From nobody Fri Aug 28 00:14:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 178662066282515.803547985162368; Thu, 13 Aug 2026 04:31:02 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wuTdm-0001R5-If; Thu, 13 Aug 2026 07:30:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wuTdh-0001Pq-PU for qemu-devel@nongnu.org; Thu, 13 Aug 2026 07:30:25 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wuTdb-0004Ed-T5 for qemu-devel@nongnu.org; Thu, 13 Aug 2026 07:30:24 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8AxYdHAqn1qwOMAAA--.2859S3; Thu, 13 Aug 2026 19:30:08 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJCxOs6+qn1q5lQDAA--.4396S3; Thu, 13 Aug 2026 19:30:08 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, lixianglai@loongson.cn Subject: [PATCH v4 1/3] target/loongarch: Add kvm support dintc Date: Thu, 13 Aug 2026 19:09:58 +0800 Message-Id: <20260813111000.446232-2-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20260813111000.446232-1-gaosong@loongson.cn> References: <20260813111000.446232-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJCxOs6+qn1q5lQDAA--.4396S3 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1786620664662158500 Content-Type: text/plain; charset="utf-8" This patch adds Kvm put/get msgint CSRs and check msgint feature. Signed-off-by: Song Gao Reviewed-by: Bibo Mao --- target/loongarch/cpu.c | 5 ++- target/loongarch/cpu.h | 1 + target/loongarch/kvm/kvm.c | 74 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 77 insertions(+), 3 deletions(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index fb03424ffa..a241135227 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -450,9 +450,6 @@ static void loongarch_max_initfn(Object *obj) =20 cpu->ptw =3D ON_OFF_AUTO_AUTO; if (tcg_enabled()) { - cpu->env.cpucfg[1] =3D FIELD_DP32(cpu->env.cpucfg[1], CPUCFG1, MSG= _INT, 1); - cpu->msgint =3D ON_OFF_AUTO_AUTO; - uint32_t data =3D cpu->env.cpucfg[2]; data =3D FIELD_DP32(data, CPUCFG2, HPTW, 1); /* Enable LA v1.1 instructions */ @@ -467,6 +464,8 @@ static void loongarch_max_initfn(Object *obj) data =3D FIELD_DP32(data, CPUCFG3, DBAR_HINTS, 1); cpu->env.cpucfg[3] =3D data; } + cpu->env.cpucfg[1] =3D FIELD_DP32(cpu->env.cpucfg[1], CPUCFG1, MSG_INT= , 1); + cpu->msgint =3D ON_OFF_AUTO_AUTO; } =20 #if defined(CONFIG_KVM) diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index ad30c73167..97db3b453f 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -301,6 +301,7 @@ enum loongarch_features { LOONGARCH_FEATURE_PV_IPI, LOONGARCH_FEATURE_STEALTIME, LOONGARCH_FEATURE_PTW, + LOONGARCH_FEATURE_MSGINT, }; =20 typedef struct LoongArchBT { diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c index 4d0cad5732..15082a01f8 100644 --- a/target/loongarch/kvm/kvm.c +++ b/target/loongarch/kvm/kvm.c @@ -36,6 +36,13 @@ const KVMCapabilityInfo kvm_arch_required_capabilities[]= =3D { KVM_CAP_LAST_INFO }; =20 +static bool kvm_cpu_has_msgint(CPUState *cs) +{ + LoongArchCPU *cpu =3D LOONGARCH_CPU(cs); + + return FIELD_EX64(cpu->env.cpucfg[1], CPUCFG1, MSG_INT); +} + static int kvm_get_stealtime(CPUState *cs) { CPULoongArchState *env =3D cpu_env(cs); @@ -362,6 +369,25 @@ static int kvm_loongarch_get_csr(CPUState *cs) =20 ret |=3D kvm_loongarch_get_pmu(cs); =20 + /* + * CSR register MSGIS getting must be put after CSR register CSR_ESTAT, + * Since register CSR_ESTAT will sync software pending MSGINT status to + * hardware register and modify HW CSR MSGIS registers. + */ + if (kvm_cpu_has_msgint(cs)) { + ret |=3D