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authorneel <neel@FreeBSD.org>2014-09-27 22:15:50 +0000
committerneel <neel@FreeBSD.org>2014-09-27 22:15:50 +0000
commit09ab9e29373f2b48f72ff71789f6afc0e01c2c91 (patch)
tree946f5a62ce46b853d35291bd0a8f36622d72980b /sys/amd64/vmm/vmm.c
parent11f176f81434584587aa1973f46fae8948a837b2 (diff)
parent54f38c8738077e829c5528976a3269afc01ff7ee (diff)
downloadFreeBSD-src-09ab9e29373f2b48f72ff71789f6afc0e01c2c91.zip
FreeBSD-src-09ab9e29373f2b48f72ff71789f6afc0e01c2c91.tar.gz
IFC @r272185
Diffstat (limited to 'sys/amd64/vmm/vmm.c')
-rw-r--r--sys/amd64/vmm/vmm.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/amd64/vmm/vmm.c b/sys/amd64/vmm/vmm.c
index 26f7c59..d73c7b3 100644
--- a/sys/amd64/vmm/vmm.c
+++ b/sys/amd64/vmm/vmm.c
@@ -1197,8 +1197,12 @@ vm_handle_paging(struct vm *vm, int vcpuid, bool *retu)
if (ftype == VM_PROT_READ || ftype == VM_PROT_WRITE) {
rv = pmap_emulate_accessed_dirty(vmspace_pmap(vm->vmspace),
vme->u.paging.gpa, ftype);
- if (rv == 0)
+ if (rv == 0) {
+ VCPU_CTR2(vm, vcpuid, "%s bit emulation for gpa %#lx",
+ ftype == VM_PROT_READ ? "accessed" : "dirty",
+ vme->u.paging.gpa);
goto done;
+ }
}
map = &vm->vmspace->vm_map;
@@ -1239,6 +1243,8 @@ vm_handle_inst_emul(struct vm *vm, int vcpuid, bool *retu)
paging = &vme->u.inst_emul.paging;
cpu_mode = paging->cpu_mode;
+ VCPU_CTR1(vm, vcpuid, "inst_emul fault accessing gpa %#lx", gpa);
+
/* Fetch, decode and emulate the faulting instruction */
if (vie->num_valid == 0) {
/*
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