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| author | Ingo Molnar <mingo@elte.hu> | 2008-01-30 15:33:00 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 15:33:00 +0300 |
| commit | d50efc6c40620b2e11648cac64ebf4a824e40382 (patch) | |
| tree | daf951117c86f2d4875216eee9e708a0c01c9e4b /include/asm-x86/linkage.h | |
| parent | 3a556b26a2718e48aa2b6ce06ea4875ddcd0778e (diff) | |
| download | linux-d50efc6c40620b2e11648cac64ebf4a824e40382.tar.xz | |
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 <mingo@elte.hu>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/linkage.h')
| -rw-r--r-- | include/asm-x86/linkage.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 |