linux-kernel - Re: [PATCH] perf: riscv: skip empty batches in counter start

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Message-ID: <57999508-fa1d-f6a1-4f40-188a61f54307@kernel.org>
Date: Thu, 18 Sep 2025 19:40:55 -0600 (MDT)
From: Paul Walmsley <pjw@...nel.org>
To: Yunhui Cui <cuiyunhui@...edance.com>
cc: atish.patra@...ux.dev, anup@...infault.org, will@...nel.org, 
    mark.rutland@....com, paul.walmsley@...ive.com, palmer@...belt.com, 
    aou@...s.berkeley.edu, alex@...ti.fr, linux-riscv@...ts.infradead.org, 
    linux-arm-kernel@...ts.infradead.org, linux-perf-users@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf: riscv: skip empty batches in counter start

On Mon, 4 Aug 2025, Yunhui Cui wrote:

> Avoid unnecessary SBI calls when starting non-overflowed counters
> in pmu_sbi_start_ovf_ctrs_sbi() by checking ctr_start_mask.
> 
> Signed-off-by: Yunhui Cui <cuiyunhui@...edance.com>

Thanks, queued for v6.18.


- Paul