From: Gavin Shan <gshan@redhat.com> To: kvmarm@lists.cs.columbia.edu Cc: linux-kernel@vger.kernel.org, james.morse@arm.com, mark.rutland@arm.com, Jonathan.Cameron@huawei.com, will@kernel.org, maz@kernel.org, pbonzini@redhat.com Subject: [PATCH v4 13/21] KVM: arm64: Impment SDEI event delivery Date: Sun, 15 Aug 2021 08:13:44 +0800 [thread overview] Message-ID: <20210815001352.81927-14-gshan@redhat.com> (raw) In-Reply-To: <20210815001352.81927-1-gshan@redhat.com> This implement kvm_sdei_deliver() to support SDEI event delivery. The function is called when the request (KVM_REQ_SDEI) is raised. The following rules are taken according to the SDEI specification: * x0 - x17 are saved. All of them are cleared except the following registered: x0: number SDEI event to be delivered x1: parameter associated with the SDEI event x2: PC of the interrupted context x3: PState of the interrupted context * PC is set to the handler of the SDEI event, which was provided during its registration. PState is modified accordingly. * SDEI event with critical priority can preempt those with normal priority. Signed-off-by: Gavin Shan <gshan@redhat.com> --- arch/arm64/include/asm/kvm_host.h | 1 + arch/arm64/include/asm/kvm_sdei.h | 1 + arch/arm64/kvm/arm.c | 3 ++ arch/arm64/kvm/sdei.c | 84 +++++++++++++++++++++++++++++++ 4 files changed, 89 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index aedf901e1ec7..46f363aa6524 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -47,6 +47,7 @@ #define KVM_REQ_RECORD_STEAL KVM_ARCH_REQ(3) #define KVM_REQ_RELOAD_GICv4 KVM_ARCH_REQ(4) #define KVM_REQ_RELOAD_PMU KVM_ARCH_REQ(5) +#define KVM_REQ_SDEI KVM_ARCH_REQ(6) #define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \ KVM_DIRTY_LOG_INITIALLY_SET) diff --git a/arch/arm64/include/asm/kvm_sdei.h b/arch/arm64/include/asm/kvm_sdei.h index b0abc13a0256..7f5f5ad689e6 100644 --- a/arch/arm64/include/asm/kvm_sdei.h +++ b/arch/arm64/include/asm/kvm_sdei.h @@ -112,6 +112,7 @@ KVM_SDEI_FLAG_FUNC(enabled) void kvm_sdei_init_vm(struct kvm *kvm); void kvm_sdei_create_vcpu(struct kvm_vcpu *vcpu); int kvm_sdei_hypercall(struct kvm_vcpu *vcpu); +void kvm_sdei_deliver(struct kvm_vcpu *vcpu); void kvm_sdei_destroy_vcpu(struct kvm_vcpu *vcpu); void kvm_sdei_destroy_vm(struct kvm *kvm); diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 2f021aa41632..0c3db1ef1ba9 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -689,6 +689,9 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu) if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu)) kvm_reset_vcpu(vcpu); + if (kvm_check_request(KVM_REQ_SDEI, vcpu)) + kvm_sdei_deliver(vcpu); + /* * Clear IRQ_PENDING requests that were made to guarantee * that a VCPU sees new virtual interrupts. diff --git a/arch/arm64/kvm/sdei.c b/arch/arm64/kvm/sdei.c index 62efee2b67b8..b5d6d1ed3858 100644 --- a/arch/arm64/kvm/sdei.c +++ b/arch/arm64/kvm/sdei.c @@ -671,6 +671,90 @@ int kvm_sdei_hypercall(struct kvm_vcpu *vcpu) return 1; } +void kvm_sdei_deliver(struct kvm_vcpu *vcpu) +{ + struct kvm *kvm = vcpu->kvm; + struct kvm_sdei_kvm *ksdei = kvm->arch.sdei; + struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei; + struct kvm_sdei_event *kse = NULL; + struct kvm_sdei_kvm_event *kske = NULL; + struct kvm_sdei_vcpu_event *ksve = NULL; + struct kvm_sdei_vcpu_regs *regs = NULL; + unsigned long pstate; + int index = 0; + + /* Sanity check */ + if (!