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{ "id": 813430, "url": "http://patchwork.ozlabs.org/api/covers/813430/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170913132417.24384-1-david@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170913132417.24384-1-david@redhat.com>", "list_archive_url": null, "date": "2017-09-13T13:23:55", "name": "[v5,00/22] s390x cleanups and CPU hotplug via device_add", "submitter": { "id": 70402, "url": "http://patchwork.ozlabs.org/api/people/70402/?format=api", "name": "David Hildenbrand", "email": "david@redhat.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170913132417.24384-1-david@redhat.com/mbox/", "series": [ { "id": 2916, "url": "http://patchwork.ozlabs.org/api/series/2916/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2916", "date": "2017-09-13T13:23:55", "name": "s390x cleanups and CPU hotplug via device_add", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/2916/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/813430/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx01.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx01.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=david@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xsj816Qn2z9sNr\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 13 Sep 2017 23:25:05 +1000 (AEST)", "from localhost ([::1]:42513 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1ds7f5-0004EA-Ip\n\tfor incoming@patchwork.ozlabs.org; Wed, 13 Sep 2017 09:25:03 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:38782)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <david@redhat.com>) id 1ds7eX-0004Bv-6W\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 09:24:30 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <david@redhat.com>) id 1ds7eU-0002AM-GO\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 09:24:29 -0400", "from mx1.redhat.com ([209.132.183.28]:54458)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <david@redhat.com>) id 1ds7eU-00029j-6p\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 09:24:26 -0400", "from smtp.corp.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 2FA2281E0D;\n\tWed, 13 Sep 2017 13:24:25 +0000 (UTC)", "from t460s.redhat.com (ovpn-116-21.ams2.redhat.com [10.36.116.21])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id B990F69FBE;\n\tWed, 13 Sep 2017 13:24:18 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 2FA2281E0D", "From": "David Hildenbrand <david@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Wed, 13 Sep 2017 15:23:55 +0200", "Message-Id": "<20170913132417.24384-1-david@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.11", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.25]);\n\tWed, 13 Sep 2017 13:24:25 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH v5 00/22] s390x cleanups and CPU hotplug via\n\tdevice_add", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "Matthew Rosato <mjrosato@linux.vnet.ibm.com>, thuth@redhat.com,\n\tEduardo Habkost <ehabkost@redhat.com>, david@redhat.com,\n\tcohuck@redhat.com, Richard Henderson <richard.henderson@linaro.org>,\n\tAlexander Graf <agraf@suse.de>,\n\tMarkus Armbruster <armbru@redhat.com>, borntraeger@de.ibm.com,\n\tIgor Mammedov <imammedo@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "The first patches are a bunch of cleanups. I decided to go the\nextra mile and implement CPU hotplug via \"device_add\", as well as\n\"query-hotpluggable-cpus\".\n\nOn s390x, only complete cores can be plugged. CPU hot unplug is currently\nnot supported by the architecture.\n\nSupport for hotplugging CPUs in random core-id order (last two patches)\nis added. We once hat a KVM bug preventing this, but the stable patch\nshould now be included in relevant places - 152e9f65d66f (\"KVM: s390: fix\nwrong lookup of VCPUs by array index\"). Current tooling will plug them in\nsequential order anyway, so it should not hurt.\n\n\nv4 -> v5:\n* Only moving code around, no conceptual changes.\n* \"s390x: allow only 1 CPU with TCG\"\n - Drop the ifdef stuff again.\n* \"s390x: implement query-hotpluggable-cpus\"\n - Don't move s390_cpu_addr2state(), we can clean that up later.\n - Moved dropping \"cpu_states\" to next patch.\n - Drop s390_find_cpu_slot().\n* \"s390x: get rid of cpu_states and use possible_cpus instead\"\n - Added as requested by Igor.\n\n\nDavid Hildenbrand (22):\n exec,dump,i386,ppc,s390x: don't include exec/cpu-all.h explicitly\n cpu: drop old comments describing members\n s390x: get rid of s390-virtio.c\n s390x: rename s390-virtio.h to s390-virtio-hcall.h\n s390x: move s390_virtio_hypercall() to s390-virtio-hcall.h\n s390x: move subsystem_reset() to s390-virtio-ccw.h\n target/s390x: move some s390x typedefs to cpu-qom.h\n s390x: move sclp_service_call() to sclp.h\n target/s390x: use trigger_pgm_exception() in\n s390_cpu_handle_mmu_fault()\n target/s390x: use program_interrupt() in per_check_exception()\n s390x: allow only 1 CPU with TCG\n target/s390x: set cpu->id for linux user when realizing\n target/s390x: use \"core-id\" for cpu number/address/id handling\n target/s390x: rename next_cpu_id to next_core_id\n s390x: print CPU definitions in sorted order\n s390x: allow cpu hotplug via device_add\n s390x: CPU hot unplug via device_del cannot work for now\n s390x: implement query-hotpluggable-cpus\n s390x: get rid of cpu_states and use possible_cpus instead\n s390x: get rid of cpu_s390x_create()\n s390x: generate sclp cpu information from possible_cpus\n s390x: allow CPU hotplug in random core-id order\n\n dump.c | 1 -\n exec.c | 1 -\n hw/s390x/Makefile.objs | 1 -\n hw/s390x/s390-virtio-ccw.c | 239 +++++++++++++++++++++++++++++++++++--\n hw/s390x/s390-virtio-hcall.c | 2 +-\n hw/s390x/s390-virtio-hcall.h | 21 ++++\n hw/s390x/s390-virtio.c | 37 ------\n hw/s390x/s390-virtio.h | 35 ------\n hw/s390x/sclp.c | 34 +++---\n include/hw/s390x/s390-virtio-ccw.h | 2 +\n include/hw/s390x/sclp.h | 2 +\n include/qom/cpu.h | 6 +-\n qapi-schema.json | 16 +++\n target/i386/arch_dump.c | 1 -\n target/i386/arch_memory_mapping.c | 1 -\n target/i386/svm_helper.c | 1 -\n target/ppc/arch_dump.c | 1 -\n target/s390x/arch_dump.c | 1 -\n target/s390x/cpu-qom.h | 7 +-\n target/s390x/cpu.c | 85 ++++---------\n target/s390x/cpu.h | 13 +-\n target/s390x/cpu_models.c | 58 ++++++---\n target/s390x/cpu_models.h | 8 +-\n target/s390x/diag.c | 1 +\n target/s390x/excp_helper.c | 5 +-\n target/s390x/helper.c | 47 +-------\n target/s390x/internal.h | 1 -\n target/s390x/kvm.c | 1 +\n target/s390x/misc_helper.c | 21 ++--\n target/s390x/translate.c | 5 +-\n 30 files changed, 388 insertions(+), 266 deletions(-)\n create mode 100644 hw/s390x/s390-virtio-hcall.h\n delete mode 100644 hw/s390x/s390-virtio.h" }