CC: [email protected] BCC: [email protected] CC: [email protected] CC: [email protected] TO: "Chang S. Bae" <[email protected]> CC: Dave Hansen <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/fpu head: 43843d58393026fef4a43d192b641a4fabdc42bf commit: 407f1fd0780e39d60778a66c6a157d8c8c832729 [1/2] x86/fpu: Add a helper to prepare AMX state for low-power CPU idle :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: i386-randconfig-m021 (https://download.01.org/0day-ci/archive/20220610/[email protected]/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: arch/x86/kernel/fpu/core.c:863 fpu_idle_fpregs() warn: bitwise AND condition is false here vim +863 arch/x86/kernel/fpu/core.c 407f1fd0780e39 Chang S. Bae 2022-06-08 854 407f1fd0780e39 Chang S. Bae 2022-06-08 855 /* 407f1fd0780e39 Chang S. Bae 2022-06-08 856 * Initialize register state that may prevent from entering low-power idle. 407f1fd0780e39 Chang S. Bae 2022-06-08 857 * This function will be invoked from the cpuidle driver only when needed. 407f1fd0780e39 Chang S. Bae 2022-06-08 858 */ 407f1fd0780e39 Chang S. Bae 2022-06-08 859 void fpu_idle_fpregs(void) 407f1fd0780e39 Chang S. Bae 2022-06-08 860 { 407f1fd0780e39 Chang S. Bae 2022-06-08 861 /* Note: AMX_TILE being enabled implies XGETBV1 support */ 407f1fd0780e39 Chang S. Bae 2022-06-08 862 if (cpu_feature_enabled(X86_FEATURE_AMX_TILE) && 407f1fd0780e39 Chang S. Bae 2022-06-08 @863 (xfeatures_in_use() & XFEATURE_MASK_XTILE)) { -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
