We don't need the claimed API compatibility. No change in generated
code.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/include/asm-x86/alternative.h
+++ b/xen/include/asm-x86/alternative.h
@@ -83,16 +83,15 @@ extern void alternative_instructions(voi
* 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
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 <jbeul...@suse.com>
--- a/xen/include/asm-x86/alternative.h
+++ b/xen/include/asm-x86/alternative.h
@@ -83,16 +83,15 @@ extern void alternative_instructions(voi
* 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
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel
