linux-kernel - Re: [PATCH] ftrace: build ftrace.o when CONFIG_FTRACE

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Message-ID: <20091119030302.GB4970@nowhere>
Date:	Thu, 19 Nov 2009 04:03:03 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Aristeu Rozanski <aris@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Steven Rostedt <rostedt@...dmis.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ftrace: build ftrace.o when CONFIG_FTRACE_SYSCALLS is
	set for s390

On Wed, Nov 18, 2009 at 03:40:44PM -0500, Aristeu Rozanski wrote:
> Trying to build a s390x kernel with CONFIG_FTRACE_SYSCALLS will fail
> because ftrace.o is not built/linked.
> 
> Signed-off-by: Aristeu Rozanski <aris@...hat.com>
> 
> ---
>  arch/s390/kernel/Makefile |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- linus-2.6.orig/arch/s390/kernel/Makefile	2009-10-30 17:49:10.000000000 -0400
> +++ linus-2.6/arch/s390/kernel/Makefile	2009-11-18 15:39:52.000000000 -0500
> @@ -44,6 +44,7 @@ obj-$(CONFIG_KPROBES)		+= kprobes.o
>  obj-$(CONFIG_FUNCTION_TRACER)	+= $(if $(CONFIG_64BIT),mcount64.o,mcount.o)
>  obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o
>  obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
> +obj-$(CONFIG_FTRACE_SYSCALLS)	+= ftrace.o
>  
>  # Kexec part
>  S390_KEXEC_OBJS := machine_kexec.o crash.o
> 


Thanks!

Acked-by: Frederic Weisbecker <fweisbec@...il.com>

We probably want this patch for .32
Not sure in which tree it best fits though, -tip or s390?
(Adding more people in Cc).

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