From d50efc6c40620b2e11648cac64ebf4a824e40382 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 30 Jan 2008 13:33:00 +0100 Subject: x86: fix UML and -regparm=3 introduce the "asmregparm" calling convention: for functions implemented in assembly with a fixed regparm input parameters calling convention. mark the semaphore and rwsem slowpath functions with that. Signed-off-by: Ingo Molnar Signed-off-by: Miklos Szeredi Signed-off-by: Thomas Gleixner --- include/asm-x86/linkage.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/asm-x86/linkage.h') diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h index 5a4c95905420..31739c7d66a9 100644 --- a/include/asm-x86/linkage.h +++ b/include/asm-x86/linkage.h @@ -9,6 +9,11 @@ #ifdef CONFIG_X86_32 #define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0))) #define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret)) +/* + * For 32-bit UML - mark functions implemented in assembly that use + * regparm input parameters: + */ +#define asmregparm __attribute__((regparm(3))) #endif #ifdef CONFIG_X86_ALIGNMENT_16 -- cgit v1.2.3