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

[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?
Cheers,

--
Julien Grall

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