On Thu, 10 Mar 2022 02:00:39 -0500, "Michael S. Tsirkin"
wrote:
> On Tue, Mar 08, 2022 at 08:35:01PM +0800, Xuan Zhuo wrote:
> > virtio ring supports reset.
> >
> > Queue reset is divided into several stages.
> >
> > 1. notify device queue reset
> > 2. vring release
> > 3. attach new vring
> > 4.
On Tue, Mar 08, 2022 at 08:35:01PM +0800, Xuan Zhuo wrote:
> virtio ring supports reset.
>
> Queue reset is divided into several stages.
>
> 1. notify device queue reset
> 2. vring release
> 3. attach new vring
> 4. notify device queue re-enable
>
> After the first step is completed, the vring r
On Wed, 9 Mar 2022 15:55:44 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > virtio ring supports reset.
> >
> > Queue reset is divided into several stages.
> >
> > 1. notify device queue reset
> > 2. vring release
> > 3. attach new vring
> > 4. notify device queue re-enable
> >
>
On Tue, Mar 08, 2022 at 08:35:10PM +0800, Xuan Zhuo wrote:
> find_vqs() adds a new parameter sizes to specify the size of each vq
> vring.
>
> 0 means use the maximum size supported by the backend.
>
> In the split scenario, the meaning of size is the largest size, because
> it may be limited by
On 3/9/22 08:21, Richard Weinberger wrote:
> Randy,
>
> - Ursprüngliche Mail -
>> Von: "Randy Dunlap"
>> Uh, where are the patches?
>>
>>> http://lists.infradead.org/mailman/listinfo/linux-um
>>
>> not in that archive ^^^
>
> https://lore.kernel.org/lkml
Randy,
- Ursprüngliche Mail -
> Von: "Randy Dunlap"
> Uh, where are the patches?
>
>> http://lists.infradead.org/mailman/listinfo/linux-um
>
> not in that archive ^^^
https://lore.kernel.org/lkml/20220101215810.13260-1-rich...@nod.at/T/
Thanks,
//richar
On 3/9/22 00:35, Richard Weinberger wrote:
> - Ursprüngliche Mail -
>>> This series fixes the console exit code to make sure UML
>>> undoes everything it changed on the host side.
>>
>> I gave this a run hoping it would fix the issues I'm seeing with the console
>> getting messed up when
On 3/2/22 16:44, Geert Uytterhoeven wrote:
> Hi Anshuman,
>
> On Wed, Mar 2, 2022 at 12:07 PM Anshuman Khandual
> wrote:
>> On 3/2/22 3:35 PM, Geert Uytterhoeven wrote:
>>> On Wed, Mar 2, 2022 at 10:51 AM Anshuman Khandual
>>> wrote:
On 3/2/22 12:35 PM, Christophe Leroy wrote:
> Le 02
On 3/3/22 20:58, Catalin Marinas wrote:
> Hi Anshuman,
>
> On Mon, Feb 28, 2022 at 04:17:28PM +0530, Anshuman Khandual wrote:
>> +static inline pgprot_t __vm_get_page_prot(unsigned long vm_flags)
>> +{
>> +switch (vm_flags & (VM_READ | VM_WRITE | VM_EXEC | VM_SHARED)) {
>> +case VM_NONE
Sorry, the last reply email was too fast, with some Chinese mixed in. So send
another email.
On Wed, 9 Mar 2022 17:14:34 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > This patch implements the reset function of the rx, tx queues.
> >
> > Based on this function, it is possible
On Wed, 9 Mar 2022 17:14:34 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > This patch implements the reset function of the rx, tx queues.
> >
> > Based on this function, it is possible to modify the ring num of the
> > queue. And quickly recycle the buffer in the queue.
> >
> >
On Wed, 9 Mar 2022 17:04:12 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > Introduce helper virtio_find_vqs_ctx_size() to call find_vqs and specify
> > the maximum size of each vq ring.
> >
> > Signed-off-by: Xuan Zhuo
> > ---
> > include/linux/virtio_config.h | 12 ++
On Wed, 9 Mar 2022 17:29:28 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > Support set_ringparam based on virtio queue reset.
> >
> > The rx,tx_pending required to be passed must be power of 2.
> >
> > Signed-off-by: Xuan Zhuo
> > ---
> > drivers/net/virtio_net.c | 47 +++
On Wed, 9 Mar 2022 17:28:21 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > Use virtio_find_vqs_ctx_size() to specify the maximum ring size of tx,
> > rx at the same time.
> >
> > | rx/tx ring size
> > ---
> > spee
On Wed, 9 Mar 2022 16:59:32 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > find_vqs() adds a new parameter sizes to specify the size of each vq
> > vring.
> >
> > 0 means use the maximum size supported by the backend.
> >
> > In the split scenario, the meaning of size is the lar
On Wed, 9 Mar 2022 16:54:10 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > This patch implements virtio pci support for QUEUE RESET.
