Re: [PATCH v3 03/11] perf: provide a common perf_event_nop_0() for use with .event_idx
From: Cody P Schafer
Date: Tue Mar 04 2014 - 02:01:51 EST
On 03/03/2014 09:19 PM, Michael Ellerman wrote:
On Thu, 2014-27-02 at 21:04:56 UTC, Cody P Schafer wrote:
Rather an having every pmu that needs a function that just returns 0 for
.event_idx define their own copy, reuse the one in kernel/events/core.c.
Rename from perf_swevent_event_idx() because we're no longer using it
for just software events. Naming is based on the perf_pmu_nop_*()
functions.
You could just use perf_pmu_nop_int() directly.
No, .event_idx needs something that takes a (struct perf_event *),
perf_pmu_nop_int() takes a (struct pmu *).
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