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AJvYcCVSK6v2PGXtXUsdRjgvGS86Je7qE7dg1QijvvOCXLsLwsCnwZyZUTqCptDXg8UGqr/w1ewYf02IcLFl1e8=@vger.kernel.org X-Gm-Message-State: AOJu0YypJh/6JAaS198bPgJ5vdx7aMFutPmu0p/KQQbCYSZsOzH7EvB/ CVLjV4rXcQ5yiOz183sn6+IlVMAxKNZFDz0CcdbdBLPWOiojV5iqw+g5I/dxKxMU0Leu4qiscdm EkkqClTTUiw== X-Google-Smtp-Source: AGHT+IGSV21QBYLlvs34tFS6Vj4C4TFSxgnu4bOOKFjZdG2VcNI1hO3z4RNOQPjlkVLg4FfQFOtvmKJGtJlrQA== X-Received: from wmpz16.prod.google.com ([2002:a05:600c:a10:b0:43c:ee49:c14d]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:46cd:b0:43c:ee3f:2c3 with SMTP id 5b1f17b1804b1-43cee3f0578mr100814485e9.7.1741699104325; Tue, 11 Mar 2025 06:18:24 -0700 (PDT) Date: Tue, 11 Mar 2025 13:18:14 +0000 In-Reply-To: <20250311-mm-selftests-v4-0-dec210a658f5@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250311-mm-selftests-v4-0-dec210a658f5@google.com> X-Mailer: b4 0.14.2 Message-ID: <20250311-mm-selftests-v4-3-dec210a658f5@google.com> Subject: [PATCH v4 03/12] selftests/mm: Skip uffd-wp-mremap if userfaultfd not available From: Brendan Jackman To: Lorenzo Stoakes , Andrew Morton , Shuah Khan Cc: Dev Jain , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Brendan Jackman Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable 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 Reviewed-by: Dev Jain 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/se= lftests/mm/uffd-wp-mremap.c index 2c4f984bd73caa17e12b9f4a5bb71e7fdf5d8554..c2ba7d46c7b4581a3c32a6b6acd= 148e3e89c2172 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 =20 /* Register range for uffd-wp. */ if (userfaultfd_open(&features)) { - ksft_test_result_fail("userfaultfd_open() failed\n"); + if (errno =3D=3D 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)) { --=20 2.49.0.rc0.332.g42c0ae87b1-goog