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Mon, 4 Sep 2017 15:44:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com B829BB0AA7 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=david@redhat.com Received: from t460s.redhat.com (ovpn-116-139.ams2.redhat.com [10.36.116.139]) by smtp.corp.redhat.com (Postfix) with ESMTP id ACC8FBF672; Mon, 4 Sep 2017 15:44:11 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Mon, 4 Sep 2017 17:43:16 +0200 Message-Id: <20170904154316.4148-20-david@redhat.com> In-Reply-To: <20170904154316.4148-1-david@redhat.com> References: <20170904154316.4148-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Mon, 04 Sep 2017 15:44:15 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 19/19] s390x: get rid of cpu_s390x_create() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thuth@redhat.com, Eduardo Habkost , david@redhat.com, cohuck@redhat.com, Richard Henderson , Alexander Graf , borntraeger@de.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Now that there is only one user of cpu_s390x_create() left, make cpu creation looks like on x86. - Perform the model/properties split and checks in s390_init_cpus() - Parse features only once without having to remember if already parsed - Pass only the typename to s390x_new_cpu() - Use the typename of an existing CPU for hotplug via cpu-add Signed-off-by: David Hildenbrand --- hw/s390x/s390-virtio-ccw.c | 29 +++++++++++++++++++++++++++-- target/s390x/cpu.h | 2 +- target/s390x/helper.c | 45 ++------------------------------------------- target/s390x/internal.h | 1 - 4 files changed, 30 insertions(+), 47 deletions(-) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 458615252c..8bd063377c 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -69,6 +69,10 @@ S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) static void s390_init_cpus(MachineState *machine) { MachineClass *mc = MACHINE_GET_CLASS(machine); + const char *typename; + gchar **model_pieces; + ObjectClass *oc; + CPUClass *cc; int i; if (machine->cpu_model == NULL) { @@ -84,8 +88,25 @@ static void s390_init_cpus(MachineState *machine) /* initialize possible_cpus */ mc->possible_cpu_arch_ids(machine); + model_pieces = g_strsplit(machine->cpu_model, ",", 2); + if (!model_pieces[0]) { + error_report("Invalid/empty CPU model name"); + exit(1); + } + + oc = cpu_class_by_name(TYPE_S390_CPU, model_pieces[0]); + if (!oc) { + error_report("Unable to find CPU definition: %s", model_pieces[0]); + exit(1); + } + typename = object_class_get_name(oc); + cc = CPU_CLASS(oc); + /* after parsing, properties will be applied to all *typename* instances */ + cc->parse_features(typename, model_pieces[1], &error_fatal); + g_strfreev(model_pieces); + for (i = 0; i < smp_cpus; i++) { - s390x_new_cpu(machine->cpu_model, i, &error_fatal); + s390x_new_cpu(typename, i, &error_fatal); } } @@ -396,8 +417,12 @@ static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, static void s390_hot_add_cpu(const int64_t id, Error **errp) { MachineState *machine = MACHINE(qdev_get_machine()); + ObjectClass *oc; + + g_assert(machine->possible_cpus->cpus[0].cpu); + oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); - s390x_new_cpu(machine->cpu_model, id, errp); + s390x_new_cpu(object_class_get_name(oc), id, errp); } static void s390_nmi(NMIState *n, int cpu_index, Error **errp) diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 878b6cc83e..4c639240de 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -690,7 +690,7 @@ const char *s390_default_cpu_model_name(void); /* helper.c */ #define cpu_init(cpu_model) cpu_generic_init(TYPE_S390_CPU, cpu_model) -S390CPU *s390x_new_cpu(const char *cpu_model, uint32_t core_id, Error **errp); +S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, Error **errp); /* you can call this signal handler from your SIGBUS and SIGSEGV signal handlers to inform the virtual CPU of exceptions. non zero is returned if the signal was handled by the virtual CPU. */ diff --git a/target/s390x/helper.c b/target/s390x/helper.c index dfb24ef5b2..97adbcc86d 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -68,52 +68,11 @@ void s390x_cpu_timer(void *opaque) } #endif -S390CPU *cpu_s390x_create(const char *cpu_model, Error **errp) +S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, Error **errp) { - static bool features_parsed; - char *name, *features; - const char *typename; - ObjectClass *oc; - CPUClass *cc; - - name = g_strdup(cpu_model); - features = strchr(name, ','); - if (features) { - features[0] = 0; - features++; - } - - oc = cpu_class_by_name(TYPE_S390_CPU, name); - if (!oc) { - error_setg(errp, "Unknown CPU definition \'%s\'", name); - g_free(name); - return NULL; - } - typename = object_class_get_name(oc); - - if (!features_parsed) { - features_parsed = true; - cc = CPU_CLASS(oc); - cc->parse_features(typename, features, errp); - } - g_free(name); - - if (*errp) { - return NULL; - } - return S390_CPU(CPU(object_new(typename))); -} - -S390CPU *s390x_new_cpu(const char *cpu_model, uint32_t core_id, Error **errp) -{ - S390CPU *cpu; + S390CPU *cpu = S390_CPU(object_new(typename)); Error *err = NULL; - cpu = cpu_s390x_create(cpu_model, &err); - if (err != NULL) { - goto out; - } - object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); if (err != NULL) { goto out; diff --git a/target/s390x/internal.h b/target/s390x/internal.h index b4d3583b24..bc8f83129a 100644 --- a/target/s390x/internal.h +++ b/target/s390x/internal.h @@ -337,7 +337,6 @@ uint64_t get_psw_mask(CPUS390XState *env); void s390_cpu_recompute_watchpoints(CPUState *cs); void s390x_tod_timer(void *opaque); void s390x_cpu_timer(void *opaque); -S390CPU *cpu_s390x_create(const char *cpu_model, Error **errp); void do_restart_interrupt(CPUS390XState *env); #ifndef CONFIG_USER_ONLY LowCore *cpu_map_lowcore(CPUS390XState *env);