Ian Campbell writes ("[PATCH XEN v5 21/23] tools/libs/foreignmemory: Mention
restrictions on fork in docs."):
> Signed-off-by: Ian Campbell <ian.campb...@citrix.com>
> Acked-by: Wei Liu <wei.l...@citrix.com>
Oh, good.
> /*
> - * Return a handle onto the hypercall driver. Logs errors.
> + * Return a handle onto the foreign memory mapping driver. Logs errors.
> + *
> + * Note: After fork a child process must not use any opened handle
> + * inherited from their parent. Any existing mappings should be
> + * assumed to become invalid. Therefore children must open a new
> + * handle and make new mappings if necessary.
However, you still need to say how to reclaim the virtual address
space. (See my comments on the gntmap API.)
Ian.
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