Re: [PATCH v2 3/3] virtio-net: enable virtio indirect cache

Hi Xuan,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on horms-ipvs/master]
[also build test WARNING on linus/master v5.15-rc7]
[cannot apply to mst-vhost/linux-next next-20211028]
[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/0day-ci/linux/commits/Xuan-Zhuo/virtio-support-cache-indirect-desc/20211028-185145
base:   https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master
config: i386-randconfig-a004-20211028 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/e8418946355cc294b006c6692990dae15a22d85f
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Xuan-Zhuo/virtio-support-cache-indirect-desc/20211028-185145
        git checkout e8418946355cc294b006c6692990dae15a22d85f
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All warnings (new ones prefixed by >>):

quoted

drivers/net/virtio_net.c:35: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst

    * Because virtio desc cache will increase memory overhead, users can turn it


vim +35 drivers/net/virtio_net.c

    33	
    34	/**
  > 35	 * Because virtio desc cache will increase memory overhead, users can turn it
    36	 * off or select an acceptable value. The maximum value is 2 + MAX_SKB_FRAGS.
    37	 */
    38	static u32 virtio_desc_cache_thr = 4;
    39	module_param(virtio_desc_cache_thr, uint, 0644);
    40	

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