{"id":808716,"url":"http://patchwork.ozlabs.org/api/patches/808716/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170901150317.10380-3-ehabkost@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","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":"<20170901150317.10380-3-ehabkost@redhat.com>","list_archive_url":null,"date":"2017-09-01T15:02:50","name":"[PULL,02/29] cpu: cpu_by_arch_id() helper","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"fdc290c43b14eb346ce5acb68b98fd5753473b6e","submitter":{"id":195,"url":"http://patchwork.ozlabs.org/api/people/195/?format=json","name":"Eduardo Habkost","email":"ehabkost@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170901150317.10380-3-ehabkost@redhat.com/mbox/","series":[{"id":1043,"url":"http://patchwork.ozlabs.org/api/series/1043/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1043","date":"2017-09-01T15:02:50","name":null,"version":1,"mbox":"http://patchwork.ozlabs.org/series/1043/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/808716/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/808716/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=)","ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx02.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=ehabkost@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 3xkMwF0m1qz9t2Z\n\tfor ;\n\tSat, 2 Sep 2017 01:04:27 +1000 (AEST)","from localhost ([::1]:44982 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1dnnUg-0007p4-1u\n\tfor incoming@patchwork.ozlabs.org; Fri, 01 Sep 2017 11:04:26 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:40701)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1dnnTn-0007mw-9l\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 11:03:32 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1dnnTi-0002sM-Mj\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 11:03:31 -0400","from mx1.redhat.com ([209.132.183.28]:53548)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from ) id 1dnnTi-0002s7-HG\n\tfor qemu-devel@nongnu.org; Fri, 01 Sep 2017 11:03:26 -0400","from smtp.corp.redhat.com\n\t(int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14])\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 9513C806CC;\n\tFri, 1 Sep 2017 15:03:25 +0000 (UTC)","from localhost (ovpn-116-66.gru2.redhat.com [10.97.116.66])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 22C607B0FE;\n\tFri, 1 Sep 2017 15:03:24 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com 9513C806CC","From":"Eduardo Habkost ","To":"Peter Maydell ","Date":"Fri, 1 Sep 2017 12:02:50 -0300","Message-Id":"<20170901150317.10380-3-ehabkost@redhat.com>","In-Reply-To":"<20170901150317.10380-1-ehabkost@redhat.com>","References":"<20170901150317.10380-1-ehabkost@redhat.com>","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.14","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.26]);\n\tFri, 01 Sep 2017 15:03:25 +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] [PULL 02/29] cpu: cpu_by_arch_id() helper","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"qemu-devel@nongnu.org","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"The helper can be used for CPU object lookup using the CPU's\narch-specific ID (the one returned by CPUClass::get_arch_id()).\n\nSigned-off-by: Eduardo Habkost \n[Yi Wang: Added documentation comments]\nSigned-off-by: Yi Wang \nSigned-off-by: Yun Liu \n[ehabkost: extracted cpu_by_arch_id() to a separate patch]\nSigned-off-by: Eduardo Habkost \n---\n include/qom/cpu.h | 10 ++++++++++\n qom/cpu.c | 11 ++++++++---\n 2 files changed, 18 insertions(+), 3 deletions(-)","diff":"diff --git a/include/qom/cpu.h b/include/qom/cpu.h\nindex 25eefea7ab..b7ac9491c8 100644\n--- a/include/qom/cpu.h\n+++ b/include/qom/cpu.h\n@@ -755,6 +755,16 @@ CPUState *qemu_get_cpu(int index);\n bool cpu_exists(int64_t id);\n \n /**\n+ * cpu_by_arch_id:\n+ * @id: Guest-exposed CPU ID of the CPU to obtain.\n+ *\n+ * Get a CPU with matching @id.\n+ *\n+ * Returns: The CPU or %NULL if there is no matching CPU.\n+ */\n+CPUState *cpu_by_arch_id(int64_t id);\n+\n+/**\n * cpu_throttle_set:\n * @new_throttle_pct: Percent of sleep time. Valid range is 1 to 99.\n *\ndiff --git a/qom/cpu.c b/qom/cpu.c\nindex 4f38db0dac..e6210d5949 100644\n--- a/qom/cpu.c\n+++ b/qom/cpu.c\n@@ -34,7 +34,7 @@\n \n CPUInterruptHandler cpu_interrupt_handler;\n \n-bool cpu_exists(int64_t id)\n+CPUState *cpu_by_arch_id(int64_t id)\n {\n CPUState *cpu;\n \n@@ -42,10 +42,15 @@ bool cpu_exists(int64_t id)\n CPUClass *cc = CPU_GET_CLASS(cpu);\n \n if (cc->get_arch_id(cpu) == id) {\n- return true;\n+ return cpu;\n }\n }\n- return false;\n+ return NULL;\n+}\n+\n+bool cpu_exists(int64_t id)\n+{\n+ return !!cpu_by_arch_id(id);\n }\n \n CPUState *cpu_generic_init(const char *typename, const char *cpu_model)\n","prefixes":["PULL","02/29"]}