linux-kernel - Re: [PATCH] hv: put parentheses on macros with complex values in hyperv.h

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Date:   Thu, 20 Jul 2023 15:17:55 +0800
From:   kernel test robot <lkp@...el.com>
To:     sunran001@...suo.com, mchehab@...nel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hv: put parentheses on macros with complex values in
 hyperv.h

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on sailus-media-tree/streams v6.5-rc2 next-20230720]
[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/sunran001-208suo-com/hv-put-parentheses-on-macros-with-complex-values-in-hyperv-h/20230720-110337
base:   linus/master
patch link:    https://lore.kernel.org/r/e4b504ab6a1534cd26be777c9cb0bb6a%40208suo.com
patch subject: [PATCH] hv: put parentheses on macros with complex values in hyperv.h
config: i386-randconfig-i013-20230720 (https://download.01.org/0day-ci/archive/20230720/202307201511.TvSDQJLn-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230720/202307201511.TvSDQJLn-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307201511.TvSDQJLn-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/x86/events/intel/core.c:17:
   In file included from include/linux/kvm_host.h:45:
   In file included from arch/x86/include/asm/kvm_host.h:27:
>> include/linux/hyperv.h:431:37: error: invalid token in macro parameter list
   #define VMPACKET_DATA_START_ADDRESS((__packet)  \
                                       ^
   1 error generated.


vim +431 include/linux/hyperv.h

   430	
 > 431	#define VMPACKET_DATA_START_ADDRESS((__packet)	\
   432		(void *)(((unsigned char *)__packet) +	\
   433		 ((struct vmpacket_descriptor)__packet)->offset8 * 8))
   434	

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