linux/arch/s390/kernel/vdso64
Martin Schwidefsky 249c543b97 s390/vdso: optimize getcpu system call
Add the CPU number to the per-cpu vdso data page and add the
__kernel_getcpu function to the vdso object to retrieve the
CPU number in user space.

Suggested-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-01-11 13:01:24 +01:00
..
.gitignore
Makefile s390/vdso: optimize getcpu system call 2016-01-11 13:01:24 +01:00
clock_getres.S
clock_gettime.S
getcpu.S s390/vdso: optimize getcpu system call 2016-01-11 13:01:24 +01:00
gettimeofday.S
note.S
vdso64.lds.S s390/vdso: optimize getcpu system call 2016-01-11 13:01:24 +01:00
vdso64_wrapper.S