From patchwork Wed Mar 1 21:48:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Streetman X-Patchwork-Id: 734378 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) by ozlabs.org (Postfix) with ESMTP id 3vYTcj0BQXz9s7q; Thu, 2 Mar 2017 08:49:41 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.76) (envelope-from ) id 1cjC7p-0000s1-RL; Wed, 01 Mar 2017 21:49:33 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1cjC7k-0000rt-V6 for kernel-team@lists.ubuntu.com; Wed, 01 Mar 2017 21:49:28 +0000 Received: from 45-27-90-188.lightspeed.rlghnc.sbcglobal.net ([45.27.90.188] helo=toughbook.lan) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1cjC7k-0006B1-Gm; Wed, 01 Mar 2017 21:49:28 +0000 From: Dan Streetman To: kernel-team@lists.ubuntu.com Subject: [aws][PATCHv2] UBUNTU: [Config] AWS: CONFIG_XEN_BALLOON=n Date: Wed, 1 Mar 2017 16:48:52 -0500 Message-Id: <20170301214852.13881-1-dan.streetman@canonical.com> X-Mailer: git-send-email 2.9.3 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.14 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-bounces@lists.ubuntu.com BugLink: http://bugs.launchpad.net/bugs/1668129 Disable XEN_BALLOON, as ballooning is not used by AWS and it causes problems when the guest uses the memory in the balloon region; e.g. for DMA with a hypervisor-provided NVMe device, because the hypervisor is not expecting DMA to/from the physical pages in the ballooned region. Signed-off-by: Dan Streetman --- debian.aws/config/config.common.ubuntu | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/debian.aws/config/config.common.ubuntu b/debian.aws/config/config.common.ubuntu index 5456c6b..d546b71 100644 --- a/debian.aws/config/config.common.ubuntu +++ b/debian.aws/config/config.common.ubuntu @@ -5424,9 +5424,7 @@ CONFIG_XEN_ACPI=y CONFIG_XEN_ACPI_PROCESSOR=y CONFIG_XEN_AUTO_XLATE=y CONFIG_XEN_BACKEND=y -CONFIG_XEN_BALLOON=y -CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y -CONFIG_XEN_BALLOON_MEMORY_HOTPLUG_LIMIT=512 +# CONFIG_XEN_BALLOON is not set CONFIG_XEN_BLKDEV_BACKEND=m CONFIG_XEN_BLKDEV_FRONTEND=y CONFIG_XEN_COMPAT_XENFS=y @@ -5448,10 +5446,8 @@ CONFIG_XEN_PRIVCMD=m CONFIG_XEN_PVH=y CONFIG_XEN_PVHVM=y CONFIG_XEN_SAVE_RESTORE=y -CONFIG_XEN_SCRUB_PAGES=y CONFIG_XEN_SCSI_BACKEND=m CONFIG_XEN_SCSI_FRONTEND=m -CONFIG_XEN_SELFBALLOONING=y CONFIG_XEN_SYMS=y CONFIG_XEN_SYS_HYPERVISOR=y CONFIG_XEN_TMEM=m