Re: [RFC 2/2] perf: add AUX area to ring buffer for raw data streams

[Ingo Molnar]

* Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> wrote:

> @@ -300,6 +300,7 @@ struct pmu {
>   * struct pmu::capabilities flags
>   */
>  #define PERF_PMU_CAP_NO_INTERRUPT	1
> +#define PERF_PMU_CAP_AUX_BROKEN_SG	2

Btw., I'd name it PERF_PMU_AUX_PHYSICAL_SG or so, and add a comment 
before it that explains that such hardware interfaces are restrictive, 
or so.

Thanks,

	Ingo
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