On 14.02.20 13:17, Eugenio Pérez wrote: > Can you try the inlined patch over 52c36ce7f334 ("vhost: use batched version by default")? My intention is to check if > "strange VHOST_SET_VRING_BASE" line appears. In previous tests, it appears very fast, but maybe it takes some time for > it to appear, or it does not appear anymore. LD [M] drivers/vhost/vhost_vsock.o CC [M] drivers/vhost/vhost.o In file included from ./include/linux/printk.h:331, from ./include/linux/kernel.h:15, from ./include/linux/list.h:9, from ./include/linux/wait.h:7, from ./include/linux/eventfd.h:13, from drivers/vhost/vhost.c:13: drivers/vhost/vhost.c: In function ‘fetch_descs’: drivers/vhost/vhost.c:2330:56: error: ‘struct vhost_virtqueue’ has no member named ‘first_desc’ 2330 | vq, vq->last_avail_idx, vq->avail_idx, vq->ndescs, vq->first_desc); | ^~ ./include/linux/dynamic_debug.h:125:15: note: in definition of macro ‘__dynamic_func_call’ 125 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ ./include/linux/dynamic_debug.h:153:2: note: in expansion of macro ‘_dynamic_func_call’ 153 | _dynamic_func_call(fmt, __dynamic_pr_debug, \ | ^~~~~~~~~~~~~~~~~~ ./include/linux/printk.h:335:2: note: in expansion of macro ‘dynamic_pr_debug’ 335 | dynamic_pr_debug(fmt, ##__VA_ARGS__) | ^~~~~~~~~~~~~~~~ drivers/vhost/vhost.c:2328:2: note: in expansion of macro ‘pr_debug’ 2328 | pr_debug( | ^~~~~~~~ make[2]: *** [scripts/Makefile.build:266: drivers/vhost/vhost.o] Error 1 make[1]: *** [scripts/Makefile.build:503: drivers/vhost] Error 2