Re: [PATCH 25/27] Fix trace.h

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On Tue, 2009-09-29 at 10:18 +0200, Alexander Graf wrote:
> It looks like the variable "pc" is defined. At least the current code always
> failed on me stating that "pc" is already defined somewhere else.
> 
> Let's use _pc instead, because that doesn't collide.
> 
> Is this the right approach? Does it break on 440 too? If not, why not?
> 
> Signed-off-by: Alexander Graf <agraf@xxxxxxx>
> ---
>  arch/powerpc/kvm/trace.h |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/powerpc/kvm/trace.h b/arch/powerpc/kvm/trace.h
> index 67f219d..a8e8400 100644
> --- a/arch/powerpc/kvm/trace.h
> +++ b/arch/powerpc/kvm/trace.h
> @@ -12,8 +12,8 @@
>   * Tracepoint for guest mode entry.
>   */
>  TRACE_EVENT(kvm_ppc_instr,
> -	TP_PROTO(unsigned int inst, unsigned long pc, unsigned int emulate),
> -	TP_ARGS(inst, pc, emulate),
> +	TP_PROTO(unsigned int inst, unsigned long _pc, unsigned int emulate),
> +	TP_ARGS(inst, _pc, emulate),
> 
>  	TP_STRUCT__entry(
>  		__field(	unsigned int,	inst		)
> @@ -23,7 +23,7 @@ TRACE_EVENT(kvm_ppc_instr,
> 
>  	TP_fast_assign(
>  		__entry->inst		= inst;
> -		__entry->pc		= pc;
> +		__entry->pc		= _pc;
>  		__entry->emulate	= emulate;
>  	),
> 

After much digging, I managed to actually enable CONFIG_TRACEPOINTS.
However, I still don't get any build errors from this code. Maybe you
could paste the full gcc output?

-- 
Hollis Blanchard
IBM Linux Technology Center

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