aboutsummaryrefslogtreecommitdiff
path: root/drivers/kvm
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-15 08:22:16 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-15 08:22:16 -0700
commitb5869ce7f68b233ceb81465a7644be0d9a5f3dbb (patch)
treee3611e7f038a4a4fa813532ae57a9a626fa1434d /drivers/kvm
parentdf3d80f5a5c74168be42788364d13cf6c83c7b9c (diff)
parent9c63d9c021f375a2708ad79043d6f4dd1291a085 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: (140 commits) sched: sync wakeups preempt too sched: affine sync wakeups sched: guest CPU accounting: maintain guest state in KVM sched: guest CPU accounting: maintain stats in account_system_time() sched: guest CPU accounting: add guest-CPU /proc/<pid>/stat fields sched: guest CPU accounting: add guest-CPU /proc/stat field sched: domain sysctl fixes: add terminator comment sched: domain sysctl fixes: do not crash on allocation failure sched: domain sysctl fixes: unregister the sysctl table before domains sched: domain sysctl fixes: use for_each_online_cpu() sched: domain sysctl fixes: use kcalloc() Make scheduler debug file operations const sched: enable wake-idle on CONFIG_SCHED_MC=y sched: reintroduce topology.h tunings sched: allow the immediate migration of cache-cold tasks sched: debug, improve migration statistics sched: debug: increase width of debug line sched: activate task_hot() only on fair-scheduled tasks sched: reintroduce cache-hot affinity sched: speed up context-switches a bit ...
Diffstat (limited to 'drivers/kvm')
-rw-r--r--drivers/kvm/kvm.h10
-rw-r--r--drivers/kvm/kvm_main.c2
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index ad0813843ad..3b0bc4bda5f 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -624,6 +624,16 @@ void kvm_mmu_unload(struct kvm_vcpu *vcpu);
int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run);
+static inline void kvm_guest_enter(void)
+{
+ current->flags |= PF_VCPU;
+}
+
+static inline void kvm_guest_exit(void)
+{
+ current->flags &= ~PF_VCPU;
+}
+
static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
u32 error_code)
{
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 353e58527d1..af2d288c881 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -2046,6 +2046,7 @@ again:
kvm_x86_ops->inject_pending_vectors(vcpu, kvm_run);
vcpu->guest_mode = 1;
+ kvm_guest_enter();
if (vcpu->requests)
if (test_and_clear_bit(KVM_TLB_FLUSH, &vcpu->requests))
@@ -2053,6 +2054,7 @@ again:
kvm_x86_ops->run(vcpu, kvm_run);
+ kvm_guest_exit();
vcpu->guest_mode = 0;
local_irq_enable();