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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 92F24C5B552 for ; Tue, 10 Jun 2025 14:18:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id EBA3B6B0089; Tue, 10 Jun 2025 10:18:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E935E6B008C; Tue, 10 Jun 2025 10:18:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DD1336B0095; Tue, 10 Jun 2025 10:18:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id BFA986B0089 for ; Tue, 10 Jun 2025 10:18:33 -0400 (EDT) Received: from smtpin12.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 7A484BFF74 for ; Tue, 10 Jun 2025 14:18:33 +0000 (UTC) X-FDA: 83539696506.12.02E1575 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf30.hostedemail.com (Postfix) with ESMTP id AD0968000F for ; Tue, 10 Jun 2025 14:18:31 +0000 (UTC) Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MMRb5GfW; spf=pass (imf30.hostedemail.com: domain of broonie@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=broonie@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1749565111; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding:in-reply-to: references:dkim-signature; bh=Hkow9p8l18FpmKm3mopOZdveRL6rXi737ry2p3CmG9U=; b=X0ETANBirnsfk/+mF7LYNtW656vK8GDPX+AhiFcJej8Gwe4xhAU7NpBK/GTsp+uvpBEfiv B4rLATNBOugfvm/Cjs4HvWTVllfVZN0KkbxPiy1kIoqucoF74tDx0UfSlmiE/eApsVxgzA k8c0aK3igQu3cq9YZf0Vtj7v6zcpK64= ARC-Authentication-Results: i=1; imf30.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=MMRb5GfW; spf=pass (imf30.hostedemail.com: domain of broonie@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=broonie@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1749565111; a=rsa-sha256; cv=none; b=AuyYrDgheSBBPZkrub+HhOL7BTQ3XcGta8CnrEKw+pe8M8t2eyifrBlVfePTWBrBn+ORHq wJEE4ZBX45/fpvP4qFWyc+zBvBROXYOuCbPhOIF3Q6NnjyNkRcfjnykJvJDkMSL0S+tGTh qkvI58leWDUG38aNLJtYDSYkoxixdwQ= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id CAC305C4D62; Tue, 10 Jun 2025 14:16:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D228EC4CEEF; Tue, 10 Jun 2025 14:18:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749565110; bh=u8FNrxh7KLr6piF5dxxI2H71xzGyVTEMkyEYsDM9G28=; h=From:Subject:Date:To:Cc:From; b=MMRb5GfWg5GNw4XvU3GHrpx8FM6LQ+qzQDfRrFvQ9oIy91BNFPXoOI2Rnr0Ik6kCU agcIcYQU1G1L9nZ3E9AaEbYVRUGvqCiYV6BBXvlDkBify15EdFHleLYeaGnIWb5YCK 087LzXPaVnkZan1VXCm/rBZsWDvNf8D/AE3+SfYiHjCJhHP0QUzj55ZaK4/eaqVAlv nOlk96v5FdZ6F2ZtXqfrU465Ftrg/kf89P7GlT6zttKF+k2FaBgtnYPrpt/62dQ51e fsI+odjIMezhrInp3nWDj9Cw7urUWy7NgByDemRRQXJ6q/i5Z516puiQ2Wri08HD4V LPnMuSsi2NvCA== From: Mark Brown Subject: [PATCH 0/4] selftests/mm: Tweaks to the cow test Date: Tue, 10 Jun 2025 15:13:53 +0100 Message-Id: <20250610-selftest-mm-cow-tweaks-v1-0-43cd7457500f@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAKE9SGgC/x3MSwqDQBBF0a1IjVPQHxTMViQDbZ+mSPzQ1agg7 t3G4Rnce5IiCpTexUkRm6gsc4Z9FRS+7TyCpc8mZ1xpKuNZ8R8SNPE0cVh2Tjvan7KxdR1K613 nQTleIwY5nnHzua4bXfvzYWgAAAA= X-Change-ID: 20250603-selftest-mm-cow-tweaks-0199c5132b3e To: Andrew Morton , Shuah Khan , David Hildenbrand Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=696; i=broonie@kernel.org; h=from:subject:message-id; bh=u8FNrxh7KLr6piF5dxxI2H71xzGyVTEMkyEYsDM9G28=; b=owGbwMvMwMWocq27KDak/QLjabUkhgwPuw1G1d7aCTrZBpt4X815He+3jVsqxNQtLOuVSe6FkA0T ttd2MhqzMDByMciKKbKsfZaxKj1cYuv8R/NfwQxiZQKZwsDFKQATmbWN/b9Hrq/CQ0U93R0q2jZOCw q3afowpHn5e1r1+3hYT0y6obpX1qQuk+/g3p6M6/fW5lyd4dG6dr3TylClRpvTsp8k+eVeX2Hh2yNe HsRRv8hd8dBH3jdSrI8YOyfx/RH6v/Cx1vY9LwKuHwhIYgxq5Z5amMbTf8Po3U+GaUyzgz+1tObUyF om+wqlnyzSfrXZ+JXw7Tlv4xZ33NO6rLhRdKJs3Ny01ZOi9q/LV3q9VuSJ6+tps9aK5eYpPX07b6Pl I551nBL+gdMfyfVyXzcSy9ygNlvWT9VXev/qWC4WdvVD//6+qry/Y7HFm8D6dutdBg0sDlyXmL9pV1 jVb2c53nYiaHbABRu+89ezxb39AA== X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: AD0968000F X-Stat-Signature: kaoxyf5s8r1zp1wrexbmy6sjb8z4nhjq X-Rspam-User: X-HE-Tag: 1749565111-152401 X-HE-Meta: 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 aMl4bq92 hwQfDce0IkL9wWDPIOXr3K091oddrR+QcsXXltTSdlPYSr6BtayXwTG5AN4VlsEoEc1QCfyu46ZHX9Hz4X23WBOYQJiMlepmuR6x6lamlfZwlXPGhCjzjZHErJs0icNXoZ3TLIVaUvu+K57nIkFQYYeGTVm1GIav6G3APYUAxQAEilZZ484uh1dAl8Sc1HyR21ZpzrUtou7T6F2X20WynacCTtBoRi0WBWAvx9FTEBUsF0U13h1Di0+h3EA== 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: List-Subscribe: List-Unsubscribe: A collection of non-functional updates from David Hildenbrand's review. Signed-off-by: Mark Brown --- Mark Brown (4): kselftest/mm: Clarify errors for pipe() selftests/mm: Convert some cow error reports to ksft_perror() selftests/mm: Don't compare return values to in cow selftests/mm: Add messages about test errors to the cow tests tools/testing/selftests/mm/cow.c | 44 +++++++++++++++++++++++++--------------- 1 file changed, 28 insertions(+), 16 deletions(-) --- base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494 change-id: 20250603-selftest-mm-cow-tweaks-0199c5132b3e Best regards, -- Mark Brown