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SubjectRe: [PATCH] char: Add Dell Systems Management Base driver
On Tue, Jul 12, 2005 at 07:57:16PM -0500, Doug Warzecha wrote:
> On Wed, Jul 06, 2005 at 11:07:37AM -0500, Greg KH wrote:
> > On Wed, Jul 06, 2005 at 10:57:35AM -0500, Doug Warzecha wrote:
> > > On Tue, Jul 05, 2005 at 11:17:03PM -0500, Greg KH wrote:
> > > >
> > > > I'm sure I commented on this driver already, yet, I never got a
> > response
> > > > and the code is not changed. Is there some reason for this?
> > That's a
> > > > sure way to prevent your patch from ever being applied...
> > >
> > > This is the first comment on the release function. The code has been
> > > changing in response to comments from you and others. We'll continue
> > > to make changes as needed.
> >
> > You never responded to those questions though, so determining if the
> > code was changed is difficult. And I still see you using ioctls, which,
> > if I remember, was what I asked about.
> >
>
> The dcdbas driver has been shipping outside of the kernel tree for
> some time now in support of the systems listed in the source and is
> expected to support the listed systems for some time to come. The
> driver has always used ioctls for Dell systems management software to
> communicate with it.

Well, your code has always been wrong then :)

> The systems that are supported by the driver are
> older Dell PowerEdge systems which contain Dell proprietary hardware
> systems management interfaces. The latest shipping PowerEdge systems
> support the standard IPMI hardware systems management interface which
> can be accessed by the in-kernel standard IPMI driver (which uses
> ioctls). Future PowerEdge systems are expected to support the IPMI
> systems management interface as well.

Then only support the "new" interface for newer systems.

> Even though the dcdbas driver is not expected to be needed for future
> PowerEdge systems, we would like to make it easier for Dell customers
> to run Dell systems management software with the latest kernel on the
> systems supported by the dcdbas driver by making the driver available
> in the kernel tree. We would like to do that without impacting the
> existing Dell systems management software for the older systems so
> that we can focus our resources on the newer systems.
>
> Is it an absolute "must" that this driver not use ioctls?

Yes. Sorry.

thanks,

greg k-h
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