diff options
| author | Benjamin Gray <[email protected]> | 2024-04-17 21:23:22 +1000 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2024-05-06 22:05:17 +1000 |
| commit | 9930fba02a1c587849aea1e6c5688168013c065f (patch) | |
| tree | b0ef06f670a0ba8c11253d6db58cad1ccd7375c0 | |
| parent | 5bfa66bf86d792bbcc76bc09cf99a2ae9d6e0eec (diff) | |
selftests/powerpc/dexcr: Attempt to enable NPHIE in hashchk selftest
Now that a process can control its DEXCR to some extent, make the
hashchk tests more reliable by explicitly setting the local and onexec
NPHIE aspect.
Signed-off-by: Benjamin Gray <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://msgid.link/[email protected]
| -rw-r--r-- | tools/testing/selftests/powerpc/dexcr/hashchk_test.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/dexcr/hashchk_test.c b/tools/testing/selftests/powerpc/dexcr/hashchk_test.c index 7d5658c9ebe4..645224bdc142 100644 --- a/tools/testing/selftests/powerpc/dexcr/hashchk_test.c +++ b/tools/testing/selftests/powerpc/dexcr/hashchk_test.c @@ -21,8 +21,14 @@ static int require_nphie(void) { SKIP_IF_MSG(!dexcr_exists(), "DEXCR not supported"); + + pr_set_dexcr(PR_PPC_DEXCR_NPHIE, PR_PPC_DEXCR_CTRL_SET | PR_PPC_DEXCR_CTRL_SET_ONEXEC); + + if (get_dexcr(EFFECTIVE) & DEXCR_PR_NPHIE) + return 0; + SKIP_IF_MSG(!(get_dexcr(EFFECTIVE) & DEXCR_PR_NPHIE), - "DEXCR[NPHIE] not enabled"); + "Failed to enable DEXCR[NPHIE]"); return 0; } |