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Peter Anvin" Cc: oe-kbuild-all@lists.linux.dev, linux-kernel , Eric Dumazet Subject: Re: [PATCH] x86/apic: Inline __x2apic_send_IPI_dest() Message-ID: <202512230547.YPNxhzQP-lkp@intel.com> References: <20251222092208.770136-1-edumazet@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251222092208.770136-1-edumazet@google.com> Hi Eric, kernel test robot noticed the following build errors: [auto build test ERROR on tip/master] [also build test ERROR on tip/x86/core linus/master v6.19-rc2 next-20251219] [cannot apply to tip/auto-latest] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Eric-Dumazet/x86-apic-Inline-__x2apic_send_IPI_dest/20251222-172515 base: tip/master patch link: https://lore.kernel.org/r/20251222092208.770136-1-edumazet%40google.com patch subject: [PATCH] x86/apic: Inline __x2apic_send_IPI_dest() config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20251223/202512230547.YPNxhzQP-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251223/202512230547.YPNxhzQP-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202512230547.YPNxhzQP-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/apic/hw_nmi.c:24: arch/x86/kernel/apic/local.h: In function '__x2apic_send_IPI_dest': >> arch/x86/kernel/apic/local.h:48:9: error: implicit declaration of function 'native_x2apic_icr_write'; did you mean 'native_apic_msr_read'? [-Wimplicit-function-declaration] 48 | native_x2apic_icr_write(cfg, apicid); | ^~~~~~~~~~~~~~~~~~~~~~~ | native_apic_msr_read vim +48 arch/x86/kernel/apic/local.h 43 44 static inline void __x2apic_send_IPI_dest(unsigned int apicid, int vector, 45 unsigned int dest) 46 { 47 unsigned long cfg = __prepare_ICR(0, vector, dest); > 48 native_x2apic_icr_write(cfg, apicid); 49 } 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki