在 2023/4/10 10:14, Jason Wang 写道:
On Wed, Apr 5, 2023 at 7:38 PM Eugenio Perez Martin wrote:
Hi!
As mentioned in the last upstream virtio-networking meeting, one of
the factors that adds more downtime to migration is the handling of
the guest memory (pin, map, etc). At this moment this
在 2023/2/28 19:20, Longpeng (Mike, Cloud Infrastructure Service Product
Dept.) 写道:
在 2023/2/28 18:17, Michael S. Tsirkin 写道:
On Tue, Feb 28, 2023 at 05:39:35PM +0800, Longpeng(Mike) wrote:
From: Longpeng
The kvm_irqchip_commit_routes() is a time-intensive operation, it needs
scan and
在 2023/2/28 18:18, Michael S. Tsirkin 写道:
On Tue, Feb 28, 2023 at 05:39:35PM +0800, Longpeng(Mike) wrote:
From: Longpeng
The kvm_irqchip_commit_routes() is a time-intensive operation, it needs
scan and update all irqfds that are already assigned during each invocation,
so more vectors
在 2023/2/28 18:17, Michael S. Tsirkin 写道:
On Tue, Feb 28, 2023 at 05:39:35PM +0800, Longpeng(Mike) wrote:
From: Longpeng
The kvm_irqchip_commit_routes() is a time-intensive operation, it needs
scan and update all irqfds that are already assigned during each invocation,
so more vectors
在 2023/2/28 18:40, Michael S. Tsirkin 写道:
On Tue, Feb 28, 2023 at 05:39:37PM +0800, Longpeng(Mike) wrote:
From: Longpeng
All unmasked vectors will be setup in msix_set_vector_notifiers(), which
is a time-consuming operation because each vector need to be submit to
KVM once. It's even worse
在 2022/12/28 21:12, Philippe Mathieu-Daudé 写道:
On 27/12/22 18:54, Michael S. Tsirkin wrote:
On Tue, Dec 27, 2022 at 05:43:57PM +0100, Philippe Mathieu-Daudé wrote:
On 27/12/22 08:20, Longpeng(Mike) wrote:
From: Longpeng
This allows the vhost device to batch the setup of all its host
在 2022/12/20 14:15, Michael S. Tsirkin 写道:
On Tue, Dec 20, 2022 at 08:02:51AM +0800, Longpeng (Mike, Cloud Infrastructure
Service Product Dept.) wrote:
在 2022/12/20 5:37, Michael S. Tsirkin 写道:
On Fri, Dec 16, 2022 at 11:33:49AM +0800, Jason Wang wrote:
On Thu, Dec 15, 2022 at 9:50 PM
在 2022/12/20 5:37, Michael S. Tsirkin 写道:
On Fri, Dec 16, 2022 at 11:33:49AM +0800, Jason Wang wrote:
On Thu, Dec 15, 2022 at 9:50 PM Longpeng(Mike) wrote:
From: Longpeng
Signed-off-by: Longpeng
---
.../devices/vhost-vdpa-generic-device.rst | 68 +++
1 file
在 2022/12/13 22:35, Stefano Garzarella 写道:
On Mon, Dec 05, 2022 at 04:49:43PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Signed-off-by: Longpeng
---
.../devices/vhost-vdpa-generic-device.rst | 66 +++
1 file changed, 66 insertions(+)
create mode 100644
在 2022/12/6 18:45, Philippe Mathieu-Daudé 写道:
On 6/12/22 11:28, Longpeng (Mike, Cloud Infrastructure Service Product
Dept.) wrote:
在 2022/12/6 17:07, Philippe Mathieu-Daudé 写道:
On 6/12/22 09:18, Longpeng(Mike) via wrote:
From: Longpeng
This allows the vhost device to batch the setup of
在 2022/12/6 17:07, Philippe Mathieu-Daudé 写道:
On 6/12/22 09:18, Longpeng(Mike) via wrote:
From: Longpeng
This allows the vhost device to batch the setup of all its host
notifiers.
