el: random: crng reseeded on system resumption
>> > May 08 11:08:42 kernel-test-202405080702.c.ubuntu-catred.internal
>> > kernel: PM: suspend exit
>> > May 08 11:08:42 kernel-test-202405080702.c.ubuntu-catred.internal
>> > kernel: PM: suspend entry (s2idle)
>> > -- Boot 6182
S. Miller
> Cc: Stefan Hajnoczi
> Signed-off-by: Michael S. Tsirkin
> Acked-by: Arseniy Krasnov
> Tested-by: Arseniy Krasnov
>
Acked-by: Jason Wang
Thanks
On Sat, May 4, 2024 at 2:10 AM Joseph Salisbury
wrote:
>
> Hi Feng,
>
> During testing, a kernel bug was identified with the suspend/resume
> functionality on instances running in a public cloud [0]. This bug is a
> regression introduced in v6.8-rc1. After a kernel bisect, the following
>
On Wed, May 1, 2024 at 4:07 AM Michael S. Tsirkin wrote:
>
> On Tue, Apr 30, 2024 at 03:35:09PM -0400, Darius Rad wrote:
> > The transmit queue is stopped when the number of free queue entries is less
> > than 2+MAX_SKB_FRAGS, in start_xmit(). If the queue length (QUEUE_NUM_MAX)
> > is less than
On Wed, Apr 24, 2024 at 5:51 PM Michael S. Tsirkin wrote:
>
> On Wed, Apr 24, 2024 at 08:44:10AM +0800, Jason Wang wrote:
> > On Tue, Apr 23, 2024 at 4:42 PM Michael S. Tsirkin wrote:
> > >
> > > On Tue, Apr 23, 2024 at 11:09:59AM +0800, Jason Wang wrote:
> >
On Wed, Apr 24, 2024 at 11:15 AM Cindy Lu wrote:
>
> On Wed, Apr 24, 2024 at 8:44 AM Jason Wang wrote:
> >
> > On Tue, Apr 23, 2024 at 4:42 PM Michael S. Tsirkin wrote:
> > >
> > > On Tue, Apr 23, 2024 at 11:09:59AM +0800, Jason Wang wrote:
> > >
On Tue, Apr 23, 2024 at 4:42 PM Michael S. Tsirkin wrote:
>
> On Tue, Apr 23, 2024 at 11:09:59AM +0800, Jason Wang wrote:
> > On Tue, Apr 23, 2024 at 4:05 AM Michael S. Tsirkin wrote:
> > >
> > > On Thu, Apr 18, 2024 at 08:57:51AM +0800, Jason Wang wrote:
> >
On Tue, Apr 23, 2024 at 4:05 AM Michael S. Tsirkin wrote:
>
> On Thu, Apr 18, 2024 at 08:57:51AM +0800, Jason Wang wrote:
> > On Wed, Apr 17, 2024 at 5:29 PM Michael S. Tsirkin wrote:
> > >
> > > On Fri, Apr 12, 2024 at 09:28:23PM +0800, Cindy Lu w
On Wed, Apr 17, 2024 at 5:29 PM Michael S. Tsirkin wrote:
>
> On Fri, Apr 12, 2024 at 09:28:23PM +0800, Cindy Lu wrote:
> > Add the function vduse_alloc_reconnnect_info_mem
> > and vduse_alloc_reconnnect_info_mem
> > These functions allow vduse to allocate and free memory for reconnection
> >
.@daynix.com/#r
>
> Signed-off-by: Liang Chen
> ---
Acked-by: Jason Wang
Thanks
On Tue, Apr 16, 2024 at 2:20 PM Liang Chen wrote:
>
> The RSS hash report is a feature that's part of the virtio specification.
> Currently, virtio backends like qemu, vdpa (mlx5), and potentially vhost
> (still a work in progress as per [1]) support this feature. While the
> capability to obtain
On Fri, Apr 12, 2024 at 9:31 PM Cindy Lu wrote:
>
> Add a document explaining the reconnect process, including what the
> Userspace App needs to do and how it works with the kernel.
>
> Signed-off-by: Cindy Lu
> ---
> Documentation/userspace-api/vduse.rst | 41 +++
> 1
usive. So a -1 has been added when needed.
>
> Signed-off-by: Christophe JAILLET
> Reviewed-by: Simon Horman
Acked-by: Jason Wang
Thanks
On Tue, Apr 9, 2024 at 1:27 AM ni.liqiang wrote:
>
> In our testing of the virtio hardware accelerator, we found that
> configuring the flags of the descriptor after addr and len,
> as implemented in DPDK, seems to be more friendly to the hardware.
>
> In our Virtio hardware implementation tests,
vp_vdpa->msix_name, vp_vdpa);
> if (ret) {
> dev_err(>dev,
> - "vp_vdpa: fail to request irq for vq %d\n", i);
> + "vp_vdpa: fail to request irq for config\n");
> goto err;
> }
> - vp_modern_config_vector(mdev, queues);
> + vp_modern_config_vector(mdev, msix_vec);
> vp_vdpa->config_irq = irq;
> -
Unnecessary changes.
Others look good.
Acked-by: Jason Wang
Thanks
> return 0;
> err:
> vp_vdpa_free_irq(vp_vdpa);
> --
> 2.43.0
>
On Mon, Apr 1, 2024 at 11:38 AM Liang Chen wrote:
>
> On Thu, Feb 29, 2024 at 4:37 PM Liang Chen wrote:
> >
> > On Tue, Feb 27, 2024 at 4:42 AM John Fastabend
> > wrote:
> > >
> > > Jason Wang wrote:
> > > > On Fri, Feb 23, 2024 at 9:42 AM
On Wed, Apr 3, 2024 at 10:47 AM tab wrote:
>
> > >
> > > On Fri, Mar 29, 2024 at 11:55:50AM +0800, Jason Wang wrote:
> > > > On Wed, Mar 27, 2024 at 5:08 PM Jason Wang wrote:
> > > > >
> > > > > On Thu, Mar 21, 2024 at 3:00 PM Micha
On Fri, Mar 29, 2024 at 6:42 PM Michael S. Tsirkin wrote:
>
> On Fri, Mar 29, 2024 at 06:39:33PM +0800, Jason Wang wrote:
> > On Fri, Mar 29, 2024 at 5:13 PM Michael S. Tsirkin wrote:
> > >
> > > On Wed, Mar 27, 2024 at 05:08:57PM +0800, Jason Wang wrote:
> >
vhost-vdpa: uapi to support reporting per vq size")
> Cc: "Zhu Lingshan"
> Signed-off-by: Michael S. Tsirkin
Acked-by: Jason Wang
Thanks
> ---
>
> Build tested only - userspace patches using this will have to adjust.
> I will merge this in a week or so unless
On Fri, Mar 29, 2024 at 5:13 PM Michael S. Tsirkin wrote:
>
> On Fri, Mar 29, 2024 at 11:55:50AM +0800, Jason Wang wrote:
> > On Wed, Mar 27, 2024 at 5:08 PM Jason Wang wrote:
> > >
> > > On Thu, Mar 21, 2024 at 3:00 PM Michael S. Tsirkin
> > > wrote:
>
On Fri, Mar 29, 2024 at 5:13 PM Michael S. Tsirkin wrote:
>
> On Wed, Mar 27, 2024 at 05:08:57PM +0800, Jason Wang wrote:
> > On Thu, Mar 21, 2024 at 3:00 PM Michael S. Tsirkin wrote:
> > >
> > > On Wed, Mar 20, 2024 at 06:19:12PM +0800, Wang Rong
On Wed, Mar 27, 2024 at 5:08 PM Jason Wang wrote:
>
> On Thu, Mar 21, 2024 at 3:00 PM Michael S. Tsirkin wrote:
> >
> > On Wed, Mar 20, 2024 at 06:19:12PM +0800, Wang Rong wrote:
> > > From: Rong Wang
> > >
> > > Once enable iommu domain for one
d to set up qemu with
> vhost=on,vnet_hdr=off, or do not configure vhost in the custom program.
>
> Signed-off-by: Andrew Melnychenko
Acked-by: Jason Wang
It seems it has been merged by Michael.
Thanks
> ---
> drivers/vhost/net.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>
_rmb() is executed when
> the avail_idx is advanced. With it, the callers needn't to worry
> about the memory barrier.
>
> Suggested-by: Michael S. Tsirkin
> Signed-off-by: Gavin Shan
Acked-by: Jason Wang
Thanks
On Thu, Mar 21, 2024 at 3:00 PM Michael S. Tsirkin wrote:
>
> On Wed, Mar 20, 2024 at 06:19:12PM +0800, Wang Rong wrote:
> > From: Rong Wang
> >
> > Once enable iommu domain for one device, the MSI
> > translation tables have to be there for software-managed MSI.
> > Otherwise, platform with
On Wed, Mar 27, 2024 at 3:35 PM Gavin Shan wrote:
>
> On 3/27/24 14:08, Gavin Shan wrote:
> > On 3/27/24 12:44, Jason Wang wrote:
> >> On Wed, Mar 27, 2024 at 10:34 AM Jason Wang wrote:
> >>> On Wed, Mar 27, 2024 at 7:39 AM Gavin Shan wrote:
> >
On Wed, Mar 27, 2024 at 10:34 AM Jason Wang wrote:
>
> On Wed, Mar 27, 2024 at 7:39 AM Gavin Shan wrote:
> >
> > A smp_rmb() has been missed in vhost_vq_avail_empty(), spotted by
> > Will Deacon . Otherwise, it's not ensured the
> > available ring entries pushed by
mb();
> + return true;
> + }
>
> - return vq->avail_idx != vq->last_avail_idx;
> + return false;
So we only care about the case when vhost_enable_notify() returns true.
In that case, I think you want to order with vhost_get_vq_desc():
last_avail_i
On Wed, Mar 27, 2024 at 7:39 AM Gavin Shan wrote:
>
> A smp_rmb() has been missed in vhost_vq_avail_empty(), spotted by
> Will Deacon . Otherwise, it's not ensured the
> available ring entries pushed by guest can be observed by vhost
> in time, leading to stale available ring entries fetched by
On Wed, Mar 20, 2024 at 6:20 PM Wang Rong wrote:
>
> From: Rong Wang
>
> Once enable iommu domain for one device, the MSI
> translation tables have to be there for software-managed MSI.
> Otherwise, platform with software-managed MSI without an
> irq bypass function, can not get a correct memory
On Mon, Mar 11, 2024 at 9:28 PM wangyunjian wrote:
>
>
>
> > -Original Message-
> > From: Jason Wang [mailto:jasow...@redhat.com]
> > Sent: Monday, March 11, 2024 12:01 PM
> > To: wangyunjian
> > Cc: Michael S. Tsirkin ; Paolo Abeni ;
> > wil
On Mon, Mar 4, 2024 at 9:45 PM wangyunjian wrote:
>
>
>
> > -Original Message-
> > From: Michael S. Tsirkin [mailto:m...@redhat.com]
> > Sent: Friday, March 1, 2024 7:53 PM
> > To: wangyunjian
> > Cc: Paolo Abeni ; willemdebruijn.ker...@gmail.com;
> > jasow...@redhat.com;
sending in the tun side.
> > 3. Kick the vhost_net to do rx processing.
> > 4. verify the data received by vhost_net is correct.
> >
> > Signed-off-by: Yunsheng Lin
>
> @Jason: AFAICS this addresses the points you raised on v5, could you
> please have a look?
>
> Thanks!
Looks good to me.
Acked-by: Jason Wang
Thanks
>
> Paolo
>
>
On Sat, Mar 2, 2024 at 2:40 AM Willem de Bruijn
wrote:
>
> Maciej Fijalkowski wrote:
> > On Wed, Feb 28, 2024 at 07:05:56PM +0800, Yunjian Wang wrote:
> > > This patch set allows TUN to support the AF_XDP Tx zero-copy feature,
> > > which can significantly reduce CPU utilization for XDP programs.
On Mon, Mar 4, 2024 at 7:24 PM wangyunjian wrote:
>
>
>
> > -Original Message-
> > From: Jason Wang [mailto:jasow...@redhat.com]
> > Sent: Monday, March 4, 2024 2:56 PM
> > To: wangyunjian
> > Cc: m...@redhat.com; willemdebruijn.ker...@gmail.com
On Wed, Feb 28, 2024 at 7:06 PM Yunjian Wang wrote:
>
> This patch set allows TUN to support the AF_XDP Tx zero-copy feature,
> which can significantly reduce CPU utilization for XDP programs.
