linux-kernel - Re: [PATCH v8 27/28] virt: gunyah: Add irqfd interface

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Message-ID: <202212220016.Dqb79Jr4-lkp@intel.com>
Date:   Thu, 22 Dec 2022 01:00:25 +0800
From:   kernel test robot <lkp@...el.com>
To:     Elliot Berman <quic_eberman@...cinc.com>,
        Bjorn Andersson <quic_bjorande@...cinc.com>,
        Murali Nalajala <quic_mnalajal@...cinc.com>,
        Jonathan Corbet <corbet@....net>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Srivatsa Vaddagiri <quic_svaddagi@...cinc.com>,
        Carl van Schaik <quic_cvanscha@...cinc.com>,
        Prakruthi Deepak Heragu <quic_pheragu@...cinc.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Bagas Sanjaya <bagasdotme@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Sudeep Holla <sudeep.holla@....com>,
        Mark Rutland <mark.rutland@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH v8 27/28] virt: gunyah: Add irqfd interface

Hi Elliot,

I love your patch! Perhaps something to improve:

[auto build test WARNING on 830b3c68c1fb1e9176028d02ef86f3cf76aa2476]

url:    https://github.com/intel-lab-lkp/linux/commits/Elliot-Berman/Drivers-for-gunyah-hypervisor/20221220-073053
base:   830b3c68c1fb1e9176028d02ef86f3cf76aa2476
patch link:    https://lore.kernel.org/r/20221219225850.2397345-28-quic_eberman%40quicinc.com
patch subject: [PATCH v8 27/28] virt: gunyah: Add irqfd interface
config: arm64-allyesconfig
compiler: aarch64-linux-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/158304cc06a0a3021e5103a3a84fb2b1dfc6f703
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Elliot-Berman/Drivers-for-gunyah-hypervisor/20221220-073053
        git checkout 158304cc06a0a3021e5103a3a84fb2b1dfc6f703
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/virt/gunyah/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/virt/gunyah/gunyah_vcpu.c:58: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * When hypervisor wants us to schedule vCPU again, it gives us an interrupt


vim +58 drivers/virt/gunyah/gunyah_vcpu.c

b4c9ba3b6fa553a Elliot Berman 2022-12-19  56  
b4c9ba3b6fa553a Elliot Berman 2022-12-19  57  /**
b4c9ba3b6fa553a Elliot Berman 2022-12-19 @58   * When hypervisor wants us to schedule vCPU again, it gives us an interrupt
b4c9ba3b6fa553a Elliot Berman 2022-12-19  59   */
b4c9ba3b6fa553a Elliot Berman 2022-12-19  60  static irqreturn_t gh_vcpu_irq_handler(int irq, void *data)
b4c9ba3b6fa553a Elliot Berman 2022-12-19  61  {
b4c9ba3b6fa553a Elliot Berman 2022-12-19  62  	struct gunyah_vcpu *vcpu = data;
b4c9ba3b6fa553a Elliot Berman 2022-12-19  63  
b4c9ba3b6fa553a Elliot Berman 2022-12-19  64  	complete(&vcpu->ready);
b4c9ba3b6fa553a Elliot Berman 2022-12-19  65  	return IRQ_HANDLED;
b4c9ba3b6fa553a Elliot Berman 2022-12-19  66  }
b4c9ba3b6fa553a Elliot Berman 2022-12-19  67  

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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