Hi Thomas, [auto build test ERROR on tip/auto-latest] [also build test ERROR on v4.12-rc6 next-20170623] [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/Thomas-Gleixner/x86-mshyperv-Remove-unneeded-includes-from-mshyperv-h/20170624-121055 config: i386-randconfig-b0-06241558 (attached as .config) compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): In file included from arch/x86/hyperv/hv_init.c:23:0: arch/x86/include/asm/mshyperv.h: In function 'vmbus_signal_eom': >> arch/x86/include/asm/mshyperv.h:115:6: error: implicit declaration of function 'cmpxchg' [-Werror=implicit-function-declaration] if (cmpxchg(&msg->header.message_type, old_msg_type, ^ Cyclomatic Complexity 1 arch/x86/include/asm/mshyperv.h:generate_guest_id Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_read_msr Cyclomatic Complexity 1 arch/x86/hyperv/hv_init.c:read_hv_clock_msr Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_write_msr Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:wrmsrl Cyclomatic Complexity 1 include/linux/clocksource.h:clocksource_register_hz Cyclomatic Complexity 1 arch/x86/include/asm/io.h:virt_to_phys Cyclomatic Complexity 4 arch/x86/hyperv/hv_init.c:hyperv_init Cyclomatic Complexity 1 arch/x86/hyperv/hv_init.c:hyperv_cleanup Cyclomatic Complexity 4 arch/x86/hyperv/hv_init.c:hv_do_hypercall Cyclomatic Complexity 2 arch/x86/hyperv/hv_init.c:hyperv_report_panic Cyclomatic Complexity 2 arch/x86/hyperv/hv_init.c:hv_is_hypercall_page_setup cc1: some warnings being treated as errors -- In file included from arch/x86//hyperv/hv_init.c:23:0: arch/x86/include/asm/mshyperv.h: In function 'vmbus_signal_eom': >> arch/x86/include/asm/mshyperv.h:115:6: error: implicit declaration of function 'cmpxchg' [-Werror=implicit-function-declaration] if (cmpxchg(&msg->header.message_type, old_msg_type, ^ Cyclomatic Complexity 1 arch/x86/include/asm/mshyperv.h:generate_guest_id Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_read_msr Cyclomatic Complexity 1 arch/x86//hyperv/hv_init.c:read_hv_clock_msr Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_write_msr Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:wrmsrl Cyclomatic Complexity 1 include/linux/clocksource.h:clocksource_register_hz Cyclomatic Complexity 1 arch/x86/include/asm/io.h:virt_to_phys Cyclomatic Complexity 4 arch/x86//hyperv/hv_init.c:hyperv_init Cyclomatic Complexity 1 arch/x86//hyperv/hv_init.c:hyperv_cleanup Cyclomatic Complexity 4 arch/x86//hyperv/hv_init.c:hv_do_hypercall Cyclomatic Complexity 2 arch/x86//hyperv/hv_init.c:hyperv_report_panic Cyclomatic Complexity 2 arch/x86//hyperv/hv_init.c:hv_is_hypercall_page_setup cc1: some warnings being treated as errors vim +/cmpxchg +115 arch/x86/include/asm/mshyperv.h e810e48c K. Y. Srinivasan 2017-01-19 109 * In case we blindly write msg->header.message_type we're going e810e48c K. Y. Srinivasan 2017-01-19 110 * to lose it. We can still lose a message of the same type but e810e48c K. Y. Srinivasan 2017-01-19 111 * we count on the fact that there can only be one e810e48c K. Y. Srinivasan 2017-01-19 112 * CHANNELMSG_UNLOAD_RESPONSE and we don't care about other messages e810e48c K. Y. Srinivasan 2017-01-19 113 * on crash. e810e48c K. Y. Srinivasan 2017-01-19 114 */ e810e48c K. Y. Srinivasan 2017-01-19 @115 if (cmpxchg(&msg->header.message_type, old_msg_type, e810e48c K. Y. Srinivasan 2017-01-19 116 HVMSG_NONE) != old_msg_type) e810e48c K. Y. Srinivasan 2017-01-19 117 return; e810e48c K. Y. Srinivasan 2017-01-19 118 :::::: The code at line 115 was first introduced by commit :::::: e810e48c0c9a1a1ebb90cfe966bce6dc80ce08e7 Drivers: hv: vmbus: Move the code to signal end of message :::::: TO: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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