tree: https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git x86-testing head: 139c88cae82e33dfd6e49ecc4b015a5c7d39c80a commit: ac655e0ba98a2425eec250e39795acd295e30171 [22/45] KVM: SVM: Create a separate mapping for the SEV-ES save area config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git/commit/?id... git remote add joro https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git git fetch --no-tags joro x86-testing git checkout ac655e0ba98a2425eec250e39795acd295e30171 # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/x86/kvm/svm/sev.c: In function 'sev_es_sync_vmsa': 562 | struct sev_es_save_area *save = svm->vmsa; | ^~ vim +562 arch/x86/kvm/svm/sev.c 559 560 static int sev_es_sync_vmsa(struct vcpu_svm *svm) 561 { 563 564 /* Check some debug related fields before encrypting the VMSA */ 565 if (svm->vcpu.guest_debug || (svm->vmcb->save.dr7 & ~DR7_FIXED_1)) 566 return -EINVAL; 567 568 /* 569 * SEV-ES will use a VMSA that is pointed to by the VMCB, not 570 * the traditional VMSA that is part of the VMCB. Copy the 571 * traditional VMSA as it has been built so far (in prep 572 * for LAUNCH_UPDATE_VMSA) to be the initial SEV-ES state. 573 */ 574 memcpy(save, &svm->vmcb->save, sizeof(svm->vmcb->save)); 575 576 /* Sync registgers */ 577 save->rax = svm->vcpu.arch.regs[VCPU_REGS_RAX]; 578 save->rbx = svm->vcpu.arch.regs[VCPU_REGS_RBX]; 579 save->rcx = svm->vcpu.arch.regs[VCPU_REGS_RCX]; 580 save->rdx = svm->vcpu.arch.regs[VCPU_REGS_RDX]; 581 save->rsp = svm->vcpu.arch.regs[VCPU_REGS_RSP]; 582 save->rbp = svm->vcpu.arch.regs[VCPU_REGS_RBP]; 583 save->rsi = svm->vcpu.arch.regs[VCPU_REGS_RSI]; 584 save->rdi = svm->vcpu.arch.regs[VCPU_REGS_RDI]; 585 #ifdef CONFIG_X86_64 586 save->r8 = svm->vcpu.arch.regs[VCPU_REGS_R8]; 587 save->r9 = svm->vcpu.arch.regs[VCPU_REGS_R9]; 588 save->r10 = svm->vcpu.arch.regs[VCPU_REGS_R10]; 589 save->r11 = svm->vcpu.arch.regs[VCPU_REGS_R11]; 590 save->r12 = svm->vcpu.arch.regs[VCPU_REGS_R12]; 591 save->r13 = svm->vcpu.arch.regs[VCPU_REGS_R13]; 592 save->r14 = svm->vcpu.arch.regs[VCPU_REGS_R14]; 593 save->r15 = svm->vcpu.arch.regs[VCPU_REGS_R15]; 594 #endif 595 save->rip = svm->vcpu.arch.regs[VCPU_REGS_RIP]; 596 597 /* Sync some non-GPR registers before encrypting */ 598 save->xcr0 = svm->vcpu.arch.xcr0; 599 save->pkru = svm->vcpu.arch.pkru; 600 save->xss = svm->vcpu.arch.ia32_xss; 601 save->dr6 = svm->vcpu.arch.dr6; 602 603 return 0; 604 } 605 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org