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b=V5Tn6BZJLkxVItaPfGtZTeio2YPQv0sF8JqMvvYBNPsA+qPaNDRenlKs/s836974k qsTr8puf4xA6xFW00rVJXpAh43IXBail89YZzVeuxVqk817zVGM84AHJD+nZfh+GYX 5j81OJNXC8mbtvk/6gsvMKN/LQHLh/65mbf2rYmw= Date: Wed, 8 Jul 2026 22:57:58 -0700 From: Andrew Morton To: Kiryl Shutsemau Cc: rppt@kernel.org, peterx@redhat.com, david@kernel.org, ljs@kernel.org, surenb@google.com, vbabka@kernel.org, Liam.Howlett@oracle.com, ziy@nvidia.com, corbet@lwn.net, skhan@linuxfoundation.org, seanjc@google.com, pbonzini@redhat.com, jthoughton@google.com, aarcange@redhat.com, sj@kernel.org, usama.arif@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, kvm@vger.kernel.org, kernel-team@meta.com, kas@kernel.org Subject: Re: [PATCH v10 14/15] selftests/mm: add userfaultfd RWP tests Message-Id: <20260708225758.0c8bcf16598f82d84ea7f71f@linux-foundation.org> In-Reply-To: <20260708111417.173443-15-kirill@shutemov.name> References: <20260708111417.173443-1-kirill@shutemov.name> <20260708111417.173443-15-kirill@shutemov.name> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 16D6B140009 X-Stat-Signature: z36tx43pgop9rmphe4iz55pww8kptxgj X-HE-Tag: 1783576680-736949 X-HE-Meta: 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 3SmZuMM/ 6S1AWPYRTWwoDfRe9M5EFyXhBjiKZhK44rXQXVufvHN5G/0LCEcQIQPyfHFwCwfqCvBXa6OeaMy3VjhX5P5ZnoOlVyDeZ09BcWIG2eNDtf+5oWQoU0b3qIrtuEnMtx2uPf3aQ2tKNWEajmaOjOXU0icfMcENALvh1rc53y7jWF1dqjzCoeSU93NTrkveConMr2jndSjeMSIxPiddZozbAzoqoAfliNfAD71UO2WNmObq0H1MGni4oxTGXGOPD0FY1V4MsxitQpL1GN4AHcQys/EFDKNM6b7us0dTVg+sD2QOW/KTw05iehyF/1L31ElBg3JAhgnXdQvoLJAQA2Oj3/anwfUSbQImbAfOE Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 8 Jul 2026 12:14:15 +0100 Kiryl Shutsemau wrote: > Coverage for UFFDIO_REGISTER_MODE_RWP and UFFDIO_RWPROTECT: I'm getting selftests build errors: uffd-unit-tests.c: In function ‘uffd_register_rwp’: uffd-unit-tests.c:624:25: error: ‘UFFDIO_REGISTER_MODE_RWP’ undeclared (first use in this function); did you mean ‘UFFDIO_REGISTER_MODE_WP’? 624 | .mode = UFFDIO_REGISTER_MODE_RWP, | ^~~~~~~~~~~~~~~~~~~~~~~~ | UFFDIO_REGISTER_MODE_WP uffd-unit-tests.c:624:25: note: each undeclared identifier is reported only once Seems that tools/include/uapi/linux/userfaultfd.h needs updates from include/uapi/linux/userfaultfd.h? I'll disable this patch for now.