Subject: Re: [PATCH v2] resolve gtp possible deadlock warning

From: kernel test robot <[email-masked]>
Date: Mon, 7 Oct 2024 20:48:42 +0800

Hi Daniel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.12-rc2 next-20241004]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Daniel-Yang/resolve-gtp-possible-deadlock-warning/20241005-125510
base:   linus/master
patch link:    https://lore.kernel.org/r/20241005045411.118720-1-danielyangkang%40gmail.com
patch subject: [PATCH v2] resolve gtp possible deadlock warning
config: x86_64-buildonly-randconfig-005-20241007 (https://download.01.org/0day-ci/archive/20241007/[email-masked]/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241007/[email-masked]/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 <[email-masked]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email-masked]/

All warnings (new ones prefixed by >>):

>> net/smc/af_smc.c:22:9: warning: 'pr_fmt' macro redefined [-Wmacro-redefined]
      22 | #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
         |         ^
   include/linux/printk.h:380:9: note: previous definition is here
     380 | #define pr_fmt(fmt) fmt
         |         ^
   1 warning generated.

vim +/pr_fmt +22 net/smc/af_smc.c

ac7138746e1413 Ursula Braun 2017-01-09 @22  #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
ac7138746e1413 Ursula Braun 2017-01-09  23  

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