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From: Leo Yan <leo.yan@arm.com>
To: Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	James Clark <james.clark@linaro.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v3] perf: arm_spe: Relax period restriction
Date: Mon, 7 Jul 2025 16:57:36 +0100	[thread overview]
Message-ID: <20250707155736.GC2182465@e132581.arm.com> (raw)
In-Reply-To: <20250627163028.3503122-1-leo.yan@arm.com>

On Fri, Jun 27, 2025 at 05:30:28PM +0100, Leo Yan wrote:
> The minimum interval specified the PMSIDR_EL1.Interval field is a
> hardware recommendation. However, this value is set by hardware designer
> before the production. It is not actual hardware limitation but tools
> currently have no way to test shorter periods.
> 
> This change relaxes the limitation by allowing any non-zero periods,
> with simplifying code with clamp_t().

Hi Will,

Would you mind checking if this small patch is okay to pick up?

Thanks,
Leo

  parent reply	other threads:[~2025-07-07 15:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-27 16:30 [PATCH v3] perf: arm_spe: Relax period restriction Leo Yan
2025-06-30  5:10 ` Anshuman Khandual
2025-07-07 15:57 ` Leo Yan [this message]
2025-07-08 18:02 ` Will Deacon

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