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To: Arnd Bergmann <arnd@kernel.org>, Marc Zyngier <maz@kernel.org>, Frank Li
 <Frank.Li@nxp.com>
Cc: Arnd Bergmann <arnd@arndb.de>, Nam Cao <namcao@linutronix.de>, Lorenzo
 Pieralisi <lpieralisi@kernel.org>, Nicolas Frayer <nfrayer@baylibre.com>,
 Geert Uytterhoeven <geert+renesas@glider.be>, Stanimir Varbanov
 <svarbanov@suse.de>, Inochi Amaoto <inochiama@gmail.com>, Chen Wang
 <unicorn_wang@outlook.com>, Lukas Bulwahn <lukas.bulwahn@redhat.com>,
 Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>, Peter Robinson
 <pbrobinson@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [v2] irqchip: build IMX_MU_MSI only on ARM
In-Reply-To: <20250805160952.4006075-1-arnd@kernel.org>
References: <20250805160952.4006075-1-arnd@kernel.org>
Date: Wed, 06 Aug 2025 10:33:47 +0200
Message-ID: <87o6ssetn8.ffs@tglx>
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On Tue, Aug 05 2025 at 18:09, Arnd Bergmann wrote:
> It seems to be a recurring problem wiht x86 not using CONFIG_GENERIC_MSI_IRQ,
> while all other architectures do. I wonder if that is something that
> should be changed by changing the x86 irqchip implementation so that
> CONFIG_GENERIC_MSI_IRQ can become the only way to do MSI.

Ideally yes. That needs quite some surgery and I didn't have the time,
urge and stomach to tackle it yet. Let me have a look again.