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tracing: Unify arch_syscall_addr() implementations

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Most implementations of arch_syscall_addr() are the same, so create a
default version in common code and move the one piece that differs (the
syscall table) to asm/syscall.h.  New arch ports don't have to waste
time copying & pasting this simple function.

The s390/sparc versions need to be different, so document why.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1264498803-17278-1-git-send-email-vapier@gentoo.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Mike Frysinger
2010-01-26 04:40:03 -05:00
committed by Frederic Weisbecker
parent ea2c68a08f
commit e7b8e675d9
11 changed files with 31 additions and 43 deletions
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10
arch/s390/kernel/ftrace.c
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@ -200,13 +200,3 @@ out:
return parent;
}
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#ifdef CONFIG_FTRACE_SYSCALLS
extern unsigned int sys_call_table[];
unsigned long __init arch_syscall_addr(int nr)
{
return (unsigned long)sys_call_table[nr];
}
#endif