BCC: [email protected] CC: [email protected] CC: [email protected] TO: Chao Peng <[email protected]> CC: Isaku Yamahata <[email protected]>
tree: https://github.com/intel/tdx.git kvm-upstream-workaround head: 85c097fdd1667a842a9e75d8f658fc16bd72981a commit: a3b11dafa9058bdecc235b9c02aaae2d6b39c24d [150/308] KVM: Update lpage info when private/shared memory are mixed :::::: branch date: 13 hours ago :::::: commit date: 13 hours ago config: x86_64-randconfig-m001-20220815 (https://download.01.org/0day-ci/archive/20220817/[email protected]/config) compiler: gcc-11 (Debian 11.3.0-5) 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/kvm/mmu/mmu.c:7276 __mem_attr_is_mixed() error: uninitialized symbol 'entry'. vim +/entry +7276 arch/x86/kvm/mmu/mmu.c a3b11dafa9058b Chao Peng 2022-07-20 7264 a3b11dafa9058b Chao Peng 2022-07-20 7265 static bool __mem_attr_is_mixed(struct kvm *kvm, gfn_t start, gfn_t end) a3b11dafa9058b Chao Peng 2022-07-20 7266 { a3b11dafa9058b Chao Peng 2022-07-20 7267 XA_STATE(xas, &kvm->mem_attr_array, start); a3b11dafa9058b Chao Peng 2022-07-20 7268 bool mixed = false; a3b11dafa9058b Chao Peng 2022-07-20 7269 gfn_t gfn = start; a3b11dafa9058b Chao Peng 2022-07-20 7270 void *s_entry; a3b11dafa9058b Chao Peng 2022-07-20 7271 void *entry; a3b11dafa9058b Chao Peng 2022-07-20 7272 a3b11dafa9058b Chao Peng 2022-07-20 7273 rcu_read_lock(); a3b11dafa9058b Chao Peng 2022-07-20 7274 s_entry = xas_load(&xas); a3b11dafa9058b Chao Peng 2022-07-20 7275 while (gfn < end) { a3b11dafa9058b Chao Peng 2022-07-20 @7276 if (xas_retry(&xas, entry)) a3b11dafa9058b Chao Peng 2022-07-20 7277 continue; a3b11dafa9058b Chao Peng 2022-07-20 7278 a3b11dafa9058b Chao Peng 2022-07-20 7279 KVM_BUG_ON(gfn != xas.xa_index, kvm); a3b11dafa9058b Chao Peng 2022-07-20 7280 a3b11dafa9058b Chao Peng 2022-07-20 7281 entry = xas_next(&xas); a3b11dafa9058b Chao Peng 2022-07-20 7282 if (entry != s_entry) { a3b11dafa9058b Chao Peng 2022-07-20 7283 mixed = true; a3b11dafa9058b Chao Peng 2022-07-20 7284 break; a3b11dafa9058b Chao Peng 2022-07-20 7285 } a3b11dafa9058b Chao Peng 2022-07-20 7286 gfn++; a3b11dafa9058b Chao Peng 2022-07-20 7287 } a3b11dafa9058b Chao Peng 2022-07-20 7288 rcu_read_unlock(); a3b11dafa9058b Chao Peng 2022-07-20 7289 return mixed; a3b11dafa9058b Chao Peng 2022-07-20 7290 } a3b11dafa9058b Chao Peng 2022-07-20 7291 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
