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Sat, 16 Aug 2025 07:46:21 -0700 (PDT) Date: Sat, 16 Aug 2025 14:46:21 +0000 From: Wei Yang To: Aboorva Devarajan Cc: akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, shuah@kernel.org, pfalcato@suse.de, david@redhat.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, richard.weiyang@gmail.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, donettom@linux.ibm.com, ritesh.list@gmail.com Subject: Re: [PATCH v4 7/7] selftests/mm: skip hugepage-mremap test if userfaultfd unavailable Message-ID: <20250816144621.3d4ocd44slizboxy@master> Reply-To: Wei Yang References: <20250816040113.760010-1-aboorvad@linux.ibm.com> <20250816040113.760010-8-aboorvad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250816040113.760010-8-aboorvad@linux.ibm.com> User-Agent: NeoMutt/20170113 (1.7.2) On Sat, Aug 16, 2025 at 09:31:13AM +0530, Aboorva Devarajan wrote: >Gracefully skip test if userfaultfd is not supported (ENOSYS) or not >permitted (EPERM), instead of failing. This avoids misleading failures >with clear skip messages. > >-------------- >Before Patch >-------------- >~ running ./hugepage-mremap >... >~ Bail out! userfaultfd: Function not implemented >~ Planned tests != run tests (1 != 0) >~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 >~ [FAIL] >not ok 4 hugepage-mremap # exit=1 > >-------------- >After Patch >-------------- >~ running ./hugepage-mremap >... >~ ok 2 # SKIP userfaultfd is not supported/not enabled. >~ 1 skipped test(s) detected. >~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0 >~ [SKIP] >ok 4 hugepage-mremap # SKIP > >Co-developed-by: Donet Tom >Signed-off-by: Donet Tom >Acked-by: David Hildenbrand >Reviewed-by: Zi Yan >Signed-off-by: Aboorva Devarajan Reviewed-by: Wei Yang -- Wei Yang Help you, Help me