From: Tamas K Lengyel <tamas@tklengyel.com>
Date: Fri, 19 Jul 2019 11:49:26 +0000 (+0200)
Subject: x86/mem_sharing: enable mem_share audit mode only in debug builds
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~1899
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=a23654d77d3ecd6d5085217dde99564e63160ecf;p=xen.git

x86/mem_sharing: enable mem_share audit mode only in debug builds

Improves performance for release builds.

Signed-off-by: Tamas K Lengyel <tamas@tklengyel.com>
---

diff --git a/xen/include/asm-x86/mem_sharing.h b/xen/include/asm-x86/mem_sharing.h
index 9f9f7e93e3..afd0c17292 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;