[Xen-devel] Difference between xc_map_foreign_range() and xc_map_foreign_batch()

[ADITYA KRISHNAN <akrishn7@xxxxxxxx>]

Hello All,

Could someone please enlighten me on the difference between xc_map_foreign_range() and xc_map_foreign_batch() used in xc_save/restore.

 I know both of them function similar to mmap. I guess the xc_map_foreign_range directly maps the range of addresses from DomU to Dom0. 

However I am not sure what xc_map_foreign_batch does. It always seems to be used for mapping page frame lists.

 Can someone please tell me what is does and why it is used.

Thank you.

Aditya 

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