Re: [PATCH] perf/x86/intel: Fix unwind errors from PEBS entries (mk-II)

[Josh Poimboeuf]

On Thu, Jul 19, 2018 at 11:19:54PM +0200, Peter Zijlstra wrote:
> --- a/include/uapi/linux/perf_event.h
> +++ b/include/uapi/linux/perf_event.h
> @@ -143,6 +143,8 @@ enum perf_event_sample_format {
>  	PERF_SAMPLE_PHYS_ADDR			= 1U << 19,
>  
>  	PERF_SAMPLE_MAX = 1U << 20,		/* non-ABI */
> +
> +	__PERF_SAMPLE_CALLCHAIN_EARLY		= 1UL << 63,

Given the kbuild test robot errors for building on 32-bit, looks like
the 63 needs to be changed to 31 so it fits in an int?

-- 
Josh