diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c')
| -rw-r--r-- | tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c b/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c index 3e5a6d195e9a..68ce328e813e 100644 --- a/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c +++ b/tools/testing/selftests/powerpc/dscr/dscr_inherit_test.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * POWER Data Stream Control Register (DSCR) fork test * @@ -6,17 +7,13 @@ * value using mfspr. * * When using the privilege state SPR, the instructions such as - * mfspr or mtspr are priviledged and the kernel emulates them - * for us. Instructions using problem state SPR can be exuecuted + * mfspr or mtspr are privileged and the kernel emulates them + * for us. Instructions using problem state SPR can be executed * directly without any emulation if the HW supports them. Else * they also get emulated by the kernel. * * Copyright 2012, Anton Blanchard, IBM Corporation. * Copyright 2015, Anshuman Khandual, IBM Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ #include "dscr.h" @@ -25,6 +22,8 @@ int dscr_inherit(void) unsigned long i, dscr = 0; pid_t pid; + SKIP_IF(!have_hwcap2(PPC_FEATURE2_DSCR)); + srand(getpid()); set_dscr(dscr); |