diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 09:30:10 +1100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-31 09:30:10 +1100 |
| commit | 2c57ee6f924c95e4dce61ed4776fb3f62e1b9f92 (patch) | |
| tree | b9d92e52e8c0ee68a0f5012b470c6146a9f0b65a /drivers/kvm/irq.c | |
| parent | f389e9fcecdec4c4cb890ad28ea30a87a579ec3e (diff) | |
| parent | 2f52d58c92d971bf421f461ad06eb93fb4f34981 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (249 commits)
KVM: Move apic timer migration away from critical section
KVM: Put kvm_para.h include outside __KERNEL__
KVM: Fix unbounded preemption latency
KVM: Initialize the mmu caches only after verifying cpu support
KVM: MMU: Fix dirty page setting for pages removed from rmap
KVM: Portability: Move kvm_fpu to asm-x86/kvm.h
KVM: x86 emulator: Only allow VMCALL/VMMCALL trapped by #UD
KVM: MMU: Merge shadow level check in FNAME(fetch)
KVM: MMU: Move kvm_free_some_pages() into critical section
KVM: MMU: Switch to mmu spinlock
KVM: MMU: Avoid calling gfn_to_page() in mmu_set_spte()
KVM: Add kvm_read_guest_atomic()
KVM: MMU: Concurrent guest walkers
KVM: Disable vapic support on Intel machines with FlexPriority
KVM: Accelerated apic support
KVM: local APIC TPR access reporting facility
KVM: Print data for unimplemented wrmsr
KVM: MMU: Add cache miss statistic
KVM: MMU: Coalesce remote tlb flushes
KVM: Expose ioapic to ia64 save/restore APIs
...
Diffstat (limited to 'drivers/kvm/irq.c')
| -rw-r--r-- | drivers/kvm/irq.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/kvm/irq.c b/drivers/kvm/irq.c deleted file mode 100644 index 7628c7ff628..00000000000 --- a/drivers/kvm/irq.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * irq.c: API for in kernel interrupt controller - * Copyright (c) 2007, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 Temple - * Place - Suite 330, Boston, MA 02111-1307 USA. - * Authors: - * Yaozu (Eddie) Dong <Eddie.dong@intel.com> - * - */ - -#include <linux/module.h> - -#include "kvm.h" -#include "irq.h" - -/* - * check if there is pending interrupt without - * intack. - */ -int kvm_cpu_has_interrupt(struct kvm_vcpu *v) -{ - struct kvm_pic *s; - - if (kvm_apic_has_interrupt(v) == -1) { /* LAPIC */ - if (kvm_apic_accept_pic_intr(v)) { - s = pic_irqchip(v->kvm); /* PIC */ - return s->output; - } else - return 0; - } - return 1; -} -EXPORT_SYMBOL_GPL(kvm_cpu_has_interrupt); - -/* - * Read pending interrupt vector and intack. - */ -int kvm_cpu_get_interrupt(struct kvm_vcpu *v) -{ - struct kvm_pic *s; - int vector; - - vector = kvm_get_apic_interrupt(v); /* APIC */ - if (vector == -1) { - if (kvm_apic_accept_pic_intr(v)) { - s = pic_irqchip(v->kvm); - s->output = 0; /* PIC */ - vector = kvm_pic_read_irq(s); - } - } - return vector; -} -EXPORT_SYMBOL_GPL(kvm_cpu_get_interrupt); - -static void vcpu_kick_intr(void *info) -{ -#ifdef DEBUG - struct kvm_vcpu *vcpu = (struct kvm_vcpu *)info; - printk(KERN_DEBUG "vcpu_kick_intr %p \n", vcpu); -#endif -} - -void kvm_vcpu_kick(struct kvm_vcpu *vcpu) -{ - int ipi_pcpu = vcpu->cpu; - - if (waitqueue_active(&vcpu->wq)) { - wake_up_interruptible(&vcpu->wq); - ++vcpu->stat.halt_wakeup; - } - if (vcpu->guest_mode) - smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0); -} - -void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu) -{ - kvm_inject_apic_timer_irqs(vcpu); - /* TODO: PIT, RTC etc. */ -} -EXPORT_SYMBOL_GPL(kvm_inject_pending_timer_irqs); - -void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec) -{ - kvm_apic_timer_intr_post(vcpu, vec); - /* TODO: PIT, RTC etc. */ -} -EXPORT_SYMBOL_GPL(kvm_timer_intr_post); |
