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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-24 12:47:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-24 12:47:25 -0700 |
commit | 1765a1fe5d6f82c0eceb1ad10594cfc83759b6d0 (patch) | |
tree | a701020f0fa3a1932a36d174c5fffd20496303a9 /arch/x86/kvm/lapic.c | |
parent | bdaf12b41235b0c59949914de022341e77907461 (diff) | |
parent | 2a31339aa014c0d0b97c57d3ebc997732f8f47fc (diff) |
Merge branch 'kvm-updates/2.6.37' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/2.6.37' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (321 commits)
KVM: Drop CONFIG_DMAR dependency around kvm_iommu_map_pages
KVM: Fix signature of kvm_iommu_map_pages stub
KVM: MCE: Send SRAR SIGBUS directly
KVM: MCE: Add MCG_SER_P into KVM_MCE_CAP_SUPPORTED
KVM: fix typo in copyright notice
KVM: Disable interrupts around get_kernel_ns()
KVM: MMU: Avoid sign extension in mmu_alloc_direct_roots() pae root address
KVM: MMU: move access code parsing to FNAME(walk_addr) function
KVM: MMU: audit: check whether have unsync sps after root sync
KVM: MMU: audit: introduce audit_printk to cleanup audit code
KVM: MMU: audit: unregister audit tracepoints before module unloaded
KVM: MMU: audit: fix vcpu's spte walking
KVM: MMU: set access bit for direct mapping
KVM: MMU: cleanup for error mask set while walk guest page table
KVM: MMU: update 'root_hpa' out of loop in PAE shadow path
KVM: x86 emulator: Eliminate compilation warning in x86_decode_insn()
KVM: x86: Fix constant type in kvm_get_time_scale
KVM: VMX: Add AX to list of registers clobbered by guest switch
KVM guest: Move a printk that's using the clock before it's ready
KVM: x86: TSC catchup mode
...
Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r-- | arch/x86/kvm/lapic.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 22b06f7660f4..413f8973a855 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -5,7 +5,7 @@ * Copyright (C) 2006 Qumranet, Inc. * Copyright (C) 2007 Novell * Copyright (C) 2007 Intel - * Copyright 2009 Red Hat, Inc. and/or its affilates. + * Copyright 2009 Red Hat, Inc. and/or its affiliates. * * Authors: * Dor Laor <dor.laor@qumranet.com> @@ -259,9 +259,10 @@ static inline int apic_find_highest_isr(struct kvm_lapic *apic) static void apic_update_ppr(struct kvm_lapic *apic) { - u32 tpr, isrv, ppr; + u32 tpr, isrv, ppr, old_ppr; int isr; + old_ppr = apic_get_reg(apic, APIC_PROCPRI); tpr = apic_get_reg(apic, APIC_TASKPRI); isr = apic_find_highest_isr(apic); isrv = (isr != -1) ? isr : 0; @@ -274,7 +275,10 @@ static void apic_update_ppr(struct kvm_lapic *apic) apic_debug("vlapic %p, ppr 0x%x, isr 0x%x, isrv 0x%x", apic, ppr, isr, isrv); - apic_set_reg(apic, APIC_PROCPRI, ppr); + if (old_ppr != ppr) { + apic_set_reg(apic, APIC_PROCPRI, ppr); + kvm_make_request(KVM_REQ_EVENT, apic->vcpu); + } } static void apic_set_tpr(struct kvm_lapic *apic, u32 tpr) @@ -391,6 +395,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, break; } + kvm_make_request(KVM_REQ_EVENT, vcpu); kvm_vcpu_kick(vcpu); break; @@ -416,6 +421,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, "INIT on a runnable vcpu %d\n", vcpu->vcpu_id); vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; + kvm_make_request(KVM_REQ_EVENT, vcpu); kvm_vcpu_kick(vcpu); } else { apic_debug("Ignoring de-assert INIT to vcpu %d\n", @@ -430,6 +436,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, result = 1; vcpu->arch.sipi_vector = vector; vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED; + kvm_make_request(KVM_REQ_EVENT, vcpu); kvm_vcpu_kick(vcpu); } break; @@ -475,6 +482,7 @@ static void apic_set_eoi(struct kvm_lapic *apic) trigger_mode = IOAPIC_EDGE_TRIG; if (!(apic_get_reg(apic, APIC_SPIV) & APIC_SPIV_DIRECTED_EOI)) kvm_ioapic_update_eoi(apic->vcpu->kvm, vector, trigger_mode); + kvm_make_request(KVM_REQ_EVENT, apic->vcpu); } static void apic_send_ipi(struct kvm_lapic *apic) @@ -1151,6 +1159,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu) update_divide_count(apic); start_apic_timer(apic); apic->irr_pending = true; + kvm_make_request(KVM_REQ_EVENT, vcpu); } void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu) |