Marc Zyngier marc.zyng...@arm.com writes:
On 14/10/13 09:21, Rusty Russell wrote:
Marc Zyngier marc.zyng...@arm.com writes:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports
On Tue, Oct 15, 2013 at 09:53:17AM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
On Mon, Oct 14, 2013 at 06:50:48PM +0200, Paolo Bonzini wrote:
Il 14/10/2013 17:36, Marc Zyngier ha scritto:
Devices are fine in QEMU, it's only the generic parts (rings) that
On 15/10/13 07:38, Michael S. Tsirkin wrote:
On Tue, Oct 15, 2013 at 09:53:17AM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
On Mon, Oct 14, 2013 at 06:50:48PM +0200, Paolo Bonzini wrote:
Il 14/10/2013 17:36, Marc Zyngier ha scritto:
Devices are fine in QEMU, it's
Hi Michael,
On 12/10/13 19:28, Michael S. Tsirkin wrote:
On Fri, Oct 11, 2013 at 03:36:08PM +0100, Marc Zyngier wrote:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such
Marc Zyngier marc.zyng...@arm.com writes:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such madness.
This has been tested on arm64, with some fixes to KVM and a set of
On Mon, Oct 14, 2013 at 09:24:32AM +0100, Marc Zyngier wrote:
Hi Michael,
On 12/10/13 19:28, Michael S. Tsirkin wrote:
On Fri, Oct 11, 2013 at 03:36:08PM +0100, Marc Zyngier wrote:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use
On Mon, 2013-10-14 at 09:59 +0100, Michael S. Tsirkin wrote:
On Mon, Oct 14, 2013 at 09:24:32AM +0100, Marc Zyngier wrote:
Hi Michael,
On 12/10/13 19:28, Michael S. Tsirkin wrote:
On Fri, Oct 11, 2013 at 03:36:08PM +0100, Marc Zyngier wrote:
This small patch series adds just enough
On Mon, Oct 14, 2013 at 10:04:55AM +0100, Pawel Moll wrote:
On Mon, 2013-10-14 at 09:59 +0100, Michael S. Tsirkin wrote:
On Mon, Oct 14, 2013 at 09:24:32AM +0100, Marc Zyngier wrote:
Hi Michael,
On 12/10/13 19:28, Michael S. Tsirkin wrote:
On Fri, Oct 11, 2013 at 03:36:08PM +0100,
On Mon, 2013-10-14 at 11:46 +0100, Michael S. Tsirkin wrote:
What I meant is that under the proposed scheme, users with
existing v1 drivers must configure a v1 device explicitly.
According to the plan, drivers will be updated so they can
work with both v1 devices and new v2 devices.
But
On 14/10/13 09:21, Rusty Russell wrote:
Marc Zyngier marc.zyng...@arm.com writes:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such madness.
This has been tested on
On Mon, Oct 14, 2013 at 01:36:12PM +0100, Marc Zyngier wrote:
On 14/10/13 09:21, Rusty Russell wrote:
Marc Zyngier marc.zyng...@arm.com writes:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the
Il 11/10/2013 16:36, Marc Zyngier ha scritto:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such madness.
More precisely, it allows the guest drivers to pick the endianness
On 14.10.2013, at 15:03, Paolo Bonzini pbonz...@redhat.com wrote:
Il 11/10/2013 16:36, Marc Zyngier ha scritto:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such madness.
Il 14/10/2013 15:10, Alexander Graf ha scritto:
More precisely, it allows the guest drivers to pick the
endianness they prefer. Mixed-endian virtio works fine on QEMU
with e.g. a mips guest in emulation mode, because then any given
QEMU binary will always use the same endianness (e.g. big for
On 14/10/13 14:10, Alexander Graf wrote:
On 14.10.2013, at 15:03, Paolo Bonzini pbonz...@redhat.com wrote:
Il 11/10/2013 16:36, Marc Zyngier ha scritto:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
On 14.10.2013, at 15:24, Marc Zyngier marc.zyng...@arm.com wrote:
On 14/10/13 14:10, Alexander Graf wrote:
On 14.10.2013, at 15:03, Paolo Bonzini pbonz...@redhat.com wrote:
Il 11/10/2013 16:36, Marc Zyngier ha scritto:
This small patch series adds just enough kernel infrastructure and
On 14/10/13 14:39, Alexander Graf wrote:
On 14.10.2013, at 15:24, Marc Zyngier marc.zyng...@arm.com wrote:
On 14/10/13 14:10, Alexander Graf wrote:
On 14.10.2013, at 15:03, Paolo Bonzini pbonz...@redhat.com wrote:
Il 11/10/2013 16:36, Marc Zyngier ha scritto:
This small patch series
On Mon, Oct 14, 2013 at 02:49:10PM +0100, Marc Zyngier wrote:
On 14/10/13 14:39, Alexander Graf wrote:
On 14.10.2013, at 15:24, Marc Zyngier marc.zyng...@arm.com wrote:
On 14/10/13 14:10, Alexander Graf wrote:
On 14.10.2013, at 15:03, Paolo Bonzini pbonz...@redhat.com wrote:
