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Thu, 12 Mar 2026 22:46:24 +0000 (GMT) Date: Thu, 12 Mar 2026 23:46:22 +0100 From: Vasily Gorbik To: Alexander Gordeev Cc: Madhavan Srinivasan , Michael Ellerman , Pasha Tatashin , Andrew Morton , Heiko Carstens , linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: Re: mm/pgtable: Support for page table check on s390 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: XSb0EpCLqP-VvERd6yxhMyLpIuUmwWro X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEyMDE4MSBTYWx0ZWRfX1dmLEh8veiIG JPH+TX+SKowHwqfzMq52we/QWAIDL+ZWYZX2jNbNGdZowW55EvpX8g/DRRACVzpVxsDhn+zENCd kt+vKYAw/S0oFGmt301uYKsD8hvRqZ8fzz7zhkSDwM+JaLyyhRiAgeGOnJ3hPl8tMmJ3cimrUTc QxD42P4vOhD0rEmJgmsyoBM6UnZ2cuDggfUF1CvtrrM+0LTZMLXqib5gODqi8G5g5/v7TOrtO19 BcefUJ3xyGScJjhjkOzB/bUvD0msMt3gV9bVz0N7NvXQvpjkMyIFQG1IzgLmoPzrwhMTNoxMVFn Y0+8Amm8ExMPHkvoKIs8uraV6X8nzMyL0sT+rQUB8TJBgiVffvSrLfCwlAF1YfotN+3Js3OLFLS gs6mYwnnXZwsfG731r2xvnOUuIsc631T935DNRics0rmn4wCRiCXWx3KSKEofuyW7vZfthOAG16 0tM/zg+0I6iru1bvr5w== X-Proofpoint-GUID: XSb0EpCLqP-VvERd6yxhMyLpIuUmwWro X-Authority-Analysis: v=2.4 cv=XNk9iAhE c=1 sm=1 tr=0 ts=69b34245 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=euGEXw6tGDjZIu8w7pwA:9 a=QEXdDO2ut3YA:10 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=2026-03-12_03,2026-03-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 bulkscore=0 phishscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603120181 X-Rspamd-Queue-Id: 170AD80009 X-Stat-Signature: r4uucetrwyru4bczo9tqiinby5hncig4 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1773355597-543767 X-HE-Meta: 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 hKv5my1o omGXMSKnqESh9wB/lciSlXmCdr758285Miip2iaTmSSNQ3/ZUdx60ZcSD4HuH06yRYmOZwHkzQSjWCtH5wrA8P89GRyOoGSYoFSFjP4H1gtYw1ieJId5AKOOCDnsUrurqXaapdh2c5mJg6pHFwAWRl45BeZ7bonvkEgzyr4Jsjn77fxDR4TSaD4r79EDBUC4BGkzMqUUHovtkFq/kaJ2+T53yz9q3Gk2HODOf7xMjEBuhbLGHTdyfl0FFeFiIqhoeHZWuETaQmz1ilgL8xf3sNWqlh9fKOqo8PMVYGii3L6tHa9k8h6WrkA2VFJQ/pLF1Dk/j Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Mar 06, 2026 at 05:16:29PM +0100, Alexander Gordeev wrote: > Hi All, > > In v7.0-rc1 page table check support for PPC was added, which > conflicted with this series v1. Thus the only change in v2 is > PPC headers update, which still is NOP for non-s390. > > I only did compile test for PPC. > > Thanks! > > Alexander Gordeev (2): > s390/pgtable: Use set_pmd_bit() to invalidate PMD entry > s390: Enable page table check for debug_defconfig > > Tobias Huschle (2): > mm/page_table_check: Pass mm_struct to pxx_user_accessible_page() > s390/pgtable: Add s390 support for page table check > > arch/arm64/include/asm/pgtable.h | 6 +- > arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +- > arch/powerpc/include/asm/book3s/64/pgtable.h | 10 ++-- > arch/powerpc/include/asm/nohash/pgtable.h | 2 +- > arch/powerpc/include/asm/pgtable.h | 4 +- > arch/riscv/include/asm/pgtable.h | 6 +- > arch/s390/Kconfig | 1 + > arch/s390/configs/debug_defconfig | 2 + > arch/s390/include/asm/pgtable.h | 60 +++++++++++++++++--- > arch/x86/include/asm/pgtable.h | 6 +- > mm/page_table_check.c | 15 ++--- > 11 files changed, 80 insertions(+), 34 deletions(-) Applied to the s390 tree, thank you!