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x86: fix UML and -regparm=3

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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>
This commit is contained in:
Ingo Molnar 2008-01-30 13:33:00 +01:00
commit d50efc6c40
5 changed files with 25 additions and 12 deletions
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4
include/linux/linkage.h
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@ -13,6 +13,10 @@
#define asmlinkage CPP_ASMLINKAGE
#endif
#ifndef asmregparm
# define asmregparm
#endif
#ifndef prevent_tail_call
# define prevent_tail_call(ret) do { } while (0)
#endif