This significantly reduces the device starting time, e.g. the time spend
on enabling notifiers reduce from
在 2022/12/6 16:30, Philippe Mathieu-Daudé 写道:
On 6/12/22 09:18, Longpeng(Mike) via wrote:
From: Longpeng
This allows the vhost-vdpa device to batch the setup of all its MRs of
host notifiers.
This significantly reduces the device starting time, e.g. the time spend
on setup the host
在 2022/11/21 12:01, Jason Wang 写道:
On Fri, Nov 18, 2022 at 10:49 PM Longpeng(Mike) wrote:
From: Longpeng
This allows the vhost device to batch the setup of all its host notifiers.
This significantly reduces the device starting time, e.g. the vhost-vDPA
generic device [1] start time
在 2022/11/8 16:42, Stefano Garzarella 写道:
On Tue, Nov 08, 2022 at 11:30:53AM +0800, Longpeng (Mike, Cloud
Infrastructure Service Product Dept.) wrote:
在 2022/11/8 10:42, Jason Wang 写道:
On Tue, Nov 8, 2022 at 8:42 AM Longpeng(Mike)
wrote:
From: Longpeng
Signed-off-by: Longpeng
---
在 2022/11/8 16:46, Stefano Garzarella 写道:
On Tue, Nov 08, 2022 at 08:41:56AM +0800, Longpeng(Mike) wrote:
From: Longpeng
The generic vDPA device doesn't support migration currently, so
mark it as unmigratable temporarily.
Signed-off-by: Longpeng
---
hw/virtio/vdpa-dev.c | 1 +
1 file
在 2022/11/8 10:42, Jason Wang 写道:
On Tue, Nov 8, 2022 at 8:42 AM Longpeng(Mike) wrote:
From: Longpeng
Signed-off-by: Longpeng
---
docs/system/devices/vhost-vdpa-device.rst | 43 +++
1 file changed, 43 insertions(+)
create mode 100644
在 2022/11/6 21:47, Michael S. Tsirkin 写道:
On Sun, Nov 06, 2022 at 09:11:39PM +0800, Longpeng (Mike, Cloud Infrastructure
Service Product Dept.) wrote:
在 2022/11/6 13:22, Michael S. Tsirkin 写道:
On Sun, Nov 06, 2022 at 08:17:07AM +0800, Longpeng (Mike, Cloud Infrastructure
Service Product
在 2022/11/6 13:22, Michael S. Tsirkin 写道:
On Sun, Nov 06, 2022 at 08:17:07AM +0800, Longpeng (Mike, Cloud Infrastructure
Service Product Dept.) wrote:
在 2022/11/6 0:43, Michael S. Tsirkin 写道:
On Sat, Nov 05, 2022 at 04:36:25PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Hi guys,
With
在 2022/11/6 0:43, Michael S. Tsirkin 写道:
On Sat, Nov 05, 2022 at 04:36:25PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Hi guys,
With the generic vDPA device, QEMU won't need to touch the device
types any more, such like vfio.
With this kind of passthrough migration is completely MIA
在 2022/6/9 7:10, Michael S. Tsirkin 写道:
On Sat, May 14, 2022 at 12:11:07PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Supports vdpa-dev-pci, we can use the device as follow:
-device vhost-vdpa-device-pci,vhostdev=/dev/vhost-vdpa-X
Reviewed-by: Stefano Garzarella
Signed-off-by: Longpeng
在 2022/5/31 16:50, Jason Wang 写道:
On Mon, May 30, 2022 at 12:16 PM Longpeng (Mike, Cloud Infrastructure
Service Product Dept.) wrote:
Hi guys,
Ping...Any other comments?
Looks good to me.
Acked-by: Jason Wang
(This probably requires a rebase since it doesn't apply cleanly on master).
Hi guys,
Ping...Any other comments?
在 2022/5/14 12:11, Longpeng(Mike) 写道:
From: Longpeng
Hi guys,
With the generic vDPA device, QEMU won't need to touch the device
types any more, such like vfio.