>
> Since commit fc72d1d54dd9 ("tuntap: XDP transmission"), the pointer
> ring has been utilized to
On Fri, Feb 23, 2024 at 3:22 AM Michael S. Tsirkin wrote:
>
> On Tue, Jul 25, 2023 at 11:03:11AM +0800, Jason Wang wrote:
> > On Mon, Jul 24, 2023 at 3:18 PM Michael S. Tsirkin wrote:
> > >
> > > On Mon, Jul 24, 2023 at 02:52:49PM +0800, Jason Wang wrote:
> >
On Fri, Feb 23, 2024 at 9:42 AM Xuan Zhuo wrote:
>
> On Fri, 09 Feb 2024 13:57:25 +0100, Paolo Abeni wrote:
> > On Fri, 2024-02-09 at 18:39 +0800, Liang Chen wrote:
> > > On Wed, Feb 7, 2024 at 10:27 PM Paolo Abeni wrote:
> > > >
> > > > On Wed, 2024-02-07 at 10:54 +0800, Liang Chen wrote:
> >
On Tue, Feb 6, 2024 at 10:52 PM Stefano Garzarella wrote:
>
> If VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK is not negotiated, we expect
> the driver to enable virtqueue before setting DRIVER_OK. If the driver
> tries anyway, better to fail right away as soon as we get the ioctl.
> Let's also update
On Mon, Feb 5, 2024 at 8:46 PM Yunsheng Lin wrote:
>
> introduce vhost_net_test for both vhost_net tx and rx basing
> on virtio_test to test vhost_net changing in the kernel.
>
> Steps for vhost_net tx testing:
> 1. Prepare a out buf.
> 2. Kick the vhost_net to do tx processing.
> 3. Do the
gt; Cc: Greg Kroah-Hartman
> Suggested-by: Greg Kroah-Hartman
> Signed-off-by: Ricardo B. Marliere
> ---
Acked-by: Jason Wang
Thanks
On Sun, Feb 4, 2024 at 11:50 AM Yunsheng Lin wrote:
>
> On 2024/2/4 9:30, Jason Wang wrote:
> > On Fri, Feb 2, 2024 at 8:24 PM Yunsheng Lin wrote:
> >>
> >> On 2024/2/2 12:05, Jason Wang wrote:
> >>> On Tue, Jan 30, 2024 at 7:38 PM Yunsheng
On Fri, Feb 2, 2024 at 8:24 PM Yunsheng Lin wrote:
>
> On 2024/2/2 12:05, Jason Wang wrote:
> > On Tue, Jan 30, 2024 at 7:38 PM Yunsheng Lin wrote:
> >>
> >> introduce vhost_net_test basing on virtio_test to test
> >> vhost_net changing in the kernel.
&
On Tue, Jan 30, 2024 at 7:38 PM Yunsheng Lin wrote:
>
> introduce vhost_net_test basing on virtio_test to test
> vhost_net changing in the kernel.
Let's describe what kind of test is being done and how it is done here.
>
> Signed-off-by: Yunsheng Lin
> ---
> tools/virtio/.gitignore |
.@daynix.com/#r
>
> Signed-off-by: Liang Chen
> Reviewed-by: Xuan Zhuo
Acked-by: Jason Wang
Thanks
On Mon, Jan 29, 2024 at 7:40 PM wangyunjian wrote:
>
> > -Original Message-
> > From: Jason Wang [mailto:jasow...@redhat.com]
> > Sent: Monday, January 29, 2024 11:03 AM
> > To: wangyunjian
> > Cc: m...@redhat.com; willemdebruijn.ker...@gmail.com; k...@ke
On Mon, Jan 29, 2024 at 7:10 PM wangyunjian wrote:
>
> > -Original Message-
> > From: Jason Wang [mailto:jasow...@redhat.com]
> > Sent: Monday, January 29, 2024 11:05 AM
> > To: wangyunjian
> > Cc: m...@redhat.com; willemdebruijn.ker...@gmail.com; k...@ke
On Sat, Jan 27, 2024 at 5:34 PM wangyunjian wrote:
>
> > > -Original Message-
> > > From: Jason Wang [mailto:jasow...@redhat.com]
> > > Sent: Thursday, January 25, 2024 12:49 PM
> > > To: wangyunjian
> > > Cc: m...@redhat.com; willemdebr
On Thu, Jan 25, 2024 at 8:54 PM wangyunjian wrote:
>
>
>
> > -Original Message-
> > From: Jason Wang [mailto:jasow...@redhat.com]
> > Sent: Thursday, January 25, 2024 12:49 PM
> > To: wangyunjian
> > Cc: m...@redhat.com; willemdebruijn.ke
On Wed, Jan 24, 2024 at 5:38 PM Yunjian Wang wrote:
>
> Now the zero-copy feature of AF_XDP socket is supported by some
> drivers, which can reduce CPU utilization on the xdp program.
