[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH XEN v5 21/23] tools/libs/foreignmemory: Mention restrictions on fork in docs.
Ian Campbell writes ("[PATCH XEN v5 21/23] tools/libs/foreignmemory: Mention restrictions on fork in docs."): > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx> > Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx> 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. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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