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Wed, 17 Apr 2024 11:23:49 +0000 (GMT) Received: from bgray-lenovo-p15.ibmuc.com (unknown [9.36.21.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id 167C1600D6; Wed, 17 Apr 2024 21:23:47 +1000 (AEST) From: Benjamin Gray To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v1 6/9] selftests/powerpc/dexcr: Attempt to enable NPHIE in hashchk selftest Date: Wed, 17 Apr 2024 21:23:22 +1000 Message-ID: <20240417112325.728010-7-bgray@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240417112325.728010-1-bgray@linux.ibm.com> References: <20240417112325.728010-1-bgray@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: k8jnfjuRsTc9qOLRBYOC9OF_0zauPoTv X-Proofpoint-GUID: k8jnfjuRsTc9qOLRBYOC9OF_0zauPoTv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-17_08,2024-04-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 suspectscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 impostorscore=0 mlxscore=0 adultscore=0 mlxlogscore=958 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2404010000 definitions=main-2404170078 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Benjamin Gray Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 --- tools/testing/selftests/powerpc/dexcr/hashchk_test.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) 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; }