TIF_RESTORE_SIGMASK can be set only when TIF_SIGPENDING is set

arch/avr32/kernel/entry-avr32b.S

arch/avr32/kernel/signal.c

arch/blackfin/kernel/signal.c

arch/blackfin/mach-common/entry.S

arch/c6x/kernel/signal.c

arch/frv/kernel/signal.c

arch/mips/kernel/signal.c

arch/mn10300/kernel/signal.c

arch/parisc/include/asm/thread_info.h

arch/parisc/kernel/entry.S

arch/parisc/kernel/signal.c

arch/sparc/include/asm/thread_info_32.h

arch/sparc/kernel/signal_32.c