> This patch set allows tun to support AF_XDP Rx zero-copy feature.
>
> This patch tries to address this by:
> -
On Wed, Jan 24, 2024 at 5:16 PM Xuan Zhuo wrote:
>
> On Wed, 24 Jan 2024 16:57:20 +0800, Liang Chen
> wrote:
> > For the XDP_PASS scenario of the XDP path, the skb constructed with
> > xdp_buff does not include the virtio header. Adding the virtio header
> > information back when creating the
On Thu, Jan 25, 2024 at 3:05 AM Willem de Bruijn
wrote:
>
> Yunjian Wang wrote:
> > Now the zero-copy feature of AF_XDP socket is supported by some
> > drivers, which can reduce CPU utilization on the xdp program.
> > This patch set allows tun to support AF_XDP Rx zero-copy feature.
> >
> > This
On Mon, Jan 22, 2024 at 6:23 PM Liang Chen wrote:
>
> The RSS hash report is a feature that's part of the virtio specification.
> Currently, virtio backends like qemu, vdpa (mlx5), and potentially vhost
> (still a work in progress as per [1]) support this feature. While the
> capability to obtain
set.
>
> Fixes: 0c89e2a3a9d0 ("vdpa_sim: Implement suspend vdpa op")
> Signed-off-by: Steve Sistare
> Reviewed-by: Eugenio Pérez
Acked-by: Jason Wang
Thanks
On Thu, Jan 18, 2024 at 4:32 AM Steven Sistare
wrote:
>
> On 1/10/2024 9:55 PM, Jason Wang wrote:
> > On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare
> > wrote:
> >>
> >> Live update is a technique wherein an application saves its state, exec's
> >>
On Thu, Jan 18, 2024 at 4:32 AM Steven Sistare
wrote:
>
> On 1/10/2024 10:08 PM, Jason Wang wrote:
> > On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare
> > wrote:
> >>
> >> When device ownership is passed to a new process via VHOST_NEW_OWNER,
> >&g
On Fri, Jan 12, 2024 at 12:18 AM Mike Christie
wrote:
>
> On 1/10/24 9:09 PM, Jason Wang wrote:
> > On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare
> > wrote:
> >>
> >> To pass ownership of a live vdpa device to a new process, the user
> >> suspend
On Wed, Jan 10, 2024 at 2:23 PM Zheyun Shen wrote:
>
> For now, SEV pins guest's memory to avoid swapping or
> moving ciphertext, but leading to the inhibition of
> Memory Ballooning.
>
> In Memory Ballooning, only guest's free pages will be relocated
> in balloon inflation and deflation, so the
.
>
> Some work is on-going to make the control queue
> implementation robust with VDUSE. Until it is completed,
> let's fail features check if control-queue feature is
> requested.
>
> Signed-off-by: Maxime Coquelin
Acked-by: Jason Wang
Thanks
> ---
> drivers/vdpa
On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare wrote:
>
> To pass ownership of a live vdpa device to a new process, the user
> suspends the device, calls VHOST_NEW_OWNER to change the mm, and calls
> VHOST_IOTLB_REMAP to change the user virtual addresses to match the new
> mm. Flush workers in
On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare wrote:
>
> To pass ownership of a live vdpa device to a new process, the user
> suspends the device, calls VHOST_NEW_OWNER to change the mm, and calls
> VHOST_IOTLB_REMAP to change the user virtual addresses to match the new
> mm. Flush workers in
On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare wrote:
>
> When device ownership is passed to a new process via VHOST_NEW_OWNER,
> some devices need to know the new userland addresses of the dma mappings.
