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From: Anthony Liguori <aliguori@us.ibm.com>
To: Jan Kiszka <jan.kiszka@siemens.com>, Avi Kivity <avi@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
	"qemu-devel\@nongnu.org" <qemu-devel@nongnu.org>,
	"kvm\@vger.kernel.org" <kvm@vger.kernel.org>,
	"aik\@ozlabs.ru" <aik@ozlabs.ru>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Cole Robinson <crobinso@redhat.com>, Alex Graf <agraf@suse.de>
Subject: Re: [PATCH 0/3] VFIO-based PCI device assignment for QEMU 1.2
Date: Mon, 13 Aug 2012 14:31:13 -0500	[thread overview]
Message-ID: <87393qmvwe.fsf@codemonkey.ws> (raw)
In-Reply-To: <5029097B.8050706@siemens.com>

Jan Kiszka <jan.kiszka@siemens.com> writes:

> On 2012-08-13 15:58, Avi Kivity wrote:
>> On 08/13/2012 04:27 PM, Anthony Liguori wrote:
>> 
>>> Thanks for pushing this forward!  Hopefully this will finally kill off
>>> qemu-kvm.git for good.
>> 
>> No, it won't.  vfio requires a 3.6 kernel, which we cannot assume anyone
>> has.  We'll need the original device assignment code side-by-side.
>
> ...which is on my to-do list for 1.3.

Is there a deprecation plan for the old device assignment code?

I'm not really against the idea of requiring a new kernel for new
features.

>From a Fedora/OpenSUSE point of view, would supporting old kernels be a
requirement to stop shipping qemu-kvm.git over qemu.git?

Since distros ship new kernels and new userspaces, I don't think distros
would care so I'm not sure who we're trying to support old kernels for.

Regards,

Anthony Liguori

>
> Jan
>
> -- 
> Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
> Corporate Competence Center Embedded Linux
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


WARNING: multiple messages have this Message-ID (diff)
From: Anthony Liguori <aliguori@us.ibm.com>
To: Jan Kiszka <jan.kiszka@siemens.com>, Avi Kivity <avi@redhat.com>
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"aik@ozlabs.ru" <aik@ozlabs.ru>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Alex Graf <agraf@suse.de>,
	Alex Williamson <alex.williamson@redhat.com>,
	Cole Robinson <crobinso@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 0/3] VFIO-based PCI device assignment for QEMU 1.2
Date: Mon, 13 Aug 2012 14:31:13 -0500	[thread overview]
Message-ID: <87393qmvwe.fsf@codemonkey.ws> (raw)
In-Reply-To: <5029097B.8050706@siemens.com>

Jan Kiszka <jan.kiszka@siemens.com> writes:

> On 2012-08-13 15:58, Avi Kivity wrote:
>> On 08/13/2012 04:27 PM, Anthony Liguori wrote:
>> 
>>> Thanks for pushing this forward!  Hopefully this will finally kill off
>>> qemu-kvm.git for good.
>> 
>> No, it won't.  vfio requires a 3.6 kernel, which we cannot assume anyone
>> has.  We'll need the original device assignment code side-by-side.
>
> ...which is on my to-do list for 1.3.

Is there a deprecation plan for the old device assignment code?

I'm not really against the idea of requiring a new kernel for new
features.

>From a Fedora/OpenSUSE point of view, would supporting old kernels be a
requirement to stop shipping qemu-kvm.git over qemu.git?

Since distros ship new kernels and new userspaces, I don't think distros
would care so I'm not sure who we're trying to support old kernels for.

Regards,

Anthony Liguori

>
> Jan
>
> -- 
> Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
> Corporate Competence Center Embedded Linux
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

