On 26/08/2015 12:40, Xiao Guangrong wrote: >>> >>> + >>> + size = get_file_size(fd); >>> + buf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); >> >> I guess the user will want to choose between MAP_SHARED and MAP_PRIVATE. >> This can be added in the future. > > Good idea, it will allow guest to write data but discards its content > after it exits. Will implement O_RDONLY + MAP_PRIVATE in the near future.
FWIW, if Igor's backend/frontend idea is implemented, the choice between MAP_SHARED and MAP_PRIVATE should belong in the backend. Paolo
