linux-kernel - Re: mainline build failure due to fa84f89395e0 ("irqchip/loongson-liointc: Fix build error for LoongArch")

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Message-ID: <3ff0b2af-033f-f9d5-f6d7-c53c3e6c0858@flygoat.com>
Date:   Sat, 4 Jun 2022 12:41:43 +0100
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Marc Zyngier <maz@...nel.org>, WANG Xuerui <git@...0n.name>
Cc:     Thomas Gleixner <tglx@...utronix.de>, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: mainline build failure due to fa84f89395e0
 ("irqchip/loongson-liointc: Fix build error for LoongArch")



在 2022/6/4 11:34, Sudip Mukherjee 写道:
> Hi All,
>
> The latest mainline kernel branch fails to build for "mips loongson2k_defconfig"
> with the error:
>
> drivers/irqchip/irq-loongson-liointc.c: In function 'liointc_chained_handle_irq':
> drivers/irqchip/irq-loongson-liointc.c:60:20: error: implicit declaration of function 'cpu_logical_map' [-Werror=implicit-function-declaration]
>     60 |         int core = cpu_logical_map(smp_processor_id()) % LIOINTC_NUM_CORES;
>
>
> git bisect pointed to fa84f89395e0 ("irqchip/loongson-liointc: Fix build error for LoongArch")
>
> And, reverting it on top of mainline branch has fixed the build failure.
Thanks for the reminder.
I'll prepare a patch for it.

Thanks
- Jiaxun

>
> --
> Regards
> Sudip