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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-24 15:47:25 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-24 15:47:25 -0400
commit1765a1fe5d6f82c0eceb1ad10594cfc83759b6d0 (patch)
treea701020f0fa3a1932a36d174c5fffd20496303a9 /arch/x86/kvm/lapic.c
parentbdaf12b41235b0c59949914de022341e77907461 (diff)
parent2a31339aa014c0d0b97c57d3ebc997732f8f47fc (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.c15
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 @@
5 * Copyright (C) 2006 Qumranet, Inc. 5 * Copyright (C) 2006 Qumranet, Inc.
6 * Copyright (C) 2007 Novell 6 * Copyright (C) 2007 Novell
7 * Copyright (C) 2007 Intel 7 * Copyright (C) 2007 Intel
8 * Copyright 2009 Red Hat, Inc. and/or its affilates. 8 * Copyright 2009 Red Hat, Inc. and/or its affiliates.
9 * 9 *
10 * Authors: 10 * Authors:
11 * Dor Laor <dor.laor@qumranet.com> 11 * Dor Laor <dor.laor@qumranet.com>
@@ -259,9 +259,10 @@ static inline int apic_find_highest_isr(struct kvm_lapic *apic)
259 259
260static void apic_update_ppr(struct kvm_lapic *apic) 260static void apic_update_ppr(struct kvm_lapic *apic)
261{ 261{
262 u32 tpr, isrv, ppr; 262 u32 tpr, isrv, ppr, old_ppr;
263 int isr; 263 int isr;
264 264
265 old_ppr = apic_get_reg(apic, APIC_PROCPRI);
265 tpr = apic_get_reg(apic, APIC_TASKPRI); 266 tpr = apic_get_reg(apic, APIC_TASKPRI);
266 isr = apic_find_highest_isr(apic); 267 isr = apic_find_highest_isr(apic);
267 isrv = (isr != -1) ? isr : 0; 268 isrv = (isr != -1) ? isr : 0;
@@ -274,7 +275,10 @@ static void apic_update_ppr(struct kvm_lapic *apic)
274 apic_debug("vlapic %p, ppr 0x%x, isr 0x%x, isrv 0x%x", 275 apic_debug("vlapic %p, ppr 0x%x, isr 0x%x, isrv 0x%x",
275 apic, ppr, isr, isrv); 276 apic, ppr, isr, isrv);
276 277
277 apic_set_reg(apic, APIC_PROCPRI, ppr); 278 if (old_ppr != ppr) {
279 apic_set_reg(apic, APIC_PROCPRI, ppr);
280 kvm_make_request(KVM_REQ_EVENT, apic->vcpu);
281 }
278} 282}
279 283
280static void apic_set_tpr(struct kvm_lapic *apic, u32 tpr) 284static 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,
391 break; 395 break;
392 } 396 }
393 397
398 kvm_make_request(KVM_REQ_EVENT, vcpu);
394 kvm_vcpu_kick(vcpu); 399 kvm_vcpu_kick(vcpu);
395 break; 400 break;
396 401
@@ -416,6 +421,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
416 "INIT on a runnable vcpu %d\n", 421 "INIT on a runnable vcpu %d\n",
417 vcpu->vcpu_id); 422 vcpu->vcpu_id);
418 vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED; 423 vcpu->arch.mp_state = KVM_MP_STATE_INIT_RECEIVED;
424 kvm_make_request(KVM_REQ_EVENT, vcpu);
419 kvm_vcpu_kick(vcpu); 425 kvm_vcpu_kick(vcpu);
420 } else { 426 } else {
421 apic_debug("Ignoring de-assert INIT to vcpu %d\n", 427 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,
430 result = 1; 436 result = 1;
431 vcpu->arch.sipi_vector = vector; 437 vcpu->arch.sipi_vector = vector;
432 vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED; 438 vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED;
439 kvm_make_request(KVM_REQ_EVENT, vcpu);
433 kvm_vcpu_kick(vcpu); 440 kvm_vcpu_kick(vcpu);
434 } 441 }
435 break; 442 break;
@@ -475,6 +482,7 @@ static void apic_set_eoi(struct kvm_lapic *apic)
475 trigger_mode = IOAPIC_EDGE_TRIG; 482 trigger_mode = IOAPIC_EDGE_TRIG;
476 if (!(apic_get_reg(apic, APIC_SPIV) & APIC_SPIV_DIRECTED_EOI)) 483 if (!(apic_get_reg(apic, APIC_SPIV) & APIC_SPIV_DIRECTED_EOI))
477 kvm_ioapic_update_eoi(apic->vcpu->kvm, vector, trigger_mode); 484 kvm_ioapic_update_eoi(apic->vcpu->kvm, vector, trigger_mode);
485 kvm_make_request(KVM_REQ_EVENT, apic->vcpu);
478} 486}
479 487
480static void apic_send_ipi(struct kvm_lapic *apic) 488static void apic_send_ipi(struct kvm_lapic *apic)
@@ -1151,6 +1159,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu)
1151 update_divide_count(apic); 1159 update_divide_count(apic);
1152 start_apic_timer(apic); 1160 start_apic_timer(apic);
1153 apic->irr_pending = true; 1161 apic->irr_pending = true;
1162 kvm_make_request(KVM_REQ_EVENT, vcpu);
1154} 1163}
1155 1164
1156void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu) 1165void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)