On 2021/03/10 11:07, Shuah Khan wrote:
> On 3/9/21 6:02 PM, Tetsuo Handa wrote:
>> On 2021/03/10 9:29, Shuah Khan wrote:
It is not a large grain lock. Since event_handler() is exclusively
executed, this lock
does _NOT_ block event_handler() unless attach/detach operations run
On 3/9/21 6:02 PM, Tetsuo Handa wrote:
On 2021/03/10 9:29, Shuah Khan wrote:
It is not a large grain lock. Since event_handler() is exclusively executed,
this lock
does _NOT_ block event_handler() unless attach/detach operations run
concurrently.
event handler queues the events. It
On 2021/03/10 9:29, Shuah Khan wrote:
>> It is not a large grain lock. Since event_handler() is exclusively executed,
>> this lock
>> does _NOT_ block event_handler() unless attach/detach operations run
>> concurrently.
>>
>>>
>
> event handler queues the events. It shouldn't be blocked by
On 3/9/21 5:03 PM, Tetsuo Handa wrote:
On 2021/03/10 8:52, Shuah Khan wrote:
On 3/9/21 4:40 PM, Tetsuo Handa wrote:
On 2021/03/10 4:50, Shuah Khan wrote:
On 3/9/21 4:04 AM, Tetsuo Handa wrote:
On 2021/03/09 1:27, Shuah Khan wrote:
Yes. We might need synchronization between events, threads,
On 2021/03/10 8:52, Shuah Khan wrote:
> On 3/9/21 4:40 PM, Tetsuo Handa wrote:
>> On 2021/03/10 4:50, Shuah Khan wrote:
>>> On 3/9/21 4:04 AM, Tetsuo Handa wrote:
On 2021/03/09 1:27, Shuah Khan wrote:
> Yes. We might need synchronization between events, threads, and shutdown
> in
On 3/9/21 4:40 PM, Tetsuo Handa wrote:
On 2021/03/10 4:50, Shuah Khan wrote:
On 3/9/21 4:04 AM, Tetsuo Handa wrote:
On 2021/03/09 1:27, Shuah Khan wrote:
Yes. We might need synchronization between events, threads, and shutdown
in usbip_host side and in connection polling and threads in vhci.
On 2021/03/10 4:50, Shuah Khan wrote:
> On 3/9/21 4:04 AM, Tetsuo Handa wrote:
>> On 2021/03/09 1:27, Shuah Khan wrote:
>>> Yes. We might need synchronization between events, threads, and shutdown
>>> in usbip_host side and in connection polling and threads in vhci.
>>>
>>> I am also looking at
On 3/9/21 4:04 AM, Tetsuo Handa wrote:
On 2021/03/09 1:27, Shuah Khan wrote:
Yes. We might need synchronization between events, threads, and shutdown
in usbip_host side and in connection polling and threads in vhci.
I am also looking at the shutdown sequences closely as well since the
local
On 3/8/21 9:27 AM, Shuah Khan wrote:
On 3/8/21 3:10 AM, Tetsuo Handa wrote:
On 2021/03/08 16:35, Tetsuo Handa wrote:
On 2021/03/08 12:53, Shuah Khan wrote:
Fix the above problems:
- Stop using kthread_get_run() macro to create/start threads.
- Create threads and get task struct reference.
-
On 2021/03/09 20:04, Tetsuo Handa wrote:
> On 2021/03/09 1:27, Shuah Khan wrote:
>> Yes. We might need synchronization between events, threads, and shutdown
>> in usbip_host side and in connection polling and threads in vhci.
>>
>> I am also looking at the shutdown sequences closely as well since
On 2021/03/09 1:27, Shuah Khan wrote:
> Yes. We might need synchronization between events, threads, and shutdown
> in usbip_host side and in connection polling and threads in vhci.
>
> I am also looking at the shutdown sequences closely as well since the
> local state is referenced without
On 3/8/21 3:10 AM, Tetsuo Handa wrote:
On 2021/03/08 16:35, Tetsuo Handa wrote:
On 2021/03/08 12:53, Shuah Khan wrote:
Fix the above problems:
- Stop using kthread_get_run() macro to create/start threads.
- Create threads and get task struct reference.
- Add kthread_create() failure handling
On 2021/03/08 16:35, Tetsuo Handa wrote:
> On 2021/03/08 12:53, Shuah Khan wrote:
>> Fix the above problems:
>> - Stop using kthread_get_run() macro to create/start threads.
>> - Create threads and get task struct reference.
>> - Add kthread_create() failure handling and bail out.
>> - Hold
On 2021/03/08 12:53, Shuah Khan wrote:
> Fix the above problems:
> - Stop using kthread_get_run() macro to create/start threads.
> - Create threads and get task struct reference.
> - Add kthread_create() failure handling and bail out.
> - Hold usbip_device lock to update local and shared states
usbip_sockfd_store() is invoked when user requests attach (import)
detach (unimport) usb device from usbip host. vhci_hcd sends import
request and usbip_sockfd_store() exports the device if it is free
for export.
Export and unexport are governed by local state and shared state
- Shared state
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