> Define the new iotlb message type VHOST_IOTLB_REMAP to update the uaddr
> of a mapping. The
On Thu, Jan 11, 2024 at 4:40 AM Steve Sistare wrote:
>
> Live update is a technique wherein an application saves its state, exec's
> to an updated version of itself, and restores its state. Clients of the
> application experience a brief suspension of service, on the order of
> 100's of
On Fri, Jan 5, 2024 at 6:14 PM Maxime Coquelin
wrote:
>
>
>
> On 1/5/24 10:59, Eugenio Perez Martin wrote:
> > On Fri, Jan 5, 2024 at 9:12 AM Maxime Coquelin
> > wrote:
> >>
> >>
> >>
> >> On 1/5/24 03:45, Jason Wang wrote:
> &
d-only. It also fails with
> -EPERM if the CAP_NET_ADMIN is missing.
>
> Signed-off-by: Maxime Coquelin
> ---
Acked-by: Jason Wang
Thanks
F_CTRL_VQ) |\
> +BIT_ULL(VIRTIO_NET_F_CTRL_RX) | \
> +BIT_ULL(VIRTIO_NET_F_CTRL_VLAN) | \
> +BIT_ULL(VIRTIO_NET_F_GUEST_ANNOUNCE) | \
> +BIT_ULL(VIRTIO_NET_F_MQ) | \
> +BIT_ULL(VIRTIO_NET_F_CTRL_MAC_ADDR) | \
> +
the device, the driver looks for a shared memory region of id 0.
> If it is found, this feature is understood. Otherwise, this feature
> bit is cleared.
>
> During probe, if VIRTIO_PMEM_F_SHMEM_REGION has been negotiated,
> virtio pmem ignores the `start` and `size` fields in dev
On Fri, Dec 22, 2023 at 7:22 PM Dragos Tatulea wrote:
>
> On Wed, 2023-12-20 at 13:55 +0100, Dragos Tatulea wrote:
> > On Wed, 2023-12-20 at 11:46 +0800, Jason Wang wrote:
> > > On Wed, Dec 20, 2023 at 2:09 AM Dragos Tatulea
> > > wrote:
> > > &g
On Thu, Dec 21, 2023 at 3:47 PM Eugenio Perez Martin
wrote:
>
> On Thu, Dec 21, 2023 at 3:03 AM Jason Wang wrote:
> >
> > On Wed, Dec 20, 2023 at 9:32 PM Eugenio Perez Martin
> > wrote:
> > >
> > > On Wed, Dec 20, 2023 at 5:06 AM Jason Wang wrote:
>
On Thu, Dec 21, 2023 at 10:48 AM Yunsheng Lin wrote:
>
> On 2023/12/21 10:33, Jason Wang wrote:
> > On Wed, Dec 20, 2023 at 8:45 PM Yunsheng Lin wrote:
> >>
> >> On 2023/12/12 12:35, Jason Wang wrote:>>>> +done:
> >>>>>> + ba
On Wed, Dec 20, 2023 at 8:45 PM Yunsheng Lin wrote:
>
> On 2023/12/12 12:35, Jason Wang wrote:>>>> +done:
> >>>> + backend.fd = tun_alloc();
> >>>> + assert(backend.fd >= 0);
> >>>> + vdev_info_init(, features
On Wed, Dec 20, 2023 at 9:32 PM Eugenio Perez Martin
wrote:
>
> On Wed, Dec 20, 2023 at 5:06 AM Jason Wang wrote:
> >
> > On Wed, Dec 20, 2023 at 11:46 AM Jason Wang wrote:
> > >
> > > On Wed, Dec 20, 2023 at 2:09 AM Dragos Tatulea
> > > wrote:
On Wed, Dec 20, 2023 at 11:46 AM Jason Wang wrote:
>
> On Wed, Dec 20, 2023 at 2:09 AM Dragos Tatulea wrote:
> >
> > The virtio spec doesn't allow changing virtqueue addresses after
> > DRIVER_OK. Some devices do support this operation when the
register_device(_vdpa->vdpa, eni_vdpa->queues);
> > if (ret) {
> > ENI_ERR(pdev, "failed to register to vdpa bus\n");
> > - goto err;
> > + goto err_remove_vp_legacy;
> > }
> >
> > return 0;
> >
> > +err_remove_vp_legacy:
> > + vp_legacy_remove(_vdpa->ldev);
> > err:
> > put_device(_vdpa->vdpa.dev);
> > return ret;
>
> Polite reminder on a (very) old patch.
