From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45442) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dEBR8-0002ga-H2 for qemu-devel@nongnu.org; Fri, 26 May 2017 05:21:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dEBR7-0005Zq-MZ for qemu-devel@nongnu.org; Fri, 26 May 2017 05:21:34 -0400 From: Li Zhang Date: Fri, 26 May 2017 17:21:08 +0800 Message-Id: <1495790468-23862-4-git-send-email-zhlcindy@gmail.com> In-Reply-To: <1495790468-23862-1-git-send-email-zhlcindy@gmail.com> References: <1495790468-23862-1-git-send-email-zhlcindy@gmail.com> Subject: [Qemu-devel] [PATCH 3/3] arm/virt: Implement hot_add_cpu interface List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: peter.maydell@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Li Zhang From: Li Zhang This patch is to add add_hot_cpu interface. Signed-off-by: Li Zhang --- hw/arm/virt.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 31314c1..c7e8322 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -527,6 +527,24 @@ out: error_propagate(errp, err); } +static void virt_hot_add_cpu(const int64_t id, Error **errp) +{ + MachineState *ms = MACHINE(qdev_get_machine()); + VirtMachineState *vms = VIRT_MACHINE(ms); + + if (id < 0 || id >= max_cpus) { + error_setg(errp, "Invalid CPU id: %" PRIi64, id); + return; + } + + virt_new_cpu(ms, id, errp); + if (errp) { + return; + } + + fdt_add_cpu_node(vms, id); +} + static void fdt_add_its_gic_node(VirtMachineState *vms) { vms->msi_phandle = qemu_fdt_alloc_phandle(vms->fdt); @@ -1654,6 +1672,7 @@ static void virt_machine_class_init(ObjectClass *oc, void *data) mc->minimum_page_bits = 12; mc->possible_cpu_arch_ids = virt_possible_cpu_arch_ids; mc->cpu_index_to_instance_props = virt_cpu_index_to_props; + mc->hot_add_cpu = virt_hot_add_cpu; } static const TypeInfo virt_machine_info = { -- 2.7.4