linux-kernel - Re: [PATCH] irqchip: mips-cpu: set IPI domain parent chip

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Date:   Sun, 10 Jan 2021 10:24:14 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Mathias Kresin <dev@...sin.me>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Serge Semin <fancer.lancer@...il.com>
Cc:     Hauke Mehrtens <hauke@...ke-m.de>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH] irqchip: mips-cpu: set IPI domain parent chip

On Thu, 7 Jan 2021 22:36:03 +0100, Mathias Kresin wrote:
> Since commit 55567976629e ("genirq/irqdomain: Allow partial trimming of
> irq_data hierarchy") the irq_data chain is valided.
> 
> The irq_domain_trim_hierarchy() function doesn't consider the irq + ipi
> domain hierarchy as valid, since the ipi domain has the irq domain set
> as parent, but the parent domain has no chip set. Hence the boot ends in
> a kernel panic.
> 
> [...]

Applied to irq/irqchip-next, thanks!

[1/1] irqchip: mips-cpu: set IPI domain parent chip
      commit: 599b3063adf4bf041a87a69244ee36aded0d878f

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.