linux-kernel - Re: [PATCH] genirq/irqdomain: Don't call ops->select for DOMAIN_BUS

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Message-ID: <20240225171020.GAZdt0fAu29EuoLgJh@fat_crate.local>
Date: Sun, 25 Feb 2024 18:10:20 +0100
From: Borislav Petkov <bp@...en8.de>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Marc Zyngier <maz@...nel.org>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Biju Das <biju.das.jz@...renesas.com>, x86@...nel.org
Subject: Re: [PATCH] genirq/irqdomain: Don't call ops->select for
 DOMAIN_BUS_ANY tokens

On Sun, Feb 25, 2024 at 05:19:52PM +0100, Thomas Gleixner wrote:
> Bah. That breaks x86 because it uses DOMAIN_BUS_ANY to find the MSI
> parent for a fwspec (IOAPIC and HPET) which gets either picked up by the
> interrupt remapping or by the root vector domain.
> 
> Fix below.

The guest boots fine now, thx.

Tested-by: Borislav Petkov (AMD) <bp@...en8.de>

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette