Cover Letter Detail
Show a cover letter.
GET /api/covers/813788/?format=api
{ "id": 813788, "url": "http://patchwork.ozlabs.org/api/covers/813788/?format=api", "web_url": "http://patchwork.ozlabs.org/project/skiboot/cover/20170914111346.11970-1-npiggin@gmail.com/", "project": { "id": 44, "url": "http://patchwork.ozlabs.org/api/projects/44/?format=api", "name": "skiboot firmware development", "link_name": "skiboot", "list_id": "skiboot.lists.ozlabs.org", "list_email": "skiboot@lists.ozlabs.org", "web_url": "http://github.com/open-power/skiboot", "scm_url": "http://github.com/open-power/skiboot", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170914111346.11970-1-npiggin@gmail.com>", "list_archive_url": null, "date": "2017-09-14T11:13:41", "name": "[0/5] POWER9 idle pm support", "submitter": { "id": 69518, "url": "http://patchwork.ozlabs.org/api/people/69518/?format=api", "name": "Nicholas Piggin", "email": "npiggin@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/skiboot/cover/20170914111346.11970-1-npiggin@gmail.com/mbox/", "series": [ { "id": 3075, "url": "http://patchwork.ozlabs.org/api/series/3075/?format=api", "web_url": "http://patchwork.ozlabs.org/project/skiboot/list/?series=3075", "date": "2017-09-14T11:13:41", "name": "POWER9 idle pm support", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/3075/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/813788/comments/", "headers": { "Return-Path": "<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "skiboot@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "skiboot@lists.ozlabs.org" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xtGBh0NCnz9s7v\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 14 Sep 2017 21:14:20 +1000 (AEST)", "from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3xtGBg4z72zDrFs\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 14 Sep 2017 21:14:19 +1000 (AEST)", "from mail-pg0-x243.google.com (mail-pg0-x243.google.com\n\t[IPv6:2607:f8b0:400e:c05::243])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3xtGBS1Y1qzDrCn\n\tfor <skiboot@lists.ozlabs.org>; Thu, 14 Sep 2017 21:14:07 +1000 (AEST)", "by mail-pg0-x243.google.com with SMTP id j16so1537170pga.2\n\tfor <skiboot@lists.ozlabs.org>; Thu, 14 Sep 2017 04:14:07 -0700 (PDT)", "from roar.au.ibm.com (203-219-56-202.tpgi.com.au. [203.219.56.202])\n\tby smtp.gmail.com with ESMTPSA id\n\tc2sm29289224pgq.61.2017.09.14.04.14.01\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tThu, 14 Sep 2017 04:14:04 -0700 (PDT)" ], "Authentication-Results": [ "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"l3cID9+n\"; dkim-atps=neutral", "lists.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"l3cID9+n\"; dkim-atps=neutral", "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gmail.com\n\t(client-ip=2607:f8b0:400e:c05::243; helo=mail-pg0-x243.google.com;\n\tenvelope-from=npiggin@gmail.com; receiver=<UNKNOWN>)", "lists.ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"l3cID9+n\"; dkim-atps=neutral" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id;\n\tbh=anDwgcZUUOO8u6WK1QHC3TX9gNKc2ZL1kBg3nVLzrxE=;\n\tb=l3cID9+npyZfSZcAxDMkl8l/b7UWwcnsZv33yzgNgVDgu8EFTqE99CNkbSBBCswDZZ\n\tnhisC+pDkmfg5UZLIkN9FDHj9gp7DH1ytdCRfl0Nx8Vx9Dhio3mfKEbzQEATkgTvkDkU\n\tJ7JxlHo/zBDGFFGzlRKHrsLlsh98OrOfYyKYBVmjpLvyQJ7Bv8ns8GzX6MRMw26CbtK4\n\tpP15NCf2gFULdmY+zNXTmNWLooDUIE6vTymMMLvnb/baNYVN+M6rzRa4MFypMYeEnicU\n\tEGXhduyEl7Yu+I3FCDArBtkG4kaupqoApTytmzQNAvs5LJJTJt5k7UJJi2VIF0R74MbG\n\trRzg==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id;\n\tbh=anDwgcZUUOO8u6WK1QHC3TX9gNKc2ZL1kBg3nVLzrxE=;\n\tb=eLmxTnxC6xYgWY/G91rfgAy2ujUW4CvjW4q+NkcRNPurirVefvyueyRmPEoZqBAXUG\n\t67ey8Cw4VmiM+SkM2knm2fFgA3oOz0jK9/bnL1hW+b9ANMRJXUCg+/8yyVZ1osVqxbUJ\n\tQXj1D7jMwuIU4aQdix/EzgOYldR5pugdeTuNU+Gw2SlG7Ip+NxaQO+xOaPtl2+uo3C+U\n\tjVYxkWVPzZd7UAv0zK6vqSbLH1OmyX7zAnmAGlb2qV0R3s6GCMxHSIReZx4nJRfHn+mo\n\tQLSRtdl5bcFfc1xQ2N5v+K+v5pNZvk08WzbD7M5qiC60Me5Dmx4ylcLYf5iO0kU7mKqp\n\tsDUA==", "X-Gm-Message-State": "AHPjjUgwy2YYwhKgNu/mJRxputzbpP5W+j+Kz0/H3Tl7Y+JrH0V7zPqc\n\tXcWGE42pfg6xhQWV", "X-Google-Smtp-Source": "ADKCNb5MyYoKK41fDsxwpSfZGbCfBT/1SjAlb2w2cOVRrlym4zKDzrxksOaQF6pjXEUcNT9Ver4SgA==", "X-Received": "by 10.99.98.7 with SMTP id w7mr20563719pgb.338.1505387645281;\n\tThu, 14 Sep 2017 04:14:05 -0700 (PDT)", "From": "Nicholas Piggin <npiggin@gmail.com>", "To": "skiboot@lists.ozlabs.org", "Date": "Thu, 14 Sep 2017 21:13:41 +1000", "Message-Id": "<20170914111346.11970-1-npiggin@gmail.com>", "X-Mailer": "git-send-email 2.13.3", "Subject": "[Skiboot] [PATCH 0/5] POWER9 idle pm support", "X-BeenThere": "skiboot@lists.ozlabs.org", "X-Mailman-Version": "2.1.24", "Precedence": "list", "List-Id": "Mailing list for skiboot development <skiboot.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/skiboot>,\n\t<mailto:skiboot-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/skiboot/>", "List-Post": "<mailto:skiboot@lists.ozlabs.org>", "List-Help": "<mailto:skiboot-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/skiboot>,\n\t<mailto:skiboot-request@lists.ozlabs.org?subject=subscribe>", "Cc": "\"Gautham R . Shenoy\" <ego@linux.vnet.ibm.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org", "Sender": "\"Skiboot\"\n\t<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>" }, "content": "Hi,\n\nThese patches implement initial idle power management support for\nPOWER9. Immediate benefit should be slightly faster execution of\nboot code due to SMT switching, and a bit lower power use for other\ncores during boot.\n\nThanks,\nNick\n\nNicholas Piggin (5):\n cpu: avoid decrementer wakeups in case of cpu_wake_on_job idle\n cpu: idle move the minimum PM latency into the idle code\n cpu: idle notice if pm state changes\n cpu: idle split pm enable into sreset and ipi components\n cpu: idle POWER9 power management implementation\n\n asm/head.S | 70 +++++++++++-----\n core/cpu.c | 226 ++++++++++++++++++++++++++++++++++++++++++++--------\n core/fast-reboot.c | 3 +-\n core/init.c | 12 ++-\n core/timebase.c | 4 +-\n hw/slw.c | 2 +-\n include/cpu.h | 10 ++-\n include/processor.h | 31 +++++++\n include/skiboot.h | 4 +-\n 9 files changed, 294 insertions(+), 68 deletions(-)" }