Hi Jiri, [auto build test ERROR on tip/auto-latest] [also build test ERROR on v4.8-rc1 next-20160808] [cannot apply to tip/x86/core] [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/Jiri-Kosina/x86-hweight-fix-open-coded-versions-of-32bit-and-64bit-hweight-calculations/20160809-001505 config: i386-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): >> arch/x86/lib/hweight.S:63:2: error: #else without #if #else /* CONFIG_X86_32 */ ^~~~ >> arch/x86/lib/hweight.S:75:2: error: #endif without #if #endif ^~~~~ vim +63 arch/x86/lib/hweight.S f5967101 Borislav Petkov 2016-05-30 57 movabsq $0x0101010101010101, %rdx 4792d6cc Jiri Kosina 2016-08-08 58 imulq %rdx, %rax 4792d6cc Jiri Kosina 2016-08-08 59 shrq $56, %rax f5967101 Borislav Petkov 2016-05-30 60 f5967101 Borislav Petkov 2016-05-30 61 popq %rdx f5967101 Borislav Petkov 2016-05-30 62 ret f5967101 Borislav Petkov 2016-05-30 @63 #else /* CONFIG_X86_32 */ f5967101 Borislav Petkov 2016-05-30 64 /* We're getting an u64 arg in (%eax,%edx): unsigned long hweight64(__u64 w) */ f5967101 Borislav Petkov 2016-05-30 65 pushl %ecx f5967101 Borislav Petkov 2016-05-30 66 f5967101 Borislav Petkov 2016-05-30 67 call __sw_hweight32 f5967101 Borislav Petkov 2016-05-30 68 movl %eax, %ecx # stash away result f5967101 Borislav Petkov 2016-05-30 69 movl %edx, %eax # second part of input f5967101 Borislav Petkov 2016-05-30 70 call __sw_hweight32 f5967101 Borislav Petkov 2016-05-30 71 addl %ecx, %eax # result f5967101 Borislav Petkov 2016-05-30 72 f5967101 Borislav Petkov 2016-05-30 73 popl %ecx f5967101 Borislav Petkov 2016-05-30 74 ret f5967101 Borislav Petkov 2016-05-30 @75 #endif f5967101 Borislav Petkov 2016-05-30 76 ENDPROC(__sw_hweight64) :::::: The code at line 63 was first introduced by commit :::::: f5967101e9de12addcda4510dfbac66d7c5779c3 x86/hweight: Get rid of the special calling convention :::::: TO: Borislav Petkov <[email protected]> :::::: CC: Ingo Molnar <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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