Hi Dexuan, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/x86/core] [also build test ERROR on tip/master v5.10-rc2 next-20201102] [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/Dexuan-Cui/x86-hyperv-Enable-15-bit-APIC-ID-if-the-hypervisor-supports-it/20201103-091414 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 238c91115cd05c71447ea071624a4c9fe661f970 config: i386-randconfig-r012-20201103 (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/c4037b8c4cd61f970749c6685a3df5a1376193d2 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Dexuan-Cui/x86-hyperv-Enable-15-bit-APIC-ID-if-the-hypervisor-supports-it/20201103-091414 git checkout c4037b8c4cd61f970749c6685a3df5a1376193d2 # 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 error/warnings (new ones prefixed by >>): >> arch/x86/kernel/cpu/mshyperv.c:397:8: error: 'struct x86_hyper_init' has no member named 'msi_ext_dest_id' 397 | .init.msi_ext_dest_id = ms_hyperv_msi_ext_dest_id, | ^~~~~~~~~~~~~~~ >> arch/x86/kernel/cpu/mshyperv.c:397:26: error: initialization of 'void (*)(void)' from incompatible pointer type 'bool (*)(void)' {aka '_Bool (*)(void)'} [-Werror=incompatible-pointer-types] 397 | .init.msi_ext_dest_id = ms_hyperv_msi_ext_dest_id, | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/cpu/mshyperv.c:397:26: note: (near initialization for 'x86_hyper_ms_hyperv.init.init_platform') >> arch/x86/kernel/cpu/mshyperv.c:398:24: warning: initialized field overwritten [-Woverride-init] 398 | .init.init_platform = ms_hyperv_init_platform, | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/cpu/mshyperv.c:398:24: note: (near initialization for 'x86_hyper_ms_hyperv.init.init_platform') cc1: some warnings being treated as errors vim +397 arch/x86/kernel/cpu/mshyperv.c 391 392 const __initconst struct hypervisor_x86 x86_hyper_ms_hyperv = { 393 .name = "Microsoft Hyper-V", 394 .detect = ms_hyperv_platform, 395 .type = X86_HYPER_MS_HYPERV, 396 .init.x2apic_available = ms_hyperv_x2apic_available, > 397 .init.msi_ext_dest_id = ms_hyperv_msi_ext_dest_id, > 398 .init.init_platform = ms_hyperv_init_platform, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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