{"id":813788,"url":"http://patchwork.ozlabs.org/api/covers/813788/?format=json","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=json","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=json","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=json","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":"","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 ;\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 ;\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 ; Thu, 14 Sep 2017 21:14:07 +1000 (AEST)","by mail-pg0-x243.google.com with SMTP id j16so1537170pga.2\n\tfor ; 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=)","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 ","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 ","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"\"Gautham R . Shenoy\" ","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"},"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(-)"}