  reply	other threads:[~2012-08-13 19:32 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-01  5:18 [PATCH 0/3] VFIO-based PCI device assignment for QEMU 1.2 Alex Williamson
2012-08-01  5:18 ` [Qemu-devel] " Alex Williamson
2012-08-01  5:18 ` [PATCH 1/3] vfio: Import vfio kernel header Alex Williamson
2012-08-01  5:18   ` [Qemu-devel] " Alex Williamson
2012-08-01  7:13   ` Jan Kiszka
2012-08-01  7:13     ` [Qemu-devel] " Jan Kiszka
2012-08-01 18:09     ` Alex Williamson
2012-08-01 18:09       ` [Qemu-devel] " Alex Williamson
2012-08-02  9:02       ` Jan Kiszka
2012-08-02  9:02         ` [Qemu-devel] " Jan Kiszka
2012-08-02 16:37         ` Alex Williamson
2012-08-02 16:37           ` [Qemu-devel] " Alex Williamson
2012-08-02 16:45           ` Jan Kiszka
2012-08-02 16:45             ` [Qemu-devel] " Jan Kiszka
2012-08-01  5:18 ` [PATCH 2/3] vfio: vfio-pci device assignment driver Alex Williamson
2012-08-01  5:18   ` [Qemu-devel] " Alex Williamson
2012-08-13 22:18   ` Anthony Liguori
2012-08-13 22:18     ` [Qemu-devel] " Anthony Liguori
2012-08-14  5:25     ` Alex Williamson
2012-08-14  5:25       ` [Qemu-devel] " Alex Williamson
2012-08-14  7:12   ` Stefan Hajnoczi
2012-08-14  7:12     ` [Qemu-devel] " Stefan Hajnoczi
2012-08-14 13:51     ` Alex Williamson
2012-08-14 13:51       ` [Qemu-devel] " Alex Williamson
2012-08-14 15:53   ` Avi Kivity
2012-08-14 15:53     ` [Qemu-devel] " Avi Kivity
2012-08-14 17:23     ` Alex Williamson
2012-08-14 17:23       ` [Qemu-devel] " Alex Williamson
2012-08-15  8:56       ` Avi Kivity
2012-08-15  8:56         ` [Qemu-devel] " Avi Kivity
2012-08-01  5:18 ` [PATCH 3/3] vfio: Enable vfio-pci and mark supported Alex Williamson
2012-08-01  5:18   ` [Qemu-devel] " Alex Williamson
2012-08-01  7:15   ` Jan Kiszka
2012-08-01  7:15     ` [Qemu-devel] " Jan Kiszka
2012-08-01 18:14     ` Alex Williamson
2012-08-01 18:14       ` [Qemu-devel] " Alex Williamson
2012-08-01 19:40       ` Alex Williamson
2012-08-01 19:40         ` [Qemu-devel] " Alex Williamson
2012-08-02  9:03         ` Jan Kiszka
2012-08-02  9:03           ` [Qemu-devel] " Jan Kiszka
2012-08-13 22:19     ` Anthony Liguori
2012-08-13 22:19       ` [Qemu-devel] " Anthony Liguori
2012-08-14  5:27       ` Alex Williamson
2012-08-14  5:27         ` [Qemu-devel] " Alex Williamson
2012-08-14 14:35         ` Avi Kivity
2012-08-14 14:35           ` [Qemu-devel] " Avi Kivity
2012-08-13 13:27 ` [PATCH 0/3] VFIO-based PCI device assignment for QEMU 1.2 Anthony Liguori
2012-08-13 13:27   ` [Qemu-devel] " Anthony Liguori
2012-08-13 13:58   ` Avi Kivity
2012-08-13 13:58     ` [Qemu-devel] " Avi Kivity
2012-08-13 14:04     ` Jan Kiszka
2012-08-13 14:04       ` [Qemu-devel] " Jan Kiszka
2012-08-13 19:31       ` Anthony Liguori [this message]
2012-08-13 19:31         ` Anthony Liguori
2012-08-14  7:19         ` Jan Kiszka
2012-08-14  7:19           ` [Qemu-devel] " Jan Kiszka
2012-08-14 14:42         ` Avi Kivity
2012-08-14 14:42           ` [Qemu-devel] " Avi Kivity
2012-08-14 14:53         ` Cole Robinson
2012-08-14 14:53           ` [Qemu-devel] " Cole Robinson
2012-08-14 15:04           ` Jan Kiszka
2012-08-14 15:04             ` [Qemu-devel] " Jan Kiszka
2012-08-14 15:28             ` Cole Robinson
2012-08-14 15:28               ` [Qemu-devel] " Cole Robinson
2012-08-13 14:23   ` Alex Williamson
2012-08-13 14:23     ` [Qemu-devel] " Alex Williamson
2012-08-13 15:48     ` Andreas Hartmann
2012-08-13 15:48       ` [Qemu-devel] " Andreas Hartmann
2012-08-13 16:14       ` Alex Williamson
2012-08-13 16:14         ` [Qemu-devel] " Alex Williamson
2012-08-13 16:36         ` Andreas Hartmann
2012-08-13 16:36           ` [Qemu-devel] " Andreas Hartmann
2012-08-13 16:57           ` Alex Williamson
2012-08-13 16:57             ` [Qemu-devel] " Alex Williamson
2012-08-13 18:32             ` Andreas Hartmann
2012-08-13 18:32               ` [Qemu-devel] " Andreas Hartmann
2012-08-13 19:33     ` Anthony Liguori
2012-08-13 19:33       ` [Qemu-devel] " Anthony Liguori
2012-08-13 20:48       ` Blue Swirl
2012-08-13 20:48         ` [Qemu-devel] " Blue Swirl
2012-08-13 20:56         ` Alex Williamson
2012-08-13 20:56           ` [Qemu-devel] " Alex Williamson
2012-08-13 20:55       ` VFIO: Call for reviewers (was Re: [PATCH 0/3] VFIO-based PCI device assignment for QEMU 1.2) Alex Williamson
2012-08-13 20:55         ` [Qemu-devel] " Alex Williamson

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