[jolsa-perf:bpf/optimized_usdt_5 21/26] include/linux/uprobes.h:127:33: error: field 'tramp_mutex' has incomplete type

[jolsa-perf:bpf/optimized_usdt_5 21/26] include/linux/uprobes.h:127:33: error: field 'tramp_mutex' has incomplete type

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/optimized_usdt_5
head:   748f02be1adc50c8aea1e580791e8085f8713c07
commit: 0ec2293dc6f5526b57f0f431643dbfbbddc5cd51 [21/26] uprobes: Add mapping for optimized uprobe trampolines
config: sparc-sparc64_defconfig (https://download.01.org/0day-ci/archive/20241028/202410281748.AVepCEjw-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241028/202410281748.AVepCEjw-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/202410281748.AVepCEjw-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/mm_types.h:16,
                    from include/linux/uio.h:10,
                    from include/linux/socket.h:8,
                    from include/uapi/linux/if.h:25,
                    from include/linux/mii.h:12,
                    from drivers/net/phy/swphy.c:13:
>> include/linux/uprobes.h:127:33: error: field 'tramp_mutex' has incomplete type
     127 |         struct mutex            tramp_mutex;
         |                                 ^~~~~~~~~~~


vim +/tramp_mutex +127 include/linux/uprobes.h

   123	
   124	struct uprobes_state {
   125		struct xol_area		*xol_area;
   126		struct hlist_head	tramp_head;
 > 127		struct mutex		tramp_mutex;
   128	};
   129	

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