linux-kernel - Re: [PATCH v13 11/13] tsc: Switch to native sched clock

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Message-ID: <202410220542.6y7YYM8W-lkp@intel.com>
Date: Tue, 22 Oct 2024 05:30:06 +0800
From: kernel test robot <lkp@...el.com>
To: Nikunj A Dadhania <nikunj@....com>, linux-kernel@...r.kernel.org,
	thomas.lendacky@....com, bp@...en8.de, x86@...nel.org,
	kvm@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, mingo@...hat.com,
	tglx@...utronix.de, dave.hansen@...ux.intel.com, pgonda@...gle.com,
	seanjc@...gle.com, pbonzini@...hat.com, nikunj@....com,
	Alexey Makhalov <alexey.makhalov@...adcom.com>,
	Juergen Gross <jgross@...e.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [PATCH v13 11/13] tsc: Switch to native sched clock

Hi Nikunj,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 0a895c0d9b73d934de95aa0dd4e631c394bdd25d]

url:    https://github.com/intel-lab-lkp/linux/commits/Nikunj-A-Dadhania/x86-sev-Carve-out-and-export-SNP-guest-messaging-init-routines/20241021-140125
base:   0a895c0d9b73d934de95aa0dd4e631c394bdd25d
patch link:    https://lore.kernel.org/r/20241021055156.2342564-12-nikunj%40amd.com
patch subject: [PATCH v13 11/13] tsc: Switch to native sched clock
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20241022/202410220542.6y7YYM8W-lkp@intel.com/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/20241022/202410220542.6y7YYM8W-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/202410220542.6y7YYM8W-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> arch/x86/kernel/tsc.c:293:6: warning: no previous prototype for function 'enable_native_sched_clock' [-Wmissing-prototypes]
     293 | void enable_native_sched_clock(void) { }
         |      ^
   arch/x86/kernel/tsc.c:293:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     293 | void enable_native_sched_clock(void) { }
         | ^
         | static 
   1 warning generated.


vim +/enable_native_sched_clock +293 arch/x86/kernel/tsc.c

   292	
 > 293	void enable_native_sched_clock(void) { }
   294	#endif
   295	

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