[Xen-devel] [PATCH v4 3/4] x86/mem_sharing: enable mem_share audit mode only in debug builds

[Tamas K Lengyel <tamas@xxxxxxxxxxxxx>]

Improves performance for release builds.

Signed-off-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>
---
 xen/include/asm-x86/mem_sharing.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/include/asm-x86/mem_sharing.h 
b/xen/include/asm-x86/mem_sharing.h
index 0e77b7d935..bb19b7534f 100644
--- a/xen/include/asm-x86/mem_sharing.h
+++ b/xen/include/asm-x86/mem_sharing.h
@@ -25,7 +25,11 @@
 #include <public/memory.h>
 
 /* Auditing of memory sharing code? */
+#ifndef NDEBUG
 #define MEM_SHARING_AUDIT 1
+#else
+#define MEM_SHARING_AUDIT 0
+#endif
 
 typedef uint64_t shr_handle_t; 
 
-- 
2.20.1


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