Acked-by: Jason Wang
Thanks
>
> CJ
>
On Tue, Dec 19, 2023 at 3:19 PM Changyuan Lyu wrote:
>
> As per virtio spec 1.2 section 5.19.5.2, if the feature
> VIRTIO_PMEM_F_SHMEM_REGION has been negotiated, the driver MUST query
> shared memory ID 0 for the physical address ranges.
>
> Signed-off-by: Changyuan Lyu
> ---
>
On Mon, Dec 11, 2023 at 1:52 AM Christophe JAILLET
wrote:
>
> ida_alloc() and ida_free() should be preferred to the deprecated
> ida_simple_get() and ida_simple_remove().
>
> This is less verbose.
>
> Signed-off-by: Christophe JAILLET
Acked-by: Jason Wang
Thanks
> --
On Mon, Dec 18, 2023 at 5:21 PM Maxime Coquelin
wrote:
>
>
>
> On 12/18/23 03:50, Jason Wang wrote:
> > On Wed, Dec 13, 2023 at 7:23 PM Maxime Coquelin
> > wrote:
> >>
> >> Hi Jason,
> >>
> >> On 12/13/23 05:52, Jason Wang wrote:
> &
On Tue, Dec 19, 2023 at 12:36 AM Willem de Bruijn
wrote:
>
> Steffen Trumtrar wrote:
> > This series tries to pick up the work on the virtio-net timestamping
> > feature from Willem de Bruijn.
> >
> > Original series
> > Message-Id: 20210208185558.995292-1-willemdebruijn.ker...@gmail.com
> >
hen the mkey is unlinked from the vq (trough modify/destroy)
> and from the mr asid table.
>
> To make things consistent, get rid of mlx5_vdpa_destroy_mr and use
> get/put semantics everywhere.
>
> Reviewed-by: Gal Pressman
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
> ---
Acked-by: Jason Wang
Thanks
n't support resumable vqs, do the old teardown and
> setup dance.
>
> Reviewed-by: Gal Pressman
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
> ---
Acked-by: Jason Wang
Thanks
eviewed-by: Gal Pressman
> Signed-off-by: Dragos Tatulea
> ---
Acked-by: Jason Wang
Thanks
On Wed, Dec 20, 2023 at 2:10 AM Dragos Tatulea wrote:
>
> Implement vdpa vq and device resume if capability detected. Add support
> for suspend -> ready state change.
>
> Reviewed-by: Gal Pressman
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
Gal Pressman
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
Acked-by: Jason Wang
Thanks
On Wed, Dec 20, 2023 at 2:09 AM Dragos Tatulea wrote:
>
> Set vdpa device suspended state on successful suspend. Clear it on
> successful resume and reset.
>
> The state will be locked by the vhost_vdpa mutex. The mutex is taken
> during suspend, resume and reset in vhost_vdpa_unlocked_ioctl. The
On Wed, Dec 20, 2023 at 2:09 AM Dragos Tatulea wrote:
>
> The virtio spec doesn't allow changing virtqueue addresses after
> DRIVER_OK. Some devices do support this operation when the device is
> suspended. The VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND flag
> advertises this support as a
On Wed, Dec 20, 2023 at 2:09 AM Dragos Tatulea wrote:
>
> Necessary for checking if resumable vqs are supported by the hardware.
> Actual support will be added in a downstream patch.
>
> Reviewed-by: Gal Pressman
> Acked-by: Eugenio Pérez
> Signed-off-by: Dragos Tatulea
On Wed, Dec 13, 2023 at 7:23 PM Maxime Coquelin
wrote:
>
> Hi Jason,
>
> On 12/13/23 05:52, Jason Wang wrote:
> > On Tue, Dec 12, 2023 at 9:17 PM Maxime Coquelin
> > wrote:
> >>
> >> Virtio-net driver control queue implementation is not safe
> >
On Tue, Dec 12, 2023 at 9:17 PM Maxime Coquelin
wrote:
>
> Virtio-net driver control queue implementation is not safe
> when used with VDUSE. If the VDUSE application does not
> reply to control queue messages, it currently ends up
> hanging the kernel thread sending this command.
