Hi Ard, I love your patch! Yet something to improve: [auto build test ERROR on cryptodev/master] [also build test ERROR on crypto/master linus/master v5.11-rc1 next-20201223] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Ard-Biesheuvel/crypto-x86-aes-ni-xts-recover-and-improve-performance/20210101-004902 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: i386-randconfig-c001-20201231 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/120e62f276c7436572e8a67ecfb9bbb1125bfd8d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ard-Biesheuvel/crypto-x86-aes-ni-xts-recover-and-improve-performance/20210101-004902 git checkout 120e62f276c7436572e8a67ecfb9bbb1125bfd8d # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: arch/x86/crypto/aesni-intel_asm.o: in function `aesni_xts_encrypt': >> arch/x86/crypto/aesni-intel_asm.S:2844: undefined reference to `.Lcts_permute_table' ld: arch/x86/crypto/aesni-intel_asm.o: in function `aesni_xts_decrypt': arch/x86/crypto/aesni-intel_asm.S:3006: undefined reference to `.Lcts_permute_table' vim +2844 arch/x86/crypto/aesni-intel_asm.S 2702 2703 /* 2704 * _aesni_gf128mul_x_ble: internal ABI 2705 * Multiply in GF(2^128) for XTS IVs 2706 * input: 2707 * IV: current IV 2708 * GF128MUL_MASK == mask with 0x87 and 0x01 2709 * output: 2710 * IV: next IV 2711 * changed: 2712 * CTR: == temporary value 2713 */ 2714 #define _aesni_gf128mul_x_ble() \ 2715 pshufd $0x13, IV, KEY; \ 2716 paddq IV, IV; \ 2717 psrad $31, KEY; \ 2718 pand GF128MUL_MASK, KEY; \ 2719 pxor KEY, IV; 2720 2721 /* 2722 * void aesni_xts_encrypt(const struct crypto_aes_ctx *ctx, u8 *dst, 2723 * const u8 *src, unsigned int len, le128 *iv) 2724 */ 2725 SYM_FUNC_START(aesni_xts_encrypt) 2726 FRAME_BEGIN 2727 #ifndef __x86_64__ 2728 pushl IVP 2729 pushl LEN 2730 pushl KEYP 2731 pushl KLEN 2732 movl (FRAME_OFFSET+20)(%esp), KEYP # ctx 2733 movl (FRAME_OFFSET+24)(%esp), OUTP # dst 2734 movl (FRAME_OFFSET+28)(%esp), INP # src 2735 movl (FRAME_OFFSET+32)(%esp), LEN # len 2736 movl (FRAME_OFFSET+36)(%esp), IVP # iv 2737 movdqa .Lgf128mul_x_ble_mask, GF128MUL_MASK 2738 #else 2739 movdqa .Lgf128mul_x_ble_mask(%rip), GF128MUL_MASK 2740 #endif 2741 movups (IVP), IV 2742 2743 mov 480(KEYP), KLEN 2744 2745 .Lxts_enc_loop4: 2746 sub $64, LEN 2747 jl .Lxts_enc_1x 2748 2749 movdqa IV, STATE1 2750 movdqu 0x00(INP), IN 2751 pxor IN, STATE1 2752 movdqu IV, 0x00(OUTP) 2753 2754 _aesni_gf128mul_x_ble() 2755 movdqa IV, STATE2 2756 movdqu 0x10(INP), IN 2757 pxor IN, STATE2 2758 movdqu IV, 0x10(OUTP) 2759 2760 _aesni_gf128mul_x_ble() 2761 movdqa IV, STATE3 2762 movdqu 0x20(INP), IN 2763 pxor IN, STATE3 2764 movdqu IV, 0x20(OUTP) 2765 2766 _aesni_gf128mul_x_ble() 2767 movdqa IV, STATE4 2768 movdqu 0x30(INP), IN 2769 pxor IN, STATE4 2770 movdqu IV, 0x30(OUTP) 2771 2772 call _aesni_enc4 2773 2774 movdqu 0x00(OUTP), IN 2775 pxor IN, STATE1 2776 movdqu STATE1, 0x00(OUTP) 2777 2778 movdqu 0x10(OUTP), IN 2779 pxor IN, STATE2 2780 movdqu STATE2, 0x10(OUTP) 2781 2782 movdqu 0x20(OUTP), IN 2783 pxor IN, STATE3 2784 movdqu STATE3, 0x20(OUTP) 2785 2786 movdqu 0x30(OUTP), IN 2787 pxor IN, STATE4 2788 movdqu STATE4, 0x30(OUTP) 2789 2790 _aesni_gf128mul_x_ble() 2791 2792 add $64, INP 2793 add $64, OUTP 2794 test LEN, LEN 2795 jnz .Lxts_enc_loop4 2796 2797 .Lxts_enc_ret_iv: 2798 movups IV, (IVP) 2799 2800 .Lxts_enc_ret: 2801 #ifndef __x86_64__ 2802 popl KLEN 2803 popl KEYP 2804 popl LEN 2805 popl IVP 2806 #endif 2807 FRAME_END 2808 ret 2809 2810 .Lxts_enc_1x: 2811 add $64, LEN 2812 jz .Lxts_enc_ret_iv 2813 sub $16, LEN 2814 jl .Lxts_enc_cts4 2815 2816 .Lxts_enc_loop1: 2817 movdqu (INP), STATE 2818 pxor IV, STATE 2819 call _aesni_enc1 2820 pxor IV, STATE 2821 _aesni_gf128mul_x_ble() 2822 2823 test LEN, LEN 2824 jz .Lxts_enc_out 2825 2826 add $16, INP 2827 sub $16, LEN 2828 jl .Lxts_enc_cts1 2829 2830 movdqu STATE, (OUTP) 2831 add $16, OUTP 2832 jmp .Lxts_enc_loop1 2833 2834 .Lxts_enc_out: 2835 movdqu STATE, (OUTP) 2836 jmp .Lxts_enc_ret_iv 2837 2838 .Lxts_enc_cts4: 2839 movdqa STATE4, STATE 2840 sub $16, OUTP 2841 2842 .Lxts_enc_cts1: 2843 #ifndef __x86_64__ > 2844 lea .Lcts_permute_table, T1 2845 #else 2846 lea .Lcts_permute_table(%rip), T1 2847 #endif 2848 add LEN, INP /* rewind input pointer */ 2849 add $16, LEN /* # bytes in final block */ 2850 movups (INP), IN1 2851 2852 mov T1, IVP 2853 add $32, IVP 2854 add LEN, T1 2855 sub LEN, IVP 2856 add OUTP, LEN 2857 2858 movups (T1), %xmm4 2859 movaps STATE, IN2 2860 pshufb %xmm4, STATE 2861 movups STATE, (LEN) 2862 2863 movups (IVP), %xmm0 2864 pshufb %xmm0, IN1 2865 pblendvb IN2, IN1 2866 movaps IN1, STATE 2867 2868 pxor IV, STATE 2869 call _aesni_enc1 2870 pxor IV, STATE 2871 2872 movups STATE, (OUTP) 2873 jmp .Lxts_enc_ret 2874 SYM_FUNC_END(aesni_xts_encrypt) 2875 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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