linux-kernel - Re: [PATCH 3/5] genirq: Provide an IRQ affinity mask in non-SMP configs

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Date:   Mon, 9 May 2022 23:20:05 -0500
From:   Samuel Holland <samuel@...lland.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Guo Ren <guoren@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Wei Xu <xuwei5@...ilicon.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 3/5] genirq: Provide an IRQ affinity mask in non-SMP
 configs

On 5/9/22 2:52 AM, kernel test robot wrote:
> Hi Samuel,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on tip/irq/core]
> [also build test ERROR on soc/for-next linus/master v5.18-rc6 next-20220506]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Samuel-Holland/genirq-irqchip-RISC-V-PLIC-cleanup-and-optimization/20220509-115510
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ce4818957fdc5bca57fc2c92b0dfe109d26bcc47
> config: mips-randconfig-r024-20220509 (https://download.01.org/0day-ci/archive/20220509/202205091545.QhhCDxVm-lkp@intel.com/config)
> compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a385645b470e2d3a1534aae618ea56b31177639f)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install mips cross compiling tool for clang build
>         # apt-get install binutils-mips-linux-gnu
>         # https://github.com/intel-lab-lkp/linux/commit/4bca5b436c97eb2ee232dd23f262ebad05fa183c
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Samuel-Holland/genirq-irqchip-RISC-V-PLIC-cleanup-and-optimization/20220509-115510
>         git checkout 4bca5b436c97eb2ee232dd23f262ebad05fa183c
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>>> kernel/irq/ipi.c:94:30: error: no member named 'affinity' in 'struct irq_common_data'
>                    cpumask_copy(data->common->affinity, dest);
>                                 ~~~~~~~~~~~~  ^
>    1 error generated.

I think the fix here is to make GENERIC_IRQ_IPI also depend on SMP. I will add a
patch doing this for v2.

Regards,
Samuel