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From: Zhang, Yanmin on 21 Jun 2010 05:40
The 5th patch is applied to the latest qemu-kvm tree.

Signed-off-by: Zhang Yanmin <yanmin_zhang(a)linux.intel.com>

---

diff -Nraup qemu-kvm_0621/kvm/include/linux/kvm.h qemu-kvm_0621_perf/kvm/include/linux/kvm.h
--- qemu-kvm_0621/kvm/include/linux/kvm.h 2010-06-21 11:00:28.000000000 +0800
+++ qemu-kvm_0621_perf/kvm/include/linux/kvm.h 2010-06-21 13:23:51.537999849 +0800
@@ -530,6 +530,7 @@ struct kvm_enable_cap {
#ifdef __KVM_HAVE_XCRS
#define KVM_CAP_XCRS 56
#endif
+#define KVM_CAP_PV_PERF 57

#ifdef KVM_CAP_IRQ_ROUTING

diff -Nraup qemu-kvm_0621/kvm/include/x86/asm/kvm_para.h qemu-kvm_0621_perf/kvm/include/x86/asm/kvm_para.h
--- qemu-kvm_0621/kvm/include/x86/asm/kvm_para.h 2010-06-21 11:00:28.000000000 +0800
+++ qemu-kvm_0621_perf/kvm/include/x86/asm/kvm_para.h 2010-06-21 13:27:04.375999849 +0800
@@ -15,6 +15,7 @@
#define KVM_FEATURE_CLOCKSOURCE 0
#define KVM_FEATURE_NOP_IO_DELAY 1
#define KVM_FEATURE_MMU_OP 2
+#define KVM_FEATURE_PV_PERF 4

#define MSR_KVM_WALL_CLOCK 0x11
#define MSR_KVM_SYSTEM_TIME 0x12
diff -Nraup qemu-kvm_0621/target-i386/kvm.c qemu-kvm_0621_perf/target-i386/kvm.c
--- qemu-kvm_0621/target-i386/kvm.c 2010-06-21 11:00:29.000000000 +0800
+++ qemu-kvm_0621_perf/target-i386/kvm.c 2010-06-21 13:00:14.136999850 +0800
@@ -150,6 +150,9 @@ struct kvm_para_features {
#ifdef KVM_CAP_PV_MMU
{ KVM_CAP_PV_MMU, KVM_FEATURE_MMU_OP },
#endif
+#ifdef KVM_CAP_PV_PERF
+ { KVM_CAP_PV_PERF, KVM_FEATURE_PV_PERF },
+#endif
{ -1, -1 }
};


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Prev: [PATCH V2 1/5] ara virt interface of perf to support kvm guest os statistics collection in guest os
Next: trying to understand READ_META, READ_SYNC, WRITE_SYNC & co