> >
> > Performing reset on a queue is divided into these steps:
> >
> > 1. virtio_reset_vq() - notify the device to reset the queu
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
Support set_ringparam based on virtio queue reset.
The rx,tx_pending required to be passed must be power of 2.
Signed-off-by: Xuan Zhuo
---
drivers/net/virtio_net.c | 47
1 file changed, 47 insertions(+)
diff --git
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
Use virtio_find_vqs_ctx_size() to specify the maximum ring size of tx,
rx at the same time.
| rx/tx ring size
---
speed == UNKNOWN or < 10G| 1024
speed < 40G | 4096
speed >= 40G
On Wed, 9 Mar 2022 16:48:28 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > Add helper for virtio queue reset.
> >
> > * virtio_reset_vq(): reset a queue individually
> > * virtio_enable_resetq(): enable a reset queue
> >
> > Signed-off-by: Xuan Zhuo
> > ---
> > include/linux/
On Wed, 9 Mar 2022 16:47:11 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > Performing reset on a queue is divided into four steps:
> >
> > 1. reset_vq() - notify the device to reset the queue
> > 2. virtqueue_detach_unused_buf() - recycle the buffer subm
On Wed, 9 Mar 2022 15:55:44 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > virtio ring supports reset.
> >
> > Queue reset is divided into several stages.
> >
> > 1. notify device queue reset
> > 2. vring release
> > 3. attach new vring
> > 4. notify device queue re-enable
> >
>
On Wed, 9 Mar 2022 15:51:13 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:35, Xuan Zhuo 写道:
> > Introduce vring_free() to free the vring of vq.
> >
> > Prevent double free by setting vq->reset.
> >
> > Signed-off-by: Xuan Zhuo
> > ---
> > drivers/virtio/virtio_ring.c | 25
On Wed, 9 Mar 2022 15:36:59 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:34, Xuan Zhuo 写道:
> > Split the logic of split assignment vq into three parts.
> >
> > 1. The assignment passed from the function parameter
> > 2. The part that attaches vring to vq. -- __vring_virtqueue_attach_split()
> > 3.
Agree for all.
Thanks.
On Wed, 9 Mar 2022 14:46:01 +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:34, Xuan Zhuo 写道:
> > Separate the logic of split to create vring queue.
> >
> > For the convenience of passing parameters, add a structure
> > vring_split.
> >
> > This feature is required for subsequ
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
This patch implements the reset function of the rx, tx queues.
Based on this function, it is possible to modify the ring num of the
queue. And quickly recycle the buffer in the queue.
In the process of the queue disable, in theory, as long as virtio
supports qu
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
This patch separates two functions for freeing sq buf and rq buf from
free_unused_bufs().
When supporting the enable/disable tx/rq queue in the future, it is
necessary to support separate recovery of a sq buf or a rq buf.
Signed-off-by: Xuan Zhuo
Acked-by:
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
Introduce helper virtio_find_vqs_ctx_size() to call find_vqs and specify
the maximum size of each vq ring.
Signed-off-by: Xuan Zhuo
---
include/linux/virtio_config.h | 12
1 file changed, 12 insertions(+)
diff --git a/include/linux/virtio_confi
On Wed, Mar 09, 2022 at 12:45:57PM +0800, Jason Wang wrote:
>
> 在 2022/3/8 下午8:34, Xuan Zhuo 写道:
> > The virtio spec already supports the virtio queue reset function. This
> > patch set
> > is to add this function to the kernel. The relevant virtio spec information
> > is
> > here:
> >
> >
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
find_vqs() adds a new parameter sizes to specify the size of each vq
vring.
0 means use the maximum size supported by the backend.
In the split scenario, the meaning of size is the largest size, because
it may be limited by memory, the virtio core will try a sm
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
This patch implements virtio pci support for QUEUE RESET.
Performing reset on a queue is divided into these steps:
1. virtio_reset_vq() - notify the device to reset the queue
2. virtqueue_detach_unused_buf() - recycle the buffer submitted
3.
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
Add helper for virtio queue reset.
* virtio_reset_vq(): reset a queue individually
* virtio_enable_resetq(): enable a reset queue
Signed-off-by: Xuan Zhuo
---
include/linux/virtio_config.h | 40 +++
1 file changed, 40 inserti
在 2022/3/8 下午8:35, Xuan Zhuo 写道:
Performing reset on a queue is divided into four steps:
1. reset_vq() - notify the device to reset the queue
2. virtqueue_detach_unused_buf() - recycle the buffer submitted
3. virtqueue_reset_vring()- reset the vring (may re-al
- Ursprüngliche Mail -
>> This series fixes the console exit code to make sure UML
>> undoes everything it changed on the host side.
>
> I gave this a run hoping it would fix the issues I'm seeing with the console
> getting messed up when UML exits via halt in the guest. Echo is turned off
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