From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA867C0015E for ; Mon, 17 Jul 2023 17:22:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230319AbjGQRWj (ORCPT ); Mon, 17 Jul 2023 13:22:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229904AbjGQRWg (ORCPT ); Mon, 17 Jul 2023 13:22:36 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE9191AC; Mon, 17 Jul 2023 10:22:35 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4D74A61018; Mon, 17 Jul 2023 17:22:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6517BC433C8; Mon, 17 Jul 2023 17:22:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1689614554; bh=rJXSMbXopHvzaOfxutArZHo4YpzR2mCSg0JUfvuSo4s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MQkRFGtGNL8T040HYhnYUjPCQxbvFtQ/z6Fi4MkctAqMvaJytUL5Iz0z+URs/jaV0 +CzsoymzCfwuPz5PwZW/2d2KyapSIeC1rq6CpZ6pkR/RYpjc3MVOFEa+oDaoEAW8oV /dQpwIJKlCUof4mK7W+JeksIimG4ixiz8kwpa0FGrNAS4Lt8Kgn4QsKL7Opcpz0T4+ 53p1q2gnLgDcDpC5Nac/Kol2gvBjRqLBRfutheSeNmJZFB6vEac6p0B8FWljCTob1J glGfodVUXJ/DPRhBG/SKBXzhuy9TO7QJT66N3N8tynSSptzBd9RsyXMmEKuCBUJIEu jpgfzlwv6nNaA== Date: Mon, 17 Jul 2023 18:22:29 +0100 From: Mark Brown To: Ryan Roberts Cc: Andrew Morton , Shuah Khan , =?iso-8859-1?B?Suly9G1l?= Glisse , David Hildenbrand , John Hubbard , Florent Revest , Peter Xu , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v2 1/8] selftests: Line buffer test program's stdout Message-ID: <180a7944-2b35-4fc4-a1b4-e93b45c52247@sirena.org.uk> References: <20230717103152.202078-1-ryan.roberts@arm.com> <20230717103152.202078-2-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3rH2O9kFg8eWmXkE" Content-Disposition: inline In-Reply-To: <20230717103152.202078-2-ryan.roberts@arm.com> X-Cookie: Not a flying toy. Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --3rH2O9kFg8eWmXkE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Jul 17, 2023 at 11:31:45AM +0100, Ryan Roberts wrote: > The selftests runner pipes the test program's stdout to tap_prefix. The > presence of the pipe means that the test program sets its stdout to be > fully buffered (as aposed to line buffered when directly connected to > the terminal). The block buffering means that there is often content in Reviewed-by: Mark Brown --3rH2O9kFg8eWmXkE Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmS1eNQACgkQJNaLcl1U h9CxrQf/aTBtyZVA84+LhCY4xEOt9mFkBSgx0gaWyZyFJ20HdfstopxPffmapASL fEM4sEF93ITJ+Zh+p9n940WlZm/0rDBAHxWQW0WX4Gq5qQBWeo5N9n60k4b+sMux YdW5Q+Iea1lABda8jd2+VXXeNs/O98RuzbxHufDErLtMeXzofynzcoeBXFaNm4/v JcjbOJrmBEVCsIKJIrtqTAO0Qj3Tadc+9sjmnqCv5b+w/9yjNCF1SL3lK60iBlHr FELwmtvF/IeZC2SfJjD9Xh69b7qG3qHYXoe4jnppkY7j8HcSqK/twpLGI+CYeR72 cCD5HaYcGabeOJyezTTesdZZhx7j1w== =9cXt -----END PGP SIGNATURE----- --3rH2O9kFg8eWmXkE--