs entries.
> > + */
> 
> Put this documentation somewhere a user has a _chance_ of reading it.
> Digging it out of code comments is not ok.  Why isn't this in the ABI
> file for the sysfs files?
> 
> thanks,
> 
> greg k-h
> 

True. There was other stuff I moved/deleted now too.

Regards

Frank



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