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Mon, 07 Dec 2020 18:47:13 -0800 (PST) Received: from localhost.localdomain ([142.126.83.202]) by smtp.gmail.com with ESMTPSA id n95sm13778744qte.43.2020.12.07.18.47.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 18:47:12 -0800 (PST) From: Peter Xu To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Andrea Arcangeli , Andrew Morton , peterx@redhat.com, Mike Rapoport Subject: [PATCH 1/3] userfaultfd/selftests: Always dump something in modes Date: Mon, 7 Dec 2020 21:47:07 -0500 Message-Id: <20201208024709.7701-2-peterx@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201208024709.7701-1-peterx@redhat.com> References: <20201208024709.7701-1-peterx@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=peterx@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: BOUNCE_POLL is a special bit that if cleared it means "READ" instead. Du= mp that too otherwise we'll see tests with empty modes. Signed-off-by: Peter Xu --- tools/testing/selftests/vm/userfaultfd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/sel= ftests/vm/userfaultfd.c index 61e5cfeb1350..31f470d12d0b 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -1230,6 +1230,8 @@ static int userfaultfd_stress(void) printf(" ver"); if (bounces & BOUNCE_POLL) printf(" poll"); + else + printf(" read"); printf(", "); fflush(stdout); =20 --=20 2.26.2