[Xen-devel] Who uses xc_gnttab_map_grant_refs?

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

Hello,

I wanted to map several grants at a time, and I found that
xc_gnttab_map_grant_refs permits that, but it requires you to fill a
domid array with the domids of each page.  Isn't just usually the same?
Or put another way, in which case would you want to contiguously map
pages from different domains?  It looks to me like the interface puts
burden on 99% usage case for little reason...

Samuel

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