Re: [PATCH v2] ftrace: unify arch_syscall_addr() implementations
From: David Miller
Date: Sat Jan 23 2010 - 03:28:04 EST
From: Mike Frysinger <vapier@xxxxxxxxxx>
Date: Sat, 23 Jan 2010 02:10:43 -0500
> Most implementations of arch_syscall_addr() are the same, so create a
> default weak version in common code. New arch ports don't have to waste
> time copying & pasting this simple function. The Blackfin version is
> going to be exactly the same for example.
> The s390/sparc versions need to be different, so document why.
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
You can just have the extern declaration match whatever the
arch needs (long or int) in the generic ftrace.c code and
then unconditionally do the (unsigned long) case.
That way even s390/sparc can use the generic implementation.
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