Re: [PATCH V3 19/19] virtio_ring: add in order support

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "loongarch: unreachable instruction"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20250616082518.10411-20-jasowang@redhat.com>
References: <20250616082518.10411-20-jasowang@redhat.com>
TO: Jason Wang <jasowang@redhat.com>

Hi Jason,

kernel test robot noticed the following build warnings:

[auto build test WARNING on mst-vhost/linux-next]
[also build test WARNING on linus/master v6.16-rc2 next-20250618]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jason-Wang/virtio_ring-rename-virtqueue_reinit_xxx-to-virtqueue_reset_xxx/20250616-163418
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
patch link:    https://lore.kernel.org/r/20250616082518.10411-20-jasowang%40redhat.com
patch subject: [PATCH V3 19/19] virtio_ring: add in order support
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: loongarch-randconfig-r072-20250618 (https://download.01.org/0day-ci/archive/20250618/202506181549.sXYT8j1M-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250618/202506181549.sXYT8j1M-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/r/202506181549.sXYT8j1M-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/virtio/virtio_ring.o: warning: objtool: detach_buf_split_in_order+0xfc: unreachable instruction
   drivers/virtio/virtio_ring.o: warning: objtool: virtqueue_add_packed_in_order+0x8c: unreachable instruction
   drivers/virtio/virtio_ring.o: warning: objtool: virtqueue_add_packed+0x90: unreachable instruction
   drivers/virtio/virtio_ring.o: warning: objtool: virtqueue_add_split+0x88: unreachable instruction

-- 
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