Christophe Leroy a1ea0ca8a6 powerpc/selftests: Use gettid() instead of getppid() for null_syscall
gettid() is 10% lighter than getppid(), use it for null_syscall selftest.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0ad62673d3e063f848e7c99d719bb966efd433e8.1622809833.git.christophe.leroy@csgroup.eu
2021-06-17 00:09:10 +10:00
..
2021-05-06 19:24:11 -07:00