[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] 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> --- 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 Attachment:
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