linux-kernel - Re: [PATCH v4 10/26] irqchip/gic-v3: Switch high priority PPIs over to handle_percpu_devid

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Message-ID: <20251112180653.00004e6c@huawei.com>
Date: Wed, 12 Nov 2025 18:06:53 +0000
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Marc Zyngier <maz@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-acpi@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, "Mark
 Rutland" <mark.rutland@....com>, Will Deacon <will@...nel.org>, "Rafael J.
 Wysocki" <rafael@...nel.org>, Rob Herring <robh@...nel.org>, "Saravana
 Kannan" <saravanak@...gle.com>, Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>, Sven Peter <sven@...nel.org>, Janne Grunau
	<j@...nau.net>, Suzuki K Poulose <suzuki.poulose@....com>, James Clark
	<james.clark@...aro.org>, Jinjie Ruan <ruanjinjie@...wei.com>, "Alexandru
 Elisei" <alexandru.elisei@....com>
Subject: Re: [PATCH v4 10/26] irqchip/gic-v3: Switch high priority PPIs over
 to handle_percpu_devid_irq()

On Mon, 20 Oct 2025 13:29:27 +0100
Marc Zyngier <maz@...nel.org> wrote:

> It so appears that handle_percpu_devid_irq() is extremely similar to
> handle_percpu_devid_fasteoi_nmi(), and that the differences do no
> justify the horrid machinery we have in the GICv3 driver to handle
> the flow handler switch.
> 
> Let's stick with the standard flow handler, even for NMIs.
> 
> Suggested-by: Will Deacon <will@...nel.org>
> Tested-by: Will Deacon <will@...nel.org>
> Signed-off-by: Marc Zyngier <maz@...nel.org>
LGTM and who doesn't like those diff stats ;)
Reviewed-by: Jonathan Cameron <jonathan.cameron@...wei.com>
> ---
>  drivers/irqchip/irq-gic-v3.c | 54 ++----------------------------------
>  1 file changed, 2 insertions(+), 52 deletions(-)