We can use the generic vDPA device as follow:
-device
在 2022/5/12 14:56, Michael S. Tsirkin 写道:
On Thu, May 12, 2022 at 02:21:01PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Add helpers to get the "Transitional PCI Device ID" and "class_id"
of the device specified by the "Virtio Device ID".
These helpers will be used to build the generic
在 2022/5/12 22:36, Stefano Garzarella 写道:
On Thu, May 12, 2022 at 02:21:02PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Supports vdpa-dev, we can use the deivce directly:
-M microvm -m 512m -smp 2 -kernel ... -initrd ... -device \
vhost-vdpa-device,vhostdev=/dev/vhost-vdpa-x
在 2022/5/11 16:55, Jason Wang 写道:
On Wed, May 11, 2022 at 2:10 PM Longpeng (Mike, Cloud Infrastructure
Service Product Dept.) wrote:
在 2022/5/11 10:56, Jason Wang 写道:
On Tue, May 10, 2022 at 8:59 PM Longpeng(Mike) wrote:
From: Longpeng
Supports vdpa-dev.
Signed-off-by: Longpeng
在 2022/5/11 10:56, Jason Wang 写道:
On Tue, May 10, 2022 at 8:59 PM Longpeng(Mike) wrote:
From: Longpeng
Supports vdpa-dev.
Signed-off-by: Longpeng
---
hw/virtio/Kconfig| 5 +
hw/virtio/meson.build| 1 +
hw/virtio/vdpa-dev.c | 385
Hi Stefan,
在 2022/5/5 18:09, Stefan Hajnoczi 写道:
On Tue, May 03, 2022 at 09:43:15AM +0200, Lukáš Doktor wrote:
Hello Mike, Paolo, others,
in my perf pipeline I noticed a regression bisected to the
f9fc8932b11f3bcf2a2626f567cb6fdd36a33a94 - "thread-posix: remove the posix semaphore
support"
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 28, 2022 11:12 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei (Arei)
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 28, 2022 11:00 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: Stefan Hajnoczi ; Michael Tsirkin ;
> Cornelia Huck ; Paolo Bonzini ;
> Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 28, 2022 11:00 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: Stefan Hajnoczi ; Michael Tsirkin ;
> Cornelia Huck ; Paolo Bonzini ;
> Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Tuesday, March 8, 2022 4:41 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 7, 2022 8:14 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 7, 2022 4:24 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 7, 2022 5:13 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Monday, March 7, 2022 4:10 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei (Arei) ;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Wednesday, January 19, 2022 7:36 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Wednesday, January 19, 2022 7:31 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com; Gonglei
Hi Stefano,
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Wednesday, January 19, 2022 7:24 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; coh...@redhat.com;
> pbonz...@redhat.com;
> -Original Message-
> From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
> Bonzini
> Sent: Wednesday, February 23, 2022 4:36 PM
> To: qemu-devel@nongnu.org
> Cc: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Subject: [PATCH] thread-posix:
> -Original Message-
> From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
> Bonzini
> Sent: Monday, February 21, 2022 7:31 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> ; berra...@redhat.com; m...@redhat.com
> Cc: qemu-devel@nongnu.org;
Hi Daniel,
> -Original Message-
> From: Daniel P. Berrangé [mailto:berra...@redhat.com]
> Sent: Monday, February 21, 2022 7:12 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: pbonz...@redhat.com; m...@redhat.com; qemu-devel@nongnu.org; Gonglei
> (Arei)
>
>
> -Original Message-
> From: Paolo Bonzini [mailto:paolo.bonz...@gmail.com] On Behalf Of Paolo
> Bonzini
> Sent: Monday, February 21, 2022 7:42 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> ; berra...@redhat.com; m...@redhat.com
> Cc: qemu-devel@nongnu.org;
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Thursday, January 6, 2022 7:34 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: m...@redhat.com; jasow...@redhat.com; sgarz...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Michael S. Tsirkin [mailto:m...@redhat.com]
> Sent: Monday, January 10, 2022 1:43 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; jasow...@redhat.com; sgarz...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Wednesday, January 5, 2022 2:15 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: Stefan Hajnoczi ; mst ; Stefano
> Garzarella ; Cornelia Huck ; pbonzini
> ; Gonglei (Arei) ; Yechuan
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Thursday, January 6, 2022 10:34 AM
> To: Michael S. Tsirkin
> Cc: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> ; Stefan Hajnoczi ; Stefano
> Garzarella ; Cornelia Huck ; pbonzini
> ; Gonglei
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Wednesday, January 5, 2022 7:16 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; jasow...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Wednesday, January 5, 2022 6:18 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: m...@redhat.com; jasow...@redhat.com; sgarz...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Wednesday, January 5, 2022 7:29 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: stefa...@redhat.com; m...@redhat.com; jasow...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Wednesday, January 5, 2022 6:01 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: m...@redhat.com; jasow...@redhat.com; sgarz...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Cornelia Huck [mailto:coh...@redhat.com]
> Sent: Wednesday, January 5, 2022 6:46 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> ; stefa...@redhat.com; m...@redhat.com;
> jasow...@redhat.com; sgarz...@redhat.com
> Cc:
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Wednesday, January 5, 2022 5:49 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: m...@redhat.com; jasow...@redhat.com; sgarz...@redhat.com;
> coh...@redhat.com;
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Wednesday, January 5, 2022 3:54 PM
> To: Michael S. Tsirkin
> Cc: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> ; Stefan Hajnoczi ; Stefano
> Garzarella ; Cornelia Huck ; pbonzini
> ; Gonglei
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Wednesday, January 5, 2022 12:36 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: Stefan Hajnoczi ; mst ; Stefano
> Garzarella ; Cornelia Huck ; pbonzini
> ; Gonglei (Arei) ; Yechuan
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Wednesday, January 5, 2022 12:38 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: Stefan Hajnoczi ; mst ; Stefano
> Garzarella ; Cornelia Huck ; pbonzini
> ; Gonglei (Arei) ; Yechuan
Hi guys,
Ping...
> -Original Message-
> From: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
> Sent: Saturday, December 11, 2021 10:27 PM
> To: pbonz...@redhat.com; alex.william...@redhat.com; m...@redhat.com;
> mtosa...@redhat.com
> Cc: k...@vger.kernel.org;
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Monday, December 20, 2021 4:11 PM
> To: Jason Wang
> Cc: Michael S. Tsirkin ; Longpeng (Mike, Cloud Infrastructure
> Service Product Dept.) ; pa...@nvidia.com;
> xieyon...@bytedance.com;
> -Original Message-
> From: Qemu-devel [mailto:qemu-devel-bounces+longpeng2=huawei@nongnu.org]
> On Behalf Of Stefan Hajnoczi
> Sent: Monday, December 13, 2021 11:16 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: m...@redhat.com; jasow...@redhat.com;
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Monday, December 13, 2021 11:23 AM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: mst ; Parav Pandit ; Yongji Xie
> ; Stefan Hajnoczi ; Stefano
> Garzarella ; Yechuan ; Gonglei (Arei)
> -Original Message-
> From: Jason Wang [mailto:jasow...@redhat.com]
> Sent: Wednesday, December 8, 2021 2:27 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: mst ; Parav Pandit ; Yongji Xie
> ; Stefan Hajnoczi ; Stefano
> Garzarella ; Yechuan ; Gonglei
> -Original Message-
> From: Stefano Garzarella [mailto:sgarz...@redhat.com]
> Sent: Thursday, December 9, 2021 11:55 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: Stefan Hajnoczi ; jasow...@redhat.com;
> m...@redhat.com;
> pa...@nvidia.com;
> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Thursday, December 9, 2021 5:17 PM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: jasow...@redhat.com; m...@redhat.com; pa...@nvidia.com;
> xieyon...@bytedance.com;
> -Original Message-
> From: Michael S. Tsirkin [mailto:m...@redhat.com]
> Sent: Thursday, December 9, 2021 3:05 AM
> To: Longpeng (Mike, Cloud Infrastructure Service Product Dept.)
>
> Cc: jasow...@redhat.com; pa...@nvidia.com; xieyon...@bytedance.com;
> stefa...@redhat.com;
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