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| author | Heiko Carstens <hca@linux.ibm.com> | 2020-11-16 08:06:41 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2020-11-23 12:01:13 +0100 |
| commit | 80f06306240e0ad1c75116111be11950474dfda7 (patch) | |
| tree | 99ed304a1c6d26ad408145ba98b83d9fbf807b7f /arch/s390/kernel/vdso64/vdso_user_wrapper.S | |
| parent | 062e527956d05fae02f143c0d5ff9e8525c6799f (diff) | |
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>
Diffstat (limited to 'arch/s390/kernel/vdso64/vdso_user_wrapper.S')
| -rw-r--r-- | arch/s390/kernel/vdso64/vdso_user_wrapper.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/vdso64/vdso_user_wrapper.S b/arch/s390/kernel/vdso64/vdso_user_wrapper.S index a775d7e52872..f773505c7e63 100644 --- a/arch/s390/kernel/vdso64/vdso_user_wrapper.S +++ b/arch/s390/kernel/vdso64/vdso_user_wrapper.S @@ -36,3 +36,4 @@ __kernel_\func: vdso_func gettimeofday vdso_func clock_getres vdso_func clock_gettime +vdso_func getcpu |