linux-kernel - Re: [PATCH v3] ftrace: unify arch_syscall

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Date:	Tue, 26 Jan 2010 12:29:29 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Mike Frysinger <vapier@...too.org>
Cc:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	David Miller <davem@...emloft.net>,
	Paul Mundt <lethal@...ux-sh.org>
Subject: Re: [PATCH v3] ftrace: unify arch_syscall_addr() implementations

On Tue, Jan 26, 2010 at 04:40:03AM -0500, Mike Frysinger wrote:
> 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@...too.org>
> Acked-by: David S. Miller <davem@...emloft.net>
> Acked-by: Paul Mundt <lethal@...ux-sh.org>
> ---
> v3
> 	- move sys_call_table[] decl to asm/syscall.h
> 	- unify everyone's arch_syscall_addr() again
> 	- mention right tracehook requirements
> 
>  Documentation/trace/ftrace-design.txt |    5 ++---
>  arch/s390/include/asm/syscall.h       |    7 +++++++
>  arch/s390/kernel/ftrace.c             |   10 ----------

Acked-by: Heiko Carstens <heiko.carstens@...ibm.com>
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