| commit | 249c543b97e1409b13fb9539b2f880e58ddd87cf | [log] [tgz] |
|---|---|---|
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | Tue Jan 05 13:29:38 2016 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Mon Jan 11 13:01:24 2016 +0100 |
| tree | 956a0719238b56b8dffa3877d3fe3eb5c27df9f4 | |
| parent | 0dab3e0e59ac3692e2f95cb37ba17d5dfb3d1e5f [diff] |
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>