With -icount, the vm_clock is updated with help from TCG (it counts
instructions at 2^ICOUNT ns/instructions). With KVM, the instruction count is
not available so KVM cannot provide this help.
Signed-off-by: Cao,Bing Bu <m...@linux.vnet.ibm.com>
---
vl.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/vl.c b/vl.c
index f169aac..d2857a4 100644
--- a/vl.c
+++ b/vl.c
@@ -3226,8 +3226,12 @@ int main(int argc, char **argv, char **envp)
fprintf(stderr, "could not initialize alarm timer\n");
exit(1);
}
- configure_icount(icount_option);
-
+ if (!kvm_enabled()) {
+ configure_icount(icount_option);
+ } else {
+ fprintf(stderr, "-icount option only allowed without kvm
accelerator\n");
+ exit(1);
+ }
if (net_init_clients() < 0) {
exit(1);
}
--
1.7.1