Il
On 14/10/13 15:05, Michael S. Tsirkin wrote:
On Mon, Oct 14, 2013 at 02:49:10PM +0100, Marc Zyngier wrote:
On 14/10/13 14:39, Alexander Graf wrote:
On 14.10.2013, at 15:24, Marc Zyngier marc.zyng...@arm.com wrote:
On 14/10/13 14:10, Alexander Graf wrote:
On 14.10.2013, at 15:03, Paolo
On 14.10.2013, at 16:13, Marc Zyngier marc.zyng...@arm.com wrote:
On 14/10/13 15:05, Michael S. Tsirkin wrote:
On Mon, Oct 14, 2013 at 02:49:10PM +0100, Marc Zyngier wrote:
On 14/10/13 14:39, Alexander Graf wrote:
On 14.10.2013, at 15:24, Marc Zyngier marc.zyng...@arm.com wrote:
On
On 14/10/13 15:16, Alexander Graf wrote:
On 14.10.2013, at 16:13, Marc Zyngier marc.zyng...@arm.com wrote:
On 14/10/13 15:05, Michael S. Tsirkin wrote:
On Mon, Oct 14, 2013 at 02:49:10PM +0100, Marc Zyngier wrote:
On 14/10/13 14:39, Alexander Graf wrote:
On 14.10.2013, at 15:24, Marc
Il 14/10/2013 16:52, Marc Zyngier ha scritto:
Sure. And I imagine this traps back into the kernel to read some
register and find out what the endianness of the accessing CPU is?
Not yet. To be exact, it does the below today. But all virtio device
emulation is 100% guest endianness
On 14/10/13 15:56, Paolo Bonzini wrote:
Il 14/10/2013 16:52, Marc Zyngier ha scritto:
Sure. And I imagine this traps back into the kernel to read some
register and find out what the endianness of the accessing CPU is?
Not yet. To be exact, it does the below today. But all virtio device
Il 14/10/2013 17:12, Marc Zyngier ha scritto:
On 14/10/13 15:56, Paolo Bonzini wrote:
Il 14/10/2013 16:52, Marc Zyngier ha scritto:
Sure. And I imagine this traps back into the kernel to read some
register and find out what the endianness of the accessing CPU is?
Not yet. To be exact, it
On 14/10/13 16:22, Paolo Bonzini wrote:
Il 14/10/2013 17:12, Marc Zyngier ha scritto:
On 14/10/13 15:56, Paolo Bonzini wrote:
Il 14/10/2013 16:52, Marc Zyngier ha scritto:
Sure. And I imagine this traps back into the kernel to read some
register and find out what the endianness of the
On Mon, Oct 14, 2013 at 8:52 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 14/10/2013 17:12, Marc Zyngier ha scritto:
On 14/10/13 15:56, Paolo Bonzini wrote:
Il 14/10/2013 16:52, Marc Zyngier ha scritto:
Sure. And I imagine this traps back into the kernel to read some
register and find out
Il 14/10/2013 17:36, Marc Zyngier ha scritto:
Devices are fine in QEMU, it's only the generic parts (rings) that are
missing AFAICT.
So if I understand correctly how it works, target endianness is set at
compile time, and you have a BE specific QEMU?
Yes. Though as Alex said, this will
On Mon, Oct 14, 2013 at 06:50:48PM +0200, Paolo Bonzini wrote:
Il 14/10/2013 17:36, Marc Zyngier ha scritto:
Devices are fine in QEMU, it's only the generic parts (rings) that are
missing AFAICT.
So if I understand correctly how it works, target endianness is set at
compile time,
Marc Zyngier marc.zyng...@arm.com writes:
Hi Michael,
On 12/10/13 19:28, Michael S. Tsirkin wrote:
On Fri, Oct 11, 2013 at 03:36:08PM +0100, Marc Zyngier wrote:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host,
Pawel Moll pawel.m...@arm.com writes:
On Mon, 2013-10-14 at 11:46 +0100, Michael S. Tsirkin wrote:
What I meant is that under the proposed scheme, users with
existing v1 drivers must configure a v1 device explicitly.
According to the plan, drivers will be updated so they can
work with both
Michael S. Tsirkin m...@redhat.com writes:
On Mon, Oct 14, 2013 at 06:50:48PM +0200, Paolo Bonzini wrote:
Il 14/10/2013 17:36, Marc Zyngier ha scritto:
Devices are fine in QEMU, it's only the generic parts (rings) that are
missing AFAICT.
So if I understand correctly how it works,
On Fri, Oct 11, 2013 at 03:36:08PM +0100, Marc Zyngier wrote:
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such madness.
This has been tested on arm64, with some fixes to
This small patch series adds just enough kernel infrastructure and
fixes to allow a BE guest to use virtio-mmio on a LE host, provided
that the host actually supports such madness.
This has been tested on arm64, with some fixes to KVM and a set of
changes to kvmtool, both which I am posting
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