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From: kernel test robot <lkp@intel.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [kkdwivedi:xdp-tcp-round4-backup 27/42] include/net/xdp.h:703:37: error: 'bpf_xdp_consume_enabled_key' undeclared
Date: Thu, 08 Oct 2026 06:18:27 +0200	[thread overview]
Message-ID: <202610080655.ZV7dX5si-lkp@intel.com> (raw)

tree:   https://github.com/kkdwivedi/linux xdp-tcp-round4-backup
head:   63925314fb03ace1f3949a09d298cfdc0188bc8a
commit: 79cfafda75fd6890e5c21a07a2c3d90f21cbe85e [27/42] xdp: Add XDP_CONSUME for frames a program takes ownership of
config: i386-randconfig-2301-20261006 (https://download.01.org/0day-ci/archive/20261008/202610080655.ZV7dX5si-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080655.ZV7dX5si-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/oe-kbuild-all/202610080655.ZV7dX5si-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/static_key.h:1,
                    from include/linux/alloc_tag.h:15,
                    from include/linux/workqueue.h:9,
                    from include/linux/bpf.h:12,
                    from include/linux/bpf-cgroup.h:5,
                    from net/socket.c:55:
   include/net/xdp.h: In function 'bpf_prog_run_xdp':
>> include/net/xdp.h:703:37: error: 'bpf_xdp_consume_enabled_key' undeclared (first use in this function)
     703 |         if (static_branch_unlikely(&bpf_xdp_consume_enabled_key) || unlikely(act == XDP_CONSUME))
         |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/jump_label.h:489:50: note: in definition of macro 'static_branch_unlikely'
     489 |         if (__builtin_types_compatible_p(typeof(*x), struct static_key_true))   \
         |                                                  ^
   include/net/xdp.h:703:37: note: each undeclared identifier is reported only once for each function it appears in
     703 |         if (static_branch_unlikely(&bpf_xdp_consume_enabled_key) || unlikely(act == XDP_CONSUME))
         |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/jump_label.h:489:50: note: in definition of macro 'static_branch_unlikely'
     489 |         if (__builtin_types_compatible_p(typeof(*x), struct static_key_true))   \
         |                                                  ^
--
   In file included from include/linux/static_key.h:1,
                    from include/linux/alloc_tag.h:15,
                    from include/linux/workqueue.h:9,
                    from include/linux/bpf.h:12,
                    from include/linux/filter.h:9,
                    from kernel/bpf/core.c:22:
   kernel/bpf/core.c: In function 'bpf_prog_free_deferred':
>> kernel/bpf/core.c:3098:36: error: 'bpf_xdp_consume_enabled_key' undeclared (first use in this function)
    3098 |                 static_branch_dec(&bpf_xdp_consume_enabled_key);
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/jump_label.h:514:63: note: in definition of macro 'static_branch_dec'
     514 | #define static_branch_dec(x)            static_key_slow_dec(&(x)->key)
         |                                                               ^
   kernel/bpf/core.c:3098:36: note: each undeclared identifier is reported only once for each function it appears in
    3098 |                 static_branch_dec(&bpf_xdp_consume_enabled_key);
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/jump_label.h:514:63: note: in definition of macro 'static_branch_dec'
     514 | #define static_branch_dec(x)            static_key_slow_dec(&(x)->key)
         |                                                               ^


vim +/bpf_xdp_consume_enabled_key +703 include/net/xdp.h

   693	
   694	static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog,
   695						    struct xdp_buff *xdp)
   696	{
   697		/* Driver XDP hooks are invoked within a single NAPI poll cycle and thus
   698		 * under local_bh_disable(), which provides the needed RCU protection
   699		 * for accessing map entries.
   700		 */
   701		u32 act = __bpf_prog_run(prog, xdp, BPF_DISPATCHER_FUNC(xdp));
   702	
 > 703		if (static_branch_unlikely(&bpf_xdp_consume_enabled_key) || unlikely(act == XDP_CONSUME))

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

                 reply	other threads:[~2026-10-08  4:19 UTC|newest]

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