(ksdei && vsdei)) + return; + + /* The critical event can't be preempted */ + spin_lock(&vsdei->lock); + if (vsdei->critical_event) + goto unlock; + + /* + * The normal event can be preempted by the critical event. + * However, the normal event can't be preempted by another + * normal event. + */ + ksve = list_first_entry_or_null(&vsdei->critical_events, + struct kvm_sdei_vcpu_event, link); + if (!ksve && !vsdei->normal_event) { + ksve = list_first_entry_or_null(&vsdei->normal_events, + struct kvm_sdei_vcpu_event, link); + } + + if (!ksve) + goto unlock; + + kske = ksve->kske; + kse = kske->kse; + if (kse->state.priority == SDEI_EVENT_PRIORITY_CRITICAL) { + vsdei->critical_event = ksve; + vsdei->state.critical_num = ksve->state.num; + regs = &vsdei->state.critical_regs; + } else { + vsdei->normal_event = ksve; + vsdei->state.normal_num = ksve->state.num; + regs = &vsdei->state.normal_regs; + } + + /* Save registers: x0 -> x17, PC, PState */ + for (index = 0; index < ARRAY_SIZE(regs->regs); index++) + regs->regs[index] = vcpu_get_reg(vcpu, index); + + regs->pc = *vcpu_pc(vcpu); + regs->pstate = *vcpu_cpsr(vcpu); + + /* + * Inject SDEI event: x0 -> x3, PC, PState. We needn't take lock + * for the KVM event as it can't be destroyed because of its + * reference count. + */ + for (index = 0; index < ARRAY_SIZE(regs->regs); index++) + vcpu_set_reg(vcpu, index, 0); + + index = (kse->state.type == SDEI_EVENT_TYPE_PRIVATE) ? + vcpu->vcpu_idx : 0; + vcpu_set_reg(vcpu, 0, kske->state.num); + vcpu_set_reg(vcpu, 1, kske->state.params[index]); + vcpu_set_reg(vcpu, 2, regs->pc); + vcpu_set_reg(vcpu, 3, regs->pstate); + + pstate = regs->pstate; + pstate |= (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT); + pstate &= ~PSR_MODE_MASK; + pstate |= PSR_MODE_EL1h; + pstate &= ~PSR_MODE32_BIT; + + vcpu_write_sys_reg(vcpu, regs->pstate, SPSR_EL1); + *vcpu_cpsr(vcpu) = pstate; + *vcpu_pc(vcpu) = kske->state.entries[index]; + +unlock: + spin_unlock(&vsdei->lock); +} + void kvm_sdei_init_vm(struct kvm *kvm) { struct kvm_sdei_kvm *ksdei; -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Gavin Shan <gshan@redhat.com> To: kvmarm@lists.cs.columbia.edu Cc: maz@kernel.org, linux-kernel@vger.kernel.org, Jonathan.Cameron@huawei.com, pbonzini@redhat.com, will@kernel.org Subject: [PATCH v4 13/21] KVM: arm64: Impment SDEI event delivery Date: Sun, 15 Aug 2021 08:13:44 +0800 [thread overview] Message-ID: <20210815001352.81927-14-gshan@redhat.com> (raw) In-Reply-To: <20210815001352.81927-1-gshan@redhat.com> This implement kvm_sdei_deliver() to support SDEI event delivery. The function is called when the request (KVM_REQ_SDEI) is raised. The following rules are taken according to the SDEI specification: * x0 - x17 are saved. All of them are cleared except the following registered: x0: number SDEI event to be delivered x1: parameter associated with the SDEI event x2: PC of the interrupted context x3: PState of the interrupted context * PC is set to the handler of the SDEI event, which was provided during its registration. PState is modified accordingly. * SDEI event with critical priority can preempt those with normal priority. Signed-off-by: Gavin Shan <gshan@redhat.com> --- arch/arm64/include/asm/kvm_host.h | 1 + arch/arm64/include/asm/kvm_sdei.h | 1 + arch/arm64/kvm/arm.c | 3 ++ arch/arm64/kvm/sdei.c | 84 +++++++++++++++++++++++++++++++ 4 files changed, 89 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index aedf901e1ec7..46f363aa6524 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -47,6 +47,7 @@ #define