It being static causes over a dozen instances to be scattered across
the kernel image, with non of them ever being referenced in any way.
Making the variable extern without ever defining it works as well - all
we need is to have the compiler think the variable is being accessed.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
---
arch/x86/include/asm/special_insns.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 3.10-rc3/arch/x86/include/asm/special_insns.h
+++ 3.10-rc3-x86-force-order/arch/x86/include/asm/special_insns.h
@@ -16,7 +16,7 @@ static inline void native_clts(void)
* all loads stores around it, which can hurt performance. Solution is to
* use a variable and mimic reads and writes to it to enforce serialization
*/
-static unsigned long __force_order;
+extern unsigned long __force_order;
static inline unsigned long native_read_cr0(void)
{
--
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