linux-kernel - Re: [PATCH v3 3/5] arm: Convert to GENERIC_IRQ_MULTI

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Message-ID: <alpine.DEB.2.21.1803141806580.2481@nanos.tec.linutronix.de>
Date:   Wed, 14 Mar 2018 18:07:35 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Palmer Dabbelt <palmer@...ive.com>
cc:     linux@...linux.org.uk, catalin.marinas@....com,
        Will Deacon <will.deacon@....com>, jonas@...thpole.se,
        stefan.kristiansson@...nalahti.fi, shorne@...il.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        openrisc@...ts.librecores.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v3 3/5] arm: Convert to GENERIC_IRQ_MULTI_HANDLER

On Wed, 7 Mar 2018, Palmer Dabbelt wrote:

> This converts the ARM port to use the recently added
> GENERIC_IRQ_MULTI_HANDLER, which is essentially just a copy of ARM's
> existhing MULTI_IRQ_HANDLER.  The only changes are:
> 
> * handle_arch_irq is now defined in a generic C file instead of an
>   arm-specific assembly file.
> * handle_arch_irq is not marked as __ro_after_init.

Why? What prevents the generic implementation from doing so?

Thanks,

	tglx