[tip:x86/urgent 1/1] arch/x86/coco/sev/core.c:2170:30: warning: variable 'dummy' set but not used

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/urgent
head:   4a35d2b5254af89595fd90dae9ee0c8f990a148d
commit: 4a35d2b5254af89595fd90dae9ee0c8f990a148d [1/1] x86/sev: Use TSC_FACTOR for Secure TSC frequency calculation
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20250701/202507010218.3O5Ge0Xt-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250701/202507010218.3O5Ge0Xt-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202507010218.3O5Ge0Xt-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> arch/x86/coco/sev/core.c:2170:30: warning: variable 'dummy' set but not used [-Wunused-but-set-variable]
    2170 |         unsigned long tsc_freq_mhz, dummy;
         |                                     ^
   1 warning generated.


vim +/dummy +2170 arch/x86/coco/sev/core.c

  2167	
  2168	void __init snp_secure_tsc_init(void)
  2169	{
> 2170		unsigned long tsc_freq_mhz, dummy;

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