Re: [Xen-devel] [PATCH v4 5/7] libxl: support unmapping static shared memory areas during domain destruction

[Zhongze Liu <blackskygg@xxxxxxxxx>]

Hi Julien,

2018-02-12 23:09 GMT+08:00 Julien Grall <julien.grall@xxxxxxx>:
> Hi,
>
> On 12/02/18 14:52, Zhongze Liu wrote:
>>
>> 2018-02-08 0:54 GMT+08:00 Julien Grall <julien.grall@xxxxxxx>:
>>>
>>> On 07/02/18 16:27, Zhongze Liu wrote:
>>
>> It seems that I mistakenly use transaction as a global lock. Now I don't
>> have
>> any reasons not putting the unmap out of the transaction, but this will
>> break
>> the original transaction into two, and I do think that we need some
>> explicit
>> locking here.
>
>
> Can you explain why you need specific locking here? What are you trying to
> protect? Are you trying to protect against two process doing the unmap?
>

Yes.

Cheers,

Zhongze Liu

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel