[Xen-changelog] [xen master] x86: drop dummy input from alternative_{input, io}()

[patchbot@xxxxxxx]

commit 0b2e4b844826588924ef7581b475f0a5b6b11bcd
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Nov 30 11:55:49 2015 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Nov 30 11:55:49 2015 +0100

    x86: drop dummy input from alternative_{input,io}()
    
    We don't need the claimed API compatibility. No change in generated
    code.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/include/asm-x86/alternative.h |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/xen/include/asm-x86/alternative.h 
b/xen/include/asm-x86/alternative.h
index 7ddbd76..7d11354 100644
--- a/xen/include/asm-x86/alternative.h
+++ b/xen/include/asm-x86/alternative.h
@@ -83,16 +83,15 @@ extern void alternative_instructions(void);
  * Best is to use constraints that are fixed size (like (%1) ... "r")
  * If you use variable sized constraints like "m" or "g" in the
  * replacement make sure to pad to the worst case length.
- * Leaving an unused argument 0 to keep API compatibility.
  */
 #define alternative_input(oldinstr, newinstr, feature, input...)       \
        asm volatile (ALTERNATIVE(oldinstr, newinstr, feature)          \
-               : : "i" (0), ## input)
+                     : : input)
 
 /* Like alternative_input, but with a single output argument */
 #define alternative_io(oldinstr, newinstr, feature, output, input...)  \
        asm volatile (ALTERNATIVE(oldinstr, newinstr, feature)          \
-               : output : "i" (0), ## input)
+                     : output : input)
 
 /* Use this macro(s) if you need more than one output parameter. */
 #define ASM_OUTPUT2(a...) a
--
generated by git-patchbot for /home/xen/git/xen.git#master

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