2:41 a.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-traffic-gen-01
head: 3aaa72cb5c608f64b941ccc8d69caff51e89f67a
commit: f0b693d10bc20904d60329b0a202d0aa2c666e8d [4/5] bpf: Add XDP_REDIRECT support to
XDP for bpf_prog_run()
config: x86_64-randconfig-a013-20211116 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
#
https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git/commit/?id...
git remote add toke
https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git
git fetch --no-tags toke xdp-traffic-gen-01
git checkout f0b693d10bc20904d60329b0a202d0aa2c666e8d
# save the attached .config to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
vmlinux.o: warning: objtool: do_machine_check()+0x6d1: call to queue_task_work() leaves
.noinstr.text section
vmlinux.o: warning: objtool: enter_from_user_mode()+0x4e: call to on_thread_stack()
leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode()+0x53: call to
on_thread_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare()+0x4e: call to
on_thread_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode()+0x4e: call to
on_thread_stack() leaves .noinstr.text section
ld: net/bpf/test_run.o: in function `bpf_test_run_xdp_init':
> net/bpf/test_run.c:117: undefined reference to
`page_pool_task_get'
vim +117 net/bpf/test_run.c
111
112 static int bpf_test_run_xdp_init(struct bpf_test_timer *t,
113 struct bpf_prog *prog, struct xdp_buff *orig_ctx)
114 {
115 struct page_pool *pp;
116
117 pp = page_pool_task_get(current);
118 if (IS_ERR(pp))
119 return PTR_ERR(pp);
120
121 t->xdp.pp = pp;
122
123 /* We create a 'fake' RXQ referencing the original dev, but with an
124 * xdp_mem_info pointing to our page_pool
125 */
126 xdp_rxq_info_reg(&t->xdp.rxq, orig_ctx->rxq->dev, 0, 0);
127 t->xdp.rxq.mem.type = MEM_TYPE_PAGE_POOL;
128 t->xdp.rxq.mem.id = pp->xdp_mem_id;
129
130 return 0;
131 }
132
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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org