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
  ...

1 files changed, 16 insertions, 14 deletions

diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c
index 58141f31ea8f..41dcc845f78c 100644
--- a/virt/kvm/kvm_trace.c
+++ b/virt/kvm/kvm_trace.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/relay.h>
 #include <linux/debugfs.h>
+#include <linux/ktime.h>
 
 #include <linux/kvm_host.h>
 
@@ -35,16 +36,16 @@ static struct kvm_trace *kvm_trace;
 struct kvm_trace_probe {
 	const char *name;
 	const char *format;
-	u32 cycle_in;
+	u32 timestamp_in;
 	marker_probe_func *probe_func;
 };
 
-static inline int calc_rec_size(int cycle, int extra)
+static inline int calc_rec_size(int timestamp, int extra)
 {
 	int rec_size = KVM_TRC_HEAD_SIZE;
 
 	rec_size += extra;
-	return cycle ? rec_size += KVM_TRC_CYCLE_SIZE : rec_size;
+	return timestamp ? rec_size += KVM_TRC_CYCLE_SIZE : rec_size;
 }
 
 static void kvm_add_trace(void *probe_private, void *call_data,
@@ -54,12 +55,13 @@ static void kvm_add_trace(void *probe_private, void *call_data,
 	struct kvm_trace *kt = kvm_trace;
 	struct kvm_trace_rec rec;
 	struct kvm_vcpu *vcpu;
-	int    i, extra, size;
+	int    i, size;
+	u32    extra;
 
 	if (unlikely(kt->trace_state != KVM_TRACE_STATE_RUNNING))
 		return;
 
-	rec.event	= va_arg(*args, u32);
+	rec.rec_val	= TRACE_REC_EVENT_ID(va_arg(*args, u32));
 	vcpu		= va_arg(*args, struct kvm_vcpu *);
 	rec.pid		= current->tgid;
 	rec.vcpu_id	= vcpu->vcpu_id;
@@ -67,21 +69,21 @@ static void kvm_add_trace(void *probe_private, void *call_data,
 	extra   	= va_arg(*args, u32);
 	WARN_ON(!(extra <= KVM_TRC_EXTRA_MAX));
 	extra 		= min_t(u32, extra, KVM_TRC_EXTRA_MAX);
-	rec.extra_u32   = extra;
 
-	rec.cycle_in 	= p->cycle_in;
+	rec.rec_val |= TRACE_REC_TCS(p->timestamp_in)
+			| TRACE_REC_NUM_DATA_ARGS(extra);
 
-	if (rec.cycle_in) {
-		rec.u.cycle.cycle_u64 = get_cycles();
+	if (p->timestamp_in) {
+		rec.u.timestamp.timestamp = ktime_to_ns(ktime_get());
 
-		for (i = 0; i < rec.extra_u32; i++)
-			rec.u.cycle.extra_u32[i] = va_arg(*args, u32);
+		for (i = 0; i < extra; i++)
+			rec.u.timestamp.extra_u32[i] = va_arg(*args, u32);
 	} else {
-		for (i = 0; i < rec.extra_u32; i++)
-			rec.u.nocycle.extra_u32[i] = va_arg(*args, u32);
+		for (i = 0; i < extra; i++)
+			rec.u.notimestamp.extra_u32[i] = va_arg(*args, u32);
 	}
 
-	size = calc_rec_size(rec.cycle_in, rec.extra_u32 * sizeof(u32));
+	size = calc_rec_size(p->timestamp_in, extra * sizeof(u32));
 	relay_write(kt->rchan, &rec, size);
 }