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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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260312_154641_482707_1B65BCEF X-CRM114-Status: GOOD ( 16.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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!