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File _service:tar_scm:arm-virt-Fix-adjudgement-of-core_id-for-vcpu-hotplug.patch of Package qemu
From 00a78edf572783c18a1d4945758371c0f175e321 Mon Sep 17 00:00:00 2001 From: Keqian Zhu <zhukeqian1@huawei.com> Date: Tue, 26 Mar 2024 15:41:14 +0800 Subject: [PATCH] arm/virt: Fix adjudgement of core_id for vcpu hotplugged The core_id should between 0 and ms->smp.cores - 1. Signed-off-by: Keqian Zhu <zhukeqian1@huawei.com> --- hw/arm/virt.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 934b0412ef..e60f3431f9 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -3170,8 +3170,6 @@ static void virt_cpu_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, ARMCPU *cpu = ARM_CPU(dev); CPUState *cs = CPU(dev); CPUArchId *cpu_slot; - int32_t min_cpuid = 0; - int32_t max_cpuid; if (dev->hotplugged && !vms->acpi_dev) { error_setg(errp, "GED acpi device does not exists"); @@ -3196,15 +3194,9 @@ static void virt_cpu_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, return; } - max_cpuid = ms->possible_cpus->len - 1; - if (!dev->hotplugged) { - min_cpuid = vms->acpi_dev ? ms->smp.cpus : 0; - max_cpuid = vms->acpi_dev ? max_cpuid : ms->smp.cpus - 1; - } - - if ((cpu->core_id < min_cpuid) || (cpu->core_id > max_cpuid)) { - error_setg(errp, "Invalid core-id %d specified, correct range %d:%d", - cpu->core_id, min_cpuid, max_cpuid); + if ((cpu->core_id < 0) || (cpu->core_id >= ms->smp.cores)) { + error_setg(errp, "Invalid core-id %d specified, correct range 0:%u", + cpu->core_id, ms->smp.cores - 1); return; } -- 2.27.0
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