Wrapped printf calls inside debug macros (DPRINTF) in `if` statement.
This will ensure that printf function will always compile even if debug
output is turned off and, in turn, will prevent bitrot of the format
strings.
Signed-off-by: AlexChen <alex.chen@xxxxxxxxxx>
---
target/i386/kvm.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 3e9344aed5..64492cb851 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -50,14 +50,13 @@
#include "exec/memattrs.h"
#include "trace.h"
-#ifdef CONFIG_DEBUG_KVM
-#define DPRINTF(fmt, ...) \
- do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) \
- do { } while (0)
+#ifndef CONFIG_DEBUG_KVM
+#define CONFIG_DEBUG_KVM 0
#endif
+#define DPRINTF(fmt, ...) \
+ do { if (CONFIG_DEBUG_KVM) { fprintf(stderr, fmt, ## __VA_ARGS__); } } while (0)
+
/* From arch/x86/kvm/lapic.h */
#define KVM_APIC_BUS_CYCLE_NS 1
#define KVM_APIC_BUS_FREQUENCY (1000000000ULL / KVM_APIC_BUS_CYCLE_NS)
--
2.19.1
