Re: [PATCH v6] x86/hpet: Reduce HPET counter read contention

[kbuild test robot <lkp@intel.com>]

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Hi Waiman,

[auto build test ERROR on tip/auto-latest]
[also build test ERROR on v4.8-rc1 next-20160812]
[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/Waiman-Long/x86-hpet-Reduce-HPET-counter-read-contention/20160813-090247
config: x86_64-randconfig-s0-08131002 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

>> arch/x86/kernel/hpet.c:791: error: unknown field 'lock' specified in initializer
>> arch/x86/kernel/hpet.c:791: warning: missing braces around initializer
   arch/x86/kernel/hpet.c:791: warning: (near initialization for 'hpet.<anonymous>.lock.val')

vim +/lock +791 arch/x86/kernel/hpet.c

   785			u32 value;
   786		};
   787		u64 lockval;
   788	};
   789	
   790	static union hpet_lock hpet __cacheline_aligned = {
 > 791		.lock = __ARCH_SPIN_LOCK_UNLOCKED,
   792	};
   793	
   794	static cycle_t read_hpet(struct clocksource *cs)

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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