Re: [RFC PATCH] perf: align raw sample data on 64-bit boundaries

[Robert Richter]

On 24.05.10 17:25:01, Frederic Weisbecker wrote:
> It doesn't duplicate much code paths, we only have a few corner cases to
> plug in. And more importantly, that would be temporary if we schedule the
> older PERF_SAMPLE_RAW in, say, three releases from now.
> 
> This ensures an easy forward compatibility (older perf tools -> newer kernel).
> But the backward compatibility is less easy (newer perf tools -> older kernel)
> as it means we need to test dynamically if we have PERF_SAMPLE_RAW_ALIGNED,
> otherwise we need to fall back to using the older one.

Frederic, I will send an updated version with PERF_SAMPLE_RAW_ALIGNED.

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center
email: robert.richter@xxxxxxx

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