From: Konrad Rzeszutek Wilk <konrad@kernel.org>
To: Paul Durrant <paul.durrant@citrix.com>
Cc: xen-devel@lists.xen.org
Subject: Re: [PATCH 0/2] PV drivers product number registration
Date: Wed, 26 Sep 2012 08:51:48 -0400 [thread overview]
Message-ID: <20120926125148.GI7356@phenom.dumpdata.com> (raw)
In-Reply-To: <1348662212-3559-1-git-send-email-paul.durrant@citrix.com>
On Wed, Sep 26, 2012 at 01:23:30PM +0100, Paul Durrant wrote:
> PV drivers in HVM guests typically make use off an 'unplug' protocol in QEMU
> to prevent co-existence of emulated devices.
> See docs/misc/hvm-emulated-unplug.markdown for details.
>
> The register of product numbers used by the blacklisting feature of this
> protocol is currently directly in the xenstore.c source module of
> traditional QEMU. It should really be in a Xen header file to prevent
Why do we want to blacklist them? Isn't it a whitelist (as in it is
the right values?)
> duplication/conflict between QEMU versions.
>
> Moreover the linux PV-on-HVM drivers make use of product number 3 seemingly
> without ever registering that number.
>
> This patch series introduces a new header and registers product number 3
> for Linux's use. A subsequent patch to qemu-xen-unstable wll be created to
> make use of the new header.
>
> Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
>
next prev parent reply other threads:[~2012-09-26 12:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-26 12:23 [PATCH 0/2] PV drivers product number registration Paul Durrant
2012-09-26 12:23 ` [PATCH 1/2] Add a new pvdrivers header to serve as the register of product numbers Paul Durrant
2012-09-26 12:45 ` Jan Beulich
2012-09-26 13:16 ` Paul Durrant
2012-09-27 7:20 ` Jan Beulich
2012-09-27 7:44 ` Paul Durrant
2012-09-26 12:49 ` Konrad Rzeszutek Wilk
2012-09-26 13:05 ` Ian Campbell
2012-09-27 8:06 ` Jan Beulich
2012-09-28 17:41 ` Konrad Rzeszutek Wilk
2012-09-26 12:54 ` Ian Campbell
2012-09-26 13:26 ` David Vrabel
2012-09-26 12:23 ` [PATCH 2/2] Register Linux PV-on-HVM drivers product number Paul Durrant
2012-09-26 12:51 ` Konrad Rzeszutek Wilk [this message]
2012-09-26 13:08 ` [PATCH 0/2] PV drivers product number registration Ian Campbell
-- strict thread matches above, loose matches on Subject: below --
2012-09-26 13:50 Paul Durrant
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