linux-dev/arch/s390/kernel/vdso64/getcpu.c, branch linus/master

s390/vdso: use union tod_clock

2021-02-13T16:17:54Z

Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik

s390/vdso: add missing prototypes for vdso functions

2020-11-30T13:10:50Z

clang W=1 warns about missing prototypes: >> arch/s390/kernel/vdso64/getcpu.c:8:5: warning: no previous prototype for function '__s390_vdso_getcpu' [-Wmissing-prototypes] int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused) ^ Add a local header file in order to get rid of this warnings. Reported-by: kernel test robot Signed-off-by: Heiko Carstens

s390/vdso: reimplement getcpu vdso syscall

2020-11-23T11:01:13Z

Implement the previously removed getcpu vdso syscall by using the TOD programmable field to pass the cpu number to user space. Reviewed-by: Sven Schnelle Signed-off-by: Heiko Carstens