[Xen-devel] [PATCH] x86/alt: Fix wrong usage of as_max in OLDINSTR_2

[Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>]

When ALTERNATIVE_2 is used, we see below error during build.
"error: macro "as_max" requires 2 arguments, but only 1 given"

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@xxxxxxxxxx>
---
 xen/include/asm-x86/alternative.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/include/asm-x86/alternative.h 
b/xen/include/asm-x86/alternative.h
index 4803368..3b577c4 100644
--- a/xen/include/asm-x86/alternative.h
+++ b/xen/include/asm-x86/alternative.h
@@ -54,8 +54,8 @@ extern void alternative_instructions(void);
 
 #define OLDINSTR_2(oldinstr, n1, n2)                             \
     OLDINSTR(oldinstr,                                           \
-             as_max((alt_repl_len(n1),                           \
-                     alt_repl_len(n2)) "-" alt_orig_len))
+             as_max(alt_repl_len(n1),                            \
+                     alt_repl_len(n2)) "-" alt_orig_len)
 
 #define ALTINSTR_ENTRY(feature, num)                                    \
         " .long .LXEN%=_orig_s - .\n"             /* label           */ \
-- 
1.7.3

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