linux-kernel - Re: [PATCH v4 01/19] irqdomain: Drop bogus fwspec-mapping error handling

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Date:   Tue, 17 Jan 2023 22:17:03 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Marc Zyngier <maz@...nel.org>
Cc:     x86@...nel.org, platform-driver-x86@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Mark-PK Tsai <mark-pk.tsai@...iatek.com>
Subject: Re: [PATCH v4 01/19] irqdomain: Drop bogus fwspec-mapping error
 handling

On Mon, Jan 16 2023 at 14:50, Johan Hovold wrote:
> In case a newly allocated IRQ ever ends up not having any associated
> struct irq_data it would not even be possible to dispose the mapping.
>
> Replace the bogus disposal with a WARN_ON().
>

This lacks a Fixes tag especially because this ends up in the dependency
chain of the race fixes.

Fixes: 1e2a7d78499e ("irqdomain: Don't set type when mapping an IRQ")

is not completely precise but close enough.

Thanks,

        tglx