8:07 p.m.
Hi Zhu,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on vhost/linux-next]
[also build test WARNING on kvm/linux-next linus/master v5.8-rc5 next-20200716]
[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/Zhu-Lingshan/IRQ-offloading-for-...
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: openrisc-randconfig-r016-20200717 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=openrisc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/vhost/vdpa.c: In function 'vhost_vdpa_setup_vq_irq':
> drivers/vhost/vdpa.c:122:6: warning: variable 'ret' set
but not used [-Wunused-but-set-variable]
122 | int ret;
| ^~~
vim +/ret +122 drivers/vhost/vdpa.c
117
118 static void vhost_vdpa_setup_vq_irq(struct vdpa_device *dev, int qid, int irq)
119 {
120 struct vhost_vdpa *v = vdpa_get_drvdata(dev);
121 struct vhost_virtqueue *vq = &v->vqs[qid];
122 int ret;
123
124 spin_lock(&vq->call_ctx.ctx_lock);
125 if (!vq->call_ctx.ctx) {
126 spin_unlock(&vq->call_ctx.ctx_lock);
127 return;
128 }
129
130 vq->call_ctx.producer.token = vq->call_ctx.ctx;
131 vq->call_ctx.producer.irq = irq;
132 ret = irq_bypass_register_producer(&vq->call_ctx.producer);
133 spin_unlock(&vq->call_ctx.ctx_lock);
134 }
135
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org