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AJvYcCVqI7lyVAoU2s09daMqj1VtowyNcE6dyJ3CoH2/1e5vMmTqJOK40e+LiBNYOwsSIeawbr1EfKCVh4MI71urJhQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yx+/zkthpWJkzUJSrgura6EVB9DLl99zOmKBhb9vVBs4Yj1lShB TMSmju1t8rQucPhYv2gHgkh/UWMLjx96jV/mkAHI4bhZUFXTDoCnciu1xWKDAVr8BYK9Gw634lV f9Xf23ucDIA== X-Google-Smtp-Source: AGHT+IFsGg82gKlzl8tWzntDHJFghDx2t08uXQ7P5idCDRgaVqvqc920eCUSioT9wAdKGGY50Zw9lE7MF0GKww== X-Received: from wmbez7.prod.google.com ([2002:a05:600c:83c7:b0:439:67c6:5642]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a5d:47a7:0:b0:38f:4b15:32fc with SMTP id ffacd0b85a97d-38f4b153521mr12347926f8f.8.1740063826684; Thu, 20 Feb 2025 07:03:46 -0800 (PST) Date: Thu, 20 Feb 2025 15:03:16 +0000 In-Reply-To: <20250220-mm-selftests-v1-0-9bbf57d64463@google.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250220-mm-selftests-v1-0-9bbf57d64463@google.com> X-Mailer: b4 0.15-dev Message-ID: <20250220-mm-selftests-v1-4-9bbf57d64463@google.com> Subject: [PATCH 4/6] selftests/mm: Skip uffd-wp-mremap if userfaultfd not available From: Brendan Jackman To: Lorenzo Stoakes , Andrew Morton , Shuah Khan Cc: Mateusz Guzik , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Brendan Jackman It's obvious that this should fail in that case, but still, save the reader the effort of figuring out that they've run into this by just SKIPping Signed-off-by: Brendan Jackman --- tools/testing/selftests/mm/uffd-wp-mremap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/uffd-wp-mremap.c b/tools/testing/selftests/mm/uffd-wp-mremap.c index 2c4f984bd73caa17e12b9f4a5bb71e7fdf5d8554..c2ba7d46c7b4581a3c32a6b6acd148e3e89c2172 100644 --- a/tools/testing/selftests/mm/uffd-wp-mremap.c +++ b/tools/testing/selftests/mm/uffd-wp-mremap.c @@ -182,7 +182,10 @@ static void test_one_folio(size_t size, bool private, bool swapout, bool hugetlb /* Register range for uffd-wp. */ if (userfaultfd_open(&features)) { - ksft_test_result_fail("userfaultfd_open() failed\n"); + if (errno == ENOENT) + ksft_test_result_skip("userfaultfd not available\n"); + else + ksft_test_result_fail("userfaultfd_open() failed\n"); goto out; } if (uffd_register(uffd, mem, size, false, true, false)) {