kvm_get_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(0)), + &sys->CSR_MSGIS[0]); + + ret |=3D kvm_get_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(1)), + &sys->CSR_MSGIS[1]); + + ret |=3D kvm_get_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(2)), + &sys->CSR_MSGIS[2]); + + ret |=3D kvm_get_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(3)), + &sys->CSR_MSGIS[3]); + } + ret |=3D kvm_get_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_TVAL), &sys->CSR_TVAL); =20 @@ -538,6 +564,20 @@ static int kvm_loongarch_put_csr(CPUState *cs, KvmPutS= tate level) =20 ret |=3D kvm_loongarch_put_pmu(cs); =20 + if (kvm_cpu_has_msgint(cs)) { + ret |=3D kvm_set_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(0)), + &sys->CSR_MSGIS[0]); + + ret |=3D kvm_set_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(1)), + &sys->CSR_MSGIS[1]); + + ret |=3D kvm_set_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(2)), + &sys->CSR_MSGIS[2]); + + ret |=3D kvm_set_one_reg(cs, KVM_IOC_CSRID(LOONGARCH_CSR_MSGIS(3)), + &sys->CSR_MSGIS[3]); + } + /* * timer cfg must be put at last since it is used to enable * guest timer @@ -993,6 +1033,12 @@ static bool kvm_feature_supported(CPUState *cs, enum = loongarch_features feature) ret =3D kvm_vm_ioctl(kvm_state, KVM_HAS_DEVICE_ATTR, &attr); return (ret =3D=3D 0); =20 + case LOONGARCH_FEATURE_MSGINT: + attr.group =3D KVM_LOONGARCH_VM_FEAT_CTRL; + attr.attr =3D KVM_LOONGARCH_VM_FEAT_MSGINT; + ret =3D kvm_vm_ioctl(kvm_state, KVM_HAS_DEVICE_ATTR, &attr); + return (ret =3D=3D 0); + default: return false; } @@ -1166,6 +1212,28 @@ static int kvm_cpu_check_pv_features(CPUState *cs, E= rror **errp) return 0; } =20 +static int kvm_cpu_check_msgint(CPUState *cs, Error **errp) +{ + CPULoongArchState *env =3D cpu_env(cs); + LoongArchCPU *cpu =3D LOONGARCH_CPU(cs); + bool kvm_supported; + + kvm_supported =3D kvm_feature_supported(cs, LOONGARCH_FEATURE_MSGINT); + env->cpucfg[1] =3D FIELD_DP32(env->cpucfg[1], CPUCFG1, MSG_INT, 0); + if (cpu->msgint =3D=3D ON_OFF_AUTO_ON) { + if (kvm_supported) { + env->cpucfg[1] =3D FIELD_DP32(env->cpucfg[1], CPUCFG1, MSG_INT= , 1); + } else { + error_setg(errp, "'msgint' feature not supported by KVM on thi= s host"); + return -ENOTSUP; + } + } else if ((cpu->msgint =3D=3D ON_OFF_AUTO_AUTO) && kvm_supported) { + env->cpucfg[1] =3D FIELD_DP32(env->cpucfg[1], CPUCFG1, MSG_INT, 1); + } + + return 0; +} + int kvm_arch_pre_create_vcpu(CPUState *cpu, Error **errp) { return 0; @@ -1221,6 +1289,12 @@ int kvm_arch_init_vcpu(CPUState *cs) return ret; } =20 + ret =3D kvm_cpu_check_msgint(cs, &local_err); + if (ret < 0) { + error_report_err(local_err); + return ret; + } + return 0; } =20 --=20 2.47.3 From nobody Fri Aug 28 00:14:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1786620658856924.8533402112115; Thu, 13 Aug 2026 04:30:58 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wuTdk-0001QN-Kv; Thu, 13 Aug 2026 07:30:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wuTdh-0001Pm-JR for qemu-devel@nongnu.org; Thu, 13 Aug 2026 07:30:25 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wuTdb-0004Ec-8X for qemu-devel@nongnu.org; Thu, 13 Aug 2026 07:30:24 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Bx79LAqn1qweMAAA--.2764S3; Thu, 13 Aug 2026 19:30:08 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJCxOs6+qn1q5lQDAA--.4396S4; Thu, 13 Aug 2026 19:30:09 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, lixianglai@loongson.cn Subject: [PATCH v4 2/3] Add dintc kvm_irqchip_in_kernel support Date: Thu, 13 Aug 2026 19:09:59 +0800 Message-Id: <20260813111000.446232-3-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20260813111000.446232-1-gaosong@loongson.cn> References: <20260813111000.446232-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJCxOs6+qn1q5lQDAA--.4396S4 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1786620660499158500 Content-Type: text/plain; charset="utf-8" Function kvm_dintc_realize() is added if kvm_irqchip_in_kernel is set. It is to create and initialize DINTC device in kernel mode. and use kvm_irqchip_send_msi() to send msi to kernel. Signed-off-by: Song Gao Reviewed-by: Bibo Mao --- hw/intc/loongarch_dintc.c | 13 +++++++++ hw/intc/loongarch_dintc_kvm.c | 48 +++++++++++++++++++++++++++++++ hw/intc/meson.build | 2 ++ include/hw/intc/loongarch_dintc.h | 10 +++++++ 4 files changed, 73 insertions(+) create mode 100644 hw/intc/loongarch_dintc_kvm.c diff --git a/hw/intc/loongarch_dintc.c b/hw/intc/loongarch_dintc.c index e40292887c..94d418261c 100644 --- a/hw/intc/loongarch_dintc.c +++ b/hw/intc/loongarch_dintc.c @@ -68,6 +68,15 @@ static void loongarch_dintc_mem_write(void *opaque, hwad= dr addr, } irq_num =3D FIELD_EX64(msg_addr, MSG_ADDR, IRQ_NUM); =20 + if (kvm_irqchip_in_kernel()) { + MSIMessage msg; + + msg.address =3D msg_addr; + msg.data =3D val; + kvm_irqchip_send_msi(kvm_state, msg); + return; + } + async_run_on_cpu(cs, do_set_vcpu_dintc_irq, RUN_ON_CPU_HOST_INT(irq_num)); qemu_set_irq(s->cpu[cpu_num].parent_irq, 1); @@ -110,6 +119,10 @@ static void loongarch_dintc_realize(DeviceState *dev, = Error **errp) qdev_init_gpio_out(dev, &s->cpu[i].parent_irq, 1); } =20 + if (kvm_irqchip_in_kernel()) { + kvm_dintc_realize(dev, errp); + } + return; } =20 diff --git a/hw/intc/loongarch_dintc_kvm.c b/hw/intc/loongarch_dintc_kvm.c new file mode 100644 index 0000000000..1137bcd9a6 --- /dev/null +++ b/hw/intc/loongarch_dintc_kvm.c @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * LoongArch DINTC interrupt kvm support + * + * Copyright (C) 2025 Loongson Technology Corporation Limited + */ + +#include "qemu/osdep.h" +#include "hw/intc/loongarch_dintc.h" +#include "linux/kvm.h" +#include "qapi/error.h" +#include "system/kvm.h" + +void kvm_dintc_realize(DeviceState *dev, Error **errp) +{ + LoongArchDINTCState *lds =3D LOONGARCH_DINTC(dev); + int ret; + + ret =3D kvm_create_device(kvm_state, KVM_DEV_TYPE_LOONGARCH_DMSINTC, f= alse); + if (ret < 0) { + fprintf(stderr, "create KVM_DEV_TYPE_LOONGARCH_AVEC failed: %s\n", + strerror(-ret)); + abort(); + } + lds->dev_fd =3D ret; + + /* init dintc config */ + lds->msg_addr_base =3D VIRT_DINTC_BASE; + lds->msg_addr_size =3D VIRT_DINTC_SIZE; + + ret =3D kvm_device_access(lds->dev_fd, KVM_DEV_LOONGARCH_DMSINTC_GRP_C= TRL, + KVM_DEV_LOONGARCH_DMSINTC_MSG_ADDR_BASE, + &lds->msg_addr_base, true, NULL); + if (ret < 0) { + fprintf(stderr, "KVM_DEV_LOONGARCH_DINTC_MSG_ADDR_BASE failed: %s\= n", + strerror(ret)); + abort(); + } + + ret =3D kvm_device_access(lds->dev_fd, KVM_DEV_LOONGARCH_DMSINTC_GRP_C= TRL, + KVM_DEV_LOONGARCH_DMSINTC_MSG_ADDR_SIZE, + &lds->msg_addr_size, true, NULL); + if (ret < 0) { + fprintf(stderr, "KVM_DEV_LOONGARCH_DINTC_MSG_ADDR_SIZE failed: %s\= n", + strerror(ret)); + abort(); + } +} diff --git a/hw/intc/meson.build b/hw/intc/meson.build index a1401cb521..4373f16d0b 100644 --- a/hw/intc/meson.build +++ b/hw/intc/meson.build @@ -90,3 +90,5 @@ specific_ss.add(when: 'CONFIG_LOONGARCH_EXTIOI', if_true:= files('loongarch_extio specific_ss.add(when: ['CONFIG_KVM', 'CONFIG_LOONGARCH_EXTIOI'], if_true: files('loongarch_extioi_kvm.c')) specific_ss.add(when: 