Hi Dongjiu, Thank you for the patch! Yet something to improve: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on v4.14-rc7 next-20171103] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dongjiu-Geng/arm64-add-a-macro-for-SError-synchronization/20171104-224216 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: arm64-allmodconfig (attached as .config) compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=arm64 All errors (new ones prefixed by >>): arch/arm64/kvm/hyp/entry.S: Assembler messages: >> arch/arm64/kvm/hyp/entry.S:88: Error: selected processor does not support `esb' -- arch/arm64/kvm/hyp/hyp-entry.S: Assembler messages: >> arch/arm64/kvm/hyp/hyp-entry.S:57: Error: selected processor does not support `esb' vim +88 arch/arm64/kvm/hyp/entry.S 51 52 /* 53 * u64 __guest_enter(struct kvm_vcpu *vcpu, 54 * struct kvm_cpu_context *host_ctxt); 55 */ 56 ENTRY(__guest_enter) 57 // x0: vcpu 58 // x1: host context 59 // x2-x17: clobbered by macros 60 // x18: guest context 61 62 // Store the host regs 63 save_callee_saved_regs x1 64 65 // Store the host_ctxt for use at exit time 66 str x1, [sp, #-16]! 67 68 add x18, x0, #VCPU_CONTEXT 69 70 // Restore guest regs x0-x17 71 ldp x0, x1, [x18, #CPU_XREG_OFFSET(0)] 72 ldp x2, x3, [x18, #CPU_XREG_OFFSET(2)] 73 ldp x4, x5, [x18, #CPU_XREG_OFFSET(4)] 74 ldp x6, x7, [x18, #CPU_XREG_OFFSET(6)] 75 ldp x8, x9, [x18, #CPU_XREG_OFFSET(8)] 76 ldp x10, x11, [x18, #CPU_XREG_OFFSET(10)] 77 ldp x12, x13, [x18, #CPU_XREG_OFFSET(12)] 78 ldp x14, x15, [x18, #CPU_XREG_OFFSET(14)] 79 ldp x16, x17, [x18, #CPU_XREG_OFFSET(16)] 80 81 // Restore guest regs x19-x29, lr 82 restore_callee_saved_regs x18 83 84 // Restore guest reg x18 85 ldr x18, [x18, #CPU_XREG_OFFSET(18)] 86 87 // synchronize host pending asynchronous error > 88 error_synchronize 89 // Do not touch any register after this! 90 eret 91 ENDPROC(__guest_enter) 92 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
_______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
