2 Commits

Author	SHA1	Message	Date
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
Martin Schwidefsky	b020632e40	[S390] introduce vdso on s390 ... Add a vdso to speed up gettimeofday and clock_getres/clock_gettime for CLOCK_REALTIME/CLOCK_MONOTONIC. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>	2008-12-25 13:38:55 +01:00