X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fcompiler-gcc.h;h=9ac1a7a977c2e4fff072d2403b730b32e3e197f1;hb=eb33a02fddad907cea8b2c4ec3b49835b12d0107;hp=5633053ac7c247a24b2518c8ee9114a0ba6c7a42;hpb=c12558716007837227b962caa4299b355870fed6;p=pandora-kernel.git

diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 5633053ac7c2..9ac1a7a977c2 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -37,6 +37,9 @@
     __asm__ ("" : "=r"(__ptr) : "0"(ptr));		\
     (typeof(ptr)) (__ptr + (off)); })
 
+/* Make the optimizer believe the variable can be manipulated arbitrarily. */
+#define OPTIMIZER_HIDE_VAR(var) __asm__ ("" : "=r" (var) : "0" (var))
+
 #ifdef __CHECKER__
 #define __must_be_array(arr) 0
 #else