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SubjectRe: [PATCH v4 01/19] x86/msr-index: Clean up bit defines for IA32_FEATURE_CONTROL MSR
On Sun, Dec 01, 2019 at 04:52:53AM +0800, kbuild test robot wrote:
> Hi Sean,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on tip/auto-latest]
> [also build test ERROR on next-20191129]
> [cannot apply to tip/x86/core kvm/linux-next v5.4]
> [if your patch is applied to the wrong git tree, please drop us a note to help
> improve the system. BTW, we also suggest to use '--base' option to specify the
> base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
>
> url: https://github.com/0day-ci/linux/commits/Sean-Christopherson/x86-cpu-Clean-up-handling-of-VMX-features/20191128-094556
> base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git e445033e58108a9891abfbc0dea90b066a75e4a9
> config: x86_64-randconfig-s0-20191128 (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> In file included from arch/x86/include/asm/processor.h:22:0,
> from arch/x86/include/asm/cpufeature.h:5,
> from arch/x86/include/asm/thread_info.h:53,
> from include/linux/thread_info.h:38,
> from arch/x86/include/asm/preempt.h:7,
> from include/linux/preempt.h:78,
> from include/linux/percpu.h:6,
> from include/linux/cpuidle.h:14,
> from drivers/idle/intel_idle.c:45:
> drivers/idle/intel_idle.c: In function 'sklh_idle_state_table_update':
> >> drivers/idle/intel_idle.c:1287:10: error: 'MSR_IA32_FEATURE_CONTROL' undeclared (first use in this function); did you mean 'MSR_MISC_FEATURE_CONTROL'?
> rdmsrl(MSR_IA32_FEATURE_CONTROL, msr);
> ^

Argh, flat out missed this when doing search and replace.

> arch/x86/include/asm/msr.h:279:28: note: in definition of macro 'rdmsrl'
> ((val) = native_read_msr((msr)))
> ^~~
> drivers/idle/intel_idle.c:1287:10: note: each undeclared identifier is reported only once for each function it appears in
> rdmsrl(MSR_IA32_FEATURE_CONTROL, msr);
> ^
> arch/x86/include/asm/msr.h:279:28: note: in definition of macro 'rdmsrl'
> ((val) = native_read_msr((msr)))
> ^~~
>
> vim +1287 drivers/idle/intel_idle.c

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