Merge remote-tracking branch 'signal/for-next'

diff --cc arch/arm64/Kconfig
Simple merge

diff --cc arch/arm64/include/asm/processor.h
Simple merge

diff --cc arch/m68k/include/asm/unistd.h
Simple merge

diff --cc arch/mips/Kconfig
Simple merge

diff --cc arch/mips/kernel/mips_ksyms.c
Simple merge

diff --cc arch/mips/kernel/scall64-n32.S
Simple merge

diff --cc arch/parisc/include/asm/unistd.h
Simple merge

diff --cc arch/powerpc/include/asm/unistd.h
Simple merge

diff --cc arch/s390/Kconfig
Simple merge

diff --cc arch/s390/kernel/entry64.S
Simple merge

diff --cc include/linux/sched.h
Simple merge