'CONFIG_LOONGARCH_DINTC', if_true: files('loongarch_= dintc.c')) +specific_ss.add(when: ['CONFIG_KVM', 'CONFIG_LOONGARCH_DINTC'], + if_true: files('loongarch_dintc_kvm.c')) diff --git a/include/hw/intc/loongarch_dintc.h b/include/hw/intc/loongarch_= dintc.h index 1f4f65705a..95a7879e26 100644 --- a/include/hw/intc/loongarch_dintc.h +++ b/include/hw/intc/loongarch_dintc.h @@ -9,8 +9,13 @@ #include "hw/core/sysbus.h" #include "hw/loongarch/virt.h" #include "system/memory.h" +#include "hw/pci-host/ls7a.h" =20 #define NR_VECTORS 256 +#define IRQ_BIT_BASE 5 +#define IRQ_BIT_LEN 8 +#define CPU_BIT_BASE 13 +#define CPU_BIT_LEN 8 =20 #define TYPE_LOONGARCH_DINTC "loongarch_dintc" OBJECT_DECLARE_TYPE(LoongArchDINTCState, LoongArchDINTCClass, LOONGARCH_DI= NTC) @@ -25,7 +30,10 @@ struct LoongArchDINTCState { SysBusDevice parent_obj; MemoryRegion dintc_mmio; DINTCCore *cpu; + int dev_fd; uint32_t num_cpu; + uint64_t msg_addr_base; + uint64_t msg_addr_size; }; =20 struct LoongArchDINTCClass { @@ -34,3 +42,5 @@ struct LoongArchDINTCClass { DeviceRealize parent_realize; DeviceUnrealize parent_unrealize; }; + +void kvm_dintc_realize(DeviceState *dev, Error **errp); --=20 2.47.3 From nobody Fri Aug 28 00:14:18 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1786620656454912.004725343589; Thu, 13 Aug 2026 04:30:56 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wuTdo-0001Rf-CF; Thu, 13 Aug 2026 07:30:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wuTdh-0001Pl-Id for qemu-devel@nongnu.org; Thu, 13 Aug 2026 07:30:25 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wuTdc-0004EV-7C for qemu-devel@nongnu.org; Thu, 13 Aug 2026 07:30:24 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8Bx79LBqn1qwuMAAA--.2765S3; Thu, 13 Aug 2026 19:30:09 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by front1 (Coremail) with SMTP id qMiowJCxOs6+qn1q5lQDAA--.4396S5; Thu, 13 Aug 2026 19:30:10 +0800 (CST) From: Song Gao To: maobibo@loongson.cn Cc: qemu-devel@nongnu.org, lixianglai@loongson.cn, gaosong Subject: [PATCH v4 3/3] target/loongarch: KVM disable msgint Date: Thu, 13 Aug 2026 19:10:00 +0800 Message-Id: <20260813111000.446232-4-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20260813111000.446232-1-gaosong@loongson.cn> References: <20260813111000.446232-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowJCxOs6+qn1q5lQDAA--.4396S5 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1786620659842158500 Content-Type: text/plain; charset="utf-8" From: gaosong In KVM mode, msgint is disabled by default; please enable it manually. e.g ... -cpu max,msgint=3Don ... Signed-off-by: gaosong Reviewed-by: Bibo Mao --- target/loongarch/cpu.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c index a241135227..84e609b5ed 100644 --- a/target/loongarch/cpu.c +++ b/target/loongarch/cpu.c @@ -449,6 +449,9 @@ static void loongarch_max_initfn(Object *obj) loongarch_la464_initfn(obj); =20 cpu->ptw =3D ON_OFF_AUTO_AUTO; + if (kvm_enabled()){ + cpu->msgint=3DON_OFF_AUTO_OFF; + } if (tcg_enabled()) { uint32_t data =3D cpu->env.cpucfg[2]; data =3D FIELD_DP32(data, CPUCFG2, HPTW, 1); @@ -463,9 +466,9 @@ static void loongarch_max_initfn(Object *obj) data =3D cpu->env.cpucfg[3]; data =3D FIELD_DP32(data, CPUCFG3, DBAR_HINTS, 1); cpu->env.cpucfg[3] =3D data; + cpu->env.cpucfg[1] =3D FIELD_DP32(cpu->env.cpucfg[1], CPUCFG1, MSG_INT, = 1); + cpu->msgint =3D ON_OFF_AUTO_AUTO; } - cpu->env.cpucfg[1] =3D FIELD_DP32(cpu->env.cpucfg[1], CPUCFG1, MSG_INT= , 1); - cpu->msgint =3D ON_OFF_AUTO_AUTO; } =20 #if defined(CONFIG_KVM) --=20 2.47.3