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{ "id": 816297, "url": "http://patchwork.ozlabs.org/api/covers/816297/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/cover.1505244765.git.joseph.salisbury@canonical.com/", "project": { "id": 15, "url": "http://patchwork.ozlabs.org/api/projects/15/?format=api", "name": "Ubuntu Kernel", "link_name": "ubuntu-kernel", "list_id": "kernel-team.lists.ubuntu.com", "list_email": "kernel-team@lists.ubuntu.com", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<cover.1505244765.git.joseph.salisbury@canonical.com>", "list_archive_url": null, "date": "2017-09-20T15:17:16", "name": "[SRU,Zesty,0/2] Fixes for LP:1716491", "submitter": { "id": 7793, "url": "http://patchwork.ozlabs.org/api/people/7793/?format=api", "name": "Joseph Salisbury", "email": "joseph.salisbury@canonical.com" }, "mbox": "http://patchwork.ozlabs.org/project/ubuntu-kernel/cover/cover.1505244765.git.joseph.salisbury@canonical.com/mbox/", "series": [ { "id": 4145, "url": "http://patchwork.ozlabs.org/api/series/4145/?format=api", "web_url": "http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=4145", "date": "2017-09-20T15:17:17", "name": "Fixes for LP:1716491", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/4145/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/816297/comments/", "headers": { "Return-Path": "<kernel-team-bounces@lists.ubuntu.com>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.ubuntu.com\n\t(client-ip=91.189.94.19; helo=huckleberry.canonical.com;\n\tenvelope-from=kernel-team-bounces@lists.ubuntu.com;\n\treceiver=<UNKNOWN>)", "Received": [ "from huckleberry.canonical.com (huckleberry.canonical.com\n\t[91.189.94.19])\n\tby ozlabs.org (Postfix) with ESMTP id 3xy3JQ1Vlrz9s7B;\n\tThu, 21 Sep 2017 01:17:26 +1000 (AEST)", "from localhost ([127.0.0.1] helo=huckleberry.canonical.com)\n\tby huckleberry.canonical.com with esmtp (Exim 4.86_2)\n\t(envelope-from <kernel-team-bounces@lists.ubuntu.com>)\n\tid 1dugkc-0003gp-CK; Wed, 20 Sep 2017 15:17:22 +0000", "from youngberry.canonical.com ([91.189.89.112])\n\tby huckleberry.canonical.com with esmtps\n\t(TLS1.0:DHE_RSA_AES_128_CBC_SHA1:128)\n\t(Exim 4.86_2) (envelope-from <joseph.salisbury@canonical.com>)\n\tid 1dugkZ-0003ec-Uf\n\tfor kernel-team@lists.ubuntu.com; Wed, 20 Sep 2017 15:17:19 +0000", "from 1.general.jsalisbury.us.vpn ([10.172.67.212] helo=salisbury)\n\tby youngberry.canonical.com with esmtpsa\n\t(TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.76) (envelope-from <joseph.salisbury@canonical.com>)\n\tid 1dugkZ-0002S6-KC\n\tfor kernel-team@lists.ubuntu.com; Wed, 20 Sep 2017 15:17:19 +0000", "by salisbury (Postfix, from userid 1000)\n\tid 9A31E7E2809; Wed, 20 Sep 2017 11:17:18 -0400 (EDT)" ], "From": "Joseph Salisbury <joseph.salisbury@canonical.com>", "To": "kernel-team@lists.ubuntu.com", "Subject": "[SRU][Zesty][PATCH 0/2] Fixes for LP:1716491 ", "Date": "Wed, 20 Sep 2017 11:17:16 -0400", "Message-Id": "<cover.1505244765.git.joseph.salisbury@canonical.com>", "X-Mailer": "git-send-email 2.7.4", "X-BeenThere": "kernel-team@lists.ubuntu.com", "X-Mailman-Version": "2.1.20", "Precedence": "list", "List-Id": "Kernel team discussions <kernel-team.lists.ubuntu.com>", "List-Unsubscribe": "<https://lists.ubuntu.com/mailman/options/kernel-team>,\n\t<mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe>", "List-Archive": "<https://lists.ubuntu.com/archives/kernel-team>", "List-Post": "<mailto:kernel-team@lists.ubuntu.com>", "List-Help": "<mailto:kernel-team-request@lists.ubuntu.com?subject=help>", "List-Subscribe": "<https://lists.ubuntu.com/mailman/listinfo/kernel-team>,\n\t<mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "kernel-team-bounces@lists.ubuntu.com", "Sender": "\"kernel-team\" <kernel-team-bounces@lists.ubuntu.com>" }, "content": "BugLink: http://bugs.launchpad.net/bugs/1716491\n\n\n== SRU Justification ==\nThe current Zesty kernel does not enable marked events on Power9. The \nfollowing fixes are required:\n\n101dd590a7fa (\"powerpc/perf: Avoid spurious PMU interrupts after idle\")\n09539f9b1236 (\"powerpc/perf: POWER9 PMU stops after idle workaround\")\n \nCommit 101dd590a7fa was added to mainline in v4.13-rc3 and commit 09539f9b1236 \nwas added in v4.13-rc4. \n\n \n== Fixes ==\ncommit 101dd590a7fa37954540cf3149a1c502c0acc524\nAuthor: Nicholas Piggin <npiggin@gmail.com>\nDate: Mon Jul 10 16:19:38 2017 +1000\n\n powerpc/perf: Avoid spurious PMU interrupts after idle\n\ncommit 09539f9b123652e969894d6299ae0df2fe12cb5d\nAuthor: Nicholas Piggin <npiggin@gmail.com>\nDate: Thu Jul 20 11:53:22 2017 +1000\n\n powerpc/perf: POWER9 PMU stops after idle workaround\n\n\n== Regression Potential ==\nLow, since these commits are specific to powerpc.\n\n== Test Case ==\nA test kernel was built with these patches and tested by the original bug reporter.\nThe bug reporter states the test kernel resolved the bug.\n\n powerpc/perf: Avoid spurious PMU interrupts after idle\n powerpc/perf: POWER9 PMU stops after idle workaround\n\n arch/powerpc/kernel/idle_book3s.S | 21 ++++++++++++++++++++-\n 1 file changed, 20 insertions(+), 1 deletion(-)" }