diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 15:36:00 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-16 15:36:00 -0700 |
commit | 08d19f51f05a68ce89a289320ce4ed96e757df72 (patch) | |
tree | 31c5d718d0aeaff5083fe533cd6e1f9fbbe846bb /virt/kvm/ioapic.c | |
parent | 1c95e1b69073cff5ff179e592fa1a1e182c78a17 (diff) | |
parent | 2381ad241d0bea1253a37f314b270848067640bb (diff) |
Merge branch 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (134 commits)
KVM: ia64: Add intel iommu support for guests.
KVM: ia64: add directed mmio range support for kvm guests
KVM: ia64: Make pmt table be able to hold physical mmio entries.
KVM: Move irqchip_in_kernel() from ioapic.h to irq.h
KVM: Separate irq ack notification out of arch/x86/kvm/irq.c
KVM: Change is_mmio_pfn to kvm_is_mmio_pfn, and make it common for all archs
KVM: Move device assignment logic to common code
KVM: Device Assignment: Move vtd.c from arch/x86/kvm/ to virt/kvm/
KVM: VMX: enable invlpg exiting if EPT is disabled
KVM: x86: Silence various LAPIC-related host kernel messages
KVM: Device Assignment: Map mmio pages into VT-d page table
KVM: PIC: enhance IPI avoidance
KVM: MMU: add "oos_shadow" parameter to disable oos
KVM: MMU: speed up mmu_unsync_walk
KVM: MMU: out of sync shadow core
KVM: MMU: mmu_convert_notrap helper
KVM: MMU: awareness of new kvm_mmu_zap_page behaviour
KVM: MMU: mmu_parent_walk
KVM: x86: trap invlpg
KVM: MMU: sync roots on mmu reload
...
Diffstat (limited to 'virt/kvm/ioapic.c')
-rw-r--r-- | virt/kvm/ioapic.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index c0d22870ee9..53772bb4632 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -39,6 +39,7 @@ #include "ioapic.h" #include "lapic.h" +#include "irq.h" #if 0 #define ioapic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) @@ -285,26 +286,31 @@ void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level) } } -static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi) +static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi, + int trigger_mode) { union ioapic_redir_entry *ent; ent = &ioapic->redirtbl[gsi]; - ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG); - ent->fields.remote_irr = 0; - if (!ent->fields.mask && (ioapic->irr & (1 << gsi))) - ioapic_service(ioapic, gsi); + kvm_notify_acked_irq(ioapic->kvm, gsi); + + if (trigger_mode == IOAPIC_LEVEL_TRIG) { + ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG); + ent->fields.remote_irr = 0; + if (!ent->fields.mask && (ioapic->irr & (1 << gsi))) + ioapic_service(ioapic, gsi); + } } -void kvm_ioapic_update_eoi(struct kvm *kvm, int vector) +void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode) { struct kvm_ioapic *ioapic = kvm->arch.vioapic; int i; for (i = 0; i < IOAPIC_NUM_PINS; i++) if (ioapic->redirtbl[i].fields.vector == vector) - __kvm_ioapic_update_eoi(ioapic, i); + __kvm_ioapic_update_eoi(ioapic, i, trigger_mode); } static int ioapic_in_range(struct kvm_io_device *this, gpa_t addr, @@ -380,7 +386,7 @@ static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, break; #ifdef CONFIG_IA64 case IOAPIC_REG_EOI: - kvm_ioapic_update_eoi(ioapic->kvm, data); + kvm_ioapic_update_eoi(ioapic->kvm, data, IOAPIC_LEVEL_TRIG); break; #endif |