K 10 svn:author V 7 dchagin K 8 svn:date V 27 2011-03-02T20:08:52.382463Z K 7 svn:log V 179 MFC r218879: Do not clobber %rdx. Before calling vfork() syscall the linux user-space stores the current PID in the %rdx and restore it when the parent process leaves the kernel. END