Re: [PATCH] perf: Fix argument of perf_arch_fetch_caller_regs

[Frederic Weisbecker]

On Wed, Jun 23, 2010 at 09:17:53AM +0900, Nobuhiro Iwamatsu wrote:
> "struct regs" was set to argument of perf_arch_fetch_caller_regs.
> "struct pt_regs" is correct.
> 
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Paul Mackerras <paulus@xxxxxxxxx>
> Cc: David Miller <davem@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>



Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

This may fix CONFIG_PERF_EVENTS=y with archs that don't implement
perf_arch_fetch_caller_regs, namely ARM, alpha, frv, parisc, s390 and sh.

Ingo, can you please queue this for .36? (it only fixes perf/core)

Thanks.




> ---
>  include/linux/perf_event.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
> index 9073bde..b65736d 100644
> --- a/include/linux/perf_event.h
> +++ b/include/linux/perf_event.h
> @@ -934,7 +934,7 @@ extern void __perf_sw_event(u32, u64, int, struct
> pt_regs *, u64);
> 
>  #ifndef perf_arch_fetch_caller_regs
>  static inline void
> -perf_arch_fetch_caller_regs(struct regs *regs, unsigned long ip) { }
> +perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip) { }
>  #endif
> 
>  /*
> -- 
> 1.7.1

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