Hi Srinivas,

[auto build test ERROR on tip/sched/core]
[also build test ERROR on v4.8-rc4 next-20160825]
[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]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Srinivas-Pandruvada/Support-Intel-Turbo-Boost-Max-Technology-3-0/20160902-053224
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/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 >>):

   drivers/acpi/bus.c: In function 'acpi_bus_osc_support':

quoted

drivers/acpi/bus.c:333:32: error: implicit declaration of function 'boot_cpu_has' [-Werror=implicit-function-declaration]

     if (IS_ENABLED(CONFIG_X86) && boot_cpu_has(X86_FEATURE_HWP)) {
                                   ^

quoted

drivers/acpi/bus.c:333:45: error: 'X86_FEATURE_HWP' undeclared (first use in this function)

     if (IS_ENABLED(CONFIG_X86) && boot_cpu_has(X86_FEATURE_HWP)) {
                                                ^
   drivers/acpi/bus.c:333:45: note: each undeclared identifier is reported only once for each function it appears in
   cc1: some warnings being treated as errors

vim +/boot_cpu_has +333 drivers/acpi/bus.c

   327		if (IS_ENABLED(CONFIG_ACPI_PROCESSOR))
   328			capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PPC_OST_SUPPORT;
   329	
   330		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT;
   331		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT;
   332	
 > 333		if (IS_ENABLED(CONFIG_X86) && boot_cpu_has(X86_FEATURE_HWP)) {
   334			capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPC_SUPPORT;
   335			capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_CPCV2_SUPPORT;
   336		}

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