aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
authorJoerg Roedel <joerg.roedel@amd.com>2008-04-30 17:56:04 +0200
committerAvi Kivity <avi@qumranet.com>2008-07-20 12:40:48 +0300
commitd2ebb4103ff349af6dac14955bf93e57487a6694 (patch)
tree5c205c2e36c4c4334855455336427d676e9535c0 /arch/x86
parentaf9ca2d703f4cefbf6441bfe127c4191092ad394 (diff)
downloadkernel_samsung_espresso10-d2ebb4103ff349af6dac14955bf93e57487a6694.zip
kernel_samsung_espresso10-d2ebb4103ff349af6dac14955bf93e57487a6694.tar.gz
kernel_samsung_espresso10-d2ebb4103ff349af6dac14955bf93e57487a6694.tar.bz2
KVM: SVM: add tracing support for TDP page faults
To distinguish between real page faults and nested page faults they should be traced as different events. This is implemented by this patch. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kvm/svm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 8953292..218949c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1011,6 +1011,10 @@ static int pf_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
KVMTRACE_3D(PAGE_FAULT, &svm->vcpu, error_code,
(u32)fault_address, (u32)(fault_address >> 32),
handler);
+ else
+ KVMTRACE_3D(TDP_FAULT, &svm->vcpu, error_code,
+ (u32)fault_address, (u32)(fault_address >> 32),
+ handler);
return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
}