>
> Some work
On Thu, Dec 7, 2023 at 7:28 PM Yunsheng Lin wrote:
>
> On 2023/12/7 14:00, Jason Wang wrote:
> > On Tue, Dec 5, 2023 at 7:35 PM Yunsheng Lin wrote:
> ...
>
> >> +
> >> +static int tun_alloc(void)
> >> +{
> >> + struct ifreq ifr;
>
On Tue, Dec 12, 2023 at 12:37 AM Michael S. Tsirkin wrote:
>
> On Fri, Dec 08, 2023 at 04:07:54PM +0900, David Stevens wrote:
> > If a virtio_pci_device supports native PCI power management and has the
> > No_Soft_Reset bit set, then skip resetting and reinitializing the device
> > when
On Tue, Dec 12, 2023 at 12:54 AM Michael S. Tsirkin wrote:
>
> On Mon, Dec 11, 2023 at 03:26:46PM +0800, Jason Wang wrote:
> > > Try reducing the VHOST_NET_WEIGHT limit and see if that improves things
> > > any?
> >
> > Or a dirty hack like cond_resched()
wer states like s2idle to be used in systems with stateful virtio
> devices that can't simply be re-initialized (e.g. virtio-fs).
>
> Signed-off-by: David Stevens
Acked-by: Jason Wang
Thanks
> ---
> v1 -> v2:
> - Check the No_Soft_Reset bit
>
>
On Sat, Dec 9, 2023 at 6:42 PM Michael S. Tsirkin wrote:
>
> On Fri, Dec 08, 2023 at 12:41:38PM +0100, Tobias Huschle wrote:
> > On Fri, Dec 08, 2023 at 05:31:18AM -0500, Michael S. Tsirkin wrote:
> > > On Fri, Dec 08, 2023 at 10:24:16AM +0100, Tobias Huschle wrote:
> > > > On Thu, Dec 07, 2023
On Tue, Dec 5, 2023 at 7:35 PM Yunsheng Lin wrote:
>
> introduce vhost_net_test basing on virtio_test to test
> vhost_net changing in the kernel.
>
> Signed-off-by: Yunsheng Lin
> ---
> tools/virtio/Makefile | 8 +-
> tools/virtio/vhost_net_test.c | 441
st_net_test introduced in the
> last patch.
>
> Signed-off-by: Yunsheng Lin
> ---
Acked-by: Jason Wang
Thanks
On Tue, Dec 5, 2023 at 7:35 PM Yunsheng Lin wrote:
>
> When draining a page_frag_cache, most user are doing
> the similar steps, so introduce an API to avoid code
> duplication.
>
> Signed-off-by: Yunsheng Lin
> ---
For vhost part:
Acked-by: Jason Wang
Thanks
On Thu, Nov 30, 2023 at 5:44 PM Michael S. Tsirkin wrote:
>
> On Wed, Nov 29, 2023 at 06:20:31PM +0800, Jason Wang wrote:
> > On Wed, Nov 29, 2023 at 6:12 PM Ning, Hongyu
> > wrote:
> > >
> > >
> > > On 2023/11/29 17:16, Jason Wang wrote:
> &g
flag
> >vdpa: accept VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK backend feature
> >vdpa: add get_backend_features vdpa operation
> >vdpa_sim: offer VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK
> >
> > Jason Wang (1):
> >virtio_v
On Wed, Nov 8, 2023 at 3:09 PM Jason Wang wrote:
>
> On Wed, Nov 8, 2023 at 2:39 PM Cindy Lu wrote:
> >
> > On Wed, Nov 8, 2023 at 11:03 AM Jason Wang wrote:
> > >
> > > On Tue, Nov 7, 2023 at 2:57 PM Cindy Lu wrote:
> > > >
> >
On Wed, Nov 8, 2023 at 2:39 PM Cindy Lu wrote:
>
> On Wed, Nov 8, 2023 at 11:03 AM Jason Wang wrote:
> >
> > On Tue, Nov 7, 2023 at 2:57 PM Cindy Lu wrote:
> > >
> > > On Mon, Nov 6, 2023 at 3:30 PM Jason Wang wrote:
> > > >
> &
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