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From: Catalin Marinas <catalin.marinas@arm.com>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Thomas Gleixner <tglx@kernel.org>,
	Ben Horgan <ben.horgan@arm.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>
Subject: Re: [PATCH v2 5/5] arm64: Convert __delay_cycles() to arch_timer_read_vcounter()
Date: Tue, 26 May 2026 19:44:18 +0100	[thread overview]
Message-ID: <ahXqAgZWOgzUDEel@arm.com> (raw)
In-Reply-To: <20260508094203.2913880-6-maz@kernel.org>

On Fri, May 08, 2026 at 10:42:03AM +0100, Marc Zyngier wrote:
> Relax the need for disabling preemption in __delay_cycles() by
> using arch_timer_read_vcounter(), which will disable preemption
> only when this is actually required.
> 
> Signed-off-by: Marc Zyngier <maz@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>


      reply	other threads:[~2026-05-26 18:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-08  9:41 [PATCH v2 0/5] arm64: arch_timer: Improve errata handling Marc Zyngier
2026-05-08  9:41 ` [PATCH v2 1/5] clocksource/drivers/arm_arch_timer: Add a static key indicating the need for a runtime workaround Marc Zyngier
2026-05-08  9:42 ` [PATCH v2 2/5] clocksource/drivers/arm_arch_timer: Convert counter accessors to a static key alternative Marc Zyngier
2026-05-08  9:42 ` [PATCH v2 3/5] clocksource/drivers/arm_arch_timer: Drop the arch_counter_get_cnt{p,v}ct_stable() accessors Marc Zyngier
2026-05-08  9:42 ` [PATCH v2 4/5] clocksource/drivers/arm_arch_timer: Expose a direct accessor for the virtual counter Marc Zyngier
2026-05-08  9:42 ` [PATCH v2 5/5] arm64: Convert __delay_cycles() to arch_timer_read_vcounter() Marc Zyngier
2026-05-26 18:44   ` Catalin Marinas [this message]

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