KVM_REQ_RECORD_STEAL KVM_ARCH_REQ(3) #define KVM_REQ_RELOAD_GICv4 KVM_ARCH_REQ(4) #define KVM_REQ_RELOAD_PMU KVM_ARCH_REQ(5) +#define KVM_REQ_SDEI KVM_ARCH_REQ(6) #define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \ KVM_DIRTY_LOG_INITIALLY_SET) diff --git a/arch/arm64/include/asm/kvm_sdei.h b/arch/arm64/include/asm/kvm_sdei.h index b0abc13a0256..7f5f5ad689e6 100644 --- a/arch/arm64/include/asm/kvm_sdei.h +++ b/arch/arm64/include/asm/kvm_sdei.h @@ -112,6 +112,7 @@ KVM_SDEI_FLAG_FUNC(enabled) void kvm_sdei_init_vm(struct kvm *kvm); void kvm_sdei_create_vcpu(struct kvm_vcpu *vcpu); int kvm_sdei_hypercall(struct kvm_vcpu *vcpu); +void kvm_sdei_deliver(struct kvm_vcpu *vcpu); void kvm_sdei_destroy_vcpu(struct kvm_vcpu *vcpu); void kvm_sdei_destroy_vm(struct kvm *kvm); diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 2f021aa41632..0c3db1ef1ba9 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -689,6 +689,9 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu) if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu)) kvm_reset_vcpu(vcpu); + if (kvm_check_request(KVM_REQ_SDEI, vcpu)) + kvm_sdei_deliver(vcpu); + /* * Clear IRQ_PENDING requests that were made to guarantee * that a VCPU sees new virtual interrupts. diff --git a/arch/arm64/kvm/sdei.c b/arch/arm64/kvm/sdei.c index 62efee2b67b8..b5d6d1ed3858 100644 --- a/arch/arm64/kvm/sdei.c +++ b/arch/arm64/kvm/sdei.c @@ -671,6 +671,90 @@ int kvm_sdei_hypercall(struct kvm_vcpu *vcpu) return 1; } +void kvm_sdei_deliver(struct kvm_vcpu *vcpu) +{ + struct kvm *kvm = vcpu->kvm; + struct kvm_sdei_kvm *ksdei = kvm->arch.sdei; + struct kvm_sdei_vcpu *vsdei = vcpu->arch.sdei; + struct kvm_sdei_event *kse = NULL; + struct kvm_sdei_kvm_event *kske = NULL; + struct kvm_sdei_vcpu_event *ksve = NULL; + struct kvm_sdei_vcpu_regs *regs = NULL; + unsigned long pstate; + int index = 0; + + /* Sanity check */ + if (!(ksdei && vsdei)) + return; + + /* The critical event can't be preempted */ + spin_lock(&vsdei->lock); + if (vsdei->critical_event) + goto unlock; + + /* + * The normal event can be preempted by the critical event. + * However, the normal event can't be preempted by another + * normal event. + */ + ksve = list_first_entry_or_null(&vsdei->critical_events, + struct kvm_sdei_vcpu_event, link); + if (!ksve && !vsdei->normal_event) { + ksve = list_first_entry_or_null(&vsdei->normal_events, + struct kvm_sdei_vcpu_event, link); + } + + if (!ksve) + goto unlock; + + kske = ksve->kske; + kse = kske->kse; + if (kse->state.priority == SDEI_EVENT_PRIORITY_CRITICAL) { + vsdei->critical_event = ksve; + vsdei->state.critical_num = ksve->state.num; + regs = &vsdei->state.critical_regs; + } else { + vsdei->normal_event = ksve; + vsdei->state.normal_num = ksve->state.num; + regs = &vsdei->state.normal_regs; + } + + /* Save registers: x0 -> x17, PC, PState */ + for (index = 0; index < ARRAY_SIZE(regs->regs); index++) + regs->regs[index] = vcpu_get_reg(vcpu, index); + + regs->pc = *vcpu_pc(vcpu); + regs->pstate = *vcpu_cpsr(vcpu); + + /* + * Inject SDEI event: x0 -> x3, PC, PState. We needn't take lock + * for the KVM event as it can't be destroyed because of its + * reference count. + */ + for (index = 0; index < ARRAY_SIZE(regs->regs); index++) + vcpu_set_reg(vcpu, index, 0); + + index = (kse->state.type == SDEI_EVENT_TYPE_PRIVATE) ? + vcpu->vcpu_idx : 0; + vcpu_set_reg(vcpu, 0, kske->state.num); + vcpu_set_reg(vcpu, 1, kske->state.params[index]); + vcpu_set_reg(vcpu, 2, regs->pc); + vcpu_set_reg(vcpu, 3, regs->pstate); + + pstate = regs->pstate; + pstate |= (PSR_D_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT); + pstate &= ~PSR_MODE_MASK; + pstate |= PSR_MODE_EL1h; + pstate &= ~PSR_MODE32_BIT; + + vcpu_write_sys_reg(vcpu, regs->pstate, SPSR_EL1); + *vcpu_cpsr(vcpu) = pstate; + *vcpu_pc(vcpu) = kske->state.entries[index]; + +unlock: + spin_unlock(&vsdei->lock); +} + void kvm_sdei_init_vm(struct kvm *kvm) { struct kvm_sdei_kvm *ksdei; -- 2.23.0 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2021-08-15 0:15 UTC|newest] Thread overview: 158+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-15 0:13 [PATCH v4 00/21] Support SDEI Virtualization Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 01/21] KVM: arm64: Introduce template for inline functions Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 15:26 ` Eric Auger 2021-11-09 15:26 ` Eric Auger 2022-01-11 7:52 ` Gavin Shan 2022-01-11 7:52 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 02/21] KVM: arm64: Add SDEI virtualization infrastructure Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 15:45 ` Eric Auger 2021-11-09 15:45 ` Eric Auger 2022-01-11 9:20 ` Gavin Shan 2022-01-11 9:20 ` Gavin Shan 2022-01-27 13:17 ` Eric Auger 2022-01-27 13:17 ` Eric Auger 2022-01-11 9:40 ` Shannon Zhao 2022-01-11 9:40 ` Shannon Zhao 2022-01-13 7:09 ` Gavin Shan 2022-01-13 7:09 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 03/21] KVM: arm64: Support SDEI_VERSION hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 15:26 ` Eric Auger 2021-11-09 15:26 ` Eric Auger 2022-01-11 9:25 ` Gavin Shan 2022-01-11 9:25 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 04/21] KVM: arm64: Support SDEI_EVENT_REGISTER hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 15:50 ` Eric Auger 2021-11-09 15:50 ` Eric Auger 2022-01-12 2:19 ` Gavin Shan 2022-01-12 2:19 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 05/21] KVM: arm64: Support SDEI_EVENT_{ENABLE, DISABLE} hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 16:02 ` Eric Auger 2021-11-09 16:02 ` Eric Auger 2022-01-12 2:29 ` Gavin Shan 2022-01-12 2:29 ` Gavin Shan 2022-01-25 18:23 ` Eric Auger 2022-01-25 18:23 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 06/21] KVM: arm64: Support SDEI_EVENT_CONTEXT hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 11:16 ` Eric Auger 2021-11-10 11:16 ` Eric Auger 2022-01-12 2:33 ` Gavin Shan 2022-01-12 2:33 ` Gavin Shan 2022-01-25 18:29 ` Eric Auger 2022-01-25 18:29 ` Eric Auger 2022-01-11 9:43 ` Shannon Zhao 2022-01-11 9:43 ` Shannon Zhao 2022-01-13 7:02 ` Gavin Shan 2022-01-13 7:02 ` Gavin Shan 2022-01-13 7:13 ` Gavin Shan 2022-01-13 7:13 ` Gavin Shan 2022-01-25 18:32 ` Eric Auger 2022-01-25 18:32 ` Eric Auger 2022-01-25 18:31 ` Eric Auger 2022-01-25 18:31 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 07/21] KVM: arm64: Support SDEI_EVENT_UNREGISTER hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 17:05 ` Eric Auger 2021-11-09 17:05 ` Eric Auger 2022-01-12 2:38 ` Gavin Shan 2022-01-12 2:38 ` Gavin Shan 2022-01-25 18:42 ` Eric Auger 2022-01-25 18:42 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 08/21] KVM: arm64: Support SDEI_EVENT_STATUS hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 17:12 ` Eric Auger 2021-11-09 17:12 ` Eric Auger 2022-01-12 2:40 ` Gavin Shan 2022-01-12 2:40 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 09/21] KVM: arm64: Support SDEI_EVENT_GET_INFO hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 17:19 ` Eric Auger 2021-11-09 17:19 ` Eric Auger 2022-01-12 2:46 ` Gavin Shan 2022-01-12 2:46 ` Gavin Shan 2022-01-27 14:19 ` Eric Auger 2022-01-27 14:19 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 10/21] KVM: arm64: Support SDEI_EVENT_ROUTING_SET hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 18:47 ` Eric Auger 2021-11-09 18:47 ` Eric Auger 2022-01-12 2:54 ` Gavin Shan 2022-01-12 2:54 ` Gavin Shan 2022-01-27 14:13 ` Eric Auger 2022-01-27 14:13 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 11/21] KVM: arm64: Support SDEI_PE_{MASK, UNMASK} hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 20:31 ` Eric Auger 2021-11-09 20:31 ` Eric Auger 2022-01-12 2:58 ` Gavin Shan 2022-01-12 2:58 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 12/21] KVM: arm64: Support SDEI_{PRIVATE, SHARED}_RESET hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-09 20:37 ` Eric Auger 2021-11-09 20:37 ` Eric Auger 2022-01-12 3:01 ` Gavin Shan 2022-01-12 3:01 ` Gavin Shan 2021-08-15 0:13 ` Gavin Shan [this message] 2021-08-15 0:13 ` [PATCH v4 13/21] KVM: arm64: Impment SDEI event delivery Gavin Shan 2021-11-10 10:58 ` Eric Auger 2021-11-10 10:58 ` Eric Auger 2022-01-12 6:34 ` Gavin Shan 2022-01-12 6:34 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 14/21] KVM: arm64: Support SDEI_EVENT_{COMPLETE, COMPLETE_AND_RESUME} hypercall Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 10:58 ` Eric Auger 2021-11-10 10:58 ` Eric Auger 2022-01-12 6:43 ` Gavin Shan 2022-01-12 6:43 ` Gavin Shan 2022-01-27 14:47 ` Eric Auger 2022-01-27 14:47 ` Eric Auger 2022-01-27 15:20 ` Eric Auger 2022-01-27 15:20 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 15/21] KVM: arm64: Support SDEI event notifier Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 11:35 ` Eric Auger 2021-11-10 11:35 ` Eric Auger 2022-01-12 6:48 ` Gavin Shan 2022-01-12 6:48 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 16/21] KVM: arm64: Support SDEI ioctl commands on VM Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 13:48 ` Eric Auger 2021-11-10 13:48 ` Eric Auger 2022-01-12 7:03 ` Gavin Shan 2022-01-12 7:03 ` Gavin Shan 2022-01-27 13:48 ` Eric Auger 2022-01-27 13:48 ` Eric Auger 2021-08-15 0:13 ` [PATCH v4 17/21] KVM: arm64: Support SDEI ioctl commands on vCPU Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 18/21] KVM: arm64: Support SDEI event injection Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 14:05 ` Eric Auger 2021-11-10 14:05 ` Eric Auger 2022-01-12 7:12 ` Gavin Shan 2022-01-12 7:12 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 19/21] KVM: arm64: Support SDEI event cancellation Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 14:09 ` Eric Auger 2021-11-10 14:09 ` Eric Auger 2022-01-12 7:19 ` Gavin Shan 2022-01-12 7:19 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 20/21] KVM: arm64: Export SDEI capability Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-11-10 13:55 ` Eric Auger 2021-11-10 13:55 ` Eric Auger 2022-01-12 7:20 ` Gavin Shan 2022-01-12 7:20 ` Gavin Shan 2021-08-15 0:13 ` [PATCH v4 21/21] KVM: selftests: Add SDEI test case Gavin Shan 2021-08-15 0:13 ` Gavin Shan 2021-08-15 0:19 ` [PATCH v4 00/21] Support SDEI Virtualization Gavin Shan 2021-08-15 0:19 ` Gavin Shan 2021-11-10 14:29 ` Eric Auger 2021-11-10 14:29 ` Eric Auger 2022-01-12 7:24 ` Gavin Shan 2022-01-12 7:24 ` Gavin Shan
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