Heiko Carstens 80f0630624 s390/vdso: reimplement getcpu vdso syscall ...

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 <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

2020-11-23 12:01:13 +01:00

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