Re: [PATCH 17/19] perf: Retire PERF_PMU_CAP_NO_INTERRUPT

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To: Robin Murphy <robin.murphy@xxxxxxx>
Subject: Re: [PATCH 17/19] perf: Retire PERF_PMU_CAP_NO_INTERRUPT
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Tue, 26 Aug 2025 15:08:30 +0200
Cc: mingo@xxxxxxxxxx, will@xxxxxxxxxx, mark.rutland@xxxxxxx, acme@xxxxxxxxxx, namhyung@xxxxxxxxxx, alexander.shishkin@xxxxxxxxxxxxxxx, jolsa@xxxxxxxxxx, irogers@xxxxxxxxxx, adrian.hunter@xxxxxxxxx, kan.liang@xxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-alpha@xxxxxxxxxxxxxxx, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, imx@xxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, loongarch@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxx, linux-rockchip@xxxxxxxxxxxxxxxxxxx, dmaengine@xxxxxxxxxxxxxxx, linux-fpga@xxxxxxxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, intel-xe@xxxxxxxxxxxxxxxxxxxxx, coresight@xxxxxxxxxxxxxxxx, iommu@xxxxxxxxxxxxxxx, linux-amlogic@xxxxxxxxxxxxxxxxxxx, linux-cxl@xxxxxxxxxxxxxxx, linux-arm-msm@xxxxxxxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx
In-reply-to: <32bf39943eef7c7f516d814d749cdbe322eec204.1755096883.git.robin.murphy@arm.com>
References: <cover.1755096883.git.robin.murphy@arm.com> <32bf39943eef7c7f516d814d749cdbe322eec204.1755096883.git.robin.murphy@arm.com>

On Wed, Aug 13, 2025 at 06:01:09PM +0100, Robin Murphy wrote:
> Now that we have a well-defined cap for sampling support, clean up the
> remains of the mildly unintuitive and inconsistently-applied
> PERF_PMU_CAP_NO_INTERRUPT. Not to mention the obvious redundancy of
> some of these drivers still checking for sampling in event_init too.

Ah, clearly I should've read the next patch... n/m.

References:
- [PATCH 00/19] perf: Rework event_init checks
  - From: Robin Murphy
- [PATCH 17/19] perf: Retire PERF_PMU_CAP_NO_INTERRUPT
  - From: Robin Murphy

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