From patchwork Thu Sep 20 09:31:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Salisbury X-Patchwork-Id: 972269 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42GBMQ0Hwmz9s4Z; Thu, 20 Sep 2018 19:32:02 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1g2vJT-0005DY-Ly; Thu, 20 Sep 2018 09:31:55 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.86_2) (envelope-from ) id 1g2vJS-0005DB-6i for kernel-team@lists.ubuntu.com; Thu, 20 Sep 2018 09:31:54 +0000 Received: from 1.general.jsalisbury.us.vpn ([10.172.67.212] helo=salisbury) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1g2vJR-0000y8-Q9 for kernel-team@lists.ubuntu.com; Thu, 20 Sep 2018 09:31:53 +0000 Received: by salisbury (Postfix, from userid 1000) id 350B67E0984; Thu, 20 Sep 2018 11:31:52 +0200 (CEST) From: Joseph Salisbury To: kernel-team@lists.ubuntu.com Subject: [SRU][Bionic][Cosmic][PATCH 0/1] s390/qeth: use vzalloc for QUERY OAT buffer Date: Thu, 20 Sep 2018 11:31:51 +0200 Message-Id: X-Mailer: git-send-email 2.17.1 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/1793086 == SRU Justification == IBM reports the qethqoat tool fails. qeth_query_oat_command() currently allocates the kernel buffer for the SIOC_QETH_QUERY_OAT ioctl with kzalloc. This commit will cause the use of vzalloc() instead of kzalloc(), backing the allocation with non-contiguous memory. Xenial also needs this commit, but requres a slightly different backport. It's SRU will be sent separate. == Fix == aec45e857c55 ("s390/qeth: use vzalloc for QUERY OAT buffer") == Regression Potential == Low, limited to s390. == Test Case == IBM verified testing of this commit up-front. Wenjia Zhang (1): s390/qeth: use vzalloc for QUERY OAT buffer drivers/s390/net/qeth_core_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)