On Mon, 2017-09-11 at 12:37 +0800, Haozhong Zhang wrote: > cleanup_frame_table() initializes the entire newly added frame table > to all -1's. If it's called after extend_frame_table() failed to map > the entire frame table, the initialization will hit a page fault. > > Move the cleanup of partially mapped frametable to > extend_frame_table(), > which has enough knowledge of the mapping status.
Overall the patch fixed the issue. But I guess you can achieve this with less change. For example, you can use info->cur to pass the last mapped pfn and only memset those mapped chuncks. Chao _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
