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Mon, 18 May 2026 06:56:17 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 64I6uDHG45089232 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 18 May 2026 06:56:14 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D92832004E; Mon, 18 May 2026 06:56:13 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 959ED2004F; Mon, 18 May 2026 06:56:12 +0000 (GMT) Received: from li-3f69264c-2ce6-11b2-a85c-c3f414d24014.bl1-in.ibm.com (unknown [9.123.3.209]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 18 May 2026 06:56:12 +0000 (GMT) From: Sayali Patil To: linuxppc-dev@lists.ozlabs.org, maddy@linux.ibm.com Cc: linux-kernel@vger.kernel.org, Ritesh Harjani , Mahesh Salgaonkar Subject: [PATCH v2 0/2] LKDTM powerpc enhancements - Part2 Date: Mon, 18 May 2026 12:26:03 +0530 Message-ID: X-Mailer: git-send-email 2.52.0 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Authority-Analysis: v=2.4 cv=ffCdDUQF c=1 sm=1 tr=0 ts=6a0ab813 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=MKFrxBcpSIOW1YpQlXUA:9 X-Proofpoint-ORIG-GUID: i_3zAT675-O8HNPkAH35XiLLTNdJMxJg X-Proofpoint-GUID: DDPcPMOlm1KQxuKzktCEr30StVgYwlHZ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE4MDA2MiBTYWx0ZWRfX4ftI1OVd25Fb E27LSVgskFimzahsH56c+eGqNX8kM5G9Um5jYHAUIrPEPlQBbM7nkEc+8Arpleui/XDbPUV+kB7 omOLaGeDjZAMVrMmWfzJt74xtiVPhTe3ZKe1vli7brI8vnAuZPpHdh/oTSpLNt1jQa0o2wb5/JX LYHscOpy0j9OMdBTHdUutX2HPXYjnvVFFaWwbxlIblMPrpzAsTp8KrPHLc6xaRLGlBaAT0IC1rM +fqbOsvxacIH52Z5p57bQyQpmNTK6Chn259UbblzMx6kqKbNtPV+FjuOcBpkRbS1G4CO5qHZaTH to33tFR2BKgf/1qCX3JGxocUIFPcD7cmELMNV4h/knzihd9VZRw1IBsbrzu3Ybc8wdlY76WKPQZ JSxSyQwE0KiMpt0lNP6G7nQRSv5roX8/lfXtr8w8JpHhYCTdqE6spKBjqIsQ4eGHZGWLTNyq3+p mQQTfr6X4WhLyvJc2aA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-18_01,2026-05-15_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 phishscore=0 suspectscore=0 adultscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605180062 Hi all, This series adds a new LKDTM trigger PPC_RADIX_TLBIEL, to validate machine check handling on radix MMU systems and improves reliability of the PPC_SLB_MULTIHIT test by adding isync instructions after slbmte operations. Please review the patches and provide any feedback or suggestions for improvement. Thanks, Sayali --- v1->v2 - Split the patch series into two parts. - Updated "lkdtm/powerpc: add PPC_RADIX_TLBIEL test for radix MCE validation" as per review comments: Wrapped Hash-MMU specific functions with #ifdef CONFIG_PPC_64S_HASH_MMU. Guarded powerpc_crashtypes registration with #ifdef CONFIG_PPC_BOOK3S_64 Updated comment explaining the MCE trigger condition for radix MMU. v1: https://lore.kernel.org/all/cover.1778057685.git.sayalip@linux.ibm.com/ --- Sayali Patil (2): lkdtm/powerpc: add isync after slbmte to enforce SLB update ordering lkdtm/powerpc: add PPC_RADIX_TLBIEL test for radix MCE validation drivers/misc/lkdtm/Makefile | 2 +- drivers/misc/lkdtm/core.c | 2 +- drivers/misc/lkdtm/powerpc.c | 49 +++++++++++++++++++++++++ tools/testing/selftests/lkdtm/tests.txt | 1 + 4 files changed, 52 insertions(+), 2 deletions(-) -- 2.52.0