On 25 October 2014 09:24, john.liuli john.li...@huawei.com wrote:
To get the interrupt reason to support such VIRTIO_NET_F_STATUS
features I add a new register offset VIRTIO_MMIO_ISRMEM which
will help to establish a shared memory region between qemu and
virtio-mmio device. Then the interrupt
On Mon, Oct 27, 2014 at 05:19:23PM +0800, Li Liu wrote:
On 2014/10/26 19:52, Michael S. Tsirkin wrote:
On Sat, Oct 25, 2014 at 04:24:52PM +0800, john.liuli wrote:
From: Li Liu john.li...@huawei.com
This set of patches try to implemet irqfd support of vhost-net
based on virtio-mmio.
On Sat, 2014-10-25 at 00:04 +0200, Peter Zijlstra wrote:
On Fri, Oct 24, 2014 at 04:53:27PM -0400, Waiman Long wrote:
The additional register pressure may just cause a few more register moves
which should be negligible in the overall performance . The additional
icache pressure, however,
From: Li Liu john.li...@huawei.com
Add a new register offset VIRTIO_MMIO_ISRMEM which help to
estblish a shared memory region between virtio-mmio driver
and qemu with two purposes:
1.Guest virtio-mmio driver can get the interrupt reason.
2.Check irqfd enabled or not to register different irq
On 2014/10/26 19:52, Michael S. Tsirkin wrote:
On Sat, Oct 25, 2014 at 04:24:52PM +0800, john.liuli wrote:
From: Li Liu john.li...@huawei.com
This set of patches try to implemet irqfd support of vhost-net
based on virtio-mmio.
I had posted a mail to talking about the status of vhost-net
From: Li Liu john.li...@huawei.com
This set of patches try to implemet irqfd support of vhost-net
based on virtio-mmio.
I had posted a mail to talking about the status of vhost-net
on kvm-arm refer to http://www.spinics.net/lists/kvm-arm/msg10804.html.
Some dependent patches are listed in the
From: Li Liu john.li...@huawei.com
This irq handler will get the interrupt reason from a
shared memory. And will be assigned only while irqfd
enabled.
Signed-off-by: Li Liu john.li...@huawei.com
---
drivers/virtio/virtio_mmio.c | 34 --
1 file changed, 32
On 2014/10/26 19:56, Michael S. Tsirkin wrote:
On Sat, Oct 25, 2014 at 04:24:54PM +0800, john.liuli wrote:
From: Li Liu john.li...@huawei.com
This irq handler will get the interrupt reason from a
shared memory. And will be assigned only while irqfd
enabled.
Signed-off-by: Li Liu
On 2014/10/27 17:37, Peter Maydell wrote:
On 25 October 2014 09:24, john.liuli john.li...@huawei.com wrote:
To get the interrupt reason to support such VIRTIO_NET_F_STATUS
features I add a new register offset VIRTIO_MMIO_ISRMEM which
will help to establish a shared memory region between qemu
On 10/24/2014 06:04 PM, Peter Zijlstra wrote:
On Fri, Oct 24, 2014 at 04:53:27PM -0400, Waiman Long wrote:
The additional register pressure may just cause a few more register moves
which should be negligible in the overall performance . The additional
icache pressure, however, may have some
On Mon, Oct 27, 2014 at 01:15:53PM -0400, Waiman Long wrote:
On 10/24/2014 06:04 PM, Peter Zijlstra wrote:
On Fri, Oct 24, 2014 at 04:53:27PM -0400, Waiman Long wrote:
The additional register pressure may just cause a few more register moves
which should be negligible in the overall
On 10/24/2014 04:54 AM, Peter Zijlstra wrote:
On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
Since enabling paravirt spinlock will disable unlock function inlining,
a jump label can be added to the unlock function without adding patch
sites all over the kernel.
But you don't
On 10/24/2014 04:57 AM, Peter Zijlstra wrote:
On Thu, Oct 16, 2014 at 02:10:29PM -0400, Waiman Long wrote:
v11-v12:
- Based on PeterZ's version of the qspinlock patch
(https://lkml.org/lkml/2014/6/15/63).
- Incorporated many of the review comments from Konrad Wilk and
Paolo Bonzini.
On Mon, Oct 27, 2014 at 01:38:20PM -0400, Waiman Long wrote:
On 10/24/2014 04:54 AM, Peter Zijlstra wrote:
On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
Since enabling paravirt spinlock will disable unlock function inlining,
a jump label can be added to the unlock function
On Mon, Oct 27, 2014 at 01:38:20PM -0400, Waiman Long wrote:
On 10/24/2014 04:54 AM, Peter Zijlstra wrote:
On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
Since enabling paravirt spinlock will disable unlock function inlining,
a jump label can be added to the unlock function
On 10/27/2014 01:27 PM, Peter Zijlstra wrote:
On Mon, Oct 27, 2014 at 01:15:53PM -0400, Waiman Long wrote:
On 10/24/2014 06:04 PM, Peter Zijlstra wrote:
On Fri, Oct 24, 2014 at 04:53:27PM -0400, Waiman Long wrote:
The additional register pressure may just cause a few more register moves
which
On 10/27/2014 02:02 PM, Konrad Rzeszutek Wilk wrote:
On Mon, Oct 27, 2014 at 01:38:20PM -0400, Waiman Long wrote:
On 10/24/2014 04:54 AM, Peter Zijlstra wrote:
On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
Since enabling paravirt spinlock will disable unlock function inlining,
On 10/27/2014 02:04 PM, Peter Zijlstra wrote:
On Mon, Oct 27, 2014 at 01:38:20PM -0400, Waiman Long wrote:
On 10/24/2014 04:54 AM, Peter Zijlstra wrote:
On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote:
Since enabling paravirt spinlock will disable unlock function inlining,
a jump
Michael S. Tsirkin m...@redhat.com writes:
Too many places poke at [rs]q-vq-vdev-priv just to get
the the vi structure. Let's just pass the pointer around: seems
cleaner, and might even be faster.
Agreed, it's neater.
Acked-by: Rusty Russell ru...@rustcorp.com.au
Thanks,
Rusty.
Ming Lei tom.leim...@gmail.com writes:
On Fri, Oct 24, 2014 at 12:12 AM, Michael S. Tsirkin m...@redhat.com wrote:
If a device appears while module is being removed,
driver will get a callback after we've given up
on the major number.
In theory this means this major number can get reused
by
Michael S. Tsirkin m...@redhat.com writes:
virtio 1.0 doesn't use virtio_net_hdr anymore, and in fact, it's not
really useful since virtio_net_hdr_mrg_rxbuf includes that as the first
field anyway.
Let's drop it, precalculate header len and store within vi instead.
This way we can also
Michael S. Tsirkin m...@redhat.com writes:
With VERSION_1 virtio_net uses same header size
whether mergeable buffers are enabled or not.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
These two are great too, thanks:
Acked-by: Rusty Russell ru...@rustcorp.com.au
Cheers,
Rusty.
---
On Fri, Oct 24, 2014 at 10:38:39AM +0200, Cornelia Huck wrote:
On Fri, 24 Oct 2014 00:42:20 +0300
Michael S. Tsirkin m...@redhat.com wrote:
On Tue, Oct 07, 2014 at 04:39:56PM +0200, Cornelia Huck wrote:
This patchset aims to get us some way to implement virtio-1 compliant
and
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