Hi Yi, Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/x86/core] [also build test ERROR on v4.19-rc4 next-20180921] [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/Yi-Sun/Enable-PV-qspinlock-for-Hyper-V/20180921-234519 config: x86_64-randconfig-s1-09212334 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): arch/x86/kernel/cpu/mshyperv.o: In function `hv_init_spinlocks': >> arch/x86/include/asm/mshyperv.h:373: multiple definition of >> `hv_init_spinlocks' arch/x86/entry/vdso/vma.o:arch/x86/include/asm/mshyperv.h:373: first defined here vim +373 arch/x86/include/asm/mshyperv.h 359 360 #else /* CONFIG_HYPERV */ 361 static inline void hyperv_init(void) {} 362 static inline bool hv_is_hyperv_initialized(void) { return false; } 363 static inline void hyperv_cleanup(void) {} 364 static inline void hyperv_setup_mmu_ops(void) {} 365 static inline void set_hv_tscchange_cb(void (*cb)(void)) {} 366 static inline void clear_hv_tscchange_cb(void) {} 367 static inline void hyperv_stop_tsc_emulation(void) {}; 368 static inline struct hv_vp_assist_page *hv_get_vp_assist_page(unsigned int cpu) 369 { 370 return NULL; 371 } 372 static inline int hyperv_flush_guest_mapping(u64 as) { return -1; } > 373 void __init hv_init_spinlocks(void) {} 374 #endif /* CONFIG_HYPERV */ 375 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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