From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Juergen Gross <jgross@suse.com>,
xen-devel@lists.xensource.com, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org, david.vrabel@citrix.com,
boris.ostrovsky@oracle.com
Subject: Re: [Patch V4 1/3] usb: Add Xen pvUSB protocol description
Date: Fri, 24 Jul 2015 00:29:03 +0300 [thread overview]
Message-ID: <20150723212903.GA21789@reaktio.net> (raw)
In-Reply-To: <20150723190801.GC11060@kroah.com>
On Thu, Jul 23, 2015 at 12:08:01PM -0700, Greg KH wrote:
>
> Somewhere that people can refer to that describes this public-facing API
> that "must not ever be broken or changed". If you want to put it in a
> documentation file, or a .h file, I don't care.
>
> > >>It is used e.g. in SUSE's xen kernel since 2.6.18.
> > >
> > >I am very aware of the amount of Xen crap in SuSE's kernel, don't use
> > >that as an excuse for me to merge it to mainline :)
> >
> > :-)
> >
> > Wasn't meant as an excuse, just a hint why the interface can't be the
> > same as for usbip. We have to ensure compatibility with those kernels
>
> This shouldn't be a kernel/kernel compability issue, as the api talks
> between Xen and the OS, not between different OSs, right?
>
> > and possibly other operating systems (BSD?, Windows?) which already
> > might be using pvUSB with a Dom0 based on the SUSE xen kernel.
>
> Are there other operating system drivers today that use this API? Is
> this an API in the Xen core today that we have to support?
>
> Some more background / descriptions would be nice to have.
>
For example Xen "GPLPV" drivers for Windows do have PVUSB frontend driver..
-- Pasi
> thanks,
>
> greg k-h
>
next prev parent reply other threads:[~2015-07-23 21:29 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-23 6:53 [Patch V4 0/3] xen, usb: support pvUSB frontend driver Juergen Gross
[not found] ` <1435042405-14235-1-git-send-email-jgross-IBi9RG/b67k@public.gmane.org>
2015-06-23 6:53 ` [Patch V4 1/3] usb: Add Xen pvUSB protocol description Juergen Gross
2015-07-22 23:46 ` Greg KH
2015-07-23 4:04 ` Juergen Gross
[not found] ` <55B067D7.3030904-IBi9RG/b67k@public.gmane.org>
2015-07-23 4:36 ` Greg KH
[not found] ` <20150723043653.GA31524-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2015-07-23 6:46 ` Juergen Gross
[not found] ` <55B08DB9.60902-IBi9RG/b67k@public.gmane.org>
2015-07-23 9:38 ` [Xen-devel] " David Vrabel
2015-07-23 19:08 ` Greg KH
2015-07-23 21:29 ` Pasi Kärkkäinen [this message]
2015-07-24 3:51 ` Juergen Gross
[not found] ` <55B1B628.7090200-IBi9RG/b67k@public.gmane.org>
2015-07-24 18:57 ` Greg KH
2015-07-24 19:25 ` Konrad Rzeszutek Wilk
[not found] ` <1435042405-14235-2-git-send-email-jgross-IBi9RG/b67k@public.gmane.org>
2015-07-23 9:39 ` [Xen-devel] " David Vrabel
2015-06-23 6:53 ` [Patch V4 2/3] usb: Introduce Xen pvUSB frontend (xen hcd) Juergen Gross
[not found] ` <1435042405-14235-3-git-send-email-jgross-IBi9RG/b67k@public.gmane.org>
2015-07-23 9:47 ` David Vrabel
2015-06-23 6:53 ` [Patch V4 3/3] xen: add Xen pvUSB maintainer Juergen Gross
2015-07-20 5:13 ` [Patch V4 0/3] xen, usb: support pvUSB frontend driver Juergen Gross
2016-03-17 19:43 ` Oleksandr Tyshchenko
[not found] ` <CAJEb2DHesrZn0H=d4KVn6sbyXFA8ykdUFMftyAZqbwSKk_JKKQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-18 8:32 ` [Xen-devel] " Juergen Gross
2016-03-18 12:28 ` Oleksandr Tyshchenko
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