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